providing water facility for pyt banola ( pri ) -2 excavating trenches of required widthfor pipes, cables etc including excavation of rocks, dressing of sides ramming of bottomsdepth up to 0.50 m including getting out the excavated soil and disposing of surplus soil up to 50 m lead with all kind of soil . 3 providing and fixing of 15 mm dia ( l ) complete with gi fittings excluding trenching and refilling etc. ( external work ) 4 providing and fixing of 20 mm dia ( l ) complete with gi fittings excluding trenching and refilling etc. ( external work ) 5 providing and fixing of 35 mm dia ( l ) complete with gi fittings excluding trenching and refilling etc. ( external work ) 6 filling excavated earth back in trenches 80% qty 7 carriage of g.i. pipe avg. distance1.5 kmby hl 8 providing / fixing of union gi pipes 20 mm 9 providing / fixing of union gi pipes 25 mm 10 providing / fixing of gate valve 20 mm 11 providing / fixing of gate valve 25 mm