Job Work Order (Soil Investigation)

Amount

(a) Boring holes 150 mm dia supplemented with standard penetration test at every 1.50 m interval or change of strata whichever occurs earlier upto 10 mtr depth or refusal of strata whichever occurs earlier and collection of undisturbed and disturbed samples at every 1 m interval. as per IS 1892:1979 and corresponding trial pits (size 1.2 x 1.2 x 3 mtr deep) 5 mtr from each bore hole. (b) Laboratory test of disturbed and undisturbed soil samples :- (i) Determination of field density and moisture content. (ii) Classification, grain size distrubution, determination of index properties, Atterberg limits, particle size distribution. (iii) Consolidated test (iv) Unconfined compressive strength on at least two undisturbed samples from each borehole. (v) Triaxial shear test/direct shear test (vi) Presence of deleterious material/Organic matter (v) Describing sub-soil strata and preparation of bore logs. (vi) Collection and Chemical analysis test on a sub-soil sample. (vii) Collection and Chemical analysis test on a sample of water. (viii) Recording the depth of Ground water table on its full stabilization in all bore holes in case of its occurance. (ix) Free swell index (x) Permeability (xi) SPT and SPT resistance curve (xii) Specific gravity

Note :- (a) The laboratory test of soil be carried out as per IS code 6403:1981 for following liquid limit plastic limit, grain size distribution. (b) Firm will submit his report in bounded paper in seven. (c) Firm will give the recommendation regarding safe bearing capacity of soil and foundation depth (d) Factor applied for SPT N values as per IS 2131:1981 (e) The working hours will be 0900 hrs to 1700 hrs. (f) All T&P items and site expenses such as camping transportation etc should be deemed to be included in the quoted rates. (g) Site plan duly marked with location of bore hole is required. (h) Colour photograph of every bore holes is required in Soil testing report, staff of GE (P) No 2 Meerut must be visible on photographs. (j) Recommendation regarding possibility of liquifaction of soil in case of saturated/partially saturated loose/compacted sandy soil. (k) All the boreholes or pits made during work should be refilled after completion of particular job(s). (l) After completion of the work, agency is required to remove all tools, machineries deployed during work and required to clean the site where the work is to be executed. (m) During drilling, if any problematic strata is encountered, more number of tests will have to be conducted in consultation with Engr-in-Charge. (n) The report should be recommended/ certified NIT/ Govt Engg College. Auth: HQ CEBZ Bareilly letter No.824355/MRT/101/E2 (Plg) dt 09 Apr 2022 and GE (P) No2 letter No. 2213/200/E2 dt 21 Apr 2022

Rishi Markandeshwar Engineering Consultant

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