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

Water Supply pipes lines should be disinfected before commissioning.15.17.24 Measurement15.17.24.1 The measurements for excavation in trenches shall be done in followingmanner and will be paid accordingly.a). Length shall be measured as per actual length of pipe.b) Fittings and specials shall be measured by numbers.c) Width and cross section shall be taken as per the drawing.d) Measurement of depth shall be taken as per average depth oftrench from ground level to invert of pipe plus thickness of bedding.15.17.24.2 Measurement for pipes and fittings / specials shall be in accordance with therelevant clause of specification for specified types of pipes.Excavation of asphalt road and reinstatement of road shall be measured on persquare metre basis and the length and width at top of trench shall beconsidered same as those mentioned for excavation of trench.15.17.24.3 The measurement for removal of excess excavated material upto a specifieddistance shall be as per the relevant item(s) in the schedule of Quantities andRates and shall be measured on cubic meter basis. In case of soil 30%deduction shall be done to take account for voids where as it will be 40% incase of rubble.15.18 RateRate shall include the cost of all the materials and labour involved in all theoperations described above.Urban Administration & Development Department Page 196