Tender For Geo-Technical Investigation For The Construction Of Underground & Elevated Metro Corridors From Kr Circle Station (Excl.) To Hebbal Station (Ch: 27.273 To Ch: 36.089 Km) Under Phase-3A Of The Bangalore Metro Rail Project., Bengaluru-Karnataka
TDR : 55501975
Tender Notice
BOQ
8 Days Left
Bengaluru
Karnataka
Tender For Geo-Technical Investigation For The Construction Of Underground & Elevated Metro Corridors From Kr Circle Station (Excl.) To Hebbal Station (Ch: 27.273 To Ch: 36.089 Km) Under Phase-3A Of The Bangalore Metro Rail Project.
Name of Work:- GEO-TECHNICAL INVESTIGATION FOR THE CONSTRUCTION OF UNDERGROUND & ELEVATED METRO CORRIDORS FROM KR CIRCLE STATION (EXCL.) TO HEBBAL STATION (CH: 27.273 TO CH: 36.089 KM) UNDER PHASE-3A OF THE BANGALORE METRO RAIL PROJECT.
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Item Description
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1. Charges towards erection and dismantling of barricades at borehole locations including the barricading materials, labour, fixing etc. completed keeping in view the movement of traffic at ground level and minimum inconvenience to traffic and safety of public and as directed by the Engineer at site.
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2. Drilling 150mm dia borehole using rotary drilling rig, conducting standard penetration tests, collecting disturbed and undisturbed soil sample for carrying out necessary laboratory tests (includes drilling in all type of soils, hard strata and gravel strata and in all types of weathered rock).
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3. Following tests are to be carried out for Soil for each borehole & samples to be collected at 3m interval and change of strata(a) For Disturbed soil samplesI. Bulk Density
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II. Moisture Content
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III. Sieve Analysis
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IV. Hydrometer analysis for clayey soil
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V. Liquid limit
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VI. Plastic limit
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VII. Specific gravity
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VIII. Consolidation test for clayey soil
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(b) For Undisturbed Soil samples at 3m interval and change of strata, subject to a minimum of two samples in each borehole.I. Sieve analysis
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II. Liquid limit & plastic limit
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4 i. Chemical analysis of soil (One test per borehole)
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ii. Water sample for sulphates, chlorides and pH (one test per borehole)
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5. Unconfined compression test on clay samples as per IS 2720 X 1973 (One test per borehole)
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6. Drilling in Rock using NX size diamond bit drills bits in soft rock and hard rock in all depths. The rate is inclusive of all lead, lift/depths.
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7. Triaxial compression test giving full test result including Mohr circle, stress-strain curve etc. and unconsolidated undrained test including measurement of pore water pressure (One test per Borehole)
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8. Following tests are to be carried out for Rock for each borehole & samples to be collected at 3m interval and change of strataI. Compressive/crushing strength test
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II. Shear Strength
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III. Density
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IV. Specific gravity
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V. Hardness
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VI. Water absorption
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VII. Point load index
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VIII. Modulus of elasticity
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IX. Porosity including cutting of core to specimen size of rock Please Enable Macros to View BoQ information
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