tender for deposit-uwss to kothamangalam-extension of pipeline at sunday school road ward 28 -pipeline work - working charge 2 100.1.1:excavating trenches of required width for pipes, cables, etc., including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20cm in depth, including consolidating each deposited layer by ramming, watering, etc., and disposing of surplus excavated soil as directed, within a lead of 50m, in all kinds of soil. 3 100.9.6:laying upvc pipes of class 2 to class 6 and specials, lowering to the trenches already made, placing in position aligning the pipeline to the lines and levels and jointing the pipes and specials with solvent cement and testing the pipeline with water to the required test pressure (excluding cost of pipes and specials): 63 mm nominal outside diameter pipes. 4 od310293/2023-2024:conveying and fixing g.i. pipes complete with g.i fittings including trenching and refilling etc. external work50 mm dia nominal bore 5 od186042/2023-2024:interconnection the existing line with new line using contractors own specials including cost of materials , labour charges earth work excavation etc. complete (up to 150 mm diameter main line) 6 supply of material 7 100.98.221:supply of pvc pipe, 8kg/cm2, 63mm dia. 8 od310291/2023-2024:supply of 50mm gi (m) pipe