Tender for Soil Testing for New Hostel Block and Faculty Housing at IIM Ahmedabad.

BORING

Mobilisation and de mobilisation of augur/drilling equipment for conducting Geo-technical investigation including mobilisation of personel with all other necessary accessories for carrying out the boring work at site and demobilisation after completion of work.

Sinking exploratory bore holes as per IS 1892 upto a depth of 6.0M or refusal strata, Conducting standard penetration test as per IS 2131 - 1981 at every 1.5m depth interval or at every change of stratum , collection of 100mm dia undisturbed samples, Observation of water table, Obtaining disturbed soil samples from bore holes, Conducting laboratory tests on undisturbed and disturbed soil samples as listed but not limited to the following. a) Natural moisture content and Natural density b) Grain size analysis c) Consistancy limits d) Tri - axial shear tests e) Specific gravity f) Consolidation tests g) Unconfined compression tests h) Free swell expansion tests i) Liquid Limit & Plastic Limit j) Chemical analysis of Soil and Water sample etc., as per relavant parts of IS 2720 k) Soil water Permeablity test m) Subgrade Modulus Preparation of preliminary report with analysis of test results and recommendations regarding type and depth of foundations.

Depth upto 6.00m

Over and above Item 102.10 for depth from 6.00m to 9.00m

Over and above Item 102.10 for depth from 9.00m to 12.00m

Over and above Item 102.10 for depth from 12.00m to 15.00m

Conducting percolation test by digging one or more pits in the soil of the proposed leach field to a specified depth, presoaking the holes by maintaining a high water level in the holes, then running the test by filling the holes to a specific level and timing the drop of the water level as the water percolates into the surrounding soil.

Conducting Earth Resistivity tests conducted as per IS-3043 1987 by Wenner 4 pin electrode method , and shall record the Earth Resistivity values at different spacing and in different directions, 4 nos., one on each the proposed sites

Reports

Preperation of a detailed report consisting of borelog charts, soil profiles, results of field & laboratory tests, their analysis and recommendation for design of foundations and submission in triplicate.