annual maintenance w/s sch. palwal town distt. palwal.- estimate cost :- 2520.16 lakh ` dnit for maintenance works, supply of materials etc. for water supply scheme palwal town and all other works contingent there to in palwal town.` - 1 erection- empire tape roll 10 mtr. 2 ci clamp 3` 3 ci clamp 4` 4 digital ampere meter 0 to 100 5 digital voltmeter 0 to 100 6 empty panel box 7 rubber packing 3` 8 rubber packing 4` 9 single phase preventer 10 compound tape 11 glain dori - 12 nrv supply of 10 mm silicon rubber sheet heavy duty for 13 nut and bolt mix size 14 supply of grease of approved quality 15 starter oil 16 copper cable 1.5 sqmm 17 carriage of materials to urban area site or returned to destination complete in all respect