providing, laying, fitting and testing commissioning of various distribution lines of different mohras of pyt. tehr under wss ther under nrdwp- 1 earth work in excavation by manual means in trenches for foundations, drains, pipes, cables etc. ( not exceeding 1.5 mtr. in width ) and for shafts, wells, cesspits and the like not exceeding 10 sqm. on plan, depth upto 1.5 mtr. including disposal of excavated earth upto 1 mtr. from cutting edge, disposed earthis to be levelled and neatly dressed in all kinds of soil trenches size 100 mm ( 0.90x0.70 ) , 80mm ( 0.80x0.60 ) , 65 mm ( 0.70x0.50 ) , 50mm ( 0.60x0.50 ) , 40mm ( 0.55x0.40 ) , 25mm ( 0.40x0.40 ) , 20mm ( 0.30x0.30 ) 2 providing and fixing ofg.i pipes complete with g.i fitting excluding trenching and refilling etc ( external work ) 65 mm dia 3 providing and fixing ofg.i pipes complete with g.i fitting excluding trenching and refilling etc ( external work ) 50 mmdia 4 providing and fixing ofg.i pipes complete with g.i fitting excluding trenching and refilling etc ( external work ) 40 mm dia 5 providing and fixing ofg.i pipes complete with g.i fitting excluding trenching and refilling etc ( external work ) 32 mm dia 6 providing and fixing ofg.i pipes complete with g.i fitting excluding trenching and refilling etc ( external work ) 25 mm dia 7 welding by electric plant including transportation of electric welding plant at site etc. complete 8 providing and fixing gun metal gate valve with c.i wheel of approved quality ( screwed end ) 65mm nominal bore 9 providing and fixing gun metal gate valve with c.i wheel of approved quality ( screwed end ) 50mm nominal bore 10 providing and fixing gun metal gate valve with c.i wheel of approved quality ( screwed end ) 40mm nominal bore 11 filling avaialble excavated earth ( excluding rock ) in trenches, plinth, sides of foundation etc. 12 providing and fixing c.i sluice valves ( with cap ) complete with bolts, nuts, rubber insertions etc. ( the tail pieces if required will be paid separately. 80mm dia class ist