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Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public.
इंटरनेट मानक
“!ान $ एक न' भारत का +नम-ण”Satyanarayan Gangaram Pitroda
“Invent a New India Using Knowledge”
“प0रा1 को छोड न' 5 तरफ”Jawaharlal Nehru
“Step Out From the Old to the New”
“जान1 का अ+धकार, जी1 का अ+धकार”Mazdoor Kisan Shakti Sangathan
“The Right to Information, The Right to Live”
“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता है”Bhartṛhari—Nītiśatakam
“Knowledge is such a treasure which cannot be stolen”
“Invent a New India Using Knowledge”
है”ह”ह
IS 3950 (1979): surface boxes for sluice valves [CED 3:Sanitary Appliances and Water Fittings]
Gr 2
IS : 3950 - 1979
Indian Standard Reaffirmed 2007
SPECIFICATION FORSURFACE BOXES FOR SLUICE VALVES
( First Revision)
Third Reprint AUGUST 1992
UDC 621.646.5-758.1:628.146
Copyright 1979
BUREAU OF INDIAN STANDARDSMANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002
Navember 1979
IS I 3950 - 1979
Indian StandardSPECIFICATION FOR
SURFACE BOXES FOR SLUICE VALVES
( First Revision)
Sanitary Appliances and Water Fittings Sectional Committee, BDC :3
Chairman
5JIKI V. D. DESAI
Representing
Municipal Corporation of Greater Bomba y,Bombay
Memb"sAnYl8ER Central Public Health &
Engineering Organization'-Yorks & IIousing )
Environmental(Mini~try of
SH1\J B. lJ. RAU ( Alternate )Snnr II. R. BAI)YA[4 Indian I ron & Stcr~1 Co Ltd) Calcutta
SltHI K. D. nI9\\~AS (Altemalt)S.HRI M. K. IlASU Ct'ntral Glass & Ceramic Research Institute
. ( CSIR ), AhmadabadSHRI D. S. (~IIABJ{AL Directorate General of Technica l Development,
New D(~lhi
SURI T. RAMASUBRA.MANIAN (Alttrnalt)Sunr S. P. CII.\KRAJlARTI Central Building Research Institute (CSIR).
RoorkecSHRI S. K. SHAl\MA ( Altemau )
CJlIE}~ I~NOINEER Public Health f:ngineerinK Department,r;overnrncnt of Kerala , Tr ivandrurn
SJJRI K. RAl\IAClIANI)RAN ( Alternate)CHIll:F ENG1NRER Tamil Nadu \Vat~r Supply & Drainage Board,
MadrasCHJ1~F ENQIN~:J.:lt U. P. Jal Nigarn, Lucknow
SlJPERIN'I'F~NrjINOE~OIN1tJ':U. ( Alternate )(~lllf:F ENGINEER ( \VA'r}~n. ) Municipal Corporation of Delhi, Delhi
IJRAIN' "OF; ~:NUINb:J·:R ( Alternate )SHRI L, M. CU()UUJJAR"\" Public Health Enginr-er ing Department, Govern-
11H~nl of Har yana , ChandigarhSBRJ I. CJIANIJBA ( Alternate )
CITY ~:NOINEER Municipal Corporarion of Greater Bombay,Bomba v
IIYI)R AU LIO EN"(~INEEl~ ( Alternate )
( Continued on page 2 )
CJ ('o!Jyriglll 1979
BUREAU OF INDIAN STANDARDSThis publication i~ protected under the Indian Copyright Act (XIV of 1957) andreproduction in whole or in part by any means except with written permission of thepublisher shall be deemed to be an infringement of copyright under the said Act.
