JPT_RMP_C1

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SANITATION PLUMBINGDESIGN AND INSTALLATION

Public to Private Connection Basics

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Parts of the Col !ater Distribution S"ste#

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Service Pipe% &i&e fro# the street 'ater#ain or other source of 'ater su&&l" to thebuilin( serve

Water Meter% evice use to #easure inliters or (allons the a#ount of 'ater that&asses throu(h the 'ater service

Horizontal Supply Main-the &rinci&al'ater istribution &i&e runnin( fro# the

'ater #eter fro# 'hich the variousbranches an risers to the )*tures are

ta+en

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Riser% a 'ater su&&l" &i&e e*tenin(verticall" to one full stor" or #ore toconve" 'ater into &i&e branches or

&lu#bin( )*tures Fixture Branch% the 'ater su&&l" &i&e

bet'een the )*ture su&&l" &i&e an the

'ater%istributin( &i&e Valves% use for control, isolation an

re&air of the 'ater istribution s"ste#

Stora(e Tan+s

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Su&&le#entar" De)nitions-!ater Distribution S"ste#.

Air Gap -!ater Distribution. %Anunobstructe vertical istance throu(h thefree at#os&here bet'een the lo'est

o&enin( fro# an" &i&e or faucet conve"in(&otable 'ater to the /oo%level ri# of an"tan+, vat or )*ture

Bac!o" % The /o' of 'ater or otherli0uis, #i*tures or substances into theistributin( &i&es of a &otable su&&l" of'ater fro# an" source other than fro# its

intene source

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Battery o# Fixtures - An" of t'o or #oresi#ilar a1acent )*tures 'hich ischar(einto a co##on hori2ontal soil or 'aste

branch $ross- $onnection - An" connection or

arran(e#ent bet'een a &otable 'atersu&&l" s"ste# an an" &lu#bin( )*ture oran" tan+, rece&tacle, e0uient or evicethrou(h 'hich enables conta#inate 'ateror other substances to enter into an" &art of

the s"ste#

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Fixture Branch -The 'ater su&&l" &i&ebet'een the )*ture su&&l" &i&e an the'ater istributin( &i&e

Floo% &evel -The level in a )*ture at'hich 'ater be(ins to over/o' over the to&or ri# of the )*ture

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Goosenec - A /e*ible tubin( connectionbet'een a service &i&e an 'ater #ain3 Areturn ben of s#all%si2e &i&e co##onl"

use as a faucet Rou'hin' in -The installation of all &i&in(

an )ttin( &arts of the &lu#bin( s"ste#,'hich can be co#&lete &rior to theinstallation of )*tures an accessories4These inclue sanitar" an stor# raina(e,ta&, hot an chille 'ater su&&lies, (as

&i&in(s an the necessar" )*ture su&&orts4

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5ou(hin(%in

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!ater Su&&l" Distribution Sche#es

U&fee S"ste#

Do'nfee S"ste#

Pneu#atic6Air%Pressure S"ste#

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Air Pressure S"ste# -Pneu#atic.

Use 'hen &ressure su&&lie b" cit" 'ater su&&l" is

inae0uate

Co#&resse air is use to raise an &ush 'ater

into the s"ste#

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Do'nfee 6Overheafee 6Gravit" S"ste#

!ater is &u#&e into a lar(e tan+ on to& of the

builin( an is istribute to the )*tures b" #eansof (ravit"

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ADVANTAGES DISADVANTAGES

(p#ee% Syste)

1. Eliminates extra cost of pumps & tanks. 1. Pressure from water main is inadequate to

supply tall buildings.

2. Water supply is affected during peak loadhour.

Air Pressure Syste)

1. With compact pumping unit.

2. anitary due to air tight water chamber.

!. "xygen in the compressed air ser#es as

purifying agent.

$. %ess initial construction & maintenance cost

. 'daptable air pressure.

1. Water supply is affected by loss of pressure

inside the tank in case of power

interruption.

2. (aximum )oning for each system is 1*

floors.

*verhea%#ee% Syste)

1. Water is not affected by peak load hour.

2. +ot affected by power interruptions.

!. ,ime needed to replace broken parts does

not affect water supply.

1. Water is sub-ect to contamination.

2. igh maintenance cost.

