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है”ह”ह

IS 2963 (1979): copper alloy waste-fittings for wash basinsand sinks [CED 3: Sanitary Appliances and Water Fittings]

Indian Standard

IS : 2963 - 1979 ( Restffirmed 1987 )

SPECIFICATION FOR COPPER ALLOY WASTE-FITTINGS FOR

WASH BASINS AND SINKS

( First Revision )

Third Reprint DECEMBER 1993

UDC 621.646.652:[669.35]:696.142/:143

@ Cofiyright 1980

BUREAU OF INDIAN STANDARD S MANAK BHAVAN, 9 BAHADUR SHAH ZAF’AR MARG

NEW DELHI 110002

Gr2 April 1980

IS : 2963 - 1979

Indian Standard SPECIFICATION FOR

COPPER ALLOY WASTE-FITTINGS FOR WASH BASINS AND SINKS

( First Revision )

Sanitary Appliances and Water Fittings Sectional Committee, BDC 3

Chairman

SHRI V. D. DESAI

Membcn

ADVISER

SHRI B. B. RAW SH~I M. K. BASU

Central Public Health & Environmental Enginecr- ing Organization ( Ministry of W’orks & Housing )

( ANcrnale )

SHXI K. D. BISWAS SHRI D. S. CHABEAL

R@rtWlti?lg Bombay Municipal Corporation

Central Glass & Ceramic Research Institute ( CSIR ), Ahmadahad

Indian Iron & Steel Co Ltd, Calcutta Directorate General of Technical Development,

New Delhi SARI T. RAMASUBRA~~ANIAN ( Alfcrnatc )

SARI S. P. CHAKXABARTY Central Building Research Institute ( CSIR ), Roorkee

Sam S. K. SHARMA ( Alternate ) CHIEF ENQIN~ZER Public Health Engineering Department, Government

of Kerala, Trivandrum SHKI K. RAMACHANDRAN ( Alternate )

CHIEF ENGINEER Tamil Nadu Water Supply & Drainage Board, ‘Madras

CHIEF ENQINEER U. P. Jai Nigam, Lucknow SUPERINTENDINQ ENQINEER (.Altcrnatc )

GRIEF ENGINEER ( WATER ) Municipal Corporation of Delhi DRAINAOR ENOINE~R ( Afternote )

SHRI L. M. CHOUDHA~Y Public Health Engineering Department, Government

SHJLI I. CHASPRA ( A!rmarc ) of Haryana, Chandigarh

( Continued on pegr 2 )

BUKl3AU OF INDIAN STANDARDS This publication is protected under the Indiun Ggyright Act ( XIV of 1957 ) and reproduction in whole or in part bv anv tueans cxccot with written permission of the publisher shall be deemed to be an inf~tngcmcnt of copyright under the said Act.

I

IS a 2963 - 1979

( Confinurd from page 1 )

Members Representing

CITY ENQINEER Bombay Municipal Corporation HYDRAULIC ENGINEER ( Alternate )

SHRI H. N. DALLAS Indian Institute of Architects, Bombay DIRECTOR Bombay Potteries & Tiles Ltd, Bombay

SHBI A. M. KEMBHAVI ( Alternate ) Sam B. R. N. GUPTA Engineer-in-chief’s Branch ( Army Headquarters )

SHRI K. V. KRISHNAMURTHY ( Alfernntc ) SHBI M. T. KANSE Directorate General of Supplies & Disposals, New

Delhi SHRI S. R. KSHIRSA~AI~ National Environmental Enginecrine Research _ .

Institute ( CSIK ), Nagpur - - SHRI R. C. RUDDY ( Alternate )

SHRI K. LAKSHMINARAYANAN Hindustan Shipyard Ltd. Vishakhapatnam SHRI A. SHARIFR ( Alternate )

SHBI E. K. RAMACHANURAN National Test House, Calcutta SHRI S. K. BANEKJEE ( Alternate )

Saw RAN JIT SIN~H 9~ A. V. R. RAO

Railway Board ( Ministry of Railways )

SHRI J. SEN~UPTA ( Alternate ) National Buildings Organization, New Delhi

SHRI P. JAOANATH RAO E. I. D.-Parry Ltd, Madras SRRI M. MOOSA SuLafnfrx ( Alternate )

SHRI R. K. SOXANY Hindustan Sanitaryware & Industries Ltd,

SWVEYOR OF WORKS ( ND2 ) Bahadurgarh

Gentral Public Works Department, New Delhi SURVEYOR OB WORKS I

( ND2 ) ( Alternate ) SEBI D, AJITHA SIMRA, Director General, IS1 ( Eroficio Member )

Director ( Civ Engg )

SHRI S. P. MAQQIJ Assistant Director ( Civ Engg ), IS1

Domestic Sanitary Appliances and Accessories Subcommittee, BDC 3 : 1

Convener

SHRI G. F. KHAMBATTI Bombay Municipal Corporation

Members

SHRI M. C. AGRAWAL SHRI N. L. BIRLA ( Alternata )

ASSISTANT DIHIFCTOR, STANDARDS ( ARCHITECTURE ) ( RDSO )

SHRI M. K. BASU

Indian Plastics Ltd, Bombay

Ministry of Railways

Central Glass & Ceramic Research Institute ( CSIR ). Ahmadabad

SHRI S. P. CHAKRABARTY Central Building Rcscarch Institute ( CSIR ), Roorkcc

CEIEW ENQINEER Public Health Engineering Department, Government of Kerala

.

