Soil investigation Job No Dharamsala/AMWP/01/2021-22 Provn Repair and upgradation of roads retaining wall and allied infr in Dharamsala Mil Stn

Amount

Conducting soil investigation test at site as per relevant specification of IS-2131, IS-6403, IS-1498 & IS-2720 and submit the report as per following :- (A) Drilling of 150 mm diameter bore hole in all types of soils as per depth indicated below or refusal strata which ever is earlier as per instruction of the Eng-in-Charge. Refusal defined as and when 'N' value is 100 or more for 30 cm or part penetration. (a) Conducting standard penetration test (SPT) in the bore holes at 1.00 m intervals in depth or every change of strata which ever is earlier as per IS:2131-1981 or Conducting Dynamic cone penetration test (DCPT) in the bore holes at 1.00 m intervals in depth or every change of strata which ever is earlier as per IS:10042-1981 (Applicable for gravel, boulder deposit type of soil) (i) Nos of bore hole - 13 Nos (ii) Depth of bore hole -10m & 2.40m for each bore hole(Ref note) (b) Collecting disturbed soil sample from the location of conducting SPT/DCPT (c) Collecting undisturbed soil samples at 1.50 m intervals or change of strata whichever occurs earlier. (d) Analysis of liquefaction potential for earthquake as per Zone-IV of IS:1893-2016 (Part-1) (e) Recording the ground water table if observed upto exploration depth, as per IS:6395-1973.

(f) Conducting all necessary laboratory tests on samples collected for their different engineering properties. Following test will be carried out :- (i) Dry density and moisture content as per IS:2720 Part-2 & 29 (ii) Atterberg's limit as per IS:2720 Part-5-1985 (iii) Particle size analysis as per IS:2720 Part-4-1985 & IS for Classification of soil (iv) Specific gravity as per IS:2720 Part-3 Sec-2-1980 (v) Consolidation test as per IS:2720 Part-15-1986 and Compression value index (vi) Free swell and Swell pressure test as per IS:2720 Part-40-1977, Part-41-1977 (vii) Bulk density (viii) Organic matter in soil if any (ix) Triaxial compression test and determination of (C & ɸ value) shear parameters as per relevant IS (x) Harmful Salt.

(b) Transportation of equipment/ mobilization/ Dematerialization of equipment etc for soil investigation. (c) Details specification as per tender documents

Conducting test for CBR ( Soaked and unsoaked) value of soil as per IS-2720 (Part-16) Note : Soil investigation for ordinary rock or hard rock type soil shall be done as specified in IS : 12070-1987 Table-I

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