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| 1 | Labour for boring tube well 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 tube well should have a minimum 50 mm gap in between the outside of the tubewell pipe and the bore.(d) For depth upto 150 metre for 50 mm dia. tube well with top enlargement of 100 mm dia.(i) 50 mm dia. boring etc. |
| 2 | (ii) 100 mm dia. boring etc. top enlargement |
| 3 | Supplying, fitting and fixing steel cutter piece upto 450 mm long with sockets.(ii) 50 mm dia. |
| 4 | Supplying, fitting and fixing plug of approved make conforming to I.S. specifications.(ii) 50 mm dia. |
| 5 | Supplying, fitting and fixing heavy type bell mouth reducing socket.(i) 50 mm X 100 mm |
| 6 | Supply of PVC pipes & fittings Schedule 80 (medium duty) conforming to ASTMD - 1785 and threaded to match with GI Pipes as per IS : 1239 (Part - I).(A) PVC Pipes (Dia) 50 mm dia. |
| 7 | 100 mm dia. Tubewell pipe |
| 8 | (B) Socket (Dia)50 mm dia. |
| 9 | 100 mm dia. |
| 10 | Supplying PVC strainer of approved make with adapter conforming to I.S.12818 specifications.(ii) 50 mm dia. |
| 11 | Supplying, fitting and fixing PVC pipes of approved make of Schedule 80 (medium duty) conforming to ASTMD - 1785 and threaded to match with GI Pipes as per IS : 1239 (Part - I). with all necessary accessories, specials viz. socket, bend, tee, union, cross, elbo, nipple, longscrew, reducing socket, reducing tee, short piece etc. fitted with holder bats clamps, including cutting pipes, making threads,fitting, fixing etc. complete in all respect including cost of all necessary fittings as required,jointing materials and two coats of painting with approved paintin any position above ground. (a) For Exposed Work, PVC Pipes40mm Dia. |
| 12 | Supplying, fitting and fixing 300 mm M.S. housing clamp of approved quality. |
| 13 | Packing the annular space between the outside of the tube well pipes & strainers and the bore with pea size washed gravel of approved quality having size from 2 mm to 5 mm or the size approved by the Engineer-in-charge including cost of all materials labour and equipment complete. |
| 14 | Packing annular space between the outside of the housing pipe and the bore with puddled clay balls of approved size as per direction of the Engineer-in-charge with cost of all materials and labour complete. |
| 15 | Washing and developing tube well with air compressor pump and engine for 8 (eight) hours continuous pumping per day with necessary arrangements for testing the yield in gallons per hour with \"V\" notch including hire and labour charges for all tools and plants and scaffolding as required. |
| 16 | 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. |
| 17 | Supplying and laying Polythene Sheet (150gm / sq.m.) over damp proof course or below flooring or roof terracing or in foundation or in foundation trenches.for tubewell base |
| 18 | (I) Cement concrete with graded stone ballast (40 mm size excluding shuttering) In ground floor (A)[Pakur Variety] (a) 1:3:6 proportion for tubewell base |
| 19 | Supplying, fitting and installation one no. submershible pump having 3HP, 3 Phase Motor with Pump K.W. 2.2 |
| 20 | Supplying and fitting of 2.5 Sq. mm. Cable with approved brand and make for KSB. |
| 21 | Supplying and fitting of Control Panel 3 HP pumps set with approved brand and make for BCH. |
