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| Tender ID | 21168 |
|---|---|
| Organisation Name | Public Health Engineering Department |
| Tender Brief | Corrigendum : Sinking Of Big Dia. Tube Well, Inter Connection Beteween Tw Existing Pipe Line, Construction Of Pump House Of Betahal Piped Water Supply Scheme At Harishchandrapur-ii Block Of Malda District Under Malda Division, Phe Dte, Govt. Of West Bengal. |
| Last Date For Submission | 25th Apr, 2026 |
| Opening Date | 27 Apr, 2026 |
| Document Cost | 0.00 |
|---|---|
| EMD | 34755.00 |
| Estimated Cost | 1737528.00 |
| City | HARISHCHANDRAPUR |
|---|---|
| State | West Bengal |
| # | Item | Qty | Units |
|---|---|---|---|
| 1 | Part A-1 :-Sinking of 200mm (all through) Big dia. Tube Well of 150 Mtr. Deep | ||
| 2 | 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. | 1.00 | /L.S. |
| 3 | 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. | ||
| 4 | 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. | ||
| 5 | (A) Rate only for pilot drilling will be @ 50%. of item rate. |
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