SOIL INVESTIGATION FOR FOR STUDENT OFFRS AND ONE DINING HALL

Amount

The scope of work under Sl No 1 and 1.01 comprised as under :-

Carrying out Soil Investigation for Job No. CMM / JABALPUR / AMWP / SOM / 15 / 2019-20: Provn of Accn for student offrs and one dining hall (Mess room) at CMM Jabalpur. (AMWP/19-20/List-V) with the following specifications and details :-

A) Carryout boring,sampling,testing & conducting SPT test as part of soil investigation to as certain soil profile,bearing capacity as per following requirement up to depth of 6m:- (a) Conduction standard penetration test (SPT) as per IS-2131-1988.The testing shall be made at every change in strata or at the intervals of not more than 1.50mtr whichever is less.The test may be made at least intervals if specified or considered necessary as per 3.31 of IS-2131-1988. (b) Collection of disturbed/undisturbed soil samples from bore hole at an interval of 1.50 mtr or change of strata and conducting test reporting on following soil parameter:- (i) Grain size distribution/Particle size analysis (ii) Atterberg limits and plasticity index (iii) Bulk and dry density (iv) Specific gravity (v) Moisture content (vi) Harmful salt test (In case of sandy soil) (vii) Direct shear test (viii) Unconfined Un-drained test (ix) Consolidation test (x) Determination of internal angle friction C & ɸ values (xi) Differential free swell test and determination of swelling indexes for expansive soil. B) The soil investigation report shall submit completely covering the following in quadruplicate :- (a) Bore log chart showing depth of soil strata.(b) Ground water level (c ) Probable maximum and differntial settlement (d) Safe bearing capacity for various sizes of footing at different depth (e) Recommendations for type and depth of foundation (f) Site plan building wise with RL of corner of building (g) Bore hole location w.r.t FFL/Fixed bench mark (h) Bearing capacity and depth of foundation w.r.t FFL/Fixed bench mark (j) Suitability of soil for refilling under floor and in trenches. NOTE :- (a) The location of bldg/bore shall be given by GE(P) Jabalpur (b) The soil report shall be submitted in 3 parts:- (i) Field operations (ii) Lab testing and sub soil properties (iii) Foundation consideration with recommendation (iv) Photographic record of soil investigation also attached with soil investigation report (v) Soil investigation report to be also vetted by HQ CWE Jabalpur before processing of payment. (vi) Soil testing shall be carried out NABL Lab

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