SEWERAGE REGULATIONS* · SEWERAGE REGULATIONS* 969 PART I.-PRELIMINARY. 1. These Regulations may be...

SEWERAGE REGULATIONS* 969

PART I.-PRELIMINARY.

1. These Regulations may be cited as the Sewerage Regulations. Citation.

2. These Regulations shall come into operation on a date to be fixed by Co~ the Administrator by notice in the Gazettetand shall apply only to and in mentJj an!1

I · S D" d S d A app catioa. re abon to ewerage Istncts an ewere reas.

3. These Regulations are divided into Parts, as follows:-Part I.-Preliminary (Regulations 1-4). Part n.-Administration (Regulations 5-8). Part Ill.-Permits and Authorities (Regulations 9-28). Part IlIA.-Financial Assistance to Connect to Sewers (Regula

tions 28A-28K). Part IV.-Licensing and Authorizing of Plumbers and Drainers

(Regulations 29-45). Part V.-Sewerage and Drainage (Regulations 46-230).

Division I.-Use of Drains (Regulations 46-48). Division 2.-Trade Wastes (Regulations 49-56). Division 3.-Testing and Inspection (Regulations 57-59). Division 4.-Materials and Workmanship (Regulations

60-66). Division 5.-Drainage, General (Regulations 67-73). Division 6.-Basement and Cellar Drainage (Regulations

74-76). Division 7.-Polluted Areas (Regulation 77). Division 8.-Drains (Regulations 78-85). Division 9.-Pipes under Buildings (Regulations 86-87). Division lO.-Joints in Drain Pipes (Regulations 88-90). Division 11.-Traps (Regulations 91-96). Division 12.-Ventilation (Regulations 97-117). Division 13.-Sizes of Pipes (Regulations 118-120). Division 14.-Soil and Waste Pipes (Regulations 121-145). Division 15.-Joints and Connexions (Regulations 146-161). Division 16.-Fixture Traps (Regulations 162-168). Division 17.-Gratings and Inspection Openings (Regulations

169-172). Division 18.-Grease Traps (Regulations 173-178).

The Sewerage Regulations, in force under the Supply of Services Ordinance 1952-1965, comprise the following Regulations:-

