WBPWD/PC/SE/NIeT-07/2nd Call/2025-2026

Amount

Sub soil investigation in any type of soil including mobilization, boring, relevant field and laboratory testing (as per relevant IS codes of practice and as per direction of Engineer-in-charge) with submission of reports in 6 copies including CD of Still Photographs & Video of each site etc. all complete containing the recommendation for foundation. (both shallow and deep foundation) A) For Soil boring ( Following test to be conducted) Submission of Report in 6 nos. hard copies and one soft copy along with CD of Still Photographs including recommendation for the type of foundation based on being capacity and permissible settlement with supporting calculation as per relevant IS code.

Tests to be conducted ( general list but not limited to the followings & may require additional test based on Soil Strata ) a) For Building Work i) Grain Size analysis ( Sieve and Hydrometer) ii) Atterberg Limits (LL, PL ) iii) Dry Bulk Density iv) Moisture Content v) Specific Gravity vi) Triaxial Test / Direct Shear Test vii) Unconfined Compression Test viii) Consolidation Test ix) Ground water Table Observation x) Free Swell Index xi) SPT xii) Relative density

Tests to be conducted ( general list but not limited to the followings & may require additional test based on Soil Strata ) b) For Road Work i) Grain Size analysis ( Sieve and Hydrometer) ii) Atterberg Limits (LL, PL, etc.) iii) Field Density Moisture content iv) Soak CBR / Field CBR v) Swelling Index vi) K Value Test for Rigid pavement vii) (Modified )Proctor Test at OMC viii) SPT

Topographical Survey & levelling using ATS Machine including plotting of the existing features in the area to be surveyed following latest relevant IS codes of practice and submission of drawings in 6 nos. hard copies and one soft copy, including identification of utility services and maintaining the accuracy level as per IS codes along with CD of Still Photographs & Video of each site. a) Buildign Works

b) Road Works ( As per SP 19 ; 2021)

B.S. Geotech Pvt. Ltd. (BID ID -6830024)

M/S G. Mitra And Associates (BID ID -6828512)

TECHNOMA(I) (BID ID -6823505)

city engineering testing laboratory (BID ID -6824389)