IS : 3950 - 1979
( Co ntinuedfrom fJag, 1 )
( ArmyBranch
Hiudustan Shipyard Ltd, Vishakhapatn.un
Dire-ctor (;cn~rtll, rsr ( Ex-offiCig Member )
Publ ic !I";llth Engineering Department, (iovcrn-ment of Rajast han , Jaipllr
Srnu ItA~,-lIT SINGIl J{:lil\vay IJlJard ( Mini\try of Railways )Dn A. V. RI l~~\o National Buildings Organization, New l)(~lhi
SJlH.1 P. .lA(~A:'\ATJI RAO E'.TIT). - Parry Ltd, MadrasSrlllJ M. MOO~A SUL.·\Yl\Jl\N ( Altemate ]
SURl R. K. SO~\I.\~Y Hindustan Sanitaryware & Industries Ltd,Bahadurgurh
Central Public \t\Torks Department, New Di-Ih i
SHIll 1(. (~. ItE nnv ( Alternate )S.HnI K. l,AKSU:'lIN""nAYANAN
S H H I ~~. S11:\ H I F}I' ( AIfemate )SJIHI P. S. RAJVANHHI
Members Re/JTi!!Jc1lling
SHRIll. N. f) ..\LLAS Indian Institute or Architects, l~olnhay
LAT.lA f~. (~. 1),\8 ~~tionaJ rI'est House, CalcuttaS Ifnil 1"'. It. f) E Ins t j t ution 0 f Engin ("fOr, ( In d ia I. C aIe11t taDIHt:c'Tult HOJllhay l)otterjt~s & 'ril(~s Ltd, Homb.i y
SHH,l 1\. 1\1. KE~1JJTAVI ( Alternate )SHltI B. R. N. GfJP'rA Engineer-in-Ch ie Fs
quarters )S.1I1l1 K. V. KltISJlNA:\llJII,THY ( Alternate )
Stilt 1 M. 'r. K AN S lr. I ) ireC l o:'a t t ~ c; \-nc ra l 0 f SUP])I i(~S & I) isp< .~;. ds,~l"\V l)·:lhi
~ati('ll:d Euviron nu-ntu l Eng inecr ing Rcs--a rchInst itute (~SrR ), Nagpur
Sl7PERIXTENfJ1XO SlJIlVEY()B, OF
\\'OHKS ( NI)Z )SUltVEynR llF Wonxs I (NDZ)
( .4/tcrnate )Sun1 D. A.rIP
" If A S, llR A,
Director ( Civ :r~n~~g )
SlIRI S. It. I~s If IIt~.AO AJt
Secretary
Sum S. I'. MAGG1!
Assistant Director ((~iv Engg ), lSI
Water Works Fittings Subcommittee, BDC 3 : 5
Convener
SlIRI K. D. 1\1 ULEKAR Municipal Corporation of Greater Bombay,Bombay
MembersSlIUI T. M. KANnA,vAT..A ( Alternat« to
Shri K. D. Mulrkar )SURl ]. R. AOGAlt\VA.L MIs Goverdhan Da! P. A., Calcutta
SUUI YASJI RA..J AGGAll.WAL ( Alumau )SHRt K. K.. BHATTACIIAR'YYA Indian ~lve Co Ltd, Calcutta
Snnr A. K. BIIATTACIIARYYA ( Alternate)CHIF:F ENOI'lJI:EJt Bangalore Water Supply & Sewerage Board,
BangaloreSlJPERIYTENIJINO ENOINEEI~ ( Alternate)
( Continued onpa"~ 7 )
2
AMENDMENT NO.1 MARCH 2008TO
IS 3950: 1979 SPECIFICATION FOR SURFACEBOXES FOR SLUICE VALVES
( First Reviston)
(Page 3, clause 1.1, lines 2 and 3) - Substitute 'IS 14846 : 2000' for'IS: 780-1 969t and IS; 2906-1969:'.
(Page 3,footnotes markedt and ~ respectively) - Substitute 'Sluice valve forwater works purposes (50 to 1200 mm size)- Specification' for the existing.
(Page 4, clause 2.1, line 2) - Substitute 'IS 210 : 1993*' for 'IS: 2101978·'.
(Page 4, clause 2.2, lines 2 and 3) - Substitute 'IS 280 : 2006t andIS 2629: 1985~' for 'IS: 280-1972t and IS : 2629.. 1966:' respectively.
(Page 4, footnote marked .) - Substitute 'fourth revision' for 'thirdrevision' 41
(Page 4, footnote marked t) - Substitute 'fourth revision' for 'secondrevision' .
(Page 4,foutnote marked t) - Insert '(first revisionf at the end.
(CEO 3)
Reprography Unit, BIS, NewDelhi, India
IS : 3950 - 1979
Indian StandardSPECIFICATION FOR
SURFACE BOXES FOR S"LUICE VALVES
( First Revision)
o. l~~ 0 ]{ E \\T 0 R IJ
0.1 'I'his Indian Standard ( First Revision ) was a<l()I>t.rrJ hy t he IndianStandards Institution on 4- May ]!-:J7r-J, after the dralt Iinalizc.] lry theSanitary Appliances a nd \"Tater .14'ittiJlg"<; Sectiona! Committee Jl~\(l IJCC11
approved 1))' the Civil Ellg-ilU'(&rillg Division Counri I.
0.2 Surlarr: })()X is a deep J11Ct,11 [ramr with a lir! Ji~XJ'(J ill tlH ~~r()ull(l witht.Ile lie) level at. the surface to gi\'e a("ces~ to lJIl(lt~r1~r()llrl<.1 Jittiugs, such asa valve or hydrant, Surface boxes arc Il1a(I{~ in ~Jiflc:r(:lll pat terns andsizes to suit stop va lvcs, SIll ice va lvcs, }1 yeJ rant, etc. 'J'11 is st .n «lard coversthe requirements feJr cast iron surfarr: boxes for usc with sluice valves onservice pipes (1f1(\ water mains. 'I'his standard "vas first published ill J~_H~t(j.