Year and Number Date on which made Date notified in! Date of

Northern Territory I Commencement _____________ I ________________ I ___ G_o_v_er_nm __ en_t_G_a_ze_tt_e __ I ______ ----

~~~g: ~~: 10 ~t~/~;.~~k liilo ig:~ !~~;].sI9~Ji8 :: } See reg. 2 above 1961, No. 20 6th November, 1961 . . 22nd November, 1961 .. 22nd November, 1961 1963, No. 7 10th May, 1963 22nd May, 1963 22nd May, 1963 1964, No. 16 9th December. 1964 23rd December, 1964 .. 23rd December, 1964 1965, No. 3 3rd March, 1965 17th March, 1965 17th March, 1965 1966, No. 1 17th January, 1966 19th January, 1966 19th January, 1966 1966, No, 8 10th March, 1966 16th March, 1966 16th March, 1966

t The date fixed was 18th May, 196O-see Northern Territory Government Gazette No. 21 of 18th May. 1960, p. 80.

Partl. Ameodedb'l. 1966, No ••

970

Interpretation. Sub-reg. (1.) lIIIlended..,. 1961. No. 20; ... d1965, No. 3.

Sewerage Regulations

Division 19.-Water Closets and Flushing Apparatus (Regulations 179-194).

Division 20.-Urinals and Flushing Apparatus (Regulations 195-206).

Division 21.-Wash Troughs (Regulations 207-208). Division 22.-8inks, Baths and Lavatory Basins (RegulatioDl

209-221). Division 23.-8afes and Overfiows (Regulations 222-226). Division 24.-Existing Fixtures, Fittings, etc. (Regulations

227-230). Part VI.-Miscellaneous (Regulations 231-237). Part VII.-Charges and Penalties (Regulations 238-256).

4.-(1.) In these Regulations, unless the contrary intention appeara.. anti-siphonage vent" means a vent pipe from a trap to--

(a) the open air; or (b) a main or branch vent pipe,

having for its purpose the prevention of the loss of water seal in the trap;

.. application plan" means a plan submitted by a connecting proprietor with an application for approval to connect to a sewerage system or to do lIanitary plumbing or drainage work or both relating to a connexion or proposed connexion to a sewerage system;

.. approved " means approved by the Administrator or the Engineer;

.. approved drainage plan" means a plan, approved in writing by the Engineer, of the drainage of a building connected to or to be connected to a sewerage system;

.. Australian Standard Specifications " means specifications published by the Standards Association of Australia;

.. authority" means an authority, issued and in force under these Regulations, permitting the person named in the authority to do sanitary plumbing or drainage work or both;

.. authorized " means-(a) in relation to fixtures, fittings and drainage apparatus

authorized by these Regulations or by the Engineer under a power conferred by these Regulations;

(b) in relation to an officer or employee of the Commonwealth-authorized in writing by the Administrator;

(c) in relation to an agent-authorized in writing by the proprietor;

(d) in relation to a sanitary plumber-authorized by the Board under these Regulations to do sanitary plumbing work; and

(e) in relation to a drainer-authorized by the Board under these Regulations to do drainage work;

.. branch vent" means a vent pipe which at its upper end connects to a main vent;

.. boundary trap" means a trap placed on a drain between a sewer and the lowest inlet to the drain to prevent the passage of gasea between the sewer and the drain;


.. building" includes a building-(a) used as a work place, residence, place of business or

amusement or place of human habitation; ( b ) used for the storage of food intended for human

consumption; ( c) to which a water supply is provided; or (d) which contains any fixture,

but does not otherwise include an outbuilding; .. cleaners sink" means a fixture-

(a) which is not a gully trap, floor waste basin or sink used for the discharge of waste waters; and

(b) over which a tap is provided; .. combined pipe system" means that type of plumbing installation

in which-(a) no disconnector trap is used; ( b) all soil pipes and waste pipes are connected directly

to a orain or a common pipe taking both soil and waste discharges; and

(c) a common system of venting is used for all pipes;

.. combined waste pipe" means a pipe which-(a) is connected directly to a drain; ( b) receives the discharges from both soil fixtures and

waste fixtures and conveys those discharges to the drain; and

(c) is used only as part of a combined pipe system; .. connecting proprietor" means a proprietor who has applied or

is applying under these Regulations for permission to connect with a sewerage system property of which he is the proprietor or to do sanitary plumbing or drainage work on that property. but does not include a proprietor who has so applied if the connexion or work in respect of which the application has been made is completed and approved by an inspector or if the application is rejected;

.. diameter to, in relation to a pipe, means the nominal internal diameter of the pipe;

.. disconnector trap" means a trap used for isolating a waste pipo from a drain and soil pipe and for providing inlet ventilation to a waste pipe discharging into it;

" drain" means every part of a conduit laid through, under or upon a street or way or land, whether public or private, for the carriage from any premises of sewage to a sewer;

.. drainage" means-(a) when used in relation to a particular drain-any work

of construction, alteration, extension, disconnexion, removal, maintenance, repair, renewal, ventilation, flushing or cleansing of that drain or a fitting of that drain; or

(b) when not so used-a system of drains; .. educt vent" means an opening or pipe constructed to promote the

exit of air from a soil or waste pipe or drain;

971

972 Sewerage Regulations

co external closet" means any closet other than an internal closet; .. fitting" means an apparatus, not being a fixture or a piece of

straight piping, constructed for use as part of a plumbing or drainage system and includes any appurtenance of the apparatus;

" fixture" means an apparatus which is constructed for attachment to a plumbing or drainage system in order to collect or retain waste or soil waters for ultimate discharge into a drainage system and includes a closet pan, sink, bath and basin and any appurtenance of the apparatus;

.. flat" means a suite of rooms used, intended or adapted for use as a separate habitation and comprised in a building containing at least one other suite of rooms so used, intended or adapted for use;

.. induct vent" means an opening or pipe for the admission of air to a soil pipe. waste pipe or drain;

" inspector" means(a) the Engineer; ( b) the Deputy En~ineer; or (c) a person authorized in writing by the Administrator to

inspect, pass or approve work to which these Regulations apply;

.. internal closet" means a closet which is entered from or has an opening into a building;

"licence" means-(a) a Sanitary Plumbers Licence; (b) a Drainers Licence; or ( c ) a Sanitary Plumbers and Drainers Licence,

issued and in force under these Regulations; .. main vent" means a vent pipe constructed to provide the most

direct circulation of air in a drain or in a soil or waste pipe;

" occupier" means a person having the charge, management or control of a house or premises and, in the case of a house which is let out in separate tenements or rooms, or in the case of a lodging house, a person receiving the rent payable by the tenants or lodgers, on his own account or as agent for another person, and also includes a person in occupation of any land of the Crown, notwithstanding any want or defect of title to occupy that land;

.. order" means order in writing; " property" includes land and premises and houses, buildings and

tenements; " proprietor" means-

(a) the tenant or life tenant of an estate in fee simple in land situated within a Sewerage District; or

(b) a lessee of land situated within a Sewerage District who is included in a class of lessees declared by the Administrator by notice in the Gazette to be deemed to be proprietors for the purposes of these Regulations;

, .


.. public building" means- " - .''''.'! i

(a) a church, chapel or meeting house; or (b) a theatre, a cinema, concert, music or assembly hall, or

an arena, amphitheatre, circus building, enclosure. gallery platform, tent or structure in, around or upon which numbers of people are usually or occasionally assembled;

II sanitary plumbing" means-(a) a system of pipes, fittings (other than drains) and fixtures

constructed to collect sewage and discharge it into a pipe, conduit, channel, drain or receptacle; or

(b) any work of construction, alteration, extension, disconnexion, removal, maintenance, repair, renewal, ventUation, flushing or cleansing of that system or part of it;

.. sewage" means house wastes delivered from a sanitary receptacle or water so soiled or polluted as to be unfit to run or flow into a stormwater channel, creek or river;

.. sewer" means a pipe, conduit or underground channel, not beinS a drain or a soil or waste pipe, which is intended to be used for the conveyance of sewage and is the property of the Commonwealth;

.. Sewerage District" means an area declared by the Administrator by notice in the Gazette to be a Sewerage District;

II sewerage system" includes-(a) sewers; and (b) fittings, fixtures, appliances, plant, machinery and other

sewerage works, constructed or maintained by or by the authority of the Commonwealth;

.. Sewered Area " means an area declared by notice in the Gazette to be a Sewered Area;

II slop sink" means a fixture, other than a water closet pan or urinal, provided with a fl.ushing apparatus and used for the discharge of soil or urine waters;

"soil pipe" means a pipe which conveys the discharge from a water closet, slop sink, urinal, mortuary or operating theatre to a drain;

I. soil vent pipe" means an upward extension or branch of a soil pipe designed to provide ventilation of the soil pipe and the drain into which the soil pipe discharges;

.. soil waters" means the discharge in a soil pipe;

.. stack" means a vertical line of soil, waste or vent piping with ita offsets, if any;

.. the Board" means the Plumbers and Drainers Licensing Board constituted by these Regulations;

.. the Engineer" means the person declared by the Administrator by notice in the Gazette to be the Engineer for Sewerage. Northern Territory;

974

Seweraae Districtl.

Authorization.

Sewerage Regulatiom

cc the Project Officer" means-(a) in the case of a work of sanillary plumbing or drainage

or connexJon with a sewerage system in Darwin, the person appointed under regulation SA of these Regulations to be the Project Officer, Darwin;

(b) in the case of a work of sanitary plumbing or drainage or connexion with a sewerage system in Alice Springs, the person appointed under regulation SA of these Regulations to be the Project Officer, Alice Springs;

! .;0< • (c) in the case of a work of sanitary plumbing or drainage or connexion with a sewerage system in Tennant Creek, the person appointed under regulation 8A of these Regulations to be the Project Officer, Tennant Creek; or

(d) in the case of a work of sanitary plumbing or drainage or connexion with a sewerage system in Katherine, the person appointed under regulation BA of .these Regulations to be the Project Officer, K:atherine;

Cl trade waste" means the liquid refuse, other than domestic sewage, stormwater or unpolluted water, from a business, trade or manufacturing property;

.. trap" means a fitting designed to retain a quantity of water for the purposes of preventing the passage of air or gases through the fitting;

Cl waste pipe" means a pipe which conveys the discharge from a fixture other than a water closet pan, slop sink, urinal, mortuary or operating theatre to a disconnector trap;

.. waste vent pipe" means an upward extension or branch of a waste pipe designed to provide ventilation of the waste pipe;

Cl water seal" means the height of a column of water between the dip and the crown weir of a trap;

Cl working day" means a day on which persons in the service of the Commonwealth are commonly on duty and does not include a Saturday, a Sunday or a holiday under the Public Service Act 1922-1958;

.. yard gully" means a drainage trap fitted with a dished top and grating and constructed for use outside a building.

(2.) In these Regulations, a reference to a form by number shall be read as a reference to the form so numbered in the Second Schedule to these Regulations.

(3.) Strict compliance with the forms in the Schedules to these Regulations is not necessary and substantial compliance is sufficient.

PART H.-ADMINISTRATION.

S. The Administrator may, by notice in the Gazette, declare an area to be a Sewerage District.

6. The Administrator may, by notice in the Gazette, declare an area to be a Sewered Area.

7.-(1.) The Administrator, by notice in the Gazette-(a) may declare a person to be the Engineer for Sewerage, Northern

Territory; and


(b) may declare a person to be the Deputy Engineer for Sewerage, Northern Territory.

(2.) The Administrator may, by instrument in writing under his hand, authorize an officer or employee of the Commonwealth to perform a function, exercise a power or discharge a duty which is specified in the instrument and may be performed exercised or discharged under these Regulations by an authorized officer or employee of the Commonwealth.

(3.) An authorization under the last preceding sub-regulation is revocable in writing at will.

975

7 A.-( 1.) The Engineer may, either generally or in relation to a Del~gatioD b, matter O'r class of matters and either in relation to' the whole O'f the Territory Engmeer.

or part of the Territory, by writing under his hand, delegate all or any O'f his ~ ~20. powers and functions under these Regulations (except this power O'f delegation) .

(2.) A power or function so delegated may be exercised or performed by the delegate in accordance with the instrument Qf delegation.

(3.) A delegation under this regulation is revocable at will and does not prevent the exen:ise of a power or the performance of a function by the Engineer.

8. In the case of the death, absence, resignation or temporary incapacity Deputy

O'f the Engineer, the Deputy Engineer for Sewerage, Northern TerritO'ry, Ensin_. shall act in his stead and shall have, while so acting, all the powers and duties and shall perform all the functions of the Engineer.

8A. The Administrator, by notice in the Gazette- Appointment of Project Officen.

(a) may appoint a .person to be the Project Officer, Darwin; Inserted by

(b) may appoint a person to' be the Project Officer, Alice Springs; 1961'd~j,1O; (c) may apPQint a .person to be the Project Officer, Tennant Creek: ~9;5. NoJ.

and (d) may appoint a person to be the Project Officer, Katherine.

PART I11.-PERMITS AND AUTHO'RITIES.

9.-(1.) The Administrator, or a person authorized in writing by the Notice to

Administrator to do so, may serve notice in writing on a proprietor of :=..~ t property situated within a Sewered Area requiring the proprietor to prQvide, Sub-reg. (1.)

.,1.. h· ·ft d· h . amended by WIL:u1O te t~me spe'cl e 10 t e nottce- 1966, No. 1.

(a) such water closets, drains, fixtures, fittings, appliances and apparatus; and

( b) such connexions to a sewerage system, as are specified in the notice.

(2.) If a proprietor served with a notice under the last preceding subregulation neglects or fails to comply with the requirements of the notice

(a) he is guilty of an offence; and (b) the Administrator may cause the water closets, drains, fixtures,

fittings, appliances, apparatus and connexions to a sewerage system specified in the notice to be provided and may reCQver from the proprietor the cost of providing them.

10. A person shall not do a work of sanitary plumbing or drainage or ConnexioDs to

make a connexion with a sewerage system except- ~~c:d':: wi&b

(a) in accordance with these Regulations; and ~uIatioDl, ( b ) after an approved plan relating to the work of sanitary plumbing

or drainage or to the cpnnexion has been issued by the Project Officer.

976

Application (or permit to connect to IeWef880 Iystem, &:c. Amended by "61.N .20; and 11165, N .3.

AppUcadoa plana.

A~YGC1 dramqe plans.


11.-(1.) A proprietor or his authorized agent may make application for a permit to connect his property to a sewerage system or to do sanitary plumbing or drainage work.

(2.) The application shall be(a) in writing; (b) addressed to the Project Officer, Northern Territory Adminis

tration, Darwin, to the Project Officer, Northern Territory Administration, Alice Springs, to the Project Officer, Northern Territory Administration, Tennant Creek, or to the Project Officer, Northern Territory Administration, Katherine, as the case requires; and

( c ) signed by the connecting proprietor or his authorized agent. (3.) The application shall contain or be attacherl to

(a) a description of the site of the property; (b) the name of the connecting proprietor; (c) an application plan; and (d) a statement of-

(i) the distance to; and (ii) the height of,

each adjacent building. (4.) The application shall contain, or be attached to or supplemented

by, such other information relating to the proposed connexion or sanitary plumbing or drainage work as the Engineer in writing requests to be provided.

(5.) The application shall be accompanied by the amount of the fee which would be payable if the application plan were the approved drainage plan.

12.-(1.) An application plan shall be neatly and accurately drawn to a scale of one-eighth of an inch to one foot, with details to a scale of onehalf of an inch to one foot.

(2.) An application plan shall set out clearly-(a) a plan of each floor or basement on or in which a fixture is, or

is proposed to be, installed; and (b) the intended use of each room in which a fixture is, or is

proposed to be, installed and of each room from which a closet or urinal is, or is proposed to 'be, entered directly.

(3.) The plan specified in paragraph (a) of the last preceding subregulation-

(a) shall show the nature and position of each fixture; (b) shall show the size and arrangement and, if the Engineer so

orders, the grade of each pipe; (c) shall indicate each fixture by an appropriate symbol from the

list of symbols in the First Schedule to these Regulations; and (d) shall indicate-

(i) each soil pipe and waste pipe by a line coloured blue; and

(ii) each vent pipe by a line coloured red.

13.-(1.) Where, in the opinion of the Engineer, it is practicable to connect an existing or proposed sanitary plumbing system and drainage system to a sewerage system, the Project Officer may issue an approved drainage plan relating to the connexion.


(2.) An approved drainage plan shall show what the Engineer approves to~

(a) the position of the connexion to the sewerage system; (b) the position and grade of the drains and their fittings; (c) the location of each soil pipe, waste pipe and vent pipe; and (d) the position and nature of each fixture.

(3.) In an approved drainage plan a fitting shall be indicated by the appropriate symbol from the list of symbols in the First Schedule to these Regulations.

14.-(1.) Subject to the next succeeding sub-regulation- P_ for approved

(a) the fee for an approved drainage plan where not more than drainap

one water closet is provided is Two pounds two shillings; and pIazm, ac. (b) the fee for an approved plan of an amendment of an approved

drainage plan is One pound.

(2.) Where an approved drainage plan provides for more than one water closet the fee for the approved drainage plan is Two pounds two shillings and, in addition, Ten shillings for each water closet other than the first.

(3.) Where an approved drainage plan is issued the connecting proprietor who has paid the fee for the approved drainage plan is entitled to receive from the Project Officer two copies of the drawing prepared for the issue of the approved drainage plan by the Engineer.

(4.) The drawing prepared for the issue of the approved drainage plan by the Engineer is and remains the property of the Commonwealth.

(5.) Where an approved drainage plan is not issued-(a) any fee lodged with the application shall be refunded if the

application is rejected; or (b) such portion of the fees lodged with the application as the

Project Officer thinks reasonable shall be refunded if the application is withdrawn.

( 6.) The Project Officer shall not issue an approved drainage plan or an approved plan of an amendment of an approved drainage plan until the fee for the plan has been paid.

977

15. An approved drainage plan shall be deemed to be issued when a Issue of

copy of the drawing prepared for the issue of the approved drainage plan is ~.%:';:t plaDt. made available to the applicant.

16. The issue of an approved drainage plan constitutes a permit to carry Issue.t

out the work shown on the approved drainage plan. ~~~~to

17. A person shall not make a connexion to a sewerage system or Work to be

carry out a work of drainage or sanitary plumbing except in accordance :~utto with- approved

drainaae (a) an approved drainage plan; or plan.

(b) a variation of an approved drainage plan-(i) submitted to the Project Officer in a written applica

tion by the connecting proprietor or his agent; and (H) approved in writing by the Engineer before the work

involved in the variation is commenced.

978

Copy of lite 4Jaaram.


18.-(1.) To facilitate the submission of application plans, the Engineer may supply to a proprietor or his agent a copy of a site diagram relating to an allotment which is the property of the proprietor and is situated in a Sewered Area.

(2.) The fee for a copy of a site diagram is Five shillings.

Coan~1 19.-(1.) A connecting proprietor who has obtained a permit in :f~::r~ &c. accordance with regulation 16 of these Regulations shall-

~~) 1961, No. 20.

UI'I IDt work.

CoanellioDl to be under direction f Inspector.

Inspection and testina.

Uae before approval prohibited.

(a) give notice in writing to the Engineer not less than three clear working days before-

(i) any work of connexion to a sewer is commenced; (ii) any work of drainage or sanitary plumbing is

commenced; or (ill) any work of drainage or sanitary plumbing is to be

inspected; and (b) ensure that all work to be inspected is left uncovered and con

venient for examination and test until the work is inspected and approved.

(2.) The Engineer shall arrange for inspection to be made within five clear days after the day on which he receives a notice in accordance with the last preceding sub-regulation that work is to be inspected.

20.-(1.) NotWithstanding anything contained in these Regulations, a sanitary plumber or drainer may, in urgent cases where pipes are choked or property is being damaged, commence or perform the appropriate remedial sanitary plumbing or drainage work without the prior approval of the Engineer.

(2.) Where sanitary plumbing or drainage work is commenced or done under the last preceding sub-regulation, the proprietor of the premises on which the work is commenced or done shall-

(a) make application for a permit for the work as soon as possible after it is commenced;

(b) cause to be done such further work as the Engineer orders to be done to ensure a satisfactory service; and

(c) if required by the Engineer, state in writing the grounds OD

which he claims that the case was urgent.

(3.) If the Administrator, after considering a statement made under paragraph (c) of the last preceding sub-regulation, is of the opinion that the case was not urgent, the proprietor is guilty of an offence.

21. A person shall not make a connexion with a sewerage system except under the direction of an inspector.

22. The Engineer shall ensure that each work of sanitary plumbing or drainage is inspected and tested after it has been completed.

23. A person shall not use a pipe, drain, fitting, fixture or apparatus until it has been inspected, tested and approved by an inspector, and the inspector has certified his approval in writing.


24.-(1.) The Engineer may serve notice in writing on a connecting Defective proprietor directing him to- work.

(a) make good, in the manner and within the period specified in the notice, a defect found on inspection by an inspector;

(b) remove a pipe, fitting or fixture or any material found on inspection by an inspector to be defective and replace it by a pipe, fitting or fixture or material, as the case may require, which is sound to the satisfaction of an inspector; or

(c) do a thing specified in the notice, the doing of which is, in the opinion of the Engineer, necessary to ensure that a part of the work of connexion to a sewerage system or sanitary plumbing or drainage conforms to these Regulations.

(2.) A person on whom notice has been served under the last preceding sub-regulation shall comply with a direction in that notice.

(3.) A sanitary plumber or drainer shall, when ordered by the Engineer, make good at his own expense a specified defect found in a work of connexion to a sewerage system, or of sanitary plumbing or drainage, if that defect-

(a) is found, not more than one year after the date on which the work was completed, in a work by the sanitary plumber or drainer; and

(b) is due, in the opinion of the Engineer, to faulty workmanship or defective material.

979

25. Before an alteration or addition is made to a building, the proprietor AlteratiOJll a. of the building or his authorized agent shall give notice in writing to the ~JM~: to

Project Officer of his intention to make the alteration or addition and shall provide such information concerning the building and the proposed altera-tion or addition as the Proj~ct Officer requires.

26. The Engineer shall prepare and maintain plans showing the position Plans or of sewers in relation to allotments and these plans shall be available for sewcn. public inspection.

27.-(1.) The Project Officer may issue an approved drainage plan for Inspection la sanitary plumbing or drainage work to be carried out on a property before a =.wcred sewer is constructed to receive the discharge of sewage from that property.

(2.) Where a work specified in the last preceding sub-regulation is completed in accordance with the approved plan and approved by an inspector, the Engineer shall issue a Certificate of Approval, in accordance with Form 1.

28. The proprietor of property on which any work is done which pertains W~rk for

to the provision or maintenance of sanitary plumbing or drainage and for ;:::~i~ which specific provision is not made elsewhere in these Regulations shall =w~ ensure that the work is done according to the reasonable directions of the Engineer.

PART IIIA.-FINANCIAL ASSISTANCE TO CONNECT TO SEWERS. PartlDA. inserted ." 1966, No. 8.

28A. In this Part, unless the contrary intention appears- DefiDitiollS.

