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Sinking Of 1 No. Deep Tubewell By D.R. Rig Method At Pump House No. - 2 Of Janaphul Water Supply Scheme Within The Jurisdiction Of Habra Sub-Division, Under Barasat Division, P.H.E. Dte., habra-West Bengal

Public Health Engineering Department-PHED has published Sinking Of 1 No. Deep Tubewell By D.R. Rig Method At Pump House No. - 2 Of Janaphul Water Supply Scheme Within The Jurisdiction Of Habra Sub-Division, Under Barasat Division, P.H.E. Dte.. Submission Date for this Tender is 20-03-2023. Pump Supply Tenders in habra West Bengal. Bidders can get complete Tender details and download the document.




Tender Notice

36497363
Sinking Of 1 No. Deep Tubewell By D.R. Rig Method At Pump House No. - 2 Of Janaphul Water Supply Scheme Within The Jurisdiction Of Habra Sub-Division, Under Barasat Division, P.H.E. Dte.
Open Tender
Indian
West Bengal
habra
20-03-2023

Tender Details

Sinking Of 1 No. Deep Tubewell By D.R. Rig Method At Pump House No. - 2 Of Janaphul Water Supply Scheme Within The Jurisdiction Of Habra Sub-Division, Under Barasat Division, P.H.E. Dte.

Key Value

Document Fees
Refer document
EMD
INR 28991.0 /-
Tender Value
INR 14.49 Lakhs /-

BOQ Items

Name of Work: Sinking of 1 no. 250 mm. x 150 mm. dia. 270 mtr deep tubewell by D.R. Rig method having 250 mm. dia. 36 mtr. long housing pipe & 150 mm. dia. 30 mtr. long Filter at Pump House No. - 2 of Janaphul water supply scheme within the jurisdiction of Habra Sub-Division, under Barasat Division, P.H.E. Dte.
Sl. No. Item Description
1Site 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.
2Drilling 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. Rate only for pilot drilling will be@50% of item rate - (a) From 6 Mtr. to 60 Mtr.
3b) From 60 Mtr. to 90 Mtr.
4c) From 90 Mtr. to 120 Mtr.
5d) From 120 Mtr. to 150 Mtr.
6e) From 150 Mtr. to 180 Mtr.
7f) From 180 Mtr. to 210 Mtr.
8g) From 210 Mtr. to 240 Mtr.
9h) From 240 Mtr. to 270 Mtr.
10Drilling 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: 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.
11b) From 60 Mtr. to 90 Mtr.
12c) From 90 Mtr. to 120 Mtr.
13d) From 120 Mtr. to 150 Mtr.
14e) From 150 Mtr. to 180 Mtr.
15f) From 180 Mtr. to 210 Mtr.
16g) From 210 Mtr. to 240 Mtr.
17h) From 240 Mtr. to 270 Mtr.
18Lowering the tube well assembly (UPVC Casing pipe ,well pipe, strainer along with UPVC accessories) vertically in a position with proper lowering arrangement by applying necessary jointing compound including labour cost for subsequent gravel packing and machine operation cost etc.
19Cost of Consumables for drilling rigs and machineries
20Development (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.
21Water sample collection and chemical test including Arsenic Test.
22Transportation cost of drilling equipment and accessories rig machine etc. including cost of fuel,Lubricant & loading unloading the materials from store/stack yard /suppliers godown and unloading /stacking the same at site. (Upto 60.0 km distance)
23Supply and delivery of UPVC pipe (CD) conforming to IS 12818:2010. (CIPET Certified)
24250 mm dia
25150 mm dia
26Supply and delivery of UPVC Deep Well Screen (RDS) Pipes with Ribs conforming to IS 12818:2010 .(CIPET Certified) - 150 mm dia
27Supply and delivery of UPVC Reducer- 250mm x 200mm dia
28Supply and delivery of UPVC Reducer- 200mm x 150mm dia
29Supply and delivery of UPVC Cap - 250 mm dia.
30Supply and delivery of UPVC Cap - 150 mm dia.
31Supply and delivery of M.S. Housing clamp 250 mm dia.
32Supply and delivery of M.S .Centre guide (Special Type)
33Supply and delivery of Washed gravels size ranging from 1.80 mm to 4.74 mm. conforming to IS 4097 : 1967.
34Supply and delivery of Bentonite Powder conforming to IS 6186 : 1986..
35Electro-logging charge.
36Packing 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.
37Add : GST (@ 18%)
38Add : Cess (@ 1%)
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