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| 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. From 6.00 Mtr. to 60.00 Mtr. |
| 3 | 60.00 Mtr.to 90.00 Mtr |
| 4 | 90.00 Mtr to 120.00 Mtr |
| 5 | 120 to 150 Mtr |
| 6 | 150 Mtr to 180 Mtr |
| 7 | 180 Mtr to 210 Mtr |
| 8 | 210 Mtr 240 Mtr |
| 9 | (2)Rate for reaming by 12 1/4 \" dia. bit will be @ 14% of item rate. From 6.00 Mtr. to 60.00 Mtr. |
| 10 | 60.00 Mtr.to 90.00 Mtr |
| 11 | 90.00 Mtr to 120.00 Mtr |
| 12 | 120 to 150 Mtr |
| 13 | 150 Mtr to 180 Mtr |
| 14 | 180 Mtr to 210 Mtr |
| 15 | 210 Mtr 240 Mtr |
| 16 | (3)Rate for reaming by 15 \" dia. bit will be @ 16% of item rate. From 6.00 Mtr. to 60.00 Mtr. |
| 17 | 60.00 Mtr.to 90.00 Mtr |
| 18 | 90.00 Mtr to 120.00 Mtr |
| 19 | 120 to 150 Mtr |
| 20 | 150 Mtr to 180 Mtr |
| 21 | 180 Mtr to 210 Mtr |
| 22 | 210 Mtr 240 Mtr |
| 23 | (4)Rate for reaming by 17.5 \" dia. bit will be @ 20% of item rate.From 6.00 Mtr. to 60.00 Mtr. |
| 24 | 60.00 Mtr.to 90.00 Mtr |
| 25 | 90.00 Mtr to 120.00 Mtr |
| 26 | 120 to 150 Mtr |
| 27 | 150 Mtr to 180 Mtr |
| 28 | 180 Mtr to 210 Mtr |
| 29 | 210 Mtr 240 Mtr |
| 30 | Supply and delivery of Bentonite Powder conforming to IS 6186 :1986. |
| 31 | Supply and delivery of UPVC Cap (B)250 mm dia. (For cap at top) |
| 32 | c) 200 mm dia. (For cap at bottom) |
| 33 | Supply and delivery of UPVC Reducer For 250mmx 200 mm dia.250mmx 200 mm dia. |
| 34 | Supply and delivery of M.S. Housing clamp 250 mm dia. |
| 35 | Supply and delivery of M.S .Centre guide (Special Type). |
| 36 | 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. |
| 37 | Cost of Consumables for drilling rigs and machineries. |
| 38 | Supply and delivery of Washed gravels size ranging from 1.80 mm to 4.74 mm. conforming to IS 4097 : 1967. |
| 39 | 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. |
| 40 | 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) |
| 41 | Water sample collection and chemical test including Arsenic Test. |
| 42 | Electro-logging charge:Electrical logging in the pilot borehole to assess ground water potentiality of alluvial formation with conductivity Test. |
| 43 | Supply and delivery of UPVC pipe (CD) conforming to IS12818:2010. (CIPET Certified) 250 mm dia. |
| 44 | 200 mm dia. |
| 45 | Supply and delivery of UPVC Deep Well Screen (RDS) Pipes with Ribs conforming to IS 12818:2010 .(CIPET Certified)a) 200 mm dia. |
| 46 | Add GST @18% |
| 47 | Add CESS @1% |