"au~horized persons" means a person authorized under regulation ~~ ") 28B of these Regula'tions to exercise ,the powers, perform the 0. •

functions and carry out the duties of the Administrator under this Part;

980

Administrator may authorizo a person to exercise bis powers, etc. laserted by 1966, N .8.

Application for loan. Inserted by 1966. No. 8.

Documenta to accompany application. 1D.necI by 1966. N .8.

Powers of Administrator in relation to application. InsertecJ by 1966,No ...


"loan" means a loan under this Part; "plumber" means a person who is the holder of-

(a) a current Sanitary Plumbers Licence or Sanitary Plumbers and Drainers Licence; or

(b) a current authority, issued under regulation 36 of these Regulations, to do sanitary plumbing work in an area that includes the land in respect of which an application is made for a loan; and

"the proposed work" means the work, of providing the connexions to a sewerage system, in respect of which an application for a loan is made under this Part.

28B.-(1.) The Administrator may, by writing under his hand, authorize a person to exercise the powers, perform the functions and carry out the duties of the Administrator under this Part.

(2.) A person authorized under the last preceding sub-regulation ·to carry out the duties of the Administrator is under the same obLigations as the Administrator to carry out those duties.

(3.) When the exercise of a power or function under this Part is dependent upon the opinion, belief or state of mind of the Administrator in relation to a matter and the Administrator has authorized a person to exercise that power or perform that function, that power may be exercised or that function may be performed by the authorized person upon the opinion, belief or state of mind of the authorized person in relation to that matter.

28c.-(1,) A proprietor of land within a sewered area may, if he is eligible to do so under the next succeeding sub-regulation, make an application. in accordance with Form 7, to the Administrator for a loan to assist him to pay for the work of providing a connexion to a sewerage system.

(2.) A proprietor is eligible to make an application under the last preceding sub-regulation if-

(a) the property in respect of which the application is made is land upon which there is an existing private residence not COD

nected to a sewer: (b) the interest of the proprietor in that land is registered under the

Real Property Act and Ordinance 1886 to 1965; and (c) the proprietor-

(i) is unable to pay for the proposed work without financial assistance; and

(ii) is unable to obtain financial assistance to pay for the proposed work otherwise than under this Part.

280.-(1.) The applicat~on shall be accompanied by a quotation for the proposed work from each of three or more plumbers.

(2.) The Administrator may require an applicant to furnish such further quotations, information and documents relating to the application as he thinks fit.

28E.-(1.) The Administrator may, by writing addressed to the applicant-

(a) reject the application; or (b) offer to make to the applicant a loan of such amount as is

specified in the offer.


(2.) An offer under the last preceding sub-regulation is subject to--(a) the condition that if the amount charged by the plumber who

does the proposed work is less than the amount specified in the offer, the amount of the loan shall be decreased by the difference between the first and second mentioned amounts; and

(b) such other conditions, if any, as are specified in the offer.

981

28p. In determining the amount to be offered as a loan to an applicant, Amount to be

the Administrator- ~~~~':,~ as

(a) shall take into account the amount by which, in his opiniOl11. Inserted by the value of the property in respect of which the application 1966. No. 8.

is made will be increased if the proposed work is done; (b) shaH not take into account any amount charged or quoted for

or attributable to--(i) the supplying or installing of any bath, hand basm.

kitchen sink or wash trough; (ii) the making of any structural alterations; or

(iii) a fee for. or a charge for obtaining, an approved drainage plan, an appl10ved plan of an amendment of an approved drainage plan or a copy of a site diagram; and

(c) may take into account any amount charged or quoted for or attributable to the supplying or installmg of-

(i) any trap, fitting, drain, gully, sink, vent, water piping or tap necessary to drain effectively the property in respect of which the application is made; or

(ii) either a cast iron cistern and pedestal pan or a low level flushing suite.

for the purposes of the proposed work. 280. The Administrator shaH not make a Ioan unless ,the repayment Repayment

I d to be secured of the loan together with interest is secured by a mortgage of the an by mortgage.

in respect of which the loan is made. Inserted by 1966. No. 8.

28H. The borrower shaH pay aH stamp duties and registration fees Borrower to

incurred in or in connexion with the making or discharge of a loan. S~ii:!~~~. Inserted by 1966. No. 8.

28J .-(1.) Subject to the nex:t succeeding sub-regulation, the term of Term ofloan.

a loan shaH not exceed five years. Inserted by

(2.) The Administrator may from time to time extend the term of a 1966. No. B.

loan for periods not exceeding two years. 28K.-(1.) The borrower shaH pay interest on so much of his loan as Interest.

from time to time remains outstanding. Inserted by

(2.) The interest shall be calculated with monthly rests from the date 1966. No. B.

on which the loan is made at the rate of Seven and one quarter per centum. 28L. A person who makes an application for a loan under this Part Offences.

shall not make a false statement in the application or in informaticm Inserted by furnished to supplement the application. 1966. No. S.

Penahy: Twenty dollars.

PART IV.-UCENSINO AND AUmORIZING OF PLUMBERS AND DRAINERS.

29.-(1.) For the purposes of these Regulations there shall be a Board, Lic:ensina to be known as the Plumbers and Drainers Licensing Board. Board.


(2.) The Board shall consist of three members, one of whom shall be the Engineer.

(3.) The Administrator shall, by notice in the Gazette, appoint-

(a) the Engineer and two other persons to be members of the Board; and

(b) one of the three persons so appointed to be the Chairman of the Board.

(4.) The Administrator may, at any time-(a) terminate the appointment of a member other than a member

who is the Engineer; (b) appoint a person to fill a vacant position on the Board; or (c) appoint a person to act during the absence of a member.

(5.) A person appointed under paragraph (c) of the last preceding sub-regulation has, while the appointment subsists, all the duties, powers and functions of a member of the Board.

Meetings of 30.-(1.) The Board shall hold meetings at such times and places as tho Board. are determined by the Chairman or, in his absence, a member of the

Board authorized to do so bv the Chairman.

Keeping of records.

Appeal from decision of Board.

Application for licenco.

Application for authority.

(2.) The Chairman shall preside at all meetings of the Board at which he is present.

(3.) If the Chairman is absent from a meeting of the Board, the members of the Board present shall elect one of their number to preside at that meeting.

(4.) At a meeting of the Board, two members of the Board constitute a quorum.

(5.) The member of the Board presiding at a meeting of the Board has a deliberative vote but not a casting vote.

(6.) Where, at a meeting of the Board from which one member is absent, there is an equality of votes on any question, the determination of that question shall be postponed to the next meeting.

31. The Chairman of the Board is responsible for the keeping of minutes, registers and other records of the business of the Board.

32.-(1.) Where an applicant for a licence, authority or renewal of a licence or authority under this Part is dissatisfied with a decision of the Board he may, within fourteen days, appeal against that decision to the Administrator.

(2.) The Administrator may allow or dismiss the appeal.

33. An application for a Sanitary Plumbers Licence, a Drainers Licence, or a Sanitary Plumbers and Drainers Licence shall be in accordance with Form 2.

34. An application for an authority to do sanitary plumbing work, drainage work, or sanitary plumbing and drainage work shall be in accordance with Form 3.

Sewerage Regulations 983

35. An application for a licence or authority under regulation 33 of Certificate and

these Regulations or the last preceding regulation shall be accompanied by- ~~pany (a) a statement in accordance with Form 4, signed by three persons application.

whose names are, in pursuance of the provisions of the Northern Territory Electoral Regulations, on the roll of electors for the Northern Territory, unless the Board, in its discretion, dispenses with the production of the statement; and

(b) the prescribed fee for the issue of the licence or authority, as the case may be.

36.-(1.) Subject to these Regulations, the Board may, in its discretion, Issue of • licence or ISSUe- authority.

(a) to a person applying in accordance with regulations 33 and 35 of these Regulations-a Sanitary Plumbers Licence, a Drainers Licence, or a Sanitary Plumbers and Drainers Licence, as the case may require, in accordance with Form

(b) 5; or

to a person applying in accordance with regulations 34 and 35 of these Regulations-an authority to do sanitary plumbing work, drainage work or sanitary plumbing and drainage work, as the case may require, in accordance with Form 6.

(2.) A licence or authority issued or renewed under this regulation expires on the thirtieth day of September next succeeding the date of its issue or renewal but may be renewed by application in writing before expiry, accompanied by the prescribed fee for renewal and the current licence or authority.

(3.) The Board may, in its discretion, cancd or suspend a Sanitary Plumbers Licence, Drainers Licence or Sanitary Plumbers and Drainers Licence or an authority to do sanitary plumbing work, drainage work or sanitary plumbing and drainage work.

37.-(1.) The Board shall not issue a Sanitary Plumbers Licence, ConditlODl of

Drainers Licence, or Sanitary Plumbers and Drainers Licence unless the ~~:~for applicant satisfies the Board that- authority.

(a) he holds or has recently held from an issuing authority speci-fied in the Third Schedule-

(i) in the case of an applicant for a Sanitary Plumbing Licence-a current licence as a sanitary plumber or a certificate specified in the Third Schedule;

(ii) in the case of an applicant for a Drainers Licencea current licence as a drainer or a certificate specified in the Fourth Schedule; or

(Hi) in the case of an applicant for a Sanitary Plumbing and Drainage Licence-a current licence or certificate specified in sub-paragraph (i) of this paragraph, and a current licence or certificate specified in sub-paragraph (ii) of this paragraph;

(b) he is not under the age of twenty-one years; and

(c) he has a sufficient knowledge of these Regulations.

984

UceDSlnll of applicants not holding .pecificd certificates.

Evidence of ~ficationa.

Evidence of ability.


(2.) The Board shall not issue an authority to do sanitary plumbing or drainage work unless the applicant satisfies the Board-

(a) that-(i) he has passed, at a Technical College or School

approved by the Board, a course, considered by the Board to be satisfactory, in sanitary plumbing. or drainage, as the case may require; or

(H) he has had experience, considered by the Board to be sufficient, in sanitary plumbing or drainage work. as the case may require;

(b) that he is not under the age of twenty-one years; and (c) that he has a sufficient knowledge of these Regulations.

(3.) The Board may, in its discretion, limit an authority to do sanitary plumbing or drainage work to a specified area or to a specified period of time.

38. Notwithstanding the last preceding regulation, the Board may, in, its discretion, issue a Sanitary Plumbers Licence, Drainers Licence or Sanitary Plumbers and Drainers Licence to a person who---

(a) satisfies the Board-(i) that he is a competent sanitary plumber or drainer or

both, as the case may require; (ii) that he has had, within the two years last preceding the

date on which he applies for a licence, experience satisfactory to the Board in sanitary plumbing or drainage work or both, as the case may require, for a total period of not less than one year, under the direction and control of a person licensed under these Regulations as a sanitary plumber or drainer or sanitary plumber and drainer. as the case may require;

(Hi) that he is not under the age of twenty-one years; and (iv) that he has a sufficient knowledge of these Regulations;

and (b) passes an examination, set or approved by the Board, in sanitary

plumbing or drainage or both, as the case may require.

39. Before issuing a licence or authority the Board may require an applicant to produce such evidence of his qualifications and character as the Board considers necessary in order to determine whether or not to issue a licence or authority to the applicant.

40. Before issuing a licence or authority the Board may require BD

applicant-(a) to submit samples of his work for inspection by the Board; (b) to do sanitary plumbing or drainage work to the satisfaction

of the Board; or (c) to satisfy the Board of his practical ability by undergoing any

other reasonable practical test required by the Board.


41.-(1.) The fee for the issue or renewal of a licence or authority is Feea.

One pound. (2.) Where an application for the issue or renewal of a licence or

authority is refused, a fee paid for the issue or renewal shall be repaid to the applicant.

985

42. A person shall not do any work of sanitary plumbing or drainage- Work of samtary

(a) intended to be connected to a sewer; or plu!"bing or dratnage

(b) in any Sewerage District prohibited , except under

unless he is licensed or authorized under these Regulations to do works of ~~~h~f:' sanitary plumbing or drainage, as the case may require, or is employed under the direct supervision of a person so licensed or authorized.

43.-(1.) A person shall not knowingly engage or employ to do a work Employment of

of sanitary plumbing or drainage a person who is not- ~'::":~~~Fn

(a) licensed or authorized under these Regulations to do work of ~ru:n~g or

sanitary plumbing or drainage, as the case may require; or drainage.

(b) employed under the direct supervision of a person who is so licensed or authorized.

(2.) Where the licence or authority of a person to do sanitary plumbing or drainage work is cancelled or suspended and the person is employed or engaged to do sanitary plumbing or drainage work, it shall be a good defence to a prosecution for an offence under this regulation if the defendant proves that at the time of the alleged offence he was not aware that the person was not licensed or authorized under these Regulations.

44. A sanitary plumber or drainer shall ensure that all work of sanitary Responsibility

p!um?ing or drai.n~ng, as the case may be, which .is .done ~y him or under ~f::'~~~r his direct superVIsIon under an approval or permit Issued ID pursuance of drainer.

these Regulations, is done in accordance with these Regulations.

45.-(1.) Where sanitary plumbing or drainage work done by a sanitary Inspection f_.

plumber or drainer is, in the opinion of the Engineer, unsatisfactory, the Engineer may order the sanitary plumber or drainer to pay a fee not exceeding the cost of any additional inspections resulting from the unsatis-factory work.

(2.) A sanitary plumber or drainer shall pay a fee ordered to be paid under the last preceding sub-regulation.

PART V.-SEWERAGE AND DRAINAGE.

Division I.-Use of Drains.

46. The occupier of a sewered property shall ensure that- Matter

(a) all faecal matter, urine, household slops and liquid refuse from ~'%~~~to the property; and :;~::~e

(b) such other polluted water and trade wastes as the Administrator specifies by notice in the Gazette,

are discharged into the sewerage system.

986

Pr blbtted dIIcbarI&


47.-(1.) The drainage of each house and building shall be separate from that of any other house or building not on the same allotment except where, in the opinion of the Engineer, special reasons justify draining by a combined drain.

(2.) For the purposes of this regulation a block of flats in one building shall be deemed to be one house.

48. Except with the written permission of the Administrator, a person shall not throw, deposit or discharge, or cause or permit to flow or be thrown, deposited or discharged into a drain or sewer or in an opening, pipe or receptacle connected with a drain or sewer-

(a) Any garbage, offal, dead animal, vegetable, fruit, vegetable or fruit paring, ashes, cinders, rag, hair, wool, silt, sand, gravel, refuse from a factory, oil, explosive or inflammable substance or liquid which contains such proportions of a mineral, salt, acid or gas that the liquid is, in the opinion of the Engineer, liable to be injurious to a part of the sewerage system or to an employee engaged in the operation or maintenance of the sewerage system or liable to impair the efficient operation of any apparatus or works for the treatment, purification or disposal of sewage;

(b) roof, rain, surface or flood waters; (c) the contents of any nightsoil cart, cesspool or privy; (d) any fluid the temperature of which exceeds one hundred and

five degrees Fahrenheit or such lower temperature as the Engineer, having regard to the special circumstances of the discharge, specifies in writing to the person; or

(e) waste water, liquid, trade wastes or any other substance which has not been treated as ordered by the Engineer and to the satisfaction of the Engineer.

Division 2.-Trade Wastes.

49.-(1.) The proprietor or occupier of a sewered property may make application to the Administrator for a permit for trade wastes from the property to be discharged into a sewer.

(2.) An application under the last preceding sub-regulation shall be in writing and shall set out information as to-

(a) the sewered property in respect of which the permit is applied for;

(b) the processes of manufacture from which trade wastes are to be discharged;

(c) the nature of the trade wastes from each process of manufacture;

(d) the estimated maximum rate of discharge of trade wastes from each process of manufacture;

(e) the hours of the day during which discharge of trade wastes from each process of manufacture will normally take place; and

<I) the estimated maximum daily discharge of trade wastes from the property.


(3.) The Administrator may require an-applicant for a permit under thisl'egul~ to pxovi~e information in writing on any other matter which ii:J. the Administriator's opinion is relevant for considering whether or not the application should be granted.

(4.) The Administrator may, in his discretion, grant or refuse an application under this regulation.

987

50. A permit for trade wastes trom a sewered property to be discharged ~its Cor into a sewer shall be in writing and shall contain such conditions as to-- tra 0 wastes.

(a) the origin, nature, quantity, rate of discharge and time of discharge of trade wastes from the property; and

(b) any other matter relating to the discharge, as the Administrator, on the recommendation of the Engineer, thinks fit.

51. A person to whom a permit has been issued under this Division Asroomont t shall execute an agreement containing a covenant to oomply with the be executed. conditions of the permit.

52. Where the Engineer advises the Administrator that in his opinion a RovocatiOD of condition of a permit issued under this Division has not been observed, the permit.

Administrator may at any time, by notice in writing to the holder of the permit, revoke the permit.

53. The holder of a permit under this Division is liable for any damage Holder or arising from the discharge of trade wastes in respect of which the permit is ~~ held. ~~

trade wastes.

54.-(1.) Where- Discharge of trade wastel

(a) work of repair, examination or maintenance is being done to a may be •

sewer; and }:,1fi~d~ (b) the Administrator is satisfied that it is necessary to exclude

trade wastes from the sewerage system, the Administrator may by notice in writing require the holder of a permit under this Division to ensure that, tor a period specified in the notice, trade wastes from the sewered property in respect of which the permit is held are not discharged into the sewerage system; and the holder shall comply with the requirement.

(2.) No compensation is payable by reason of any loss or damage suffered by the holder of a permit under this Division in consequence of a requirement under this regulation.

55. A permit under this Division is not transferable. Permit Dot transferable.

56.-(1.) A person shall not discharge trade wastes into a sewer unless Discharge of 't d th' D· .. h b . d d'· f' t f trade was .. a perml un er IS Ivlslon as een Issue an IS ID orce ID respec 0 prohibited

the discharge of those trade wastes and the discharge is in accordance with = UDder thep~~ .

(2.) The occupier of a property shall ensure that trade wastes from the property are not discharged into a sewer unless a permit under this Division has been issued and is in force in respect of the discharge of those trade wastes and the discharge is in accordance with the permit.

988

Power to test work.

TOIling.

Proprietor to furnish tools. &e., for test,


Division 3.-Testing and Inspection.

57.-(1.) An inspector may test a work of drainage or sanitary plumbing when the Engineer directs him to inspect the work.

(2.) An inspector directed by the Engineer to inspect a work of drainage or sanitary plumbing, not being new work or a work of addition, alteration or repair, shall, if he proposes to test the work, give to the proprietor five days' notice of his intention to inspect and test the work.

58.-(1.) An inspector may, as he thinks fit, apply a water, smoke, air pressure or other test to the whole or any part of a work of drainage or sanitary plumbing.

(2.) Where an inspector applies a water test to a drain he shall-(a) suhject the drain to a head of water not higher than 10 feet and

not lower than 2 feet at the lowest section; and (b) continue the test for not less than 15 minutes.

(3.) If, on the application of a water test to a drain, the leakage from the drain is at a rate greater than 0.10 gallons per joint per hour, the inspector applying the test shall reject the drain.

(4.) An inspector may reject a drain for excessive leakage from any section of the drain.

(5.) A person shall not discharge a substance into a drain which has not been passed after testing by an inspector.

59. The proprietor of a property on which is situated a work of drainage or sanitary plumbing which an inspector is testing or proposes to test or which, being a new work or a work of addition, alteration or repair. has not been tested and approved, shall-

(a) at the time of the test furnish to the inspector such tools, labour and assistance as are necessary to test the work; and

(b) ensure that the work to be tested is left uncovered and accessible for examination until the inspector has tested and approved the work.

Division 4.-Materials and Workmanship.

Quality, &c., of 60. Materials, pipes, fittings, fixtures and apparatus used in works of materials, &c. d . Substituted by ramage or sanitary plumbing shall-1961, No. 20. (a) have been stamped as approved by an authority specified in the

Testing of materials.

Workmanship.

Fifth Schedule; (b) have been submitted to the Engineer for inspection and have

been stamped as approved by the Engineer; (c) comply with such Australian Standard Specifications as are

accepted by the Engineer; or (d) comply with such specifications as are approved in writing by

the Engineer.

61. Materials, pipes, fittings, fixtures and apparatus shall, if ordered by the Engineer, be submitted for examination or testing or both and if ordered to be so submitted shall not be placed in position until passed or stamped by the Engineer.

62. All work shall be executed in a thorough and workmanlike manner and to the satisfaction of the Engineer.


63.-(1.) A person who carries out a work of sanitary plumbing or PrecaUtiODll.

<lrainage shall adopt adequate precautions to prevent injury to workmen or other persons and damage to any property.

(2.) Neither the Commonwealth nor an officer or servant of the Commonwealth shall be liable for-

(a) any injury suffered by a workman or other person; or (b) any damage to property,

arising out of the failure of a person, not being the Commonwealth or an officer or servant of the Commonwealth, to adopt adequate precautions to prevent the injury or damage.

64. Concrete shall consist of- Concreto.

(a) one part Portland cement, two parts clean sharp sand and four parts hard stone, shingle or gravel not exceeding It inch gauge thoroughly mixed with just sufficient clean potable water to form a workable paste; or

(b) such substances in such proportions as the Engineer orders.

65. Cement mortar shall consist of- Cement mortar.

(a) one part Portland cement and two parts clean sharp sand, thoroughly mixed with just sufficient potable water to form a workable paste; or

(b) such substances in such proportions as the Engineer orders.

66. Drain pipes and fittings shall be of glazed earthenware, concrete, Drain~ cast iron or other material approved by the Engineer, but the Engineer may mater

prohibit the use of any material where he considers the conditions to be unfavourable for the use of that material.

Division 5.-Drainage, General. 67.-(1.) A boundary trap shall be fixed if ordered by the Engineer in Boundar7

the drain laid from any property to a sewer and shall be as near as practicable trap ••

to and, where possible, within the boundary of the property. (2.) A boundary trap shall be provided with an approved inspection cap

on the sewer side of the trap and if ordered by the Engineer an approved inspection chamber shall be provided for the trap.

(3.) An induct vent shall be provided connecting to the upstream side of the trap.

68.-(1.) When the Engineer so orders, drains shall be joined in an Inspection inspection chamber fitted with a closed cover and the portions of the drains chambers.

crossing the floor of the inspection chamber shall be connected by channels on the same lines as the pipes, with easy changes of direction.

(2.) The size of the inspection chamber shall be as ordered by the Engineer.

69.-(1.) Lines of drain shall be provided with inspection openings at Inspection each junction other than at an inspection chamber, at each change of openings.

