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

Table No.6.9Nominal Size of Valves (mm)Min Mass (kg)500 1450600 2040700 2250750 2450800 2540900 34801000 40006.5.10 Testing Before coating each valve shall be subject to hydrostatic test shallbe carried out with water. Test pressures and duration of test shall be asspecified in Table No.6.10Table No.6.10Test Pressure (Gauge) and test duration of Valves IS 5312 (Part-2)PN Rating of Valve Test Test Pressure (Gauge), Min Test Duration (Min)MPaMinutesPN 0.6 Body test 0.9 2Seat test 0.6 2PN.1 Body test 1.5 2Seat test 1.0 26.6 Measurement6.7 Rates:Sluice valves, butterfly valves, air valves and non returns valves shall bemeasured in numbers and shall be paid for including the cast the insertions andfasteners including labour as per item. Excavation refilling masonry andconcrete work. Whenever required shall be measured and paid for under therelevant item of work.The rate shall include the cast of the material and labour involved in all theoperation described in the item.Urban Administration & Development Department Page 73