Sinking Of 1 Nos. Tube Well 100 Mm Dia. 60 Mtr. Deep By Water Jet System Fitted With Mark -Ii Hand Pump At Churamonipur Village Under Ramsagar G.P Of Bankura Sadar Sub-Division Under Bankura Division, P.H.E. Dte., Bankura-West Bengal
TDR : 39844435
Tender Notice
BOQ
Expired
Bankura
West Bengal
Sinking Of 1 Nos. Tube Well 100 Mm Dia. 60 Mtr. Deep By Water Jet System Fitted With Mark -Ii Hand Pump At Churamonipur Village Under Ramsagar G.P Of Bankura Sadar Sub-Division Under Bankura Division, P.H.E. Dte.
Name of Work:Sinking of 1 Nos. Tube Well 100 mm dia. 60 Mtr. deep by water jet system fitted with Mark -II Hand Pump at Churamonipur Village under Ramsagar G.P of Bankura Sadar Sub-Division under Bankura Division, P.H.E. Dte.
Sl. No.
Item Description
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.
2
(ii) 100 mm dia. boring etc. top enlargement
3
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).
4
PVC Pipes
5
100 mm
6
Supplying PVC strainer of approved make with adapter conforming to I.S.12818 specifications.
7
(iv) 100 mm dia.
8
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-incharge including cost of all materials labour and equipment complete.
9
Note: Initial 6 m. of Annular space between the housing pipe and the bore should not be shrouded with Pea size gravel to avoid contamination with surface water.
10
Lowering 100 mm dia . Pipe (PVC) in over burden with fittingixing joining the assembly with coupler or otherwise upto a depth as required and grouting the same with quick fix cement mortor (1:2:3) as per direction of E.I.C.
11
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.
12
Construction of Platform and installation of India Mark-II hand pump as per technical specification.N.B1. Necessary cement, sand and stone chips are to be supplied by the agency and construction of platform is to be done in 1:2:4 ratios.2. No transportation charge for transporting the any material from PHE store to sites and sites to PHE store will be paid by PHE Dte.
13
Supply and delivery of India Mark-II hand pumps as per standard specification approved by PHE Dte.
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