IS 458 : 2003 – Precast Concrete Pipes (With and Without Reinforcement) - Specification (Fourth Revision) IS 1172 : 1993 - Reaffirmed in 1998 – Code of Basic Requirements for Water Supply, Drainage and Sanitation IS 1200 (Part 19) : 1981 - Reaffirmed in 2002 – Method of Measurement of Building...
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