I Tl this revision the tolcranres 011 va rious dimensions o l surface boxes hav«been incorporated.
0.3 This standard is ()IIC of a series ol Indian Standards on water fittings.Other standards published Sf) far in tIle series art" 1~ivf'Il (H} rJagc r~.
0.4 FC)f the l.>tlrpCJSe of deciding whether ~ particular requirement of thisstanda rd is complied w it h , th« fi11;11 value, ()bscrvcr I or ca Jc.ulateet, expressing tll~ result ()f a tesl or ana lysis, shall be rounded fJfl' ill accordancewith IS : 2-19toj ()*. The nurnher (Jf -ignificant places retained ill therounded off value should IJe th« same as that of t lu: SI1c cifi('(! value in thisstandard.
1. SCOPE
1.1 TIle standard lays down the retl uir erncnts lor cast iron surface boxesfor usc with sluice valves with va lvr caps, c{)r)f()rI)lil}!~ to IS : 71.~()-1 (J()~Jt
arid IS : 2906-196fJt for use on service pipes and wate-r .maius.
·Rule~ for rounding off numerical values ( revised ).[Specification for sluice valves for water works purposes ( 50 to 300 mm size ] ( .(.our/h
revision ).tSprcification for sluice valves for water works purposes ( 350 to 1200 mm size) ( firs'
teuision ).
IS : 3950 - 1979
2. MATERIALS
2.1 Fraine - Cast iron used in the manufacture of surface boxes shallbe of a quality of not less than Grade FG 150 orIS: 210-1978·.
2.2 Hinge Pia - Hinge pin shall 'be made of galvanized mild steelconforming to IS: 280-1972t. Tile galvanizing shall be done in accordance with IS : 2629-1966t.
3. MANUFACTURE AND WORKMANSHIP
3.1 Surface boxes shall be clearly cast to the specified dimensions. The,castings shall be sound, clean and free from porosity, blow holes, hardspots, cold shuts and chills. They shall be well dressed and fettled, andalso free from voids due to shrinkage, gas inclusions or other causes.
4. CONSTRUCTION
4.1 The surface boxes shall be made in accordance with the details givenin Fig. I.
4.2 Cover - The upper surface of the covers shall IJe designed with anadequate non-slip surface which shall, unless otherwise specified, includethe letter '\\Tt cast therein. The design may also include such otherletters as may he agreed to between the purchaser and the manufacturer.
s, DIMENSIONS AND TOLERANCES
5. t DiJDen8ion. - Dimensions shall conform to those specified in Fig. 1.
5.2 Toleraaces --,.-- TIle following tolerances shall be allowed on thedimensions:
a) all dimensions up to and including 10 mm + 2 mm
1» all dimensions above 10 mm up to and including 50 mm ± 2 romc) 011 dimensions over 50 mm ± 5 mm
6. MASS
6.1 The minimum mass of surface boxes shall be 33 kg.
·Sp~cification for grey iron caltings ( third "vision ).f5pecificatioD for mild steel wire (or general engineering purposes ( sIcond r,vision ).~Recommended pract ice for hot-dip galvanizing of iron and steel,
4
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IS I 3950 - 1979
7. INSPECTION
7.1 The manufacturers shall afford all reasonable facilities for carryingout inspection during the course of manufacture and facilities shall begiven to the purchaser, if he so desires, to carry out inspection of thesurface boxes to his order before the application of any coating'
8. PROTECTIVE COATING
8.1 Surface boxes shall be thoroughly cleaned-and dried andthen coatedby being dipped in a bath containing a composition having a bitumeraortar base. The coating shall be smooth and tenacious so as not to flowwhen exposed to a temperature of 63°C and shall not be so brittle as tochip off at a temperature of 15°C.
9. MARKING
9.1 Each surface box shall cast on them the following information:
a) Manufacturer's name and trade-mark, and
b) The word 'W' or any other letter as agreed to between the purchaser and the manufacturer.
9.1.1 Each surface box may also be marked with the lSI CertificationMark,
NOTE - The use of the lSI Certification Mark is governed by the provisrons ofthe Indian Standards Institution (Certification Marks) Act and the Rules andRegulatioDs made thereunder, The lSI Mark on products covered by an IndianStandard conveys the assurance that they have been produced to comply with therequirements of that standard under a well-defined system of inspection, t~ting andquality control which is devised and supervised by IS-I and operated by the producer. ISI marked products are also continuously checked by lSI for conformity tothat standard as a further safeguard. Details of conditions under which a licencefor the use of the lSI Certification Mark may be granted to manufacturers or processors may be obtained from the Indian Standards Institution.
