Military Engineer Services Tender

SUB SOIL INVESTIGATION : Sub soil investigation as per IS: 1892-1979 (Reaffirmed 2021) including laboratory testing of soil samples for its all characteristics as per relevant IS codes including value of cohesion and angle of internal friction of soil giving bore log chart showing depth of soil strata/profile. SBC shall be based on N values, shear and settlement criteria. SPT shall be carried out for every changes in stratum or at intervals not more than 1.0m whichever is less. Depth of investigation shall be 15.00m or till refusal or N value reaches 50 wherever is earlier for each isolated, conbined/raft foundation. Soil investigation report for each bore hole tested and duly compiling summary for SBC recommended for various buildings in all respect shall be submitted in four folders shuld be vetted by CSTL/IIT/NIT. Depth of water table (maximum & minimum) shall be given. Design parameters for soil investigation are as tender documents. The soil investigation report shall be include the liquefaction potential of the soil. If the 'N' valuecomes out to be less than 15, the measures to be taken wet the liquefaction potential & settlement of foundation should be incorporated as per reievant code.

Dia of Bore Hole 150mm and depth of Bore holes may be taken min 6m and Max 15m or N value reaches 50. Which ever is earlier for isolated/combined/raft foundation list of bldg for soil investigation and submit the report are as follows

Dia of Bore Hole 150mm and Depth of Exploration up Bore holes min 10m and Max 15 Mtr of till refusal of N value reaches 50. Wherever is earlier for each isolated, for Double Story/ Triple Story Bldgs (List of Bldg are as under) BH-2, BH-4 to BH-7, BH-16, BH-17 & BH-54)