laying and fitting of pipes for water supply scheme tongard khiram 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 c ) 65 mmm.s flanges 6 d ) 50mm m.s flange 7 laying in position centrifugally cast ( spun ) iron s&s or flanged pipes ( excluding cost of pipes ) 8 providing push-on-joints to centrifugally ( spun ) cast iron pipes or ductile iron pipes including testing of joints. 9 c ) 100 mm d.i pipe 10 d ) 80 mm d.i pipe 11 providing and fixing of m.s bends tees, unions , elbows nipples etc 12 m.s bends 13 unions 14 tees 15 elbows 16 laying & fittingof g.i pipes . 17 a ) 65 mm g.i pipe 18 b ) 50 mm g.i pipe 19 d ) 25 mm g.i pipe 20 e ) 20 mm g.i pipe 21 f ) 15 mm g.i pipe 22 making connections of g.i branch with g.i main including providing & fixing tees etc complete. 23 back-filling of available excavated soil into the trench excluding rock. 24 carriage of material from source to dumping site at road by mechanical transport. 25 h ) 200mm di pipe ( 10km ) 26 k ) 100mm d.i to 15 mm g.i pipe ( 18 km ) 27 extra carriage of pipes from nearest dumping site to actual site of work by manual labour for 28 a ) 200mm di pipe ( 1km ) 29 d ) 80 to 15 mm g.i pipe ( 400 mts )