bids are invited for repair, maintenance, and installation of plant/ systems/equipments (version 2) - government work; as per attached scope of work; service provider--earth work in ordinary soil excavation by machanical/maual in trenches including dressing of sides and ramming of bottemswith lift upto 1.50 m and lead upto 50 m. 0.00 to 1.50 m supply of fallowing pipes including freight, insurance, loading, unloading and cartage to site ete complete 150 mm dia di pipe supply of d.i. specialsuch as bend,tailpeice etc for the above pipe line @ 10% of item 4 supply of 110 mm pn-6 pe-100 hdpe pipes including freight, insurance, loading, unloading and cartage to site etc complete supply of hdpe specials such as bend,tailpeice etc for the above pipe line @ 5% of item 6 carting, lowering in to trenches and laying true to alignment of following di pipe 150 mm dia di pipe carting, lowering in to trenches and laying true to alignment of 110 mm pn-6 pe-100 hdpe pipes. supply and fixing offallowing sizes c.i. d/f sluice valve as per i.s. 780-1960 tested to 10 kg per sq. cm including supply of all labour jointing material fraight etc all complete. 100 mm dia 150 mm dia