Boring Works Near Dhan Bdr Chhetri Land At South Chenga. Within 15Th Cfc (Tied) Under Chenga Panighatta G.P. Mirik, Dist- Darjeeling, Chenga-West Bengal
TDR : 50200130
Tender Notice
BOQ
Expired
Chenga
West Bengal
Boring Works Near Dhan Bdr Chhetri Land At South Chenga. Within 15Th Cfc (Tied) Under Chenga Panighatta G.P. Mirik, Dist- Darjeeling
Name of Work: Boring works near Dhan Bdr Chhetri land at South Chenga. within 15th CFC (Tied) under Chenga Panighatta G.P. Mirik, Dist- Darjeeling.
Sl. No.
Item Description
1
Labour for boring through any type of soi for sinking tubewell of required dia. with top enlargement by rig boring system either by reserve circulation or by direct rotary method)including hire charges and labour for rig machine, tools and plants, staging, force pumping set and making arrangement for water required for boring etc. complete and lowering of pi;es, strainers, blind pipes etc. complete. For depth upto 250 metre for 150 mm dia. Tube well with top enlargement of250 mm dia.(upto 50 metre).First 50 metre.
2
Labour for jointing and lowering G.I. or E.R.W. M.S. pipes including strainer within the tube well bore vertically with necessary sockets, special fittings and welding as required including cost of all jointing materials, hire charges of tools and plants, cutting pipes to required sizes, making threads, welding pieces together etc. as necessary as per direction of the Engineer-in-Charge.Above 100 mm dia. and upto 200 mm dia. pipe.
3
Supply of PVC pipes & fittings of Schedule 80 (medium duty) conforming to ASTMD-1785 and threaded to match with G.I. Pipes as per IS:1239 (Part-I).P.V.C Pipes.100 mm.
4
Supplying PVC strainer of approved make with adapter conforming to I.S.12818 specifications.100 mm dia. (internal).
5
Supplying, fiting and fixing G.I. cap at top.100mm
6
Washing and developing tube well with air compressor pump and engine for 8 (eight) hours continuous pumping per dayk with necessary arrangements for testing kthe yield in gallons per hour with \"V\" notch including hire & labour charges for all tools and plants and scaffolding as required.
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