direction, at each fitting and at intervals of not more than thirty feet; and in paved areas the inspection openings shall be built up to the surface and furnished with approved airtight covers, if the Engineer, being satisfied of the necessity, orders that they be so built up and furnished.

(2.) The area of an inspection opening shall be not less than the cross sectional area of the drain.

990

GratiJlas.

Closure of openings.

Replaclna or inaertina pipa.

Uleof concrete.


70. An inlet to a drain other than from a soil pipe shall be effectively protected by an approved grating of ample area.

71.-(1.) The ends of all drains, pipes and fittings not immediately connected with the plumbing fixtures and all inspection openings shall be securely closed with imperishable watertight materials.

(2.) The end shall be closed-(a) in the case of an earthenware drain-with an earthenware or

cast iron disc cemented into the drain; (b) in the case of a wrought iron drain-with a plug screwed into

the drain; or (c) in the case of a cast iron drain-with a cast iron plug lead

caulked into the drain.

72.-(1.) Where it is necessary to remove a pipe to clear a stoppage or to insert a pipe or branch in an existing earthenware or concrete drain, the pipe so removed shall be replaced by an inspection pipe or inspection junction of the same length by one of the following methods:-

(a) the top half of the socket of the new pipe and of the existing downstream pipe may be removed but if this is done the bottom half shall, in each case, be left intact and the joints shall be surrounded with concrete;

(b) an approved split pipe with double collar surrounded with concrete may be used; or

(c) a length of not less than three pipes may be removed, the centre part replaced by an inspection pipe and the pipes dropped back into place without springing or cutting.

(2.) Junctions in existing metal pipes shall not be made unless an approved closure pipe is used in each case.

(3.) Pipes shall not be sprung into position.

73. Concrete shall be used in each of the following cases:-(a) around and under yard gully basins, the exposed surfaces to

be rendered in cement mortar; (b) around the top of vent pipe sockets where exposed; (c) around boundary trap covers and the tops of disconnector

traps where the surface is not paved; (d) around and under bends rising vertically from oblique

branches and under bases of all traps; and (e) around drains, under roads or driveways or near trees, as the

Engineer orders.

Division 6.-Basement and Cellar Drainage. 74.-(1.) A fixture or apparatus shall not be laid or fitted in a cellar

or basement or on a floor below ground level unless the following conditions are complied with:-

(a) the consent in writing of the Engineer, which shall be subject to revocation at any time as provided in this regulation, shall be first obtained;


(b) the proprietor shall submit such information as may be required by the Engineer and shall undertake in writing in an approved form to accept all liability for damage that may occur and shall give to the Administrator such indemnity for liability for damage as the Administrator requires;

(c) in areas liable to flooding an external aperture to the cellar or basement shall not be below the highest known flood level or such level as is determined by the Engineer;

(d) an external aperture to the cellar or basement shall not be in such a position that stormwater, roof-water or surface water has access to the aperture;

(e) the lighting and ventilation of the cellar or basement shall be in accordance with these Regulations; and

(I) such other conditions shall be observed as are required by the Engineer having regard to the special circumstances of the case.

(2.) If subsequently the Engineer is of the opinion that-(a) the lighting or ventilation is not in accordance with these

Regulations; (b) the fixtures and their surroundings are not kept in a sanitary

condition; ( c) the purpose for which the cellar or basement was used at the

time the permit was granted has been changed; or (d) the conditions specified in the last preceding sub-regulation are

not complied with, then the consent may be revoked by the Engineer; and if the consent is so revoked, the proprietor shall ensure that the fixture or apparatus, as the case may be, is disconnected from the sewer within fourteen days of the date of revocation.

75. Where a fixture is at such a level as may in the opinion of the LIftIDa of

Engineer involve risk of backflow in or defective operation of a drain, wuta.

the wastes from the fixture shall be raised by a method approved by the Engineer to such height as the Engineer orders and discharged into a sewer as and where the Engineer orders.

76. A person shall not discharge seepage water or water from a ~ seepage drain into a sewer except with the consent of and in conformity dniDa. with conditions approved in writing by the Administrator.

Division 7.-Polluted Areas.

991

77.-(1.) Every stable, cow stall, market place, receptacle for sludge DrIIfDaae"water from factories, area where milk cans are washed and area on which poUutoiJ.,.... foul or polluted waters are discharged shall be graded, paved and drained to the satisfaction of the Engineer and the drain therefrom shall be provided with an approved silt trap and, in the case of motorcar washing areas, a petrol and oil trap.

(2.) A trap specified in the last preceding sub-regulation shall be fitted with an approved grating or cover, as the case requires, and the proprietor shall ensure that the silt, petrol or oil is removed before the receptacle into which the trap discharges is full.

992

POIitiOD or &ains, .le.

()bUque juDctiODl.

CoDnezioD to -.


(3.) Where notice in writing is given by the Administrator to the proprietor of a property in a Sewerage District where livestock are kept, the proprietor shall ensure that manure bins are provided for all stables, sheds and yards as directed in the notice.

(4.) A manure bin provided under the last preceding sub-regulation shall be-

(a) constructed of concrete or brickwork not less than nine inches thick laid in cement mortar;

(b) provided with a substantial hinged cover; and (C) rendered and made impervious to rain,

but in the case of manure bins constructed prior to the commencement of the operation of these Regulations, the Administrator may permit the proprietor to render his bins impervious with cement mortar on the inside surface.

(5.) A place specified in sub-regulation (1.) of this regulation-(a) shall not receive the discharge of rain water conduits from a

roof; and (b) unless the Engineer in writing waives compliance with the

requirements of this paragraph, shall be roofed or raised above the adjoining ground so that the entry of rain or surface water into the sewers is prevented.

Division S.-Drains. 78.-(1.) A trench for a drain from any property shall be dug so as to

meet the end of a sewer or the junction provided or to be provided for the connexion to the sewer in accordance with the approved plan issued in pursuance of these Regulations.

(2.) The material from the trench shall be so placed as to cause the least possible obstruction or inconvenience to the public; and proper barriers, notices and lights shall be provided and maintained to guard against accident during the progress of the work of connexion.

(3.) A person who undertakes a work of connexion to a sewer shall not allow water, sand, earth or other prohibited discharge to enter the sewer during the progress of the work.

79.-(1.) Every drain and every fitting, fixture or pipe connected with a drain shall be laid as and where ordered by the Engineer.

(2.) As far as possible all drains shall be laid in straight lines. (3.) Where a change of direction occurs it shall be made by a suit

ably curved pipe with an inspection eye or with an inspection opening on each straight pipe adjoining the curve, or in a manhole or inspection chamber.

80. Where a drain joins another drain or a sewer the junction shall be made obliquely at an angle not greater than forty-five degrees to the direction of flow of the other drain or the sewer.

81.-(1.) The disc stopper at the point of connexion to a sewer shall be removed carefully so as not to injure the socket or allow debris or other matter to get into the pipe.


(2.) Entry into a sewer shall, where there is a fall of more than three feet between the end of a drain and the sewer, be made by means of a drop junction with the vertical line of pipe extended to the surface and suitably capped as ordered by the Engineer.

82.-(1.) A drain shall be laid to an even grade and, except by written 0radi .. 18.

permission of the Engineer, the gradient shall be not less than-

(a) in the case of four inch diameter drains-l in 40 or 2.5 per centum;

(b) in the case of six inch diameter drains-l in 60 or 1.67 per centum; or

(c) in the case of nine inch diameter drains-l in 90 or 1.11 per centum.

(2.) Where the Engineer in writing permits a drain to be laid with a gradient less than the gradient for that drain specified in the last preceding sub-regulation, a person who undertakes the laying of the drain shall make such special provision as the Engineer in writing directs to be made to ensure regular and efficient flushing and cleansing of the drain.

(3.) Except by written permission of the Engineer, the gradient for four inch, six inch and nine inch diameter drains shall not be steeper than 10 per centum, 7 per centum and 5 per centum respectively.

(4.) Where written permission is given for a drain to be laid with a steeper gradient than the gradient specified for the drain in the last preceding sub-regulation and where the Engineer gives written notice that in his opinion the grading of a drain is such that there is a likelihood of scour occurring, an approved concrete bulkhead shall be constructed around the pipe having a minimum width of twelve inches along the pipe and extending at least three inches above the top of the barrel and not less than six inches into virgin ground at each side of and in the bottom of the trench.

83.-(1.) A drain of earthenware or concrete pipe shall, unless it is Depth of

encased in concrete not less than three inches thick over every part of the draina.

drain, be laid at a depth to the top of the socket of the pipe of not less than-

(a) in a public thoroughfare, right of way or other open space subject to vehicular traffic-two feet; or

(b) in private property not subject to vehicular traffic-one foot.

(2.) A person shall not alter the surface over or adjacent to a drain so as to deprive it of the minimum cover specified by the last preceding subregulation unless such measures are taken to protect the drain as the Engineer orders.

(3.) The Engineer may by notice in writing require the depth of cover or the thickness of concrete to be greater than that specified in sub-regulation (1.) of this regulation where, in his opinion, the nature of the soil or the traffic makes a greater depth of cover or thickness of concrete desirable.

993

84.-(1.) Pipes shall be laid to such lines and grades as are shown on Layiq drains.

the approved drainage plan issued in pursuance of these Regulations or as the Engineer orders.

Backfilling.

Pipes under buildings.


(2.) Where in the opinion of the Engineer the ground is suitable, pipes may be bedded directly on the solid ground if holes have been cut in the bottom of the trench to receive the sockets of the pipes, but in all other cases pipes shall be bedded up to the horizontal diameter on approved sand or other approved material so that there shall be at least two inches of the bedding material below the barrel of the pipe.

(3.) In water-charged ground or where the foundation is bad, or where the Engineer so orders, the drain shall be formed by cast iron pipes or by earthenware or concrete pipes encased in concrete not less than three inches thick underneath the barrel of the pipe and beyond the largest diameter on each side and haunched' so that the top line of the concrete meets the pipe not less than one inch above the centre line, and, if the Engineer so orders, shall be supported on approved foundations of timber or other material as ordered by the Engineer.

(4.) Not less than four inches of concrete shall be placed around and under drops or bends in vertical drains.

85.-(1.) Backfilling of a trench shall not be commenced nor shall the pipes in the trench be covered until the drain has been tested by an inspector.

(2.) Where an inspector so directs, pipes shall be covered with a layer, at least three inches thick, of sand or other approved material.

(3.) Backfilling within twelve inches of a pipe shall not contain any stone or piece of rock larger than one and one half inch gauge.

(4.) Under roadways and' driveways, in places subject to vehicular traffic and where the Engineer so orders, backfilling shall be placed in layers of loose thickness not exceeding six inches and each layer shall be thoroughly consolidated by watering and ramming.

(5.) Except in the places specified in the last preceding sub-regulation, backfilling shall be placed in layers each not more than twelve inches thick, watered and rammed as ordered or approved by the Engineer and filling shall be left proud of the natural surface by one inch per foot depth of trench to allow for future subsidence.

(6.) The surface layer of backfilling material shall be restored as nearly as possible to the original condition of soil quality.

Division 9.-Pipes under Buildings. 86.-(1.) A drain, soil or waste pipe shall be constructed so as not to

pass under a building or outbuilding except where any other mode of construction is impracticable and if a pipe is so constructed as to pass directly under a building or outbuilding, the pipe shall be laid in a direct line for the whole distance beneath the building or outbuilding and shall have approved means of access for rodding outside the walls and, if the Engineer so orders, beneath the building or outbuilding.

(2.) Drain pipes under buildings and, if the Engineer so orders, under outbuildings, shall be of earthenware or concrete surrounded by not less than four inches of concrete or cement mortar or shall be of cast iron.

(3.) A pipe carried through or under a wall shall have a clear space of three inches left around the pipe and the space shall be filled with an approved mastic.


(4.) A pipe brought up inside a building for the purpose of connecting a water closet, slop hopper or similar installation shall be-

(a) of cast iron, if the height of the pipe exceeds four feet; and ( b ) surrounded with concrete not less than four inches thick, if the

pipe is of glazed earthenware or concrete.

87.-(1.) A building or outbuilding shall not be constructed over or in Buildinpa.r close proximity to a sewer or drain or a soil or waste pipe without the = or written approval of the Engineer.

(2.) Where the Engineer gives written approval under the last preceding aub-regulation-

(a) the building or outbuilding shall be so constructed and the drain or soil or waste pipe shall if necessary be so reconstructed that the work of drainage or sanitary plumbing complies with the provisions of the last preceding regulation; and

(b) if the Administrator so orders, the building or outbuilding shall be so constructed that a pipe under or in close proximity to the building or outbuilding is readily accessible for excavation. removal, renewal, repair or maintenance.

Division lO.-Joints in Drain Pipes. 88.-(1.) Joints in glazed earthenware pipes shall be made with cement Barcbm_

mortar solidly filled, splayed and trowelled all round to a smooth finish, and, pipcI.

if the Engineer so orders, a hemp gasket soaked in cement or other approved material shall first be driven into the joint all round and the remainder of the joint filled in with cement mortar and neatly splayed off.

(2.) After a joint to which the last preceding sub-regulation applies is made the interior of the joint shall be wiped clear of surplus mortar before the succeeding pipe is laid.

(3.) Where a joint to which sub-regulation (1.) of this regulation applies is not finished in one operation it shall be completed within fifteen minutes of the time that the bed joint is laid.

(4.) Where the Engineer so approves or orders and in very wet ground, bitumastic joints shall be used, the pipes shall be warmed immediately prior to jointing, the bitumen jointing shall be run hot and full and the joint shall be finished in the one operation.

(5.) Glazed earthenware pipes to convey acid discharge, and in other special situations, shall be jointed as ordered by the Engineer.

89. Joints in concrete pipes may be made with cement mortar and if CcmcntaJliPllo so made shall comply with the requirements of the preceding regulation but rubber ring joints with pipe manufactured for rubber ring joints may be used with the approval or by the direction of the Engineer.

90.-(1.) Joints in cast iron pipes shall be stemmed with approved c.tlloaptpll. gaskets and filled and caulked with lead or other approved material so as to be gas and water tight.

(2.) Joints between cast iron and glazed earthenware or concrete pipel &hall be made as for those between glazed earthenware or concrete pipes.

21455/66.-II.-l!l

996

TrappiDaof InlCIII.

Cl .... o( lraps.

Water seals.

yatd pl\IeI.

Kerblaaof inlCIII.


(3.) Where cement jointing is used on a cast iron pipe and where an inspector so directs, the protective coating shall first be removed from that portion of the cast iron pipe which will be in contact with cement.

Division H.-Traps.

91.-( 1.) An inlet to a drain, other than an inlet for ventilation, shall be provided with an approved' trap.

(2.) Every water closet, urinal or slop hopper, every fixture receiving eltcremental discharges or discharges from an operating theatre or morgue and such other fixture as the Engineer specifies in writing shall be connected directly to a drain; and all other fixtures shall be disconnected from the drain by means of approved traps.

92.-(1.) The following classes of traps shall be used as required:(a) traps for intercepting gases only; (b) silt traps for intercepting both gases and solids; and (c) grease, acid and oil traps for collecting grease, neutralizing acids

and' collecting petrol and oil respectively.

(2.) A trap for intercepting gases only shall be of round section and self-cleansing form but shall not empty by momentum or suction.

(3.) A silt trap shall have slightly tapered sides, a flat bottom and rounded angles and shall be provided with approved means for catching and removing solids.

(4.) A grease trap, acid trap or oil trap shall be of such form and material as the Engineer approves or orders.

93. A drainage trap shall have a water seal not less than two inches in depth unless the Engineer permits or orders otherwise.

94.-(1.) Unless other approved provision is made for taking household liquid refuse, a yard gully shall be provided in the yard of every property as near as practicable to the kitchen or back door with a tap placed over it at a height of not less than two feet, and the yard gully shall not be situated within a building or outbuilding.

(2.) A yard gully shall be fitted with a dished top and grating, the dished top being in one piece with the trap, or jointed thereto spigot and faucet or as otherwise approved.

(3.) The depth of the d'ished top to the grating shall be not less than six inches and the grating shall be so fixed as to be removable with reasonable facility.

(4.) The wastes shall be discharged below the grating.

95. A yard gully basin, the top of a silt trap and the top of a disconnector trap shall be surrounded with an approved impervious kerbing so as to prevent the access of surface water to the drains, and, if the Engineer so orders, the wall at the rear of a gully or silt trap, if of brick or stone, shaD be cement rendered to the height of the tap over the gully 9r silt trap or, if of wood or other material not being brick or stone, shall be provided with an approved sheet iron apron.


96.-(1.) A sealed disconnector trap shall not be placed inside or out- Sealed • disconnector SIde a building or outbuilding without the approval of the Engineer. traps.

(2.) Where a sealed disconnector trap is placed inside or outside a building or outbuilding, breather pipes or fresh air inlets equal in area to the waste pipe or pipes discharging into the drain shall, unless the Engineer approves otherwise in writing-

(a) be taken to such heights as the Engineer orders; and (b) where the trap is inside, be led to the outside of the building.

(3.) The material for breather pipes shall be the same as for vent pipes. (4.) Inspection openings to disconnector traps placed inside or outside

a building or outbuilding shall be sealed with screwed plugs or as otherwise approved by an inspector.

Division 12.-Ventilation. 97.-(1.) The main drain of a house shall be ventilated at its upper Vents on

end by a pipe ventilator erected vertically and this ventilator may be a soil :k~ houao

vent pipe. (2.) If a drain is provided with a boundary trap there shall be in addition

an induct vent connected to the boundary trap shaft and the difference in height between the tops of the vents at the upper and lower ends of the drain shall, wherever practicable, be not less than six feet.

98. A branch drain shall be vented if the drain trap is more than twenty Vents on

feet from the main house drain, measured along the line of the pipes from branch dtalD.

the centre line of the main drain to the centre of the outlet side of the water seal of the disconnecter trap, the distance measured including the drop, if any.

99.-(1.) Subject to regulation 120 of these Regulations- Size of dnID

(a) where more than one educt vent is provided, the vent pipe on veal&.

the longest line of drain shall be not less than four inches in diameter; and

( b) in other cases a drain vent pipe shall, unless the Engineer otherwise orders, be not less than four inches in diameter if it is an educt vent and not less than three inches in diameter if it is an induct vent.

(2.) Unless the Engineer otherwise orders or approves, a vent specified in the last preceding sub-regulation shall be provided with an approved educt or induct cowl or a basket end.

100.-(1.) A drain vent pipe situated wholly outside a building shall Material. for

be of cast iron, galvanized wrought iron, galvanized sheet iron or other drain vents. approved material above the surface of the ground and of glazed earthen-ware or concrete below the surface of the ground and shall, where the Engineer so orders, be protected as the Engineer orders against damage.

(2.) A galvanized sheet iron vent pipe shall be grooved and welded, soldered or riveted and shall be of not less gauge than twenty for three inch or four inch diameter pipe or eighteen for six inch diameter pipe and the first six feet above ground shall be of cast iron or other approved material.

IllPPort or illduct _tt.


(3.) The cir.cumferential joints of galvanized sheet iron vent pipes shall be ri.vded and soldered.

(4.) A drain veat pipe inside a building sb.all,unless the Engineer otherwise approves, be of cast iron of soil pipe strength or of galvanized wrought iron.

101.-{1.) Subject to the next succeeding sub-regulation, a soil or waste vent pipe shall be of cast iron, wrought iron, lead, copper or brass.

(2.) Where a vent pipe is entirely outside a building, a grooved, welded or riveted galvanized sheet iron vent pipe may be used, but a sheet iron vent pipe shall not be used at a level lower than two feet above the level of the highest fixture served by the pipe.

(3.) If of lead, the vent pipe shall be of not less than seven pound lead for use with water closets, urinals or slop sinks or of not less than six pound lead for use with other fixtures.

(4.) An external soil or waste vent pipe of galvanized sIleet iron aha1l be of gauge not lighter than-

(0) twenty-two gauge, if the pipe diameter is not less than ODe

and one-half inches and not more than two and one-half inches;

(b) twenty gauge, if the pipe diameter is not less than three inches and not more than four inches: or

(c) eighteen gauge, if the pipe diameter is six inches. (S.) A galvanized sheet iron vent pipe shall be coated on the inside

with an approved bituminous coating and outside with two coats of good quality oil paint to the colour required by the proprietor of the property or as otherwise approved.

102. An induct vent shall ,be securely supported in the manner approved by the Engineer or an inspector.

103. An upward extension from a· soil pipe for ventilation shall pass in as direct a manner as possible above and, if necessary, through the roof of a building served by the soil pipe.

104. If-(0) there is only one fixture attached to a waste pipe; (b) the water seal of the trap of the waste pipe is not reduced by

siphonage or other cause; and (c) the fixture is not a lavatory basin or a fixture connected to a

grease trap, the waste pipe need not be ventilated unless, being inclined at an angle of less than forty-five degrees to the liorizontal, it exceeds seven feet in length, or, being inclined at an angle of more than forty-five degrees to the horizontal, it exceeds eighteen feet in length.

10S.-{1.) Loss of water seal in a trap shall be prevented by antisiphonage vents in accordance with the requirements of regulation 120 of these Regulations and anti-siphonage vents from fixtures shall be carried up in accordance with regulation 106 of these Regulations or joined to a branch or main vent above the level of the fixture unless special permission to the contrary is granted by the Engineer.


(2.) Subject to the next succeeding sub-regulation, anti-siphonage vent pipes shall connect to the waste pipe or the soil pipe on the opposite side of the water seal from the fixture at a point not less than three inches nor more than one foot from the crown of the trap or as the Engineer in writing approves.

(3.) In the case of a water closet or bath, the vent pipe shall be not more than four feet from the crown of the trap.

(4.) No other fixture shall be connected to a soil pipe or waste pipe at any point between the anti-siphonage vent and the trap which it serves.

(5.) Materials for anti-siphonage vent pipes shall be as lor soil and waste vent pipes.

106.-(1.) Where a building is within a distance of thirty feet from a ~oheo' vent pipe extending upwards from a soil or drain pipe, unless the Engineer PlpeI.

otherwise orders-

(a) the vent pipe shall be carried not less than six feet above a door, window or other opening into the building; and

( b ) if the vent pipe is an educt vent, the vent pipe shall be-(i) carried upwards eighteen feet above the ground level