!. "ccupies #aluable space.

$. /equires stronger foundation and other

structure to carry additional load of tank and

water.

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Ma*i#u# an Probable De#an

Maxi)u) +e)an%7 refers to the #a*i#u#'ater ischar(e for &lu#bin( )*tures in ter#s ofunits4 The #a*i#u# e#an of 'ater su&&l" ise0ual to the total )*ture units in a &lu#bin(

s"ste# 'herein one unit is a&&ro*i#atel" valueat ,. 'allonsof 'ater ischar(e &er #inute

Pro/a/le +e)an%7 also referre to as the Pealoa%, it is the &robable a#ount of 'ater

ischar(e at an" (iven ti#e4 The fe'er thenu#ber of )*tures installe the hi(her the&ercenta(e of &robabilit" of their si#ultaneoususe4

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!S8U

WSF( are use% to %eter)ine "atersupply to 0xtures an% their servicesyste)s

The !ater Su&&l" 8i*tureUnits (WSFU) are e)ne b" the Unifor#Plu#bin( Coe -UPC., an can be use toeter#ine the 'ater su&&l" to )*turesan their service s"ste#s4

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!ater Su&&l" 8i*ture Unit

0an e sed ,o 3etermine ,he Water upply ,o

4ixtures 'nd ,heir er#ice ystems.

1 W4 5 6 7P(

1 gallon 5 !.89 %iters

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!ater Su&&l" 8i*ture Unit -Table 9%:.

FIXTURE PRIVATE PUBLIC

'/ :+; 1 2

',, 2 $

:3E, 2 $

3E+,'% +:, "/ 0P:3"/ 1

3/:+;:+7 4"+,':+ 1 2

"E : "/ :%% 0"0; !

%'+3/< , 2 $

%'=',"/< 1 2

3E+,'% %'=',"/< 1 1

%'W+ P/:+;%E/ 1 1

(":%E "(E > >

"WE/ 2 $

'/ :+; 1 2

4%:+7 /:( :+; 1*

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!ater Su&&l" 8i*ture Unit -Table 9%:.

FIXTURE PRIVATE PUBLIC

DISHWASHER 2 4

WASH UP/CIRCULAR SPRAY SINK 4

WASH UP/EACH SET OF FAUCETS 2

FLUSH TANK URINAL 3

PEDESTAL TYPE URINAL 10

STALL URINAL 5

WALL HUNG URINAL 5

FLUSH TANK WATER CLOSET 3 5

ECONOMICAL FLUSH WATER CLOSET 2.5 4

FLUSHOMETER TANK WATER CLOSET 3 5

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!ater Su&&l" 8i*ture Unit-UPC.

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P5OBABILIT; of SIMULTANEOUS USE of8I to * 2 ? *@

* or more 1* ? 2@

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Process

=4 Ientif" if Pro1ect is Private or PublicUse4

>4 Co#&ute Total !ater Su&&l" 8i*ture

Unit4?4 Multi&l" T!S8U to @4: (allons -=

!S8U @4: (allons therefore (allons

&er #inute. to (et Ma*i#u# De#an44 Multi&l" T!S8U to Percenta(e of

Si#ultaneous Use to (et 5euction8actor4

:4 Subtract fro# Ma*i#u# De#an fro#

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DETE5MINING OT !ATE5 DEMAND

%in& of Bui$&in# A'er"#e (or)in#Lo"&

choolA "fficeA and

:ndustrial "ccupancy

2@

/esidential !@

otels and /estaurants *@

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Process

=4 Deter#ine Occu&ant Loa -E*a#&le7 9Persons.

>4 Deter#ine Builin( T"&e -5efer to Table Belo'.

?4 Multi&l" Occu&ant Loa to (allons &er &erson

&er hour

*ccupancy Gallons per Person

per Hour

Co##ercial to :

Institutional > to ?

A&art#ent -Multi%8a#il".

otels to =

8actories to 9

5esiential -Sin(leousehol.

=

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Process

4 Multi&l" Co#&ute Ma*i#u# De#anto Avera(e !or+in( Loa to (etProbable De#an4

:4 Convert erive Probable De#an toCubic Meter4 -= cubic #eter >9(allons.

JPT_RMP_C1

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