South Eastern Coalfields Limited-SECL has published Tender For Drilling And Construction Of Total 08 Nos Piezometer At Jamuna Ug (02 Nos), Amadand Bartarai Ug (02 Nos), Govinda Ug (02 Nos) And Bhadra Ug (02 Nos) Of Jk Area.. Submission Date for this Tender is 13-05-2024. Drilling Work Tenders in Anuppur Madhya Pradesh. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 04-May-2024 | DATE CORRIGENDUM IN NIT | Other | 09-05-2024 |
| 2 | 09-May-2024 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 13-05-2024 |
| Sl. No. | Item Description |
| 1 | Preparatory work for carrying out drilling work (including surface dressing, making channel including mobilisation & demobilisation. |
| 2 | Boring/drilling bore well of required dia for casing/ strainer pipe, by suitable method prescribed in IS: 2800 (part I), including collecting samples from different strata, preparing and submitting strata chart/ bore log, including hire & running charges of all equipments, tools, plants & machineries required for the job, all complete as per direction of Engineer-in-charge, upto 90 metre depth below ground level. All types of soil 300 mm dia |
| 3 | Supplying, assembling, lowering and fixing in vertical position in bore well, ERW (Electric Resistance Welded) FE 410 mild steel screwed and socketed/plain ended casing pipes of required dia, conforming to IS: 4270, of reputed & approved make, including painted with outside surface with two coats of anticorrosive paint of approved brand and manufacture, including required hire & labour charges, fittings & accessories, all complete, for all depths, as per direction of Engineer-in-charge.150 mm nominal size dia having minimum wall thickness 5.00 mm |
| 4 | Supplying, assembling, lowering and fixing in vertical position in bore well, ERW (Electric Resistance Welded) FE 410 plain slotted (having slot of size 1.6/3.2 mm) mild steel threaded and socketed/ plain bevel ended pipe (type A) of required dia, conforming to IS: 8110, of reputed and approved make, having wall thickness not less than 5.40 mm, including painted with outside surface with two coats of anticorrosive bitumestic paint of approved brand and manufacture, including hire & labour charges, fittings & accessories, all complete, for all depths, as per direction of Engineer -in-charge. 150 mm nominal size dia |
| 5 | Providing and fixing Bail plug/ Bottom plug of required dia to the bottom of pipe assembly of tubewell as per IS:2800 (part I). 150 mm dia |
| 6 | Development of tube well in accordance with IS : 2800 (part I) and IS: 11189, to establish maximum rate of usable water yield without sand content (beyond permissible limit), with required capacity air compressor, running the compressor for required time till well is fully developed, measuring yield of well by "V" notch method or any other approved method, measuring static level & draw down etc. by step draw down method, collecting water samples & getting tested in approved SUB HEAD : 23- RAIN WATER HARVESTING & TUBEWELLS 2022 laboratory, i/c disinfection of tubewell, all complete, including hire & labour charges of air compressor, tools & accessories etc., all as per requirement and direction of Engineer-in-charge. |
| 7 | Providing and fixing suitable size threaded mild steel cap or spot welded plate to the top of bore well housing/ casing pipe, removable as per requirement, all complete for borewell of: |
| 8 | Gravel packing in tubewell construction in accordance with IS: 4097, including providing gravel fine/ medium/ coarse, in required grading & sizes as per actual requirement, all complete as per direction of Engineer-in-charge. |
| 9 | Construction of cement concrete platform (1:2:4) for protection of casing pipe i/c cost of excavation, concrete all complete as per direction of engineer-in-charge, (size of platform 2.00 metre diameter & 150 mm thick concrete with plaster & neat cement punning). |
| 10 | Providing sand pack (2 m) to prevent entry of the cement slurry from cement sealing into gravel pack and for separating two aquifer zones after gravel pack into annular space of well. |
| 11 | Providing bentonite sealing (2 m) to prevent entry of the groundwater from top aquifer into piezometer |
| 12 | Providing cement sealing (2 m) to prevent entry of the groundwater from top aquifer into piezometer |
| 13 | Providing clay filling above cement seal up to ground level but below sanitary seal to prevent entry of the surface and sewage water at top |
| 14 | Total Impact of GST for The Purpose of CTC |
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