Madhya Pradesh Metro Rail Corporation Limited has published Tender For Detailed Geotechnical Investigation Study For The Underground Stations And Tunnels Between Airport And Malviya Nagar Chauraha For Indore Metro Rail Project. Submission Date for this Tender is 29-05-2023. Geotechnical Investigation Tenders in indore Madhya Pradesh. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 12-May-2023 | Correction_on_CPPP_Only | Fee | 22-05-2023 |
| 2 | 16-May-2023 | Corrigendum 1 | Date | 29-05-2023 |
| 3 | 20-May-2023 | Clarification 2 | Other | 29-05-2023 |
| 4 | 23-May-2023 | Clarification 3 | Other | 29-05-2023 |
| Sl. No. | Item Description |
| 1 | GEOTECHNICAL INVESTIGATION Identification of utilities at borehole location, making 150mm nominal diameter bore holes at various locations in all types of soils and NX size in rock using suitable approved method of boring including local shifting, chiselling, cleaning, providing retrievable casing pipe as required or as directed (which can be reused or taken back by the Contractor), performing Standard Penetration Tests (As per IS:2131) at every 1.5m intervals and at change of strata; collection of disturbed soil samples, observations such as ground water level etc., collection of undisturbed soil samples at every 3.0m intervals or more (to be decided by Employer’s Representative) and at change of strata; collection of water samples; transportation of all the collected samples to the laboratory, complete as per specification and instructions of the Employer’s Representative, for depths below Natural Ground Level including submission of Factual Report and subsequence to submission of Geotechnical Investigation Report (all inclusive) as given below: 76 Nos. of bore holes (may change as per site conditions) |
| 2 | For boreholes from existing ground level to desired depth in Soil |
| 3 | For boreholes from soil bottom upto required depth in Rock (of any type) |
| 4 | Backfilling of bore holes from bottom to top immediately after completion of work or as per Engineer’s instruction with cement grout |
| 5 | In situ Tests in Soil |
| 6 | Constant/Falling head permeability tests |
| 7 | Collecting soil samples for chemical analysis at soil/ soil & rock interface |
| 8 | Collecting water samples for chemical analysis |
| 9 | Preparing sample by mixing the soil / crushed rock from 03 boreholes of each underground station |
| 10 | Lab Tests for Soils Conducting various Laboratory tests on soil UDS samples collected every 4 m interval from EGL, at any Laboratory Testing Facility accredited by NABL or any other accreditation body which operates in accordance with ISO/IEC 17011 and accreditation in compliance with ISO/IEC 17025 for testing and calibration scopes, including preparation of soil samples to determine the following properties of soil, all complete as per specifications |
| 11 | Bulk density, dry density and moisture content |
| 12 | particle size distribution with and without hydrometer grading |
| 13 | Atterberg Limits |
| 14 | Shrink- Swell limits |
| 15 | Specific gravity |
| 16 | Consolidated undrained test with pore pressure measurement triaxial test |
| 17 | Unconsolidated, undrained triaxial test |
| 18 | Consolidation Test |
| 19 | Chemical analysis of soil to determine the, pH, Chloride, Sulphate (From sample prepared at Item No. IN-4) |
| 20 | Chemical analysis of water to determine pH, Chloride, Sulphate and organic matter (From sample prepared at Item No. IN-5) |
| 21 | Field Tests in Rock |
| 22 | Pressure meter test |
| 23 | Packer test/Lugeon test |
| 24 | Lab Tests in Rock Conducting various Laboratory tests on rock samples at an NABL accredited laboratory including preparation of rock samples to determine the following properties of rock, all complete as per specifications |
| 25 | Unconfined compressive strength test |
| 26 | Point load index test |
| 27 | Bulk density, dry density and moisture content |
| 28 | Specific gravity, porosity and water absorption test |
| 29 | Brazilian tensile test |
| 30 | Cerchar abrasiveness test |
| 31 | Petrography Test with description of rock (especially bound and unbound quartz content) based on the evaluation of thin petrographic sections with coloured photographs (only for tunnel area) |
| 32 | Crosshole sessmic refraction test / MASW as oer relevant IS code / ASTM code to assess subsurface structure, thickness of layers, velocities of body waves, soil amplification factors (like Vs30) up to a depth of not less than 30 mts below the existing ground level. |
| 33 | Modulus Elastcity of intact Rock |
| 34 | Conducting in situ geophysical testing to determine the subsurface shear wave velocities along the depth not less than 30m from the existing ground level by Cross Hole Seismic Test. Cross Hole Seismic Test shall be performed by 1No of source borehole & 2Nos of receiver boreholes for determining in situ subsurface shear-wave velocity up to a depth not less than 30m from the existing ground level. Location and spacing of boreholes shall be proposed by the contractor for Engineer’s approval prior to the commencement of work. |
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