laying fitting of pipes for water supply scheme shoul under jjm- 1 earth work in excavation over areas exceeding 30 cm and upto 1.5 m in depth 1.5 m in width as well as 10 sqm on plan inculding disposal of excavated soil upto1mt from cutting edge. 2 a ) all kinds of soil 3 b ) ordinary soft rock 4 providing & fixingm.s flanges to g.i pipes including cost of nuts, bolts, washers etc complete. 5 b ) 80 mm m.s flanges 6 d ) 50mm m.s flange 7 providing and fixing of m.s bends tees, unions , elbows nipples etc 8 m.s bends 9 unions 10 tees 11 elbows 12 laying & fittingof g.i pipes . 13 c ) 40 mm g.i pipe 14 d ) 25 mm g.i pipe 15 e ) 20 mm g.i pipe 16 f ) 15 mm g.i pipe 17 back-filling of available excavated soil into the trench excluding rock. 18 providing & fixing regulation valves as per site requirement of approved make like kriloskar, vag etc including p / f of tail pieces etc complete 19 b ) 100 mm dia sluice valve 20 carriage of material from source to dumping site at road by mechanical transport. 21 k ) 80 mm to 15 mm g.i pipe ( 10 km )