SHRI K. RAMACHANDRAN ( Alkrnate ) ( Contind on puge 8 )

2

IS : 2963 - 1979

Indian Standard SPECIFICATION FOR

COPPER ALLOY WASTE-FITTINGS FOR WASH BASINS AND SINKS

( First Revision )

0. FOREWORD

0.1 This Indian Standard ( First Revision ) was adopted by the Indian Standards Institution on 3 1 December 1979, after the draft finalized by the Sanitary Appliances and Water Fittings Sectional Committee had been approved by the Civil Engineering Division Council.

0.3 Waste fittings are generally fitted to sanitary .appliances, such as wash-basins, sinks and urinals, to drain away the waste water.

0.3 This standard was first published in 1964. In view of the experience gained in the field and the publication of the revised Indian Standard specifications for wash-basins and sinks, the Committee responsible for the preparation of this standard, has felt the necessity for its revision.

0.3.1 This revision makes reference to the latest Indian Standards for various types of materials specified in the standard.

0.4 In the formulation of this standard, due weightage has been given to international co-ordination among standards and practices prevailing in different countries in addition to relating it to the practices in the field in this country.

0.5 For the purpose of deciding whether a particular requirement of this standard is complied with, the final value, observed or calculated, express- ing the result of a test or analysis, shall be rounded off in accordance with IS : Z-1960*. The number of significant places retained in the rounded off value should be the same as that of the specified value in this standard.

*Rules for rounding off numerical values ( rcvissd ).

3

IS : 2963 - 1979

1. SCOPE

1.1 This standard covers the requirements for materials, manufacture and workmanship, nominal sizes and dimensions, and finish of copper alley svaste fittings used in wash basins and sinks complying with IS : 771 ( Part II)-1979* 15 : 3,556 ( Part IV ?-:4? !I l*jr’ IS : 2556 ( Part V )- 1979:.

2. MATERIALS

2.1 The body of the waste fittings shall be manufactured from brass conforming to Grade 3 of IS : 292 - 19615 or leaded tin bronze conforming to Grade 2 of IS : 318-196211. Nuts shall be made out of brass rod conforming to Type 1 half hard of IS : 313-13747.

3. MANUFACTURE AND WORKMANSHIP

3.1 The fittings shall in all respects be sound, free from laps, blow-holes and ,pitting, and other manufacturing defects. External and internal surfaces shall be clean and smooth. They shall be neatly dressed and if. cast, they shall not be burnt, plugged, stopped or patched. The body and nut shall be truly machined so that the nut smoothly moves on the body.

4. NOMINAL SIZES AND DIMENSIONS

4.1 Nominal Sizes - Waste fittings for wash-basins shall be of nominal size 32 mm. Waste fittings for sinks shall be of nominal size 50 mm.

4.2 Dimensions - The waste fittings for wash-basins shall conform to the dimensions given in Fig. 1. Waste fittings for sinks shall conform to the dimensions given in Fig. 2. The external screw thread on the body and the internal screw thread on the nut shall conform to the require- ments specified in IS : 554-1975**.

*Specification for glazed fire-clay sanitary appliances: Part II Specific requirements of kitchen and laboratory sinks ( second reuizian ).

Specification for vitreous sanitary appliances ( vitreous china): Part IV Specific requirements of -vzsh basins ( second rcoision ).

$Specificatton for vitreous sanitary appliances ( vitreous china ): Part V Specific requirements of laboratorv sinks ( scsond reuixzcrl ,.

#Specification for brass ingots and castings ( wised ). IlSpecification for leaded tin bronze ingots and castings ( rcuiscd ). lJSpecification for free cutting brass bars, ; ads and sections ( third rc&ion ).

**Dimensions fur pipe threads where pressure tight joints are required on the threads ( sacond reursion ).

4

NOTE

IS : 2963 - 1979

32 mm PARALLEL

I---- 69mm-I\ RECESS FOR END OF TAIL PIECE

- No. and size of holes indicative.

FIG. 1 WASTE FITTING FOR WASH-BASIN

5. FINISH

or scale.

5.1 The fittings shall be shall not be less than plating shall be capable

nickel chromium plated. The thickness of plating service Grade No. 2 of IS : 4827-1968*. The of taking high polish which will not easily tarnish

6. MARRING

6.1 Each waste fitting shall be marked with the following information:

a) Manufacturer’s name or trade-mark, and b) Year of manufacture.

*Specification for electroplated coatings of nickel and chromiun on copper and copper alloys.

