MAPS/CTC/CSM/PUBLIC/ET881/2024

Amount

Drilling of Bore holes and insitu tests: Rotary boring/ drilling of ‘SX’ size holes to log and collect samples through all kinds of soils vertically with adequate and suitable equipment for depths below existing ground level as per specifications, drawings and as directed by the Engineer-in-charge. Note: The quoted rate shall include the following: 1. General clearance of site and removal of shrubs, bushes etc required to commence the boring/ drilling operation & in-situ tests in bore holes and clearance of site after completion of work. 2. Making temporary access roads to the boring/ drilling locations from existing approach roads to site. 3. Mobilization and Demobilization of minimum two sets of suitable boring and drilling rigs of hydraulic type, including necessary drilling rods, pumps, miscellaneous equipments, tools, spares, consumables etc. adequate for each set of plant, survey equipment, etc. Additional rigs and equipment shall be mobilized if needed for timely completion of the work at contractor’s own cost. 4. Marking the drill hole locations on ground by actual survey as per the drawing, shifting and setting up of rig at each bore hole location including staging, platform, earthwork, anchoring etc. all complete. 5. Deployment of technical, skilled, semi skilled & unskilled man power required for carrying out the complete work as per specifications & drawings. 6. Measurement of ground water level as per specifications & drawings. 7. Maintenance of drilling records and submission of final geological logs in hardcopy as well as soft copy. 8. Conducting Standard Penetration Test (SPT) in the bore holes @ every 1.5m depth upto rock level (0 M to 17 M)

Drilling of Bore holes and insitu tests: Same as item no.1 but with NX size holes in rock formations (excluding carrying out SPT) including collection, numeration and logging of cores, supply of wooden core sample boxes ,painting, labeling of boxes, putting core samples in the boxes, labeling of cores samples, colour photographs ( 100mm x 150 mm ) of boxes with cores samples placed inside the boxes and transporting and storing in core samples library at location indicated by Engineer-in-charge, measurement of ground water level etc. complete as per specifications & drawings. (0 M to 17 M)

Plugging of bore holes as per specifications and as directed by Engineer-In-Charge using 1:2 cement-sand grout: SX size holes

Plugging of bore holes as per specifications and as directed by Engineer-In-Charge using 1:2 cement-sand grout.: NX size holes

Laboratory tests on soil samples: Conducting Grain size analysis, particle size & percent fines distribution of soil 1498), (Sieve analysis & analysis) including Grain Size Distribution curve as per drawings, specifications, IS 2720 (part-4) and as directed by the Engineer-in-charge.

Laboratory tests on soil samples: Conducting index properties of soil such as Liquid limit, plastic limit and plasticity index etc as per drawings, specification, IS 2720 (Part 5), IS 9259 and direction of the Engineer-in-charge. Three tests of each soil sample will be considered as one set.

Laboratory tests on soil samples: Conducting Specific gravity as per specification, drawings, IS 2720 (Part 3 ) and as directed by the Engineer-in-charge. Three tests of each soil sample will be considered as one set.

Laboratory tests on soil samples: Compaction test

Laboratory tests on soil samples: Consolidation test

Laboratory tests on soil samples: Unconfined compression test

Laboratory tests on soil samples: Triaxial test

Laboratory tests on soil samples: Conducting chemical analysis of undisturbed soil samples or disturbed SPT soil samples coated with wax including total soluble solids , organic matter , Calcium carbonate , cation exchange capacity , silica sesquioxide ratio , sulphates as SO3, Chlorides and pH as per drawing, specification, IS 2720 ( Part 21,22,23,24, 25, 26, & 27) and as directed by the Engineer-in-charge.

Laboratory tests on ground water samples: Collecting ground water samples as applicable at specified depths from drill holes (minimum 2 litres) and conducting full chemical analysis of water sample as per relevant IS code in an approved laboratory, complete as per drawing, specifications, as directed by Engineer-in-charge, including submission of test reports: Determination of turbidity

Laboratory tests on ground water samples: Collecting ground water samples as applicable at specified depths from drill holes (minimum 2 litres) and conducting full chemical analysis of water sample as per relevant IS code in an approved laboratory, complete as per drawing, specifications, as directed by Engineer-in-charge, including submission of test reports: PH Value determination.