and six feet above the level of the eaves or coping of the building; and

(ii) where the vent pipe extends into a gable of the building, carried at least three feet above the intersection of the vent pipe with the roof of the building.

(2.) A vent pipe extending upwards from a waste pipe or disconnector trap shall be carried not less than four feet above a door, window or other opening into a building within a distance of fifteen feet from the vent pipe and at least two feet above the level of the eaves or coping, or, where the vent pipe extends into a gable at least two feet above the intersection of the vent pipe with the roof.

(3.) A vent pipe passing through a ceiling shall be carried through the roof for a height of at least three feet in the case of a drain or soil vent pipe and two feet in the case of a waste vent pipe.

(4.) If a flat roof is used for any purpose other than as a covering for the building, any drain vent pipe or soil vent pipe shall be carried at least ten feet above the roof level.

(5.) Notwithstanding the preceding provisions of this regulation, a vent pipe shall be carried to such additional height as the Engineer considers necessary and orders to prevent effectually the escape of foul air into a building in the vicinity.

(6.) A vent pipe shall, where the Engineer considers it necessary and so orders, be provided with sufficient clips or stays to support it effectively and a vent pipe the top of which is more than ten feet above the highest fastening to a structure, or which has an offset above the top holdfast, shall be stayed by at least two approved stays set at right angles to each other.

107. An approved ground vent may be used on a boundary trap situated Ground_1I.

not less than thirty feet from a window or other opening into a building.

1000

Vents near chimneya.

Vent pipe aracla.

Comblnlna 01 .. ta.


108. A chimney shall not be used as a ventilator to a drain, soil or waste pipe or as an anti-siphonage vent.

109.-(1.) A vent shall, as far as possible, be kept away from a chimney or ventilating air shaft.

(2.) Where a vent pipe terminates six feet or more from a chimney opening or ventilator air shaft, the requirements of regulation 104 of these Regulations shall apply and where the distance between the vent pipe and the chimney opening or ventilator air shaft is less than six feet the vent pipe shall in addition terminate not less than two feet below or not less than three feet above the opening of the chimney or air shaft.

110.-(1.) A vertical line of vent pipe shall connect full size at its base with a soil pipe, waste pipe or drain pipe and shall extend in undiminished size above the roof of the building served by the vent pipe or be connected to the soil, waste or vent stack in compliance with the requirements of regulation 109 of these Regulations on a grade of not less than one in forty.

(2.) An offset shall be at a grade of not less than forty-five degrees to the horizontal.

111.-(1.) A vent pipe may be combined with or branched into a soil or waste pipe above the level of the highest fixture, but in the case of a separate pipe system, a soil vent pipe shall be branched into a soil pipe or soil vent pipe only and a waste vent pipe into a waste pipe or waste vent pipe only.

(2.) A vent pipe shall not be used as a waste pipe or soil pipe.

Galvanized 112. Where an additional branch is required to an existing galvanized ~er=dleI. sheet iron vent pipe a brass saddle piece, belted and soldered to the vent

pipe, shall be used.

PIpe c:lIpt.

Attacbmea. to walll.

Vents In eutbuildlnp.

113.-(1.) There shall be at least one pipe hook or clip to each six feet length of vent pipe.

(2.) Approved coated wrought iron clips shall be provided for cast iron pipe without lugs and for wrought iron pipe.

(3.) Galvanized band iron clips of fourteen gauge iron one and one-half inches wide or approved pipe hooks shall be provided for galvanized sheet iron pipe.

(4.) For cast iron pipe with lugs two 2t" x i" coach screws or dog nails shall be provided for each pair of lugs.

(5.) Wherever it is necessary to fix pipes clear of a wall, approved extension clips shall be used which, in the case of cast iron pipes, shall be placed tight up against the head or underside of the collar.

114.-(1.) Unless the Engineer otherwise orders, where a galvanized sheet iron pipe with or without offset is carried up above the brick wall of a building or outbuilding, a galvanized wrought iron clip shall be used, leaded into the wall near the top wherever possible and bolted against the vent pipe.

(2.) A band iron clip of a vent pipe to a brick wall shall be fastened with nuts and bolts leaded' in, or by means of T-headed bolts passed through the brick joints and turned at right angles to the joints.

115. A galvanized sheet iron vent pipe may be used inside an outbuilding but where liable to damage shall be protected as the Engineer orders.


116.-(1.) Where a building is erected next to an existing building of ~:r~oining less elevation and a window of the first mentioned building is located within . thirty feet of an existing vent stack on the second mentioned building, the owner of the first mentioned building shall defray the cost of such alterations to the vents of the second mentioned building as are necessary to comply with regulation 106 of these Regulations.

(2.) The owner of the second mentioned building shall make the necessary alterations upon the receipt of money, or security for money, sufficient for the purpose, from the owner of the first mentioned building or shall permit, at the election of the owner of the first mentioned building, the making of the alterations by the owner of the first mentioned building.

117.-(1.) An internal grease trap or an external grease :trap which is ~ftraP within thirty feet of a door, window or other opening into a building shall, ven a IOD.

unless the Engineer approves otherwise, be fitted with an approved airtight cover or shall have independelllt provision made for inlet and outlet ventilation.

(2.) A vent provided under the last preceding sub-regulation shall comply with the provisions of regulation 106 of these Regulations applicable to waste vents.

(3.) There shall be a difference in height of at least six feet between the top of any inlet vent and the top of any outlet vent provided under subregulation (1.) of this regulation.

(4.) The sizes of any vents provided under sub-regulation (1.) of this regulation shall be in accordance with the requirements for main vents in regulation 120 of these Regulations the diameter of the waste pipe being taken as that of the outlet from the grease trap and the number of fixture units being taken as equivalent to the number represented by the sinks served by the grease trap.

Division 13.-Sizes of Pipes. 118.-(1.) For the purpose of determining the size of any drain pipe, Fixture uaia.

waste pipe, soil pipe or vent pipe the following equivalent fixture units shall be adopted unless the Engineer otherwise orders:-

Fixture.

~:hl:::~: b::: over 20 served by the pipe .. I One kitchen sink (up to 6 inches depth to overflow)

or cleaners sink

One bath with or without overhead shower

One wash trough set with common trap ., .. One urinal or group of urinals draining to a common

trap .. One slop sink. . . . One shower compartment One water closet Group of fixtures contained in one apartment

Bath and lavatory basin Bath, lavatory basin and shower .. Bath, lavatory basin, shower and water closet

Nominal Outlet Diameter in Inches.

It .. { 2

{it 2

2 3 2 4

Fixture Units.

I t

for each basin

3 4 6 5

3 4 3 6

6 6 6


(2.) For fixtures other than those specified in the last preceding subregulation the equivalent fixture units to be adopted shall be determined by the Engineer.

Sire. rplp& 119.-{1.) The sizes of soil pipes, waste pipes and combined pipes shall be not less than the sizes determined on the basis of the total number of furture units drained or likely to be drained and shall be not less than the sizes determined in accordance with the following table:-

Grade Not Less Than-

Diameter r MfDimum Permilaiblo 1 in 40 1 in 12 lin4 Vertical Pipe in Inches.

(BSi Degrees (8S Degrees ('IS Degrees

1 6 9

\4 20

100 420

Grade. FittiDp). FittiDp). FittiDp). Stacks.

.. .. .. 1 1 1 11

.. .. .. 6 8 9 It .. .. . . 12 17 24 2 .. .. .. 20 28 36 2t .. .. .. 30 40 SO 3

.. .. 100 ISO 210 260 4

.. .. 490 820 1,1S0 1,400 6

(2.) Notwithstanding the last preceding sub-regulation-

(a) pipes shall not be diminished in the direction of flow; (b) the diameter of a trap or pipe receiving the discharge from a

fixture shall be not less than the nominal outlet diameter of the fixture and a soil pipe shall be not less than three inches in diameter;

(c) not more than two closet pans shall discharge into a three inch graded soil pipe;

(d) where forty-five degree fittings are used throughout for connexions to a stack the permissible maximum number of fixture units for vertical stacks in the above table may be increased by fifty per cent;

(e) not more than one-half of the total permissible number of fixture units for a vertical stack in accordance with the table in the last preceding sub-regulation shall be connected to the stack in any eight feet of the length of the stack;

<I) pipes shall be as direct and free from bends as practicable but where bends are unavoidable approved provision shall, if the Engineer so orders, be made to safeguard fixtures connected immediately above or below the bends; and

(g) an offset in a vertical stack may be deemed to be vertical if the length of the offset does not exceed five feet measured horizontally.

slr.or..... 120.-(1.) For the purposes of this regulation the length of a vent pipe shall be measured as follows:-

(a) the length of a main vent pipe shall be the height of the building, in stories, above the floor on which is situated the lowest fixture served by the vent pipe; and


(b) the length of a branch vent pipe sball be the height of the building, in stories, above the floor on which is situated the lowest fixture served by the vent pipe, plus an additional story for-

(i) each length of twelve feet; and (ll) each length of less than twelve feet remaining when

all lengths of twelve feet have been measured, in the length of the branch vent pipe measured horizontally from the main vent pipe to the fixture served by the branch vent pipe.

(2.) The diameter of a main vent pipe or a branch vent pipe shall be not less than the size determined from-

(a) the diameter of the soil, waste or combined pipe or stack to be vented;

(b) the total number of fixture units served by the main vent; and (c) the length of the vent,

in accordance with the following table:-

Total Number of Total Length of Vent in Stories. Diametero( Fixture Units Served. Soil, or

Waste-pipo 1. 2. 3. 4. in Inches.

Up to 8 .. li- 1* 1* It It 14 .. .. 1* 1* It .. . . 12 .. .. li- It 1; 1; 2 36 .. .. H H 1; 2 .. 24 .. .. It It H H 2; S4 .. . . H 1; It 2 "

12 .. .. H 1; 2 2 3 18 .. .. 1; 2 2 2 .. 30 .. .. 2 2 2 2; .. 60 .. .. 2 2 2; 2; .. 7S .. . . 2 2; 2; 2; .. 12 .. .. 2 2 2 2; 4 36 .. .. 2 2; 2; 2; .. 72 .. .. 2; 2; 2; 2; .. 120 .. .. 2; 2; 2; 3 .. 180 .. .. 2; 3 3 3 .. 300 . . .. 2; 3 3 3 .. 390 .. .. 3 3 3 3 ..

(3.) The diameter of an individual anti-siphonage vent shall be not less than the diameter determined from the diameter of the fixture trap served in accordance with the following table:-

Diameter of Fixture Minimum Permissible Diameter of Fixture Minimum Permissible Trap in inches. Diameter of Anti- Trap in Inches. Diameter of Anti·

siphonage Vent in Inches. siphonage Vent, in Incbce.

1! ., .. 1* 2; 2 1; .. .. H 3 2 2 .. .. H 4 2

lOOl


(4.) The aggregate area of the apertures in a grating covering a ventilator opening shall be not less than the sectional area of the vent pipe.

(5.) The apertures in a grating covering a ventilator shall be kept at all times free of obstructions by the occupier.

Division 14.-Soil and Waste Pipes.

Waate plpeI. 121. Unless the Engineer approves otherwise, separate waste pipes

Soli plpet.

Combined pipet.

Connmon. to drain.

shall be provided for each of the following classes of polluted water:-(a) water from baths, sinks, lavatory basins and wash troughs and

other water containing a small proportion of soap and dirt; and

(b) greasy water from kitchen and scullery sinks or other fixtures and from fixtures for which grease traps are required by these Regulations or are ordered by the Engineer.

122.-(1.) A soil pipe shall be provided for soil water from a water closet, other waters containing faecal matter, urinal waters from a slop sink or urinal, and, where the Engineer so orders, discharges from an opemtingtheatre or morgue.

(2.) Waters or discharges for which, under the last preceding subregulation, a soil pipe is required to be provided shall not be discharged into a waste pipe.

123. The Engineer may, if he thinks fit, approve of the adoption of the combined pipe system for a sanitary plumbing installation subject to the following conditions and such other conditions as he deems necessary and orders to be observed in a particular case:-

(a) a boundary trap shall be provided in the house drain complete with induct vent on the drain side of the trap;

(b) all fixture traps shall be vented; and (c) where the Engineer so requires, a combined pipe shall comply

with the provisions of these Regulations relating to soil or waste pipes.

124.-(1.) A waste pipe shall discharge under the grating of a gully or into a disconnector trap.

(2.) A soil pipe, including one for a urinal or slop sink, shall be connected direct to a drain.

(3.) A metallic waste pipe shall not be laid in the ground inside or outside a building except by permission of the Engineer.

125.-(1.) Unless the Engineer otherwise orders-(a) a trough, sink or other fixture placed less than three inches from

a wall; or (b) a bath placed less than six inches from a wall,

shall, unless the trough, sink or other fixture or bath is provided with wall skirtings as part of the fixture, be flashed with four pound lead, twenty-four gauge copper, bronze, brass, nickel silver or monel metal, or other approved material.

(2.) Galvanized sheet iron is an approved material for flashing a fixture other than a sink in accordance with the last preceding sub-regulation.


(3.) A flashing provided in accordance with this regulation-(a) shall, if the wall is tiled, be carried up at least one-quarter of an

inch behind the tiles; or (b) shall, in any other case, be turned up the wall at least four inches

or be tucked one inch into a joint and cemented watertight. (4.) A bath or other fixture having a turned up flange for use against a

tile wall in lieu of sheet metal flashing shall be properly supported to prevent settlement and the flange shall lap at least one-quarter of an inch behind the tiles which shall be brought hard down on to the surface.

(5.) A flashing provided under this regulation shall be properly secured and made watertight and' shall be bedded for a width of not less than one inch along the edge nearer the fixture in red or white lead and wall surfaces adjacent to all fittings shall be impervious to water.

126. Unless the Engineer otherwise directs or approves, a sink, tub or Fix~ures similar fixture, situated in premises where food for human consumption is :..~.t prepared, manufactured, or stored for sale, or a draining board, slab or plate used in connexion with a fixture so situated shall be a clear distance of not less than three inches from a wall surface or obstruction.

lOOS

127. A cock delivering water shall not be fixed internally unless a Internal coclta.

sink, lavatory basin or other approved fixture or a properly drained imper-vious floor is provided underneath, and the outlet of the cock shall be not less than one inch above the top of the fixture or the overflow of the fixture.

128. Where a vent, waste or soil pipe passes through a roof a suitable Pipes

lead collar or flashing of four pound lead shall be soldered or otherwise ~'}~gh fixed to the pipe and also the roof, in such manner as shall make the roof perfectly watertight.

129. A line of soil or waste pipe shall be as direct as possible. Location.

130.-(1.) Material other than cast iron, lead or brass shall not be used Materials.

for a soil pipe or material other than wrought iron, cast iron, lead, brass, copper, glazed earthenware or concrete for a waste pipe.

(2.) A waste pipe to receive acid wastes shall be of an approved material.

131. The minimum permissible weight of lead for soil pipes shall be Lead pipes.

seven pounds per square foot and for waste pipes six pounds per square foot.

132. A wrought iron pipe and its fittings shall be of approved standard Wrou~t weight and quality and galvanized or lined to the approval of the Engineer. iron Plpe.

133.-(1.) A cast iron pipe shall be sound, free from holes and cracks Cast Iron

and coated with approved bituminous composition or lined with glass, enamel pipe.

or other material to the approval of the Engineer. (2.) A cast iron pipe laid in the ground shall comply with the standard

approved by the Engineer for a cast iron water pipe. (3.) A cast iron pipe not laid in the ground shall have a minimum

thickness of three-sixteenths of an inch measured without the enamel or other lining.

(4.) A junction in a pipe specified in the last preceding sub-regulation shall be curved and a right angled junction shall not be made.

1006

Copper and bruapipea.

UlIOoflad pipe.

Sup~ IcaO pipcL

SupportlDa ofpipa.

PittiqI.

Minimum padicuta.

ll111C1loDl.

I5ealinlof pipa.


134.-(1.) A copper or brass waste pipe or inside vent pipe shall be a seamless solid drawn tube and shall be of metal not lighter than sixteen gauge and, where the Engineer so orders shall be protected from external injury.

(2.) A sheet copper vent pipe for use on outside work only shall be of metal not lighter than twenty-four gauge and may be made with grooved seams.

135. A lead pipe shall not be used where, in the opinion of the Engineer, it is liable to be damaged.

136.-(1.) A lead pipe shall be supported by cast lead tacks of approved dimensions, wiped on to the pipe, or by other approved fastenings, and the fastenings shall be arranged as nearly as possible, as foIlows:-

Centres. 4 inch vertical lead pipe 2 ft. 6 ins. 4 inch inclined lead pipe .. 2 ft. 0 ins. Less than 4 inch vertical pipe .. . . 3 ft. 0 ins. Less than 4 inch inclined pipe .. .. 2 ft. 3 ins.

but two pairs of tacks fixed opposite shall be sufficient for flush pipes of lead with lugs for cisterns.

(2.) The dimensions of a tack used to support a lead pipe shall be as follows:- Dimensions

Diameter of Pipe. of tack. 4~ rxr 3 inch 6" X -!o" 2~ ~Xy H~ ~Xy

137. Subject to the last preceding sub-regulation, the provisions of regulation 113 of these Regulations shall apply to soil and waste pipes.

138. The provisions of regulations 130 to 136 inclusive of these Regulations relating to a particular class of pipes, shall, where applicable, apply to fittings for that class of pipes.

139. The minimum gradients for soil and waste pipes and drains, except where special permission to use flatter grades is given by the Engineer, shall be as follows:-

Diameter of Pipe. It inch H inch 2 inch 2! inch 3 inch 4 inch 6 inch

Minimum Gradient. 1 in 12.5 or 8.00% 1 in 15 or 6.67%

.. 1 in 20 or 5.00%

.. 1 in 25 or 4.00% 1 in 30 or 3.33% 1 in 40 or 2.50% 1 in 60 or 1.67%

140. Where a waste or soil stack is branched into a graded waste pipe, soil pipe or drain pipe, the branch fitting shall have an angle of not less than forty-five degrees to the graded pipe and the length of the branch of the fitting shall be such that the vertical projection of the attached stack will be wholly outside the area of the junction with the graded pipe.

141.-(1.) Where a fixture is removed or disconnected, any soil pipe, waste pipe, vent pipe or water supply pipe to the fixture shall be removed or, if the Engineer allows a pipe to remain, the end of the pipe shall be sealed with watertight imperishable materials.


(2.) Wrought iron pipe may be sealed with a screwed plug, cast iron pipe may be sealed with a cast iron plug caulked in with lead, lead pipe may be sealed by securely closing the ends with a wiped joint, and glazed earthenware pipe may be sealed with a glazed earthenware disc cemented in.

1007

142. Sheet metal bends and offsets for flush and vent pipes shall be Sheet metald b . d bendaan ent or pressed and mItred elbows shall not be use . offsets.

143.-(1.) A soil pipe. waste pipe, main vent pipe or trap shall, except Con~eat where passing through a wall, partition or floor, be reasonably accessible at of PIpes.

all times for inspection and convenience of repair. (2.) In hospitals and similar institutions all soil pipes, waste pipes and

main vent pipes shall, where practicable, be fixed on the outside of external walls. or in pipe ducts each having a minimum width of two feet and minimum area of nine square feet (measured clear of all pipes or other obstructions) and shall be so arranged as to facilitate inspection and maintenance at all times and the pipe ducts shalt be provided with access doors so placed as to permit ready itlSpection of every straight line of pipe.

(3.) In buildings other than hospitals and similar institutions, if soil waste or main vent pipes are concealed within pipe ducts or recesses in walls, the ducts or recesses shaIl-

(a) each be provided with approved means of access and have a width of not less than two feet and a minimum area of nine square feet (measured clear of all pipes or other obstructions); or

(b) each have at least one side constructed of woodwork, brickwork in lime mortar, terracotta or gypsum blocks, plaster on expanded metal lathing, or other approved material, so constructed and fixed as to be capable of being removed independently of and without damage to any other part of the structure and provided with inspection openings so placed as to allow ready itlSpection and maintenance of every straight line of pipe.

(4.) Branch and anti-siphonage vent pipes may be concealed in hollow walls or may be built in lime mortar in wall chases if the pipes and fittings are made of cast iron, wrought iron, or steel or of brass or copper of thickness of not lighter than twelve gauge where screwed fittings are used or not lighter than sixteen gauge where compression fittings are used.

(5.) Except by special permission of the Engineer, junctions shall not be built into walls.

( 6.) Inspection or access openings to concealed pipes shall be finished throughout with smooth surfaces and shall be of such size and shape as to permit the ready entrance of cleaning tools to the pipe.

(7.) For the purposes of this regulation a straight line of soil pipe, waste pipe or main vent pipe shall be taken to include an offset or deviation from the straight line of not more than forty .. five degrees and not more than three feet in length.

144. Concealed standing wastes are not permitted. Standfng wastes.

145 Painting of any portion. of a work of sanitary plumbing shall not Painlina. be carried out until the work has been inspected and approved.

1008

Barthenware, concrete and cast iron pipes.

Lead pipe.

Wrought iron pipes.

Wrought iron to lead pipes.

Brass or copper pipes.

Lead to cast Iron pipes.

Sheet iron to cast iron pipe.

Sheet iron pipe to wrought iron M steel pipe.

Sheet iron to load p1po,


Division IS.-Joints and Connexions. 146. Joints in earthenware, concrete or cast iron pipes shall conform

to the requirements of regulations 88, 89 and 90 of these Regulations.

147. A joint-(a) between lead pipes; or (b) between a lead pipe and a brass union, ferrule or other corro

sioTh-resistant metallic fitting, shall be a plumber's wiped joint or shall be made by means of a fitting approved for the joint.

148.-(1.) The screwed ends of wrought iron pipes and the sockets connecting the pipes shall be so formed and the threads so cut that the adjacent ends of pipes will butt against each other when screwed home in a socket; and bends, junctions and similar fittings shall be similarly formed and screwed so that when the pipe ends are screwed home the bore will be continuously uniform and without breaks or pockets.

(2.) Any burr on the inner edge of a pipe end shall be neatly filed off. (3.) All screwed joints shall be made with approved jointing material. ( 4.) British standard pipe threads shall be used.

149. A joint between a wrought iron pipe and a lead pipe shall be made by means of a brass union screwed to iron and wiped to lead.

150. Joints of brass or copper pipes shall be made(a) by brazing to the satisfaction of an inspector; (b) in accordance with the latest pUblication for the time being of

Australian Standard Specifications relating to compression joints or copper alloy screwed fittings for standard copper tubes; or

(c) by other approved means.

151. The connexion of a lead pipe or trap to a cast iron pipe shall be made by means of a brass ferrule lined with and connected to the lead pipe or trap by means of a wiped joint and connected to the cast iron pipe by inserting the ferrule in the socket of the cast iron pipe and making the joint in the same way as in cast iron pipework.

152. The connexion of galvanized sheet iron to a cast iron pipe shall be made with molten lead lightly but tightly caulked into the cast iron socket.

153. A galv,anized sheet iron or galvanized sheet steel pipe shall be connected to a wrought ,iron or steel pipe by means of a brass union or a sleeve, soldered to the sheet iron or sheet steel pipe and screwed to the wrought iron or steel pipe or by means of a wrought iron socket screwed to the wrought iron or steel pipe into which the sheet iron or sheet steel pipe is tightly caulked with molten lead.

154. The connexion of a galvanized sheet iron pipe or galvanized sheet steel pipe to a lead pipe shall be made by means of a brass sleeve wiped to the lead pipe and soldered to the sheet iron or sheet steel pipe or by means of a cast lead collar wiped to the lead pipe into which the sheet iron or sheet steel pipe is caulked as <the Engineer orders or soldered and jacketed.


155.-(1.) The connexion of a lead pipe to an earthenware or concrete Lead to

pipe shall be by means of a mortar joint after the portion of the lead pipe to :=~ be covered by the joint compound has first been coated with an approved bituminous compound.

(2.) The provisions of regulation 88 of these Regulations apply to a joint between a lead pipe and an earthenware or concrete pipe as if the joint were a joint of glazed earthenware pipes.

156. The connexion of an earthenware or concrete trap to a lead pipe Lead pipe to

