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NTID 44276535
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💬 Talk to Our Bidding ExpertBorehole Drilling Borehole Log in Pondicherry - Complete Tender Details
Find eligibility criteria, important deadlines, bidding requirements, and download official documents for "Borehole Drilling Borehole Log" in Pondicherry, India.
Kerala Development Innovation Strategic Council
Pondicherry, Pondicherry, India
NTID 44276535
- Opening Date : Thu 19th March, 2026
- Closing Date : Wed 18th March, 2026
- ₹ 1500000.00
- NTID 44276535
Key Values: Document Cost: 2655.00 | EMD: 37500.00 | Estimated Cost: 1500000.00
Tender Description
Borehole Drilling Borehole Loggin Sampling Laboratory Testing And Reporting Activities At Madasseri Mala Kanichar Grama Panchayath Kannur District Kerala
Documents
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Document-1
721.3 kBOil_India_ExtraDoc...Oil_India_ExtraDocument-GCO0449P23.pdf
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Document-2
721.3 kBOil_India_ExtraDoc...Oil_India_ExtraDocument-GCO0449P23.pdf
Costs
-
EMD
37500.00 -
Document Cost
2655.00 -
Estimated Cost
1500000.00
BOQ Items Total Items : 8 | Total Qty : 181
| # | Item | Quantity | Units |
|---|---|---|---|
| 1 | " Drilling borehole and installing borehole sensors as part of implementing Landslide Early Warning Sytem " | ||
| 2 | Borehole is to be made at a minimum seven (07) locations. Locations will be provided on the site map separately. Drilling is to be carried out as per IS 1892: 2021 through 100 mm/125 mm nominal diameter boreholes. ABS casing is to be provided throughout the depth of the drilled hole. Maximum borehole depth to be drilled is 210 m with varying depth from the existing ground level and up to a depth of 2m into the bedrock (unweathered bedrock). Number of boreholes may vary based on achieving the required depth. A percussion or rotary core drilling method is to be used for borehole excavation. The boring includes the drilling in overburden material. However, if bedrock is encountered, the drilling is to be carried out further 2 m into the unweathered bedrock. The amount will be released as per Actuals. | 10.00 | Nos |
| 3 | Once the hard stratum (rock) is met with (hard stratum is confirmed by geologist/site in-charge), further drilling is to be carried out by HX core drilling with TC/Diamond bits as per IS 6926: 1996 (RA 2020) by using double core/triple core barrel up to 2 m into the bedrock. Each run of the core drilling is to be properly recorded with core logging. At the end of each run, the drill rod string with the core barrel is to be extracted and the core is to be recovered.The cores are to be carefully transferred to the core boxes and properly preserved, numbered, labelled, and photographed for reporting purposes. The rock core recovery (C.R.) percentage and Rock Quality Designation (RQD) are to be recorded. Some of the cores are to be sent to the laboratory for determining density and specific gravity of rock (IS 13030: 1991, RA 2021), uniaxial compressive strength (UCS) of rock samples of NX size (IS 9143: 1979, RA 2021), determination of shear strength of rock materials in triaxial compression as per IS 13047: 1991(Reaffirmed Year: 2021). The amount will be released as per Actuals. | 10.00 | Nos |
| 4 | ABS casing pipe diameter 70 mm, Casing pipes should be along the complete drill length of the borehole having precision-machined threaded ends (V-threads or trapezoidal threads) or quick-joint (QJ) flush couplings, ensuring a watertight, self-aligning connection without the need for solvent cement. Top ABS caps (at least 10 nos.) to fit 70 mm OD & Bottom ABS casing caps (at least 10 nos.) to fit 70 mm OD. Joints may be sealed using Mastic tape. Size 50 mm/100 mm width along with BOPP Waterproofing ceiling tape, having size 50 mm/100 mm width. | 10.00 | Nos |
| 5 | A slotted ABS casing/pipe is to be provided at the bottom of the target depth. Geosynthetic wrapping is to be provided, and the side wall is to be filled with clean, washed sand filter (0.5 2 mm size) around the slotted portion, with a thickness of 300 600 mm above and below the screen. Bentonite pellets or bentonite-cement grout plug is to be provided above the sand filter, having a thickness of 300 500 mm. Backfilling is to be done for the rest of the borehole with grout/bentonite. (optional) The amount will be released as per Actuals. | 10.00 | Nos |
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