tender for sinking of tubewell for swm project at jharkhali 1 no; 1 tube well 2 labour for boring tubewell of required dia by water jet system through any type of soil strata including hire and labour charges for boring pipes, scafolding, tool and plants as necessary and taking out them and lowering pipes, strainers, blind pipe etc. and fitting and fixing the same complete including bucket washing and other identical works in the connection. the tubewell should have a minimum 50mm gap inbetween the outside of the tubewell pipe and the bore. ( a ) for depth upto 150 metre for 40 mm dia tube well with top enlargement of 100 mm dia. ( i ) 100 mm dia boring etc. top enlargement. 3 labour for boring tubewell of required dia by water jet system through any type of soil strata including hire and labour charges for boring pipes, scafolding, tool and plants as necessary and taking out them and lowering pipes, strainers, blind pipe etc. and fitting and fixing the same complete including bucket washing and other identical works in the connection. the tubewell should have a minimum 50mm gap inbetween the outside of the tubewell pipe and the bore. ( a ) for depth upto 150 metre for 40 mm dia tube well with top enlargement of 100 mm dia. ( ii ) 40 mm dia boring . 4 labour for boring tubewell of required dia by water jet system through any type of soil strata including hire and labour charges for boring pipes, scafolding, tool and plants as necessary and taking out them and lowering pipes, strainers, blind pipe etc. and fitting and fixing the same complete including bucket washing and other identical works in the connection. the tubewell should have a minimum 50mm gap inbetween the outside of the tubewell pipe and the bore. ( b ) for depth more than150 metre . ( i ) 40 mm dia boring. 5 making 1.22 x 1.22 m or 1.5 m dia. cement concrete platform ( 1:3:6 ) 10 cm . thick over a brick flat soling and top finished with cement plaster ( 1:4 ) and neat cement punning includingproviding raised edging at the periphery making outlet including making drain 1.00 m lengthhaving 15 cm water way with above specification. 6 collecting sample of water for bacteriological and chemical test for any depth at any time during execution of the work including hire and labour charges for tools and plants ant sterilising the equipments, paying all charges, testing etc. complete in all respect as per direction. 7 supply & fitting, fixing of materials.100mm x 40 mm reducing pvc socket ( heavy type ) 8 steel cutter 450 mm long with socket of 40 mm dia 9 solvent cement 10 high density polythine strainer of approved make conformint to is specification of 40 mm dia. 11 supplying, fitting and fixing special hand pump no. 6 of approved make ( for 50 mm or 40 mm dia. tube well ) . / maya pump no-6 or similar. 12 supplying, fitting and fixing plug of approved make conforming to i.s. specifications. ( i ) 40 mm dia. 13 pvc rigid pipes & fittings ( medium duty ) conforming to astmd- 1785 and threaded to match with gi pipes as per is-1239 ( part - i ) 40 mm dia 14 supplying, fitting and fixing g.i. cap at top . ( i ) 100 mm 15 pvc rigid pipes & fittings ( medium duty ) conforming to astmd- 1785 and threaded to match with gi pipes as per is-1239 ( part - i ) 40 mm dia 16 pvc rigid pipes & fittings ( medium duty ) conforming to astmd- 1785 and threaded to match with gi pipes as per is-1239 ( part - i ) 100 mm dia 17 supplying, fitting and fixing 65 mm dia. deep well brass cylinder with necessary fittings and accessories. 18 supplying, fitting and fixing 15 mm dia. galv. m.s. connecting rod with sockets. 19 packing the annular space between the out side of the tube well pipes & strainers and the borewith pea size washed gravel of approved quality having size from 2 mm to 5 mm including costof materials labour and equipment complete. 20 construction of circular soak wellintermediate cement brick work ( 1:4 ) band all round and cement brick work ( 1:4 ) upto 0.90 metre from top with 20mm thick cement plastering ( 1:4 ) to inside face upto the depth of cement brick work, 15mm thick cement plaster ( 1:4 ) on outer face from top of the well upto g.l. and 6 mm thick cement plaster ( 1:4 ) on top of the r.c.c. cover slab including filling bottom 1.00 metre of inside of the well with brick metal ( 50 mm to 63 mm size ) including r.c.c. cover slab of 100 mm thick with cement conc ( 1:1.5:3 ) with stone chips with necessary reinforcement and shuttering including one 560 mm dia. r.c.c. manhole cover ( heavy type ) of approved make supplied, fitted and fixed in the cover slab with necessary fittings, making nacessary arrangements for pipe connections, excavation of well including shoring, dewatering a