Laboratory tests on ground water samples: Collecting ground water samples as applicable at specified depths from drill holes (minimum 2 litres) and conducting full chemical analysis of water sample as per relevant IS code in an approved laboratory, complete as per drawing, specifications, as directed by Engineer-in-charge, including submission of test reports: Alkalinity determination.

Laboratory tests on ground water samples: Collecting ground water samples as applicable at specified depths from drill holes (minimum 2 litres) and conducting full chemical analysis of water sample as per relevant IS code in an approved laboratory, complete as per drawing, specifications, as directed by Engineer-in-charge, including submission of test reports: Chlorides content determination.

Laboratory tests on ground water samples: Collecting ground water samples as applicable at specified depths from drill holes (minimum 2 litres) and conducting full chemical analysis of water sample as per relevant IS code in an approved laboratory, complete as per drawing, specifications, as directed by Engineer-in-charge, including submission of test reports: Sulphates content determination

Laboratory tests on ground water samples: Collecting ground water samples as applicable at specified depths from drill holes (minimum 2 litres) and conducting full chemical analysis of water sample as per relevant IS code in an approved laboratory, complete as per drawing, specifications, as directed by Engineer-in-charge, including submission of test reports: Nitrites content determination

Laboratory tests on ground water samples: Collecting ground water samples as applicable at specified depths from drill holes (minimum 2 litres) and conducting full chemical analysis of water sample as per relevant IS code in an approved laboratory, complete as per drawing, specifications, as directed by Engineer-in-charge, including submission of test reports: Nitrates content determination

Laboratory tests on rock samples: Carrying out laboratory tests on rock samples in an approved laboratory, complete as per specifications and as directed by Engineer-in-charge-In-Charge, including necessary transportation of samples to approved laboratories and submission of test report in hardcopy (sixtuplicate) as well as soft copy (CD).Water content and porosity

Laboratory tests on rock samples: Carrying out laboratory tests on rock samples in an approved laboratory, complete as per specifications and as directed by Engineer-in-charge-In-Charge, including necessary transportation of samples to approved laboratories and submission of test report in hardcopy (sixtuplicate) as well as soft copy (CD). Density and Specific Gravity

Laboratory tests on rock samples: Carrying out laboratory tests on rock samples in an approved laboratory, complete as per specifications and as directed by Engineer-in-charge-In-Charge, including necessary transportation of samples to approved laboratories and submission of test report in hardcopy (sixtuplicate) as well as soft copy (CD).Uniaxial compression test to determine un-confined compressive strength, Young's Modulus E and Poisson's ratio with the samples in saturated condition.

Static plate load test on soil: Conducting static plate load test on soil as per IS 1888 at a depth of 2m at specified locations upto an ultimate load of 75 T/Sq.m, for determining safe bearing capacity and modulus of sub grade reaction as per IS: 9214 at various locations and depths as per Engineer-In-Charge, up to failure including preparation and submission of test reports in triplicate. Note: The quoted rate shall be inclusive of preparation of the test surface, making access, mobilization and demobilization of all equipment, anchors, trusses, kentledge and jacks for tests etc, all materials, suitable & adequate skilled, semiskilled & unskilled personnel, preparation and submission of test reports etc. all complete as specified and required for executing the works under the scope of this item.

Report submission of the surveys, tests, investigation and foundation parameters: Preparation and submission of comprehensive draft ( 2 Copies ) and final (6 copies) reports of all the tests, field investigations, surveys, laboratory tests etc. in the scope of this tender as detailed in various schedules, specifications, drawings inclusive of bore logs , survey of discontinuities, Compilation, interpretation, analysis of the data, recommendations of the foundation system and foundation design parameters including deriving spring constant as per AERB Guide no. AERB /NPP/SG/CSE-2. Final report shall be submitted after the draft copy is approved by the Engineer-in-charge. Also submission of draft ( 2 Copies) interim reports of all the tests / field investigations carried out as detailed in specifications inclusive of bore logs , results of tests including their soft copies and 3 copies of the approved interim report as soon as a particular tests , investigation, surveys are completed. Report shall be submitted in soft copies as well as hard copies. The Report shall be independently proof checked by Geotechnical expert from Institutes like IITs, IISc, NIRM, CSMRS, etc., before submission to be approved by Engineer-in-charge.

BECQUEREL INDUSTRIES PRIVATE LIMITED (BID ID -757271)