bids are invited for repair replacement of unsv pipeline 1 8 excavation in trenches not exceeding 1 point 5 mtr wide and not exceeding 1 point 5 deep and getting out in dense , returning filling in trenches including spreading comma leveling comma watering and well ramming in layers not exceeding 25 cm , removing excavated material not exceeding 50 mtr and depositing where directed as a level not exceeding 1 point 5 mtr , taking out unserviceable 80 mm ci water main from trenches including fitting oblique fixtures like bend comma tee comma union elbow , supply and laying 80mm ci pipe with spigot and socket centrifugally cast class la comma confirming to is-1536 of 2001 in any length laid in trenches , supply and fixing of 20mm ball brass float valves comma high pressure with polythene float and flynut complete screwed for iron pipe or brass ferrule , supply and fixing of 25mm ball brass float valves high pressure with polythene float and flynut complete screwed for iron pipe or brass ferrule incl connector total quantity : 214