5

IS: 2963 - 1979

r3mm

PlFE THREAD

NOTE’ 1 - No. and size of holes indicative.

Nom 2 -The fitting may be without the overflow slot for sinks without overflow- hole.

FIG. 2 WASTE FITTING FOR SINK

6.1.1 Each waste fitting may also be marked with the Standard Mark.

NOTE - The use of the Standard Mark is governed by the provisions of the Bureau of Indian Standards Act, 1986 and the Rules and Regulations made thereunder. The Standard Mark on products covered by an Indian Standard‘conveys the assurance that they have been produced to comply with the requirements of that standard under a well defined system of inspection, testing and quality control which is devised and supervised by BlS and operated by the producer. Standard marked products are also continuously checked by BIS for conformity to that standard as a further safeguard. Details of conditions under which a licencc. for the use of the Standard Mark may be granted to manufacturers or producers may be obtained from the Bureau of Indian Standards.

6

IS : 2963 - 1979

,. SAMPLING AND CRITERIA FOR CONFORMITY

7.1 Lot - In any consignment, all the fittings of the same type and manufactured from the same raw material under similar conditions of production shall be grouped together to constitute a lot.

7.2 The number of fittings to be selected at random from the lot &pen& upon the size of the lot and shall be in accordance with co1 1 to 4 of Table 1.

TABLE 1 SAMPLE SIZE AND ChITERIA FOR CONFORMITY

LOT SIZE SAMPLE

(1) (2) up to 150 First

Second 151 ,, 300 First

Second 301 ,, 500 First

Second

501 ), 1 000 First Second

1 001 ,, 3 000 First Second

3 001 and above First Second

SAMPLE SIZE

(3)

:3”

20 20

20 20

;:

80 80

125 125

CUMULA- TIVE

SANPLE SIZE

(4)

:63

z:

20 40

1508

80 160

125 250

ACCEPTABCE REJECTION No.(a) No.(r)

(5)

0 1

3”

s

P 6

3 8

13

7.3 Criteria for Conformity - The number of fittings in the first sample ( see co1 9 and 3 of Table 1 ) shall be first examined for manu- facture, workmanship, finish and dimensions. If in the First Sample, the number of defectives, that is, those failing to satisfy any one or more of the requirements, is less than or equal to the corresponding acceptance number (I ( co1 5 ) the lot shall be considered as conforming to the require- ments of the specification. If the number of defectives in the First Sample is greater than or equal to the corresponding rejection number r [ co1 6 ), the lot shall be considered as not conforming. If the number of defectives in the First Sample lies between the corresponding values of u and r, a Second Sample ( SEC co1 2 and 3 ) shall be selected and examined for the requirements. If in the combined sample, the number of defectives is less than or equal to the corresponding acceptance number a, the lot shall be considered conforming, and if the number of defectives is greater than or equal. to the corresponding rejection number Y, the lot shall be considered as not conforming.

7

IS :2963 - 1979

( Continued from page 2 )

Members Representing

CHIEF ENGINEER Tamil Nadu Water Supply & Drainage Board, Madras

Cl31X” ENQINEER ( WATER ) Municipal Corporation of Delhi ADDITIONAL CHIEF ENGINBEB ( WATER ) ( Alternntc j

CITY ENQINEER Bombay Municipal Corporation DIRECTOR Bombay Potteries & Tiles Ltd, Bombay

SRRI A. M. KEMBHAVI ( Alternate ) SERI M. K. GANPULE

SHRI R. M. JOSHI ( Alternate ) Parshuram Pottery Works Co Ltd, Thangadh

SHRI B. R. N. GT~PTA Minist-y or Defencc. SHRI K. V. KRI~HNAMURTHY ( Altercate )

SERI M. T. KINSE Directorate General of Supplies & Disposals, New Delhi

SERI B. K. MALHAN In personal capacity ( 9 .jrain Mandir Road, New Delhi ) SHRI B. S. MIRCHANDANI Phenoweld Polymer Private Limited, Bombay

SHRI P. R. GUPTA ( Alternate ) SERI B. T. PENTONY Neiveli Ceramics & Refractories Limited, Vadalur.

Tamil Nadu SRRI UMATOSH SARKAR ( Alternate )

SHRI P. .IAGANATH RAO E. I. D. -Parry Ltd, Madras SHR;M. MOOSA SULAIMAN (Alternate)

SERI L. R. SEHOAL L. R. Sehgal & Company, New Delhi SHRI AMAL KUXAR SEN Bengal Enamel Works Ltd, Calcutta SERI J. SENGUPTA National Buildings Organization, New Delhi

SHRI 0. P. RATRA ( Alternate ) SHRI R. K. SOMANY Hindustan Sanitarvware & Industries Ltd.

SURVEYOR or WORKS ( ND2 ) SHRI S. A. TUNQARE

Bahadurgarh ’ Central Public Works Department, New Delhi The Indian Institute of Architects, Bombay

8

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