Sinking of deep tubewell near house of Idris Gayen at Beluni.-118434135/120

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, scaffolding, tools 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 incidental works in the connection. The tubewell should have a minimum 50 mm. gap in between the outside of the tubewell pipe and the bore. For depth upto 150 m. for 40 mm. dia. tubewell with top enlargement of 100 mm. dia. 100 mm. dia. boring etc. top enlargement.

40 mm. dia. boring etc.

For depth more than 150 m. for 40 mm. dia. tubewell with top enlargement of 100 mm. dia. 40 mm. dia. boring etc. beyond 150 m.

Supply of solvent cement.

Supplying, fitting and fixing 40 mm. dia. steel cutter piece upto 450 mm. long with sockets.

Supplying, fitting and fixing 40 mm. dia. plug of approved make conforming to IS specifications.

Supplying 40 mm. dia. high density polythene strainer of approved make with adapter conforming to IS specifications.

Supply of PVC pipes and fittings (schedule 80-medium duty) conforming to ASTMD-1785 and threaded to match with GI pipes as per IS 1239 (Part-I). 100 mm. dia.

40 mm. dia.

Supply of 100 mm. x 40 mm. dia. PVC reducing socket (medium duty).

Supplying, fitting and fixing India Mark II DWP Hand Pump set containing pump, 8 nos. (3.00 m. length each) 32 mm. dia. GI medium pipe, 8 nos. (3.00 m. length each) 12 mm. dia. connecting rod, Mark II cylinder as per PHED with all accessories complete.

Construction of tubewell platform (1.20 m. x 1.20 m.) with 75 mm. thick cement concrete (6:3:1) using 20 mm. down jhama chips over a layer of single brick flat soling including necessary earthwork and ramming, 125 mm. x 75 mm. (thick) band set in cement mortar (4:1) on all sides keeping outlet for drainage and 12 mm. thick cement plaster (4:1) with neat cement finishing to the exposed surface including the concrete surface below ground level in the periphery of the land including 1.20 m. length surface drain with necessary shuttering and curing complete in all respect with all labours and materials.

Collecting sample of water for bacteriological and chemical test from any depth at any time during execution of work including hire and labour charges for tools and plants and sterilising the equipments, paying all charges and fees, testing etc. complete in all respect as per direction.

Supplying, fitting and fixing Marble Plate with inscription of work (400 mm. x 250 mm.).

Submitting pre-mid-post work photographs.