Tender For Sinking Of 01 (One) No. Rig Bored 250Mm X 150Mm Dia. & 360 Mtr. Deep Tubewell By Rotary Method At 2Nd Tubewell Site For Dakshin Kashi Pwss Of Mograhat-Ii Block Under South 24-Parganas W/S Division-I, Phe Dte. For Augmentation Of Surface Wa
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Project Description
Tender for Sinking Of 01 (One) No. Rig Bored 250Mm X 150Mm Dia. & 360 Mtr. Deep Tubewell By Rotary Method At 2Nd Tubewell Site For Dakshin Kashi Pwss Of Mograhat-Ii Block Under South 24-Parganas W/S Division-I, Phe Dte. For Augmentation Of Surface Water Based W/S Scheme In The Arsenic Affected Areas Of South 24 Pgs District. [Sm/14870]
BOQ
| Sl. No. | Item Description |
| 1 | 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. |
| 2 | 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. |
| 3 | From 6 Mtr. to 60 Mtr. (Reming by 17.5\\" dia Bit) |
| 4 | From 60 Mtr. to 90 Mtr. (Reming by 17.5\\" dia Bit) |
| 5 | From 60 Mtr. to 90 Mtr.(Reming by 15\\" dia Bit) |
| 6 | From 90 Mtr. To 120 Mtr.(Reming by 15\\" dia Bit) |
| 7 | From 120 Mtr. to 150 Mtr.(Reming by 15\\" dia Bit) |
| 8 | From 150 Mtr. to180 Mtr.(Reming by 15\\" dia Bit) |
| 9 | From 180 Mtr. to 210 Mtr.(Reming by 15\\" dia Bit) |
| 10 | From 210 Mtr. to 240 Mtr.(Reming by 15\\" dia Bit) |
| 11 | From 240 Mtr. to 270 Mtr.(Reming by 15\\" dia Bit) |
| 12 | From 270 Mtr. to 300 Mtr.(Reming by 15\\" dia Bit) |
| 13 | From 300 Mtr. to 330 Mtr.(Reming by 15\\" dia Bit) |
| 14 | From 330 Mtr. to 360 Mtr.(Reming by 15\\" dia Bit) |
| 15 | Supply and delivery of Bentonite Powder conforming to IS 6186 : 1986 (@40 Kg/mtr. For averagedepth of 150 mtr.) |
| 16 | Supply and delivery of UPVC Cap |
| 17 | a) 250mm dia (For Cap at Top) |
| 18 | b) 150nn dia (For Cap at Bottom) |
| 19 | Supply and delivery of UPVC Reducer. |
| 20 | (a) 250mmx150mm dia (250mm x 200mm - 1 no & 200mm x 150mm - 1 no) |
| 21 | Supply and delivery of M.S. Housing clamp 250 mm dia. |
| 22 | Supply and delivery of M.S .Centre guide (Special Type). |
| 23 | Lowering 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. |
| 24 | Cost of consumables for drilling rigs and machineries. |
| 25 | Supply and delivery of Washed gravels size ranging from 1.80 mm to 4.74 mm. conforming to IS 4097 : 1967. |
| 26 | Packing the side of the tube well housing pipe with puddle clay & with good quality local earth as per direction |
| 27 | 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.The optimum discharge of 1500 LPM has to be shown during yield test as per the direction of EIC as working discharge of the tubewell will be 60% of the optimum discharge |
| 28 | Labour for making arrangement for showing vertically test including the cost of hire charges of tools & plants, scafolding , labour etc. all complete. |
| 29 | Water sample collection and chemical test including Arsenic Test. |
| 30 | Electrical-logging charge:Electrical logging in the pilot borehole to assess ground water potentiality of alluvial formation with conductivity test. |
| 31 | Transportation 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) |
| 32 | Supply and delivery of UPVC pipe (CD) conforming to IS 12818:2010. (CIPET Certified) |
| 33 | a) 250mm dia |
| 34 | b) 150mm dia |
| 35 | Supply and delivery of UPVC Deep Well Screen (RDS) Pipes with Ribs conforming to IS 12818:2010 .(CIPET Certified) |
| 36 | b) 150mm dia |
| 37 | Add GST @ 18% on all items (Except Item No 11) |
| 38 | Add CESS @ 1% on all items (Except Item No 11) including GST Please Enable Macros to View BoQ information |
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