6
IS I 3950 • 1979
( Co ftt inu' dfrom pa"~ 2 )
CHIEF ENGINEER
CHIEF ENGINEER
Representing
Public Health Engineering Department, KeralaState, Trivandrurn
Tamil Nadu Water Supply & Drainage Board,Madras
CHIEF ENGINEER V, P. Jal Nigam, LucknowSUPERINTENDING ENGINEER ( Alt"nat, )
CHIEF ENGINEER ( WATER) Delhi Municipal Corporation, DelhiDEPUTY CJIIEF ENGINEER ( A.lternfJI, )
SBRI J. V. GADOIL Indian Iron &. Steel Co Ltd, KultiSHRI M. L. KAURA Engineers India J...td, New DelhiSURI A. RAMAN National Environmental Engineering Research
Institute, NagpurS}IRI R. C. REDDY ( Alt"nal, )
SHRI RANJIT SINGH Railway Board, Northern Railway Headquarters,New Delhi •
SURI K. K. SONI ( Alt"nat, )SHRI K. SATBYANARAYANA Kirloskar Brothers Ltd, Kirloskarvadi
SHRI S. R. PA'rxAR ( AI'''"tJI' )SHRI D. K. SEHGAL Leader Engineering Works, Jullundur
SHRI O. p. W ADRWA ( Altmaat' )SIIBI J. L. SETHI Public Health Engineering Department, Govern-
ment of Haryana, RohtakSHRI A. N. MEHENDAJ,E ( Altmlat. )
SJJRIRAME8HClJ.ANDRAH.TlfAKKAJt. Geeta Iron & Brass Works, Bajuva. Snnr NAND KUMAR H. THAXICAI(, ( Alt"nat, )
SDKI T. N. UBOVEJA Directorate General of Supplies & Disposals,New Delhi
SliBI E. UKXXRKUT1''Y ( Alternat' )
7
BUR E A U 0 FIN D I A N S TAN D A·R D S
5 36 273 31 77
2 51 71
5 24 35
23 1083
{6 34 716 98 32
{21 68 7621 82 92
6 23 05r6 21 04L6 21 17
2 18 433 16 41
41 26 1941 29 16
6 32 92 95
Southern : C. I. T. Campus, MADRAS 60011 3
Headquaners:
Manak Bhavan, 9 Bahadur Shah Zafar Marg, NEW DELHI 110002
Telephones: 331 01 31, 331 13 75 Telegrams: Manaksanstha( Common to all Offices)
Telephone(331 01 31l331 13 75
36 24 99
tWestern : Manakalava, E9 MIDC, Marol, Andheri ( East ),BOMBAY 400093
Branch Ottices:'Pushpak·, Nurrnoharned Shaikh Marg, Khanpur. ( 2 63 48
AHMADABAD 380001 1 2 63 49tPeenya Industrial Are a 1st Stage, Bangalore Tumkur Road 138 49 55
BANGAlORE 560058 l38 49 56Ganqot .. , Complex. 5th Floor. Bhadbhada Road, T. T. Nagar, 6 67 16
BHOPAL 462003Plot No. 82 83, Lewis Road, BHUBANES~iWAR 751 00253,5. Ward No 29, R.G. Barna Road, 5ttl Byelane,
GUWAHATI7810035-8 .. 56C L. N Gupta Marg ( Nampally Station Road ),
HYDERABAO 500()01
R1 4 Yudhister Marg. C Scheme, JAIPUR 302005
Regional Offices:Central : Manak Bhavan, 9 Bahadur Shah Zatar Marg,
NEW DELHI 110002·Eastern : 1/14 C. I. T. Scheme VII M, V. I. p~ Road,
Maniktol~, CALCUTTA 700054Northern : seo 445-446, Sector 35-C,
CHANDIGARH 160036
11 7 j418 B Sarvodaya Nagar, KANPUR 2\)8005
Patliputra Industrial Estate, PATNA 800013T.C. No. 14/1421. University P.O.. Palayam
TRIVANDRUM 695035Inspection Offices ( With Sale Point ):Pushpanjali. Firfit Floor. 205-A West High Court Road,
Shankar Nagar Square, NAGPUR 440010Institution of Enqineers ( India) Buildiny, 1332 Shivaji Nagar,
PUNE 411005.._ .......- .. ---- ..- ..- - --..-..--. --_. _..
• Salel Office in Calcutta is It' 5 Chowringhee Approach, P. O. Pnncep 27 68 00Str8et. Catcutta 7()()012
tSales Office in Bombay il at Novelty Chambers. Grant Road, 89 65 L~
Bombay 400()07tSales Othce in Bang.tlore is at Unity Building, Naras,mharaja Square, 22 36 71
Bangatore 5600(.l2- L •. I6IliFlj'- ••5" . 0, iI
