| | Sector | abcHealth Services/Equipments | Tender Value | INR 14.16 Lakhs approx. | | Location | West Bengal - India | Ref.No | 86730047 | | Closing Date | 02 - Sep - 2025 | | | | Sinking of nos. mm dia Tube well of UPVC pipe with fibre glass strainer at Harispur within Amdol Piped Water Supply Scheme under Nalhati Sub-Division within Birbhum Division, P.H.E. Dte. (Sl.No.) ,2.0 ,Site Preparation, Temporary Latrine, Placement & levelling of Rig Machine, Mast hoisting and Casing drilling (Upto 6 mtr.) Placement of Casing with all allied works necessary to commence drilling woks and wind up of all machineries after completion of Drilling. ,Drilling by Direct Rotary method of drilling using 9 7/8” dia.bit for pilot bore follwed by subsequently reaming using 12 1/4” dia. ,15 " dia. and 17.5" dia. Rock Roller Bits/Drag Bits in consolidated, semi consolidated and soft formation up to required depth including casing boring and casing lowering as required including cost of fuels and lubricants etc. as required for drilling.
Note
1)Rate only for pilot drilling will be @ 50%. of item rate.
2)Rate for reaming by 12 1/4 " dia. bit will be @ 14% of item rate.
3)Rate for reaming by 15 " dia. bit will be @ 16% of item rate.
4)Rate for reaming by 17.5 " dia. bit will be @ 20% of item rate.
[TW-2, IT. NO.-1, PHE SOR]
From 6 Mtr. to 60 Mtr. ,From 60 Mtr. to 90 Mtr. ,From 90 Mtr. to 120 Mtr. ,Development (Min. 8 Hr. continuous) of tube well by using suitable air compressor (Min. Capacity 600CFM & operating Pressure 14 Bar) followed by yield testing with BHT pump (Head 45 to 50mtr.,Discharge 1100 to 1000 LPM and 25 BHP engine) all complete including To & Fro Transportation cost and Cost of fuels, lubricants & Labour etc. ,Cost of Consumables for drilling rigs and machineries. ,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. ,Supply and delivery of UPVC pipe (CD) conforming to IS 128182010. (CIPET Certified).
(i) 200 mm dia. ,Supply fibre glass reinforced Epoxy resin slotted of 1 mm slot width in 6.10 m length approved make and as per direction of EIC . (7mm wall thickness)
200 mm dia. ,Supply and delivery at site of UPVC End Cap. ( 200 mm dia.) ,Supply and delivery of M.S. Housing clamp 250/200 mm dia. ,Supply and delivery of M.S .Centre guide (Special Type). ,Supply and delivery of Washed gravels size ranging from 1.80 mm to 4.74 mm. conforming to IS 4097 1967. ,Supply and delivery of Bentonite Powder conforming to IS 6186 1986. ,Electro-logging charge. ,Supplying M.S male /female adopter of approved make and brand for coupling of UPVC pipe and fiber glass strainer , as per direction of the Engineer in charge.III) 200 mm. ,Ordinary Cement concrete (mix 124) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes.a) Pakur Variety. ,Supplying, spreading and consolidating Stone Dust to a depth of 100 mm and above at desired density and C.B.R. as per Specification with power roller to proper gradient and camber including watering as necessary, and lighting, guarding, barricading and making adequate earthen bundh where necessary to protect the edges and curing with water for 2 to 3 days, mending cracks and depressions by rolling where necessary including all incidental charges of roller, cost of fuel & lubricants complete as per specification. ,Add GST @18% on sum of Item No. 1 to 18 ,Add Cess @1% on sum of Item No. 1 to 19 |
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