Consultancy for Soil Investigation of Provn of Setting Up of CGRH (NW), Administrative and Logistic Complex, Coastal Security Network Hub, Regional Operational Centre (ROC) ICGS Gandhinagar and Other OTM Infrastructure at Sector 18 Gandhinagar

PART-I Mobilization & Demobilization 1. Making necessary arrangement Mobilization & Demobilization of equipment tools & plant, personnel etc. required for soil investigation and their removal after satisfactory completion of work, in land including slushy areas. Shifting of entire arrangement from one bore to another bore hole location and setting of boring/drilling rig as required (12 Nos Bore holes). PART-II FIELD TESTS 2. Boring 150 mm dia bore holes to any type of soil/Rock to a depth of 20M for Adm bldg (4 Nos of bore), 6M for other bldgs (4 Nos of bore) & 5M(4 Nos of bore) for security wall below the ground level by using rotary drill method in terms of IS:1892 (12 Nos Bore holes) (Min 3M in rock if rock is encountered during any of the boring, accordingly bore depth may go up, but not less than as mentioned for each type of bore). 3. Collection of undisturbed soil sample (UDS) at 3.0m intervals or at any change of stratas in 100 mm bore thin walled tube including waxing, sealing, packing, and transporting to the lab (12 Nos Bore holes). 4) Carrying out Standard Penetration Test (SPT) including collection of disturbed soil samples in bore holes at every 1.50M depth or any change of strata and submit the report with all requisite data (12 Nos Bore holes) 5) Collecting water samples from all Bore holes.

PART- III: LABORATORY TESTS as per IS: 1892 (For all 12 Nos Bore holes) 6) Conducting necessary (laboratory) tests on all collected samples (for all 12 bore holes) which includes the determination of: (a) Atterburg limits. (b) Natural moisture content. (c) Wet and dry density. (d) Soil/Particle size using sieve hydrometer analysis. (e) Tri-axial shear test C&D. (f) Shrinkage limit. (g) Consolidation test. (h) Crushing strength of rock samples,degree of weathering(CR Value) and ROD of rock samples. (j) Permeability test (k) Chemical analysis on Soil samples (l) Chemical analysis on Water samples (m) Standard and Modified Protocor's density test (n) Vane shear test (o) Salinity test (p) Grain size analysis, identification & classification of soil (q) Liquid limit, plastic limit, shrinkage limit, plasticity index (r) Shear Parameters (C- Phi Analysis) (s) Depth of Water Table below Ground Level

v) Bore log details share be as per Appx 'D' of IS: 1892. N values depth wise shall also be shown in bore log details. vi) If hard soil with lesser than N Values as specified in Table- 1 of IS: 1893 (Part-1) 2016 is encountered, then evaluation of liquifection potential shall be assessed and remedial actions to be adopted shall be specified. Scope of work No. of Bores (i) Multistoried Bldg (Admin Bldg) Basement + 10 (16090 SQM) - 4 (ii) Guard House (S/S) - 1 (iii) Pumpm House (S/S) - 1 (iv) AC Plant/AHU Room (S/S) - 1 (v) Sub station Bldg (S/S) - 1 (vi) Retaining wall/ Security wall - 4 (01 No on each side of wall) ______________________ Total 12 Nos

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