shall be by means of a cast lead or brass socket, the joint being made with :==~ bitumen or other approved material and the lead pipe being connected to the tail end of the brass or lead socket by a plumber's wiped joint.

157.-(1.) The connexion of a closet pan to a soil pipe or drain shall ConnexioD.oC be made by means of a bituminous jointing niaterial consisting of a mixture ~~::msoil of approved bitumen and finely graded inert mineral filler in equal propor- pipe or dnla.

tions filled solidly into the socket of the soil or drain pipe and neatly splayed off, or by some other approved means.

(2.) In the case of a lead soil pipe a cast lead or brass socket shall be used connected to the lead pipe by means of a wiped joint.

158.-(1.) The flush pipe from a cistern shall be connected to the water qatem lluIh

closet pan by means of a lead cap piece of not less than four pound lead ~E::' paIL

packed with red lead or other approved material or by some other approved means.

(2.) The cap piece shall be jointed to galvanized sheet iron, copper, brass or drawn steel pipe by means of a soldered joint and to lead flush pipe by means of a wiped or soldered joint.

(3.) The connexion of the flush pipe to the cistern shall be by means of a brass union, wiped to a lead pipe or soldered to a sheet iron pipe or by some other approved means.

(4.) A copper or brass pipe shall be connected to the cistern by means of a brass ring with a nut brazed to the pipe or by some other approved means.

159. A vent pipe shall be connected to the vent horn of the water closet Vent pipe to trap by means· ofa lead cap piece with red lead packing or by some otner closet paIL

approved means and if a lead cap piece is used the cap piece shall be jointed to copper or brass pipe by means of ,a soldered joint and to lead pipe by means of a soldered or wiped joint.

160.-( 1.) A connexion between an outlet fitting and a bath, sink, basin Outlet fiUlnaa or other fixture constructed of cast iron, plate iron, ceramic ware or concrete to fixturea.

shall be made with a locknut; but when one of these fixtures is to be con-nected to an outlet fitting and is made of sheet metal lighter than twenty gauge, a soldered connexion may be used in lieu of a locknut.

(2.) An outlet fitting shall be connected to a waste pipe by means of a union.

161.-(1.) Subject to the next succeeding sub-regulation, a connexion Waste pipeI

of a waste pipe to a wash trough shall be made as follows:- to tro ....

(a) a cement trough shall, unless the Engineer otherwise approves, have a cast-in outlet;

(b) a sheet metal trough shall be connected to the waste pipe in accordance with the last preceding regulation; and

1010

Fixturea to b trapped

Sewerage Regulatioru

(c) in the case of a wooden trough. a lead, copper or brass waste pipe shall be connected to the trough with a locknut or shaD have a flange connected to the waste and fastened to the underside of the trough with copper tacks and the waste pipe shall be turned over inside the trough and the plug casting bedded over it with red lead putty and screwed to the trough with brass woodscrews.

(2.) Where a wrought iron or other screwed pipe is used the plug shall be connected to the trough by means of a locmut in. lieu of a flange.

Division 16.-Fixture Traps.

162.-(1.) A fixture shall be effectively trapped unless the Engineer iD writing approves that it be not trapped.

(2.) A separate trap shall be provided for each fixture other than a lavatory basin or sink.

(3.) Lavatory basins or sinks may be connected in pairs if they are situated in a detached outbuilding, on an open verandah or in a sanitary block well ventilated to the satisfaction of the Engineer and if the length of the waste pipe between the two fixtures connected in a pair does not exceed three feet.

(4.) A bath, lavatory basin, wash trough or sink may remain untrapped where fixed in the open air or in a detached outbuilding not used as a living room, workroom or room for the preparation or storage of food and not connected directly by an opening with the main building or residence if the length of the waste pipe, measured in the case of a wash trough from further inlet to outlet of waste pipe, does not exceed six feet.

163. A fixture trap shall be placed as near the fixture as possible and. subject ,to the last preceding regulation, shall in no case be more than two feet from the fixture or such greater distance from the fixture as the Engineer in writing approves.

164.-(1.) Subject to the next succeeding sub-regulation, a trap for a fixture other than a water closet, slop sink or urinal shall be of copper. brass or drawn lead.

(2.) A trap receiving chemical wastes shall be of ceramic ware or glazed earthenware.

DIptb 01-.1. 165. A trap provided for a fixture shall have a water seal not less than two inches in depth.

00II& PM 166. An outlet from a closet pan shall be in accordance with the u&~ appropriate Australian Standard Specification or, if there is no appropriate

Australian Standard Specification, shall be not less than three and one-half inches and not more than four inches in diameter except in the case of syphonic pans.

POIID atu&p. 167. The P form of trap shall be used in preference to the S form where in the opinion of the Engineer it is as suitable or more suitable.

Lead IrapL 168. A lead trap shall be of the weight specified in regulation 131 of these Regulations for a lead pipe of the same class.


Division 17.-Gratings and Inspection Openings.

169. Incorrodible outlet gratings of approved design and material in Gratinp.

accordance with Australian Standard Specification B. 38 "Metal Alloy Sanitary Fittings" shall be provided for all urinals and slop hoppers and for all fixtures discharging into waste pipes but if for a fixture there is not an Australian Standard Specification the grating shall be to the approval of the Engineer.

1011

170.-(1.) Inspection and cleaning eyes shall be provided in such posi- ?romi!'ll for tions on every soil pipe and every waste pipe as will provide access for =:n and proper inspection and cleaning of the entire length of pipe.

(2.) A trap for a sanitary fixtur£. other than a water closet or slop sink shall be provided for cleaning purposes with an approved screwed brass plug fixed under the water-line of the trap.

171. Where the vertical stack of a soil pipe provides for a water closet InIJM!CtioD four feet or more above ground level, measured from the floor level of ~~~ the water closet to ground level at the foot of the s'tack, an inspection opening nine inches by four inches having a cover fixed to a flange with incorrodible bolts or studs shall be provided near the foot of the stack in such position as is directed by an inspector.

172. Inspection or cleaning eyes on metal soil pipes or metal waste Wuherl for

pipes shall be jointed with insertion or leather washers or in such other ~ approved manner as to seal the joint effectively against egress of gas or water.

Division IS.-Grease Traps. 173. Wastes from- Promtoa 01

(a) a fixture or area from which petrol, benzine or other =-0= inflammable or explosive material, or grease, oil, or greasy or oily matter is likely to be discharged or conveyed into a waste pipe or drain;

(b) a sink in a food packing house, butcher's shop, lard rendering establishment, hotel, restaurant, boarding house or the like; or

(c) such other fixture, apparatus or area as the Engineer specifies in writing to the proprietor,

shall first discharge into an approved apparatus for retaining objectionable matter.

174.-{1.) Unless the Engineer otherwise approves, a grease trap shall ConatractfoD not be constructed inside a building or outbuilding. ofar- Ira"",

(2.) A grease trap shall be so sited and constructed as to readily permit the removal of grease, or shall be easily portable.

(3.) A portable grease trap shall be of copper or other approved material fitted, if the Engineer so orders, with a tray or safe, and a nonportable grease trap shall be built of glazed earthenware, concrete, brick in cement or other approved material and the outlet from any grease trap shall connect to a disconnector trap.


175.-(1.) The size of a grease trap shall he as ,the Engineer orders within the limits of the following requirements:-

(a) the capacity of the grease trap below the invert level of the outlet shall be not less than the total capacity of all sinks and dish-washing machines connected to the grease trap;

(b) the height of the grease trap from the top of the outlet to the vent take-off shall be not less than four inches; and

(c) the difference in levels of the inverts of the inlet and the outlet of the grease trap shall be not less than one-eighth of the depth of the trap below the outlet invert.

(2.) For the purposes of this regulation, the capacity of a sink shall be measured to the overflow level of the sink and, if there is no overflow, to the top of the sink; and the capacity of a dish-washer shall be the capacity of the sump or water container.

Constructioaot 176. A petrol and oil trap shall be constructed to the approval of the =~ aud oil Engineer and shall be connected to a disconnector trap and provided with

independent ventilation, the outlet of which is made flame-proof by soldering approved fine mesh bronze gauze over the opening.

Main_of mpl.

Provision for _ter closets. Sub-rec. (1.) ameuded by 1966, No. I.

Substituted ." 1966. No. 1.

Water dOllll forho~ __ _ ~"'-

177. An outlet pipe from a trap other than a fixture trap shall have a cross section area not less than the total of the cross section area of incoming waste pipes and shall in no case be less than three inches in diameter unless the Engineer otherwise approves.

178. The occupier of a property in which a silt, grease, petrol or oil trap or the like is situated is responsible for ensuring that it is regularly cleaned and maintained and kept in efficient operation.

Division 19.-Water Closets and Flushing Apparatus.

179.~(1.) At least one water closet approved by the Engineer shall be provided for each house, building or allotment required by notice under regulation 9 of these Regulations to be connected with the sewer and for each tenement or flat.

(2.) Where by notice under regulation 9 of these Regulations a proprietor is required to connect his property to a sewerage system on or before a date specified in the notice, the proprietor shall ensure that no privy closet, other than a water closet approved by the Engineer, is used on the property-

(a) after that date, unless further time for the connecting is allowed, in writing, by a person authorised to serve a notice under that regulation; or

(b) after the date of expiry of such further time for the connecting as is allowed, in writing, by such a person.

180.-(1.) Provision shaIl be made for water closets for hotels, offices, lodging houses, places of amusement, shops and the like in accor~ with the scale specified in regulations relating to health and in force in the Northern Territory.


(2.) If no sc.ale is so specified, subject to the next succeeding sub,regu, Iation, water closets shall be provided-

(a) in a hotel, office, lodging house, place of amusement or shop, and, if the Engineer so orders, in other premises at the rate of-

(i) one water closet for every ten males; and (ii) one water closet for every ten females,

living or working on the premises;

(b) in a school or similar institution, at the rate of-(i) one water closet for every thirty-three males; and

(ii) one water closet for every twenty-five females, attending the school or institution; and

(c) in a public building used as a place of amusement or assembly at intermittent periods, at the rate of-

(i) one water closet for everyone hundred males; and (ii) one water closet for every one hundred females,

ordinarily frequenting the building when the building is so used.

(3.) Closets provided under this regulation for different sexes shall not adjoin each other unless the closets are separated by-

(a) a brick wall at least four and one-half inches thick, rendered on both sides;

(b) a stone wall at least four and one-half inches thick, rendered on both sides;

(c) a concrete wall at least four inches thick; or (d) a wall which is-

(i) of some other material approved by the Engineer; (ii) of a thickness approved by the Engineer; (iii) built to full ceiling height; and (iv) joined to the ceiling by means of a sealed joint.

( 4.) The owner of a building which is used for the purpose of a factory shall provide water closets for the use of male employees and water closets for the use of female employees at the building in accordance with the scale specified in regulations relating to health and in force in the Northern Territory or, where no scale is so specified, in accordance with the following scale:-

Number of Employees.

Not exceeding 100 Over 100 and under 200 Over 200 :: I

Proportion of Pans to Proportion of Pans to Female Employees. Male Employees.

1 to 20 1 to 25 1 to 25

1 to 25 1 to 30 1 to 40

--------------------------(5.) Where a computation of the number of water closets required 10

be provided under this regulation results in a number which is not a whole number, the next highest whole number shall be deemed to be the number of water closets required to be provided under this regulation.

1013

1014

Airlock.s for water clOlell.

Ventilation of water closets and airlocka.

Sewerage Regulation.!

181.-(1.) Subject to this regulation, a water closet or urinal apartment within a building shall be located so as not to be entered directly from a room used for human habitation or for the manufacture, preparation or storage of food for human consumption or used as a factory, workshop, workplace, office, schoolroom or public room.

(2.) Where, without the provision of an ante-chamber or airlock, a water closet or urinal to which the last preceding sub-regulation applies would be located so as to be entered directly from a room specified in that sub-regulation, an ante-chamber or airlock shall be provided having a floor area not less than twenty square feet and lighted and ventilated in accordance with the provisions of the next two succeeding regulations.

(3.) An airlock is not required where a water closet within a building is intended solely for the private use of not more than two persons and opens off a room normally occupied only by those persons if-

(a) the room is not used for the manufacture, preparation, storage or consumption of food or as a factory, workshop, workplace, office, schoolroom or public room;

(b) the ventilation is so arranged that a current of air is in circulation through the water closet independently of the room from which it opens; and

(c) the door of the water closet is fitted with an approved selfclosing device.

( 4.) In a private residence an airlock is not required for a water closet opening on to a well-ventilated hall~ lobby, passage or staircase.

(5.) An airlock is not required where ventilation is provided in accordance with sub-regulation (4.) of regulation 182 of these Regulations.

182.-(1.) Subject to sub-regulations (2.) and (4.) of this regulation, a water closet, urinal apartment or airlock within a building shall comply with the following requirements:-

(a) one of its sides shall be' an external wall of the building abutting on to a street or lane or an open space within the premises having a width not less than four feet and shall have an area not less than-

(i) in the case of a first story above floor level on which fixtures are provided-thirty-six square feet;

(ii) in the case of a second story above floor level on wl!lieh fixtures are provided-seventy-two square feet; or

(iii) in the case of any other story above floor level on which fixtures are provided--one hundred square feet;

(b) in the case of a urinal apartment, the apartment shall be provided with adequate means of constant fresh air ventilation through ventilators or glazed louvres and the effective area provided for outlet ventilation shall be not less than twenty four square inches clear area per pan, stall or slop sink; and

(c) the apartment or airlock shall not be ventilated to any room used for human habitation or for the manufacture, preparation or storage of food or used as a facto.ry, WGl"ksfiop, or workplace.


(2.) Subject to the approval in writing of the Administrator being first obtained, a water closet or urinal apartment in a building other than a hospital or similar institution complies with the ventilation requirements of these Regulations if the following conditions are fulfilled-

(a) in a building of not more than four stories (measured from the floor of the lowest water closet or urinal apartment to be ventilated) the water closet or urinal apartment shall abut on to a ventilating shaft-

(i) open to the sky; (ii) carried up to such height as is necessary to prevent

the deflection of wind currents down the shaft by neighbour structures;

(iii) on which no room other than a water closet, urinal apartment or bathroom opens; and

(iv) of which no dimension is less than four feet;

(b) the area of a ventilating shaft specified in the last preceding paragraph and the maximum number of water closets and urinals to be served by the ventilating shaft shall be as shown in the following table:-

Minimum Area of Ventilating Shaft. MaoWnUID Per-missible number

Heiaht of Ventilating of Water Closet Shaft in Stories.

1 or 2

30r4

Area Pans or Urinals on From. To. (Square feet). a Venti1atin&

Shaft.

.. .. Gcound floor Roof 16 4

{ Ground floor Second floor 16 } .. Second floor Third ftoor 20 10 Third floor Roof 24

(c) in a building in which a ventilation shaft is three or four stories in height and in a basement or cellar in any building every water closet or urinal apartment shall be provided with, in addition to a ventilating shaft which complies with the provisions of the last two preceding paragraphs, a ventilating duct carried through the roof and fitted with an approved cowl designed (at the option of the owner) to give a positive updraft or a positive downdraft;

(d) the ventilating duct and cowl specified in the last preceding paragraph shall be capable of changing the air in each apartment served by it at least four times per hour in the case of private apartments and six times per hour in all other cases when subject to a wind velocity of four miles per hour, the inside temperatures and outside temperatures being equal;

(e) the minimum area of any ventilating duct shall be twenty-five square inches for each water closet pan served by the duct, whether the vennlating duct is a single duct serving only one apartment or a combined duct serving more than one apartment; and

1015'


LIghting of water closets and airlocks.

(I) a water closet or urinal apartment which abuts on to a ventilat-ing shaft shall have a window capable of being opened to the ventilating shaft with an effective glass area of not less than four square feet and not less than one-fifth of the floor area of the apartment and shall be provided with ventilating openings or louvres to the ventilating shaft having a total area through which air may pass of one square foot per water closet pan.

(3.) A water closet or urinal apartment or airlock shall be constructed' so that all walls (other than external walls or those opening on to a ventilating shaft) and the ceiling of the closet or apartment are of airtight construction, except to the extent necessary for the provision of doorways, and are provided with close fitting doors.

(4.) A water closet, urinal apartment or airlock may be ventilated by a mechanical system of exhaust ventilation, which complies with such requirements as the Administrator in writing directs.

183.-(1.) Except as provided in the next succeeding sub-regulation each water closet apartment or airlock within a building shall be provided with a window or glazed louvres, opening directly into the external air, of not less than two square feet of clear light area per pan, urinal or slop sink.

(2.) An apartment ventilated in accordance with sub-regulation (2.) or (4.) of the last preceding regulation shall be separately lighted by electricity or other approved means of artificial light and provided with a separate switch inside the apartment.

CoDStructlOD or 184.-(1.) Each closet apartment shall be not less than two feet nine water closets. inches wide and five feet long, clear inside measurement, and the walls of

each closet apartment shall be at least seven feet high at the lowest part.

(2.) The floor of each water closet apartment shall be of concrete not less than three inches thick or of other approved impervious material graded as ordered by the Engineer or the floor shall be provided with a safe of lead or other approved material in accordance with the requirements of regulations 222, 223 and 224 of these Regulations.

(3.) In a wooden water closet the bottom plates and plinths shall be of approved hardwood and the frame shall be securely fastened to the floor and made rigid without attachment to a fence or wall.

(4.) The door of every external water closet or urinal apartment shall be properly screened to a height of at least six feet six inches and to within twelve inches of the ground and, if the Engineer so orders, a screen shall be fixed to prevent the closet or apartment from being visible from overlooking windows.

185.-(1.) On a concrete floor or a floor of tiles set in concrete a water closet pan shall be securely bedded upon concrete or cement mortar or fixed by other approved means.

(2.) Where the floor of a water closet or urinal apartment is of timber it shall be covered with an apron of lead or other approved impervious material and the base of the pan shall be secured by means of brass screws as the Engineer orders or by other approved means.

Sewerage Regulations 10t7

186.-(1.) A water closet shall be furnished with a pan of non· Closet pUll.

absorbent material of such shape, capacity and construction as the Engineer approves.

(2.) A water closet pan and its fittings shall be entirely open to inspection and without any enclosure.

(3.) A vent horn shall be provided on each pan even if an anti-siphonage vent is not required but if not used for a vent the vent horn shall be sealed by means of a lead disc bituminous filler and a lead cap piece or by other approved means.

187.-(1.) Where a seat is provided for a water closet, the seat shall Closet pan

be of approved size, shape, construction and material and fitted with hinges seat ••

and screws of in corrodible metal and, except with the special approval in writing of the Engineer, a seat of the full round type shall conform with the Australian Standard Specification known as A.S.S. A 51-1946.

(2.) When constructed of wood, a one-piece seat shall be reinforced with two or more wood or brass slips let in flush with the underside and multi-piece seats shall be either glued and dowelled or bolted.

188.-(1.) Approved apparatus shall be provided for the effective appli- Flusblng

cation of water to the pan of the water closet and the efficient flushing and apparatus.

cleansing of the pan and the effective removal from the pan of any solid or liquid matter.

(2.) The apparatus shall have a flushing capacity of not less than two gallons and not more than three gallons, shall be in conformity with the Australian Standard Specification known as A.S.S. A 52-1946 and shall be so constructed, fitted and placed as to supply water for use in the pan without any direct communication with any service waterpipe on the premises.

189.-(1.) Flushing cisterns shall be fixed at such height as will effec- ~usblng tively flush the pan but, subject to this regulation, except by permission in CISterns.

writing of the Engineer, a cistern shall not be fixed at a less height, measured from the top of the seat to the bottom of the cistern, than five feet where one and one-quarter inch flush pipe is used or four feet where one and one-half inch flush pipe is used and there shall be a distance of at least nine inches between the top of the cistern and the ceiling of the closet.

(2.) A cistern shall have a separate stopcock and an overflow threequarters of an inch in internal diameter.

(3.) A low level flushing cistern may be installed by permission in writing of the Engineer if the flush does not exceed three gallons and the suite has been passed by the Engineer after test as a complete unit.

(4.) A low level cistern fitted with flush pipes less than two and one-half inches in internal diameter shall be placed so that the bottom of the cistern is not less than eight inches above the top of the pan.

(5.) Cisterns shal1 be fixed on one and one-half inch angle iron bearers or approved iron brackets properly supported or shall be fixed, if the Engineer in writing so permits, to a cistern board not less than twelve inches deep and one and one-quarter inches thick fixed to the wall in the approved manner; and the ironwork shall be galvanized or painted to the satisfaction of the Engineer and brackets shall be secured to the wall with one quarter inch bolts of the required length.


(6.) Water supply pipes to cisterns shall be adequate to fill the cistern at a rate of not less than one-half gallon per minute when one other tap on the service is turned full on.

PlIIIh plpeI. 190.-(1.) Flush pipes to water closet pans shall be of brass, copper, six pound lead, seamless galvanized steel tube of a thickness eighteen gauge or thicker or other approved material and shall have a minimum diameter of one and one-quarter inches.

(2.) Flush pipes shall be fitted with an approved buffer and buffer block where the water closet pan is provided with a hinged seat.

PluahIna 191. A flushing valve used in connexion with a flushing apparatus other :r-c::!u~ than a cistern shall be of a type tested and approved by the Engineer and

shall be provided with a full-way stopcock fixed in such a position as to be readily accessible; and the flushing apparatus shall be fed only from a storage tank which is supplied from the main to a ballcock with an approved air gap.

llOnp taDb. 192.-(1.) Where the Engineer so orders, an internal water closet shaD be provided with a storage tank capable of holding the equivalent of two flushes of water for each occupant of the building, but having a minimum capacity of twenty flushes per water closet or urinal stall in the case of all buildings except private residences, in which a storage tank shall have a minimum capacity of ten flushes.

(2.) Unless otherwise approved by the Engineer a storage tank shall be placed-

(a) in the water closet apartment, on the roof or over a fiat or gutter; or

(b) in an accessible place between the ceiling and the roof over a safe of galvanized iron, lead or other approved imperviOUl material with an overflow at least one and one-half inches in diameter.

