Specifications Part 1 - Water Supply, Sewerage and Tube Well Works

CHAPTER NO.1CAST IRON SOCKET AND SPIGOT PIPES AND SPECIAL WITHLEAD JOINTS1.1 ScopeThis Specification covers the requirements of supplying, laying, jointing andtesting centrifugally cast (spun) iron pipe for pressure main line of water supplyand sewerage1.2 Applicable CodesThe laying of CI pipes and fittings / specials shall comply with all currentlyapplicable statutes, regulations, standards and codes. In particular thefollowing standards, unless otherwise specified herein, shall be referred. In allcases, the latest revision of the standards/codes shall be referred to. Other IS:Codes not specifically mentioned here but pertaining to the use of CI pipesshall be part of this Specification.Table No.1.1IS : 1536:2001with amendmentNo. 3 July 2008IS : 1538:1993reaffirmed 1999IS: 11606 : 1986IS : 3114:1994IS: 782: 1978Specification for Centrifugally Cast (Spun) iron PressurePipes for Water, Gas and SewageSpecification for Cast iron Fittings.Methods for Sampling of Cast Iron Pipes and Fittings.Code of Practice for Laying of CI PipesCaulking lead (3 rd revision)1.3 Pipes Centrifugally Cast (Spun) Iron PipesThe spun iron pipes shall conform to IS 1536. The spun iron pipes shall be ofcast iron cast centrifugally and vary in diameters from 80mm to 1050mm.These shall be of class LA, class A and class B, as specified. Each pipe shallhave the following marks either cast, stamped or indelibly painted on it.Marking may be done on the socket faces of pipe centrifugally cast in metalmould or on the outside of the socket or on the barrel of pipe centrifugally castin sand mould.(i)(ii) The nominal diameter;(iii) Class reference;(iv) The last two digits of the year of manufacture.1.4 Dimensions of uncoated socket and barrel of lead joint pipes are given in table1.2 (Refer table 6 : IS 1536:2001) for class LA table 1.3 ( Refer table 7 : IS1536:2001) for class A and table 1.4 ( Refer table 8 : IS 1536:2001) for classB.Urban Administration & Development Department Page 10