(3.) Every storage tank shall be provided with an approved cover.

(4.) The head of water measured vertically from the top water level of the storage tank to the point of discharge into a cistern shall be not less than seven feet but the head in the case of discharge into a flush valve shall be such that the valve operates satisfactorily in such tests as are required by the Engineer.

(5.) A water supply pipe from a storage tank to a cistern shall be not less than-

(a) three-quarters of an inch in diameter, if the pipe supplies one or two cisterns;

(b) one inch in diameter, if the pipe supplies more than two but not more than six cisterns;

(c) one and one-half inches in diameter, if the pipe supplies more than six but not more than twenty-five cisterns; or

(d) two inches in diameter, if the pipe supplies more than twentyfive but not more than fifty cisterns.

(6.) Where the head of water from a storage tank to a flushing cistern is less than twenty feet a low pressure ball valve shaD be provided.


(7.) A water supply pipe from a storage tank to a flush valve shall be DOt less than the size determined from-

(a) the available head measured vertically in stories from the level of the first flush valve served by that portion of the supply pipe under consideration to the normal water level in the storage tank; and

(b) the total number of flush valves served by that portion of the supply pipe the size of which is under consideration,

in accordance with the following table:-

Maximum Pormissiblo Number of Flush Valves Served by Portion of Snppiy Pipe

Unci« ConsideJ"a1ion. Diamotor of Portioa AvaIlablo Head in Stories. of Supply Pipe.

Galvanized Wrought Iron Pipe.

Copper or Brass Pipe.

inches. 1 .. .. .. . . t 2 1l-

10 IS 2 30 SO 2i-

2 .. .. .. .. 2 3 It IS 30 2 SO ISO 2i-

s .. .. .. .. 2 4 H 2S SO 2

100 ISO 2l-

(8.) Where the capacity of a tank exceeds SO gallons it shall be fitted with a fullway valve on the main outlet.

(9.) Where the Administrator so orders, storage tanks in accordance with this regulation shall be provided for all external water closets at a hospital or similar institution.

1019

193.-(1.) Unless the Engineer otherwise orders or permits, a water VeadDa r closet pan, slop sink or urinal on an upstairs floor shall discharge into a =."::' soil vent pipe. alop IinkI.

(2.) Notwithstanding the provisions of the last preceding sub-regulation, where there is no other :fixture connected to the soil stack, the pan may be ventilated by an anti-siphonage vent only, in accordance with the provisions of regulations 101 and 120 of these Regulations and may discharge into a soil pipe without extension as a vent pipe.

(3.) An external water closet pan in which siphonage occurs and an internal water closet pan shall be ventilated by an anti-siphonage vent in accordance with the requirements of regulation 120 of these Regulations sufficiently close to the trap to prevent siphonage and not more than eighteen inches from the trap, but where there is only one water closet pan on the branch and that water closet pan is not more than four feet from a soil vent pipe, the distance being measured horizontally between the centre of the vent pipe and centre of the pan, the antIi.-siphonage vent may be omitted.


Oroupecl 194. Where there are more than three external water closet pans external close ... grouped on the ground floor or in the yard of any property, the drain or

soil pipe which takes the discharge from the pans shall be separately ventilated for every group or part of a group of three water closet pans and the size of the vent shall be in accordance with the requirements of regulation 120 of these Regulations but alternatively each water closet pan may be vented by an anti-siphonage vent pipe.

Provision of urinals.

Internal uriDaIs.

Division 20.-Urinals and Flushing Apparatus.

195.-(1.) Urinals on premises licensed for the sale of fermented or spirituous liquors and on premises used as a factory, workshop, workplace, shop, office, public building or school where persons of the male sex are employed or are in attendance shall be of such size and number as to comply with the laws relating to health in force in the Northern Territory.

(2.) Subject to the last preceding sub-regulation, if the number of persons of the male sex employed or in attendance on the premises does not exceed ten, a urinal need not be fixed if the closet has a pedestal pan with a hinged tip-up weighted seat.

(3.) Subject to this regulation, urinals shall be provided for all males employed or in attendance on premises specified in sub-regulation (1.) of this regulation at the rate of one stall for every fifteen males.

(4.) Subject to sub-regulation (1.) of this regulation, in a public building used as a place of amusement only at intermittent periods, urinals shall be provided at the rate of one for every seventy-five males ordinarily frequenting the building at a time when the building is so used.

(5.) Where a computation of the number of urinals required to be provided under this regulation results in a number which is not a whole number, the next highest whole number shall be deemed to be the number of urinals required to be provided under this regulation.

196. The position, approaches, arrangement of lighting and ventilation of an internal urinal shall comply as nearly as possible with the provisions of these Regulations relating to the position, approaches, arrangement of lighting and ventilation of internal water closets.

Construction of 197.-(1.) Except by permission in writing of the Engineer only round uriDaIs. backed stall pipe urinals of approved impervious material and construction

shall be used for internal urinals.

(2.) The soil pipe of a urinal shall be of glazed earthenware, glass enamelled or coated cast iron, lead or other approved material and shall be kept as short and free from bends as possible and provided with inspection openings as the Engineer orders.

(3.) A urinal shall be provided with approved flushing apparatus and a hose tap in a suitable position for hosing down.

(4.) The floor in front of a urinal shall be covered with an approved impervious material for a width of not less than two feet or, if raised above the floor level of the urinal apartment, not less than one foot six inches and shall be graded to drain to the urinal.


198. For the purposes of the last preceding regulation the following Impervious material •.

materials shall be deemed to be impervious:-(a) for urinals-glazed fireclay, glazed earthenware, stainless steel

and steel trowelled cement rendered concrete of approved quality; and

(b) for floors in front of urinals-glazed tiles set in cement mortar composed of equal parts of cement and sand, concrete four inches thick rendered with cement mortar one half-inch thick, slate and marble.

199.-{1.) A urinal range installed on an upper or suspended floor Provision oC shall have an independent outlet and a separate channel for each stall. safes.

(2.) Notwithstanding the provisions of the last preceding sub-regulation, the Engineer may permit the installation of a urinal range having a channel ,common to several stalls on condition that special care is taken to make the channel joints between the stalls water-tight and that an approved safe and an approved drain are fixed.

200.-(1.) With the approval of the Engineer, an external urinal may External

be constructed in an approved position of approved slabs of slate or other urinala.

impervious material. (2.) All fastenings of an external urinal shall be of brass. (3.) Channels of an external urinal let into a floor shall be of glazed

earthenware six inches wide of semi-circular section and graded to the outlet with an even fall of half an inch to the foot.

(4.) An outlet shall be provided for-(a) each ten feet of a channel of an external urinal; and ( b ) any portion of ten feet of a channel of an external urinal for

which no outlet is provided under the last preceding paragraph.

(5.) The floor in front of an external urinal shall be constructed in accordance with regulations 197 and 198 of these Regulations.

( 6.) Subject to this regulation, an external urinal and a channel of an external urinal shall comply with regulation 196 of these Regulations.

201. Pull and chain flushing systems or other approved apparatus Flushinl operated by hand shall be fixed on all urinals unless the Engineer permits apparatua.

or directs the fixing of an automatic flushing system.

202.-(1.) The discharge from a cistern installed for a urinal shall be ~ushina equal to one gallon for each urinal stall or for every two feet of slab ClSterDa.

backed urinal except where otherwise approved by the Engineer but in no case shall a cistern larger than a three gallon cistern be used.

(2.) The height of the cistern shall, unless the Engineer in writing permits otherwise, be at least six feet six inches from the floor slab immediately in front of the urinal to the bottom of the cistern and there shall be a clear space of at least nine inches between the top of the cistern and the ceiling of the urinal apartment.

(3.) A urinal flushing cistern shall be provided with a suitable cover and a separate stopcock.

.1022

Fluh plpee.

Flush valve. r r urinaII.

.Iop IIDb.

Ventilation, liabl, .tc.


103.-(1.) A flush pipe for a urinal not automatically flushed shall have a minimum diameter of one and one-quarter inches but a ,i1u&h pipe for an automatic flushing system shall not have a diameter exceeding-

Ca) for a one gallon cistern-three-quarters of an inch; (b) for a two gallon cistern-one inch; or (c) for a three gallon cistern-one and one-quarter inches.

(2.) For a flush pipe three-quarters of an inch in diameter, one spreader only, for a flush pipe one inch in diameter, two spreaders only and for a flush pipe one and one-quarter inches in diameter three spreaders only may be fitted.

(3.) A saddle or bridle piece shall not be affixed unless it is necessary to do so, the pipe is of an approved diameter and any pipe clips. bolts and screws used in the fixing are of brass or copper.

( 4.) Each stall in a urinal range shall be provided with a separate spreader; and where slab urinals are permitted the distance between spreaders shall not exceed two feet.

(5.) A sparge pipe shall be of an approved diameter and perforated by being drilled with perforations one-eighth of an inch in 'diameter spaced at one and one-half inch centres or as approved by the Engineer.

204. Where flush waIves are permitted by the Engineer, every urinal flush valve shall be supplied from a storage tank which complies with the requirements of regulation 192 of these Regulations.

205. A slop sink shall be made in one piece of approved impervious material and provided with approved flushing apparatus with a capacity of not less than two gallons and not more than two and one"half gallons.

106. A slop sink shall be so placed and ventilated as to comply with the provisions for water closets set out in regulations 181, 182, 183 and 193 of these Regulations.

Division 21.-Wash Troughs.

207.-(1.) A wash trough shall be-(a) of approved pattern and material; ( b) securely fixed and graded to the outlet pipe; ( c ) fitted with a brass strainer sunk to the level of the bottom of the

trough; and (d) properly mounted on approved concrete or brick in cement

pedestals or as the Engineer otherwise approves.

(2.) A water tap shall be constructed over each wash trough unless the Engineer in writing permits otherwise.


Division 22.-Sinks, Baths and Lavatory Basins.

209.-(1.) A sink or approved combined sink and draining board shall FWnSllnka.

be effectively supported; and a trap or waste pipe which serves a sink shall be left readily accessible for inspection and cleaning.

(2.) The draining board may be of wood, stainless steel, other approved metal or composition.

(3.) A wooden draining board attached to a sink shall be constructed of suitable timber not less than one and one-quarter inches thick and shall be properly fluted and graded into the sink and bedded on top of the sink with white lead putty.

210. A bibcock shall be fixed directly over and at least eighteen inches Bibcocks?Yer above every cleaners sink. cleaners aink&.

211. The bottom of a galvanized sheet iron bath shall be effectively Galv&!Jized supported on legs and the bath shall not be enclosed. ~~ trOD

212.-(1.) A cast iron or fireclay bath with flanges built for the purpose Built-ID.

may be built in subject to the conditions that- ~'::~aD4 (a) the space around the bath shall be filled with concrete; or baths.

(b) a space shall be left between the bath and enclosure, the floor shall be rendered impervious and graded in an approved manner, the space shall be ventilated by at least two openings of approved design each of twenty square inches clear open-ing, in approved positions, all holes in the floor and enclosure being screened to prevent the passage of insects, and the enclosure shall be of approved impervious material.

(2.) A sunken or built-up bath may be installed only in accordance with such requirements as the Engineer determines.

213. Where a bath trap is fixed on the outside of a wall it shall in no Bath tralJl,

case be more than three feet from the outlet of the bath unless the Engineer in writing permits otherwise.

214. Where it is not desired to flash a bath the bath shall be fixed with Baths withoDt a space of at least six inches clear of any wall. tlashiDa.

215.-(1.) The floor of a shower compartment shall be- Shower • ., compartmllDlI.

(a) graded to an approved trapped outlet two IDches ID dIameter; and

(b) constructed, so that in the opinion of the Engineer the floor is not made slippery when water is on it, of-

(i) concrete not less than four inches thick and trowelled smooth;

(ii) other approved impervious material; or (iii) timber covered with enamelled cast iron, approved

impervious non-corrodible sheet metal or other approved material turned up at the edges and flashed in accordance with the provisions of regulation 125 of these Regulations.

1024

Showenover baths.

Ventilll of Iavatol')'basfm.

~tlDaOf disc:hargina into sreuo traps.

FiDngof Iavatol')' basiDlI and 1iDkI.

Tip-up baaiDa.

Groundftoor Ihowen.

SaI'eI wben required.


(2.) The level of the grating on the outlet shall be at least two inches below the level of the floor outside the shower compartment or, where a kerb is provided, two inches below the level of the kerb.

(3.) The walls of a shower compartment shall be-(a) finished with cement mortar rendered to a smooth surface; (b) covered with tiles set in cement mortar; or (c) lined with an approved impervious incorrodible material.

(4.) A separate outlet two inches in diameter shall be provided for(a) every two showers; and (b) every shower for which an outlet is not provided under the last

preceding paragraph, unless the Engineer in writing permits the provision of approved gullies and a larger outlet.

216. A shower shall not be fixed over a bath unless-(a) any wall within a radius of three feet is of an impervious nature

and the floor of the room in which the bath is placed is constructed of approved impervious material graded to a floor waste; or

( b) the bath is provided with an approved shower shield attachment.

217.-(1.) A lavatory basin which is not one of a range of lavatory basins shall be provided with an anti-siphonage vent unless the length of waste pipe does not exceed four feet (measured from crown of trap to outlet in the waste pipe) and siphonage does not occur.

(2.) The ventilation of lavatory basins in a range of lavatory basins may be effected by means of a single vent pipe at the upper end of the range, if the vent and main waste pipe are sufficiently large to prevent siphonage.

218. A kitchen sink discharging into a grease trap shall be vented.

219.-(1.) A basin or sink shall be of an approved type and shall be bolted to the wall in an approved manner except in the case of an approved pedestal basin.

(2.) A basin or sink shall have an adequate overflow passage unless the Engineer in writing permits otherwise.

220. Ti~up lavatory basins are not permitted.

221. Where no fitting other than a shower is provided in a bathroom on a ground floor a four inch earthenware or concrete trap fitted with brass grating shall be used for the drainage of the floor.

Division 23.-Safes and Overflows. 222. Unless the floor is constructed of concrete not less than three

inches thick or of other approved impervious material, graded as the Engineer orders, a safe of lead or other approved impervious material shall be fitted under each slop sink and water closet and under each bath and wash trough where, in the opinion of the Engineer, there is a likelihood of damage or nuisance being caused by an overflowing of the bath or trough.


223.-(1.) A lead safe shall be laid with sheet lead wcighing not less Lead safes h fi f I h h I fl · d'th under fixtures. t an ve pounds per square oot; and un ess t e woe oor IS covere Wl

lead the safe under a pan or slop sink shall extend twelve inches beyond the side and fifteen inches beyond the front of the fixture and the safe under a bath or wash trough shall extend twelve inches beyond the side and two feet beyond the front of the fixture.

(2.) A safe shall extend back to and three inches up the wall and shall be flashed to the wall; and the roll of the safe shall be two inches wide and one-half of an inch high and constructed to the satisfaction of the Engineer.

224. Unless the Engineer in writing otherwise permits, a safe shall be Safe overflow •.

drained by a separate pipe two inches in diameter provided at the inlet with a brass grating and at the outlet into the open air with a flap valve of brass or other approved metal and shall not connect with a waste pipe, soil pipe, drain or sewer; and the overflow shall discharge in some conspicuous place.

225. A cistern supplied with water shall have an overflow pipe of Cistern

adequate size discharging in a position where it will not cause damage but OvertlOW8.

will act as a warning pipe; but on a ground floor where a cistern is fixed over an impervious floor graded to drain outside the room, the overflow may discharge on to the floor unless the damage is likely to arise if the overflow so discharges.

226.-(1.) An overflow may discharge into the open air above ground DischargertleB 1 l 'f h d' h'll .. . from ov OWl. eve 1 t e ISC arge Wl not cause any Inconvemence or nUIsance.

(2.) Subject to the last preceding sub-regulation, the pipe of an overflow shall be brought to the ground surface or shall be arranged to be discharged where the pipe will not cause any inconvenience or nuisanc'e.

Division 24.-Existing Fixtures, Fittings, etc.

227.-(1.) If the Engineer is of the opinion that it is necessary that Existing ftoors.

an existing floor under or adjacent to a fixture should be regraded, the Administrator may order the owner of the floor to regrade the floor and fix a proper waste pipe to the floor.

(2.) Where the Administrator gives an order under the last preceding sub-regulation he may also order the owner of the floor to fix a flap valve to the waste pipe.

(3.) A person to whom an order under this regulation is given shall comply with the order.

228. Except with the written permission of the Administrator and on Exhausts, &0.

such conditions as he may lay down, a steam exhaust pipe, blow-off pipe or drip pipe shall not be connected to a drain pipe, soil pipe, waste pipe or combined waste pipe.

229. An existing fixture, fitting or appliance, not in accordance with Existing

these Regulations, which the proprietor desires to retain unaltered and tt=.'.t.c. undisturbed and which in the opinion of the Administrator will be inoffen-sive may remain at the request in writing of the proprietor until such time as the Administrator otherwise orders, but existing fixtures, fittings and appliances which in the opinion of the Administrator are offensive shall be removed within such reasonable period as the Administrator specifies in a notice in writing to the proprietor directing their removal.

1026

1Dapecd0D oC private premjIa.

l!DU7 for 1Dne1.

Entry Cor construction. Sab-reg. (1.) _ded.". 1_ N • .c.

Ameaded.". 1lI6O. N • .c.


230.-(1.) A drainpipe, a soil pipe, waste pipe or vent pipe or a fixture or fitting which is laid, used or constructed otherwise than in accordance with these Regulations or without proper authority under these Regulations or which in the opinion of the Engineer is or has become defective shall, upon notice in writing from the Administrator to the proprietor or occupier of the property, or in the case of joint drainage, to the proprietor or occupier of each of the several properties jointly drained, be removed, altered or repaired by the proprietor or occupier as required by the Administrator, within the time fixed in the notice and to the satisfaction of the Engineer.

(2.) A proprietor or occupier who fails to comply with the requirements of a notice given him in pursuance of the last preceding sub-regulation is guilty of an offence and the Administrator may if he thinks fit remove, alter or repair the defective fixture, fitting, apparatus or pipe and furnish to the proprietor or occupier of the property an account of the cost so incurred and proceed for recovery of the amount of the account in the manner provided by regulation 248 of these Regulations.

(3.) An occupier of property shall cleanse and keep clean a drain OD

the property connected to a sewer and where ,the drain is used as a common drain by an occupier of other property the cost of cleansing the drain and keeping it clean shall be borne equally by each occupier so using the drain.

(4.) An occupier of property shall maintain and keep clean all silt, grease and oil traps and similar fixtures on the property and shall keep clear at all times all ventilation openings into and from drains, soil pipes or waste pipes on the property.

PART VI.-MISCELLANEOUS.

231. The Engineer, an inspector or a person authorized in writing by the Administrator to do so may inspect a drain, fixture, fitting, pipe, appliance or connexion and may for that purpose at any reasonable time in the day-time enter upon the premises or land to, on, through or into which a sewer, drain, soil or waste pipe has been laid and may cause the ground to be opened in any place where he considers it necessary to do so for the inspecting, doing as little damage as may be.

232. For the purposes of survey or design or house drainage or sewer reticulation, the Engineer, an inspector or an authorized officer or employee of the Commonwealth may at any time during normal working hours enter any land, building or dwelling for the purpose of surveying, inspecting fittings or inspecting the setting out of drainage or sewerage works.

233.-(1.) Not less than fourteen days after the date of publication in the Gazette of a notice under these Regulations declaring an area to be a Sewerage District, the Engineer may serve on the proprietor and, where the proprietor is not the occupier, on the occupier of any land within the Sewerage District a notice that it is proposed to commence operations on the land for or in relation to the construction of 'a sewer or drains.

(2.) Not less than fourteen days after notice has been served in accordance with the last preceding sub-regulation, the Engineer or a person authorized by the Engineer in writing to do so may enter upon the land for


the purpose of constructing a sewer or drain or the appurtenan<:es of a sewer or ~ain and perform any act necessary or convenient for that purpose.

1027

(3.) The proprietor and the occupier of land upon which the work of Subltitatld., constructing the sewer or drain is' or is proposed to be commenced shall 1960, No ....

give all assistance reasonably required by the Engineer or person authorized in accordance with the last preceding sub-regulation in pmviding necessary access of plant and materials.

( 4.) Where a person who is the proprietor or occupier of land to which Iaserted., the last preceding sub-regulation applies suffers loss or damage by reason 1960, N ....

of the exercise, in relation to the land, of the powers conferred by this regulation, the person ascertained in accordance with the next succeeding sub-regulation is liable to pay to the first mentioned person suob. compensa-tion as is determined in accordance with sub-regulation (6.) of dD regulation.

(5.) The person liable to pay that compensation is- Iaserted., 1!16O, N ....

(a) where the loss or damage is suffered by reason of the act or omission of a servant or agent of the Commonwealth (not being a person to whom the next succeeding pamgraph applies) -the Commonwealth; or

(b) where the loss or damage is suffered by reason of the act or omission of-

(i) a proprietor; or (H) a servant or agent of a proprietor,

authorized in accordance with sub-regulation (2.) of this regulation ·and connecting with a sewerage system property of which he is the proprietor-that proprietor.

(6.) The amount of compensation recoverable under this regulation Iaserted., shall <be determined- 1960. N ....

(a) by agreement between the person suffering the loss or damage and the person liable to pay the compensation; or

( b ) in the a:bsence Q1f agreement, by action in a court of competent jurisdiction by the person sufiering the loss or damage against the person liable to pay the compensation.

234.-(1.) The Administrator may cause a manhole to be constructed in ~1.1D land without liability for loss or diminution of the value of the land to the ::,~. proprietor or occupier.

(2.) A manhole may be finished at up to three inches above the surrounding ground and the Engineer may cause a section of the ground to be levelled for an area of five feet square at a manhole.

(3.) The proprietor or occupier shall not alter or cause or permit to be altered the level of the ground so levelled surrounding the manhole nor shall the land be regraded to drain to the area without the written approval of the Administrator.

(4.) A building shall not be erected over a manhole nor shall a manhole be enclosed in any yard or pen used for retaining birds or animals.

21455/66.-II.-U

1028

Supply or water to fixtures.

Substituted by 1966, No. 1.

Material. condition, capacity, &c., of water supplY piping.

Fixtures not connected with sewers.

Proprietor to bear cost of connmoD.

Administrator may declare ICwetagc charge.

SlJb.rcg. (1.) ameoded by 1963, No. 7.


235.-(1.) All water closets and other plumbing fixtures shall be provided by the proprietor with a sufficient supply of water for flushing purposes to keep them at all times in a proper and cleanly condition.

(2.) Every proprietor of property who desires, or who has been required by a person authorised to serve a notice under regulation 9 of these Regulations, to provide sanitary appliances for his property, and to connect his property to a sewerage system shall, before or at the commencement of the work of making the connection, provide piping approved by such a person for the conveyance of water, and shall cause the piping to be joined at the most convenient water supply main.

(3.) Piping provided in pursuance of the last preceding sub-regulation shall be of a capacity sufficient to supply all sanitary fixtures on the property freely and continuously, and to convey to the flushing cistern, flushing tank or other flushing apparatus of each water closet upon the property enough water to fill the cistern, tank or apparatus at a rate of not less than one-half gallon per minute when one other tap on the service is turned full on.

( 4.) The proprietor shall cause the piping to be connected with the cistern before the completion of the work.

(5.) The water supply to any fixture shall be so arranged that there is an actual physical discontinuity be'tween the water stored or used in the fixture and the water in the water service pipes, and this shall be secured, unless the Engineer in writing permits the use of some other method, by providing that the discharge from the water service pipe is always above the surface of the water in the fixture.

( 6.) Reliance shall not be placed on a mechanical device such as a check valve to prevent the back flow of polluted water into the water supply system, but a mechanical service approved by the Engineer may be used as a supplementary safeguard.

236. The entire length of the water supply piping from its connexion with the water supply main to the water closet flushing cistern or other fixture shall be such as is, in the opinion of the Engineer, suitable as to material, condition and capacity for conveying a sufficiency of water for the sanitary requirements of the building containing the water closet.

237. A water service pipe shall not be laid to supply a fixture in a property in a sewered area unless the fixture is connected with the sewerage system or unless permission in writing has been previously given by the Engineer to so lay the water service pipe.

PART VII.-CHAROES AND PENALTIES.

238. The proprietor of a property shall bear the cost of connecting the property to a sewerage system.

239.-(1.) The Administrator may, in any year commencing on the first day of January, declare for a Sewered Area a sewerage charge, being a sewerage charge approved by the Administrator in Council, to be the sewemgecharge for the yearly period commencing on the first day of July of that year.

(2.) A declaration under the last preceding sub-regulation shall be by notice in the Gazette and in at least one newspaper circulating in the Sewered Area.


(3.) Where the Administrator does not, prior to the first day of July in Amended by

any year, declare a sewerage charge for that year under sub-regulation (1.) 1963. N .7.

of this regulation, the sewerage charge last declared under these Regula-tions shall be the sewerage charge for the yearly period commencing on the first day of July of that year.

240.-(1.) Subject to these Regulations, a sewerage charge for a yearly Sewerage

period is payable in respect of land if the land is- ~~:'''"Pa;:blO. (a) connected to a sewerage system; or Substituted b,.

I h I . bId hi h . '11 1964. No. 16. (b) dec ared under t ese Regu atlOns to e an w C IS or WI

be served by a sewer. (2.) Subject to these Regulations, a sewerage charge payable in respect

of land is payable by-(a) in the case of land that is leased or deemed to be leased under

section six A of the Crown Lands Ordinance 1931-1964 the person to whom it is leased or deemed to be leased under that section; or

(b) in ,any other case, the proprietor of the land.

241.-(1.) A sewerage charge is not payable in respect of- Lands exempt d from sewerallO

(a) land which belongs to a religious body and is occupied an charges.

used-(i) solely in connexion with a church or other building

used or occupied for public worship; or (ii) partly in that connexion and partly in connexion with

a school; or (b) land which is occupied and used solely in connexion with a

school. (2.) The Administrator may, in his discretion, remit such portion as

he considers fit of a sewerage charge payable under these Regulations in respect of land used for church or school purposes.

242. Subject to these Regulations, the Administrator shall cause an Accounts (or

accout;lt to be furnished, as soon as convenient after the thirtieth day of :~~er. June m each year, to each person by whom a sewerage charge for a yearly period is payable showing the amount of the sewerage charge for the yearly period.

243.-(1.) Where, during a yearly period to which a sewerage charge SewerallO

relates, and after he has paid the charge, a person ceases to be the proprietor ~~~[t: ~~ of land subject to the charge, he may apply for repayment of portion of th,,!, a,early the charge. peno •

(2.) An application under the last preceding sub-regulation shall be in writing addressed to the Administrator and shall state-

(a) the date on which the applicant ceased to be the proprietor of the land in respect of which he has paid the annual sewerage charge; and

(b) the name of the person who became the proprietor of the land on that date.

(3.) On receiving an application in accordance with the last preceding sub-regulation and on being satisfied as to the date on which the applicant ceased to be the proprietor of the land and as to the payment by the


applicant of the sewerage charge for the current yearly period in respect of the land, the Administrator shall repay to the applicant a sum calculated in accordance with the next succeeding sub-regulation.

(4.) The sum specified in the last preceding sub-regulation shall be the sewerage charge for the current yearly period multiplied by the quotient obtained by dividing by twelve the number of calendar months between the end of the calendar month during which the application specified in sub-regulation (2.) of this regulation is lodged and the end of the yearly period in respect of which the sewerage charge has been paid.

(5.) Where a person ceases to be the proprietor of land subject to a sewerage charge he is liable for payment of any sewerage charge to which that land is subject and which is payable in respect of any period before the date on which he notifies the Administrator in writing that he has ceased to be the proprietor of that land.

( 6.) Where a person notifies the Administrator in writing that he has ceased to be the proprietor of land subject to a sewerage charge and the notification is given before an account is furnished in accordance with regulation 242 of these Regulations, the Administrator shall cause an account to be furnished to the person showing the amount of sewerage charge payable, calculated by multiplying the sewerage charge for the current yearly period by the quotient obtained by dividing by twelve the number of complete calendar months between the beginning of the yearly period and the end of the calendar month during which the notification is given.

(7.) A person furnished with an account under regulation 242 of these Regulations and an account under the last preceding sub-regulation is not liable to pay the account furnished under regulation 242.

(8.) Subject to these Regulations, where-(a) a person becomes, after the commencement of a yearly period,

the proprietor of land subject to a sewerage charge; or (b) a person is the proprietor of land which becomes, after the

commencement of a yearly period, subject to a sewerage charge,

the Administrator shall as soon as convenient cause an account to be furnished to the person which shall show the amount of the sewerage charge payable by the person in respect of the land.

(9.) The amount shown in an account under the last preceding subregulation shall be the sewerage charge for the current yearly period multiplied by the quotient obtained by dividing by twelve the number of complete calendar months between the beginning of the calendar month during which the person became the proprietor of the land or the land became subject to a sewerage charge, as the case may be, and the end of the yearly period to which the sewerage charge relates.

OUW..,. (10.) In this regulation, " proprietor" includes, in relation to land that 1964. No. 16. is leased or deemed to be leased under section six A of the Crown Laruh

Ordinance 1931-1964, the person to whom it is leased or deemed to be leased under that section, but paragraph (b) of sub-regulation (2.) of this regulation does not apply to or in relation to an application by such • person.


244 An account furnished under these Regulations is due and payable Due datec.or on the date shown on the account. =. or

• • • • • • Regulatioll %U repealed bJ 1961, No. 28.

246. Where an account furnished under these Regulations remains Notice tbat account r r

unpaid for more than one year the Administrator may- se~

() . . b . d th b h th chargca. a gtve notIce y regIstere letter to e person y w om e unpaid.

account is payable at that person's last known place of abode that the account is unpaid; and

(b) at any time after he has so given notice, publish in the Northern Territory Government Gazette a notice setting out the land in respect of which the account is unpaid and the fact that the account is unpaid. '

247.-(1.) Where an account furnished under these Regulations:~ remains unpaid for more than one year after a notice is published in . accordance with paragraph ( b ) of regulation 246 of these Regulations, the Administrator may apply to the Supreme Court for an order for sale of the interest in all or any part of the land to which the account relates of the person by whom the account is payable.

(2.) On the hearing of the application the Court may, upon beinS satisfied that (be requirements of the last preceding sub-regulation have been observed, order the sale of that interest in such manner as the Court directs.

(3.) The Administrator shall pay to the person whose interest in the land or part of the land is sold the amount of any balance remaining after the total of all amounts due by that person to the Administrator and arising under or out of these Regulations in respect of the land has been deducted from the proceeds of the sale.

(4.) Notwithstanding an order for sale under this regulation, if the person by whom the account is payable pays to the Administrator before the land is sold the total of all amounts due by that person to the Administrator and arising out of these Regulations in respect of the land, no interest of that person in the land or any part of the land shall be sold under the order of the Court and the order of the Court shall be deemed to have been vacated.

(5.) For the purposes of this regulation the total of all amounts due f~J' by a person to the Administrator 'and arising under or out of these Regula- ,0.. tions in respect of land directed by a Court to be sold is the total of-

(a) all accounts furnished under these Regulations but not paid; (b) where the land has been sold, the expenses of the sale; (c) unless the Court otherwise directs, the costs of the applications

to the Court; and (d) any other expenses incurred up to the date of a sale or to the

date of a payment made under the last preceding sub-regulation, as the case requires, in the exercise of a power under this regulation,

in respect of that land.

1032

Legal proceedings for recovery of amount of acc:ount, &C.

Substituted br 1'61, No. 20.

Amended by 1'61, No. 20.

Refund of overpayment. Amended by 1961,N .20.

Regulation 250 repealed by 1961, No. 20.

Allotments to be served by newly constructed lewer. Sub-reg. (1.) ameuded by 1'63, N .7.

loint proprietora.

OWen_and penalties.


248.-(1.) Where an account furnished under these Regulations remains unpaid for more than six months, the Administrator shall give further notice by registered letter to the person by whom the account is payable at that person's last known place of abode.

(2.) The further notice shall contain-(a) a statement of the amQlUnt of the account; land (b) a statement that unless the amount of the 'account is paid

within fourteen days after the date of the further notice, the Administrator may cause legal action to be taken to recover that amount.

(3.) On the expiration of thirty days after the date of the further notice the Administrator may, in the name of the Commonwealth, sue for and recover, in any Court of competent jurisdiction, from the person by whom the account is payable, the amount of the 'account.

249. Where an account has been overpaid the Administrator shall repay the amount of ,the overpayment to the person who has made the overpayment OT credit that amount in the next succeeding account for a sewerage charge furnished to that person.

• • • • • • • •

251.-(1.) After the work of laying down a sewer is completed, the Administrator shall by notice in the Northern Territory Government Gazette, declare such land as is specified in the notice to be land which is or will be served by that sewer.

(2.) The Administrator shall not furnish an account for a sewerage charge in respect of land served or to be served by a sewer before the expiration of fourteen days from the date of a notice published in accordance with the last preceding sub-regulation.

252. Joint proprietors of land are jointly and severally liable for the whole amount of the charges and penalties due in respect of the land but as between themselves each is liable only for his share.

253.-(1.) A person who contravenes, or fails to comply with, a provision of these Regulations or of an 9rder or direction made or given under these Regulations is guilty of an offence against these Regulations.

(2.) Where a person undertakes to carry out a work of drainage or sanitary plumbing and the work or a material, pipe, fitting, fixture, appliance or apparatus used in or in connexion with the work does not comply with or is in contravention of these Regulations, the person is guilty of an offence against these Regulations.

(3.) A person guilty of an offence against these Regulations is punishable upon conviction by a fine not exceeding-

(a) Ten pounds for a first offence or Twenty pounds for a subsequent offence; and

(b) if the offence is a continuing offence, One poun_d for each day during which the offence continues after the Engineer has notified the person in writing that the offence has been committed,

but so that the total penalty does not exceed Two hundred pounds.


254. Where the Administrator incurs expense in consequence of an Payment or

offence against these Regulations, a court convicting a person of that offence = from may order the person to pay to the Administrator the amount of the expense otT_. so incurred.

255. Except where otherwise provided in these Regulations a notice, seryice ot order, account or other document required or permitted by these Regula- notice, 1<1:.

tions to be served, given or furnished on or to a person may be served, given or furnished-

(a) by handing or tendering it to that person; (b) by posting it to that person at his last known or usual place of

abode or business; or (c) by leaving it with some person apparently over the age of

sixteen years at the last known or· usual place of abode or business of that person.

256. A notice, order, account or other document purporting to be issued Proofot in pursuance of these Regulations by 'the Administrator or the Engineer, and ~=~~r to be signed by him, shall be deemed to be so issued and signed unless the contrary is proved.

257.--(1.) Notwithstanrung anything contained elsewhere in these Charges not

Regulations, a charge for a service supplied under these Regulations shall ::s~~ved not be made unless the charge is approved by the Administrator in Council. ~:-~istrator

(2.) The Administrator in Council may by notice in the Gazette in Council.

declare that a charge specified in the notice is approved by the Administrator Al!1d:t3edNbJ 7 in Council. v. o. •

(3.) The production of a copy of a Gazette containing a notice declaring that a specified charge is approved by the Administrator in Council is evidence that the oharge is approved by the Administrator in Council.

THE SCHEDULES. FIRST SCHEDULE. Regulations 12 and 13.

SYMBOLS TO BE USED IN PLANS. Anti-Siphonage Vent Pipe Bath .. Boundary Trap Cast Iron Closet Pan Disconnector Trap Educt Vent Pipe Floor Waste Glazed Earthenware Grease Trap Gully Trap Induct Vent Pipe Inspection Chamber Inspection Opening Lavatory Basin Manhole Oblique Junction Shower Sink .. Soil Vent Pipe Troughs Urinal Washing Machine Waste Vent Pipe

ASVP B BT Cl WC DT EVP FW OEW Or T OT IVP IC 10 LB MH Ob Sh S SVP T Ur WM WVP


SECOND SCHEDULE.

THE NOR1HBRN TERRITORY OF AUSTIlALlA. FORM 1. Regulation 27.

Supply of Services Ordinance 1952-1958. Sewerage Regulations.

CERTIFICATE OF APPROVAL. No.

I hereby certify that the work done at the house or building of Mr.

lituated

by or for Mr. Sanitary Plumber.

Drainer.

has been properly carried out in accordance with the Sewerage Regulations Plan

No. The issue of this certificate does not derogate from the AdminiItrator'l power

to order the owner to rectify at his own cost any defect found to uist. This certificate does not apply to the installation of

which was not carried out by Date

Engineer.

nm NOR1HBRN TERRITORY OF AUSTllALlA. FORM 2. Regulation 33.


APPLICATION FOR .~~~Ys PLUMBER'S LICENCE.

The Chairman, Plumbers and Drainerl Licensing Board, Darwin.

I, of

(Insert full name and address)

hereby apply for a *Sa~tary Plumber's Licence under the provisions of the Sower ... Dramer's

Regulations. My qualifications for the issue of the licence to me are as follows:

t

I am not under the age of twenty-one years. I enclose certificate in accordance with Form 4 of the Sewerage Regulations. I enclose the sum of One pound (£1.0.0) being the prescnbod fee for the issue of

a licence. I undertake that, in the event of a licence being issued to me, I will faithfully

comply with the conditions of the licence and observe the provisions of the Sewerage Regulations and all other laws from time to time in force governing the design, erection or execution of buildings and works in the Northern Territory.

Dated this day of ,19 .

(Witness to Signature) (Signature of Applicant)

• Strike out whichever is not applicable. t An applicant for a licence must satisfY the Board that he complies with the conditions of sub-regulation (I.) of Regulation 37 of the Seweraae ReauJatioDl.

FoIW 3.


Second Schedul&-continued.

1im NORTHERN TERRITORY OF AUSTRALIA.


Regulation 34.

APPLICATION FOR AUTHORITY TO DO *SANITARY PLUMBING WORK. DRAINAGE

The Chairman, Plumbers and Drainers Licensing Board, Darwin.

I, of hereby apply for an Authority [Insert full name and address]

to do SDani!ary Plumbing work under the provisions of the Sewerage Regulations. ramage

My qualifications for the issue of the authority to me are as foIlows:-t

I am not under the age of twenty-one years. I enclose certificate in accordance with Form 4 of the Sewerage Regulations. I enclose the sum of One Pound (£1) being the prescribed fee for the issue of an

authority. I undertake that, in the event of an authority being issued to me, I will faithfully

comply with the conditions of the authority and 'Observe the provisions of the Sewerage Regulations and all other laws from time to time in force governing the design, erection or execution of buildings and works in the Northern Territory.

Dated this day of 19 (Witness to Signature) (Signature of Applicant)

Strike out whichever is not applicable. t An applicant for an authority must satisfy the Board that he complies with the conditions of sub-regulation (2.) of Regulation 37 of the Sewerage Regulatiolll.

FoIW 4. 1im NORTHERN TllRRrrORY OF AUSTRALIA.


Regulation 35.

FORM OF STATEMENT OF THREE ELECTORS TO ACCOMPANY FORM 2 OR FORM 3.

The Chairman, Plumbers and Drainers Licensing Board, Darwin.

I, of • , hereby state that-(a) my name is on the roll of electors for the Northern Territory; (b) I have known , who now resides at

for years; and (c) I believe him to be a person of good fame and character.

Signature Date

I, of • , hereby state that-(a) my name is on the roll of electors for the Northern Territory; (b) I have known , who now resides at


Signature Date

I, of • , hereby state that -(a) my name is on the roll of electors for the Northern Territory; (b) I have known , who now resides at


Signature Date

• Insert residential

103S

ad&.l iD tuIl.

• IIISelt residential addruaiDtuIl.

• Insert residential add-. iD CUll.

1036

FORM 5.


Second Schedule-continued.

THE NORTHERN TERRITORY OF AUSTRALIA.

Supply 01 Services Ordinance 1952-1958.

Sewerage Regulations.

·SANITARY PLUMBER'S LICENCE DRAINERS .

RegUlation 36.

Pursuant to the powers conferred by Regulation 36 of the Sewerage Regulations the Plumbers and Drainers Licensing Board of the Northern Territory hereby liceDlel

of as a *Sani~ary Plumber. Dramer.

This licence shall be and continue in force from the date hereof until the thirtieth day of September next following.

Dated this day of 19

Signed for and on behalf of the Board by Chairman of the Board.

• Strike out whichever is not applicable.

NOTE.-(a) This licence may be renewed from time to time upon payment of the prescribed fee.

(b) This licence is subject to cancellation or suspension at the discretion of the Board.

THE NORTIIERN TERRITORY OF AUSTRALIA.

FORM 6. Regulation 36. Supply 0/ Services Ordinance 1952-1958.


AUTHORITY TO DO * SANITARY PLUMBING WORK DRAINAGE

Pursuant to the powers conferred on us under Regulation 36 of the Sewerage Regulations the Plumbers and Drainers Licensing Board of the Northern Territory hereby authorizes

of

t d • San~tary Plumbing work. o 0 Dramage

This authority shall be and continue in force from the date hereof until and shall apply to the following areas only

Dated this day of • 19

Signed for and on behalf of the Board by

Chairman of the Board.

• Strike out wbat is not applicable.

NOTE.-(a) This authority does not continue in force beyond the thirtieth day of September next following the date of issue unless an application for renewal shall have been approved and the prescribed fee paid.

(b) This authority is subject to canceJlation or suspension at the discretion of the Board.


THE NORTHERN TERRITORY OF AUSTRALIA.

Form 7

Form 7 added by

Reg. 28c 1966, No. 8.


APPLICATION FOR LOAN

1. I, • of

, in the Northern Territory of

Australia, (a) , make application for a

loan of dollars ($ ) to assist me to pay for providing

connexions to a sewerage system.

2. There is a private residence on the land in respect of which this application is

made. The address of that residence is

3. I am the registered proprietor of an estate in freehold/leasehold*

(b) in the land in respect of which the application

is made. The land is more particularly described in Certificate of Title Register Book/

Register Book of Crown Leases* Volume Folio

4. I am unable to pay for the proposed work without financial assistance.

5. I have tried to obtain financial assistance from the following sources:-

6. I have not been able to obtain financial assistance from any source.

7. I enclose the documents required by regulation 28D of the Sewerage Regulations to accompany this application.

Dated this day of t 19

SIGNED by the } applicant in the presence of:

...................................................... (Witness)

••••••••••••••••••••••••••••••••••••••••••• u ........... ...................... ..

(Applicant)

Notes:-(a) occupation of applicant.

(b) if the estate is leasehold, give its instrument number, e.g. 'D.T.A.L. No. '. 'SPL No. tt etc.

• Strike out whichever does not apply.

1038

Stato.

Queensland

Sewerage Regulationr

THnu> ScHEDULE.

TRII NOIl'IHBRN TEJlJllTOllY OF AUSTIlALlA.

Supply of Services Ordinance 1952-1958.


LICENCE AS SANITARY PLUMBER.

APPROVED AUTIIORITIES AND CERTIFICATES.

(i) AUSTIlALIA.

Regulatioo 37.

Certificate. Namo of IuWna Authority.

Licence as Plumber .. Plumbers, Drainers and Gasfitters Examination and Licensing Board

New South Wales .. Certificate of Competency as Plumber

New South Wales Examining Board for Plumbers and Gasfitters, and Drainers

Victoria .. Registration Plumbing, Class 1 and Class 2

Plumbers and Gasfitters Board

South Australia Certificate of Competency as Plumber

Sanitary Plumbers Examining Board

Western Australia .. Certificate of Competency as Plumber

Board of Examiners, Metropolitan Water Supply, Sewerage and Drainage Department

Technical Branch, Education Department, Tasmania

Tasmania Plumbing Proficiency Certificate

(ll) 0rmnI. COUNTRIES.

Examination.

Certificate for Plumbing (1st Class) Certificate as Plumber (by examination)

Certificate for Plumbing

Certificates for Plumbing, Practical, Theoretical and Drawing, either 1st or 2nd Class

Certificate of Competency as Plumber Scottish Certificate in Plumbing ..

Name of Approved !ssuin, Authority.

City and Guilds of London Institute England The Worshipful Company of Plumbers,

London, England The Herriot-Watt College, Edinburgh, Scot

land Stow College, Education Authority of Glas

gow, Scotland The Plumbers Board of New Zealand The Scottish Federation of Plumbers and

Domestic Engineers (Employers) Associations in Conjunction with the Scottish Education Department


FOURTH SCHEDULE.

THE NOR1HERN TERRITORY OF AUSTRALIA. Regulation 37.



LICENCE AS DRAINER.

APPROVED AUTHORITIES AND CERTIFICATES.

State.

Queensland

New South Wales ••

South Australia

Western Australia ••

Tasmania Australian Capital

Territory

State.

Victoria

New South Wales

Queensland ..

Western Australia

South Australia

Certificate.

Licence as Drainer

Certificate of Competency as Drainer

Registration as Drainer

Certificate of Competency as Drainer

Licence as Drainer Licence as Drainer

FiFTH SCHEDULE.

Name of Issuing Authority.

Plumbers, Drainers and Gasfitters Examination and Licensing Board

New South Wales Examining Board for Plumbers and Gasfitters and Drainers

Sanitary Plumbers Examining Board

Board of Examiners, Metropolitan Water Supply, Sewerage and Drainage Department

Hobart City Council Commonwealth Department of

the Interior

1'HB NOIl1HEB.N TEB.RITOIlY OF AUSTRALIA. Regulation 60.



APPROVED AUTHORITIES.

Approved Authority.

Melbourne and Metropolitan Board of Works

Metropolitan Water and Drainage Board

Department of Local Government

Metropolitan Water Supply, Sewerage, and Drainage Department

Engineering and Water Supply Department

1039

Fifth Schedule added by 1961. No. 20.

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