JOB ORDER FOR SOIL INVESTIGATION ADDN/ ALTN TO HANGAR AND EXTENSION OF DISPERSAL AREA FOR INDUCTION OF C-295 AIRCRAFT AT AF STN AGRA

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) No. of bore holes = 01 Nos (ii) Depth of bore hole = 10 m

(b) Collecting disturbed soil sample from the location of conducting SPT/DCPT

(c) Collecting undisturbed soil samples at 1.00 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) Following lab test to be conducted on disturbed soil samples as considered necessary according to relevant specification of IS 2720 and detailed result to be given in tabular form:- (i) Sieve analysis & Grain size distribution by sieve analysis & hydrometer test (ii) Atterberg limits (iii) Natural moisture content (iv) Particle size analysis test (v) Bulk density/dry density

(g) Following lab test to be conducted on undisturbed soil samples as considered necessary according to relevant specification of IS 2720 and detailed result to be given in tabular form:- (i) Natural moisture content (ii) Bulk density (iii) Specific gravity (iv) Free swell index and swelling properties of soil (v) Organic matter in soil if any (vi) Consolidation test (compressed index value) (vii) Triaxial compression test and determination of shear parameters (C & Φ test ) as per relevant IS (viii) Harmful salt (complete investigation as already ref)

(h) Following test to be conducted and detailed result to be given in tabular form:- (i) Maximum and minimum levels of Ground Water in the area with source of information (ii) Ground water Table observed during investigations

(j) The SBC of the soil is required to be given as per following table, calculation of bearing capacity will be governed generally as per IS:8009 Part-1-1976, IS:2720 Part-2-1980, IS:6403-1980, IS:1904-1986 & IS:1080-1985 and other relevant IS codes and detailed calculations duly showing the various soil parameters/indices shall be given in the soil report :- Depth of I Safe bearing capacity of soil in T/M2 for footing size I Remarks foundation Strip footing |1.20m x1.20m |1.50m x 1.50m |2.0m x2.0m |2.50m x 2.50m 1.00m 1.50m 2.00m 2.50m

(k) Preparation of soil investigation report (i) Soil investigation report shall include a detailed site plan showing the approx location of each bore duly numbered as per log of bore hole should be enclosed. Location of foundation of adjacent structures, especially those that might be impacted by the porposed construction should be indicated with details in site plan. (ii) Every page of the Soil Investigation Report should have the Name of the Job for which Soil Investigation is being carried out. In case of multiple sites of a single Job are being investigated name of each site shall be put on each page of report pertaining to the site alongwith name of job. (iii) All pages of the Soil Investigation Report shall be serially numbered, stamped and signed by the Agency carrying out the soil investigation. Report should be scrutinized by GE & CWE for correctness & endorsed.

(l) Submission of six copies of ink signed test reports. The report should include the following :- (i) Detailed description of field investigation, soil classification and general nature of soil strata, water table, interpretation of test results, grain size distribution curves, compressive index curves, site plan etc, stress-strain modulus (by stress-strain curves from triaxial tests), foundation analysis & recommendations with supporting calculations regarding foundation system, depth of foundation etc.

(m) Photographic record of geo-explorations as well as testing shall also form part of the report (i) Plotting of a compiled sub-surface profile along the depth in both plan directions (ii) Estimation of safe side slopes for excavation (iii) Suitability of excavated material as back fill (iv) To check for liquefaction potential (v) Any other pertinent information relating to foundation design considered necessary

(n) The GE shall intimate the approximate type of construction, utilization and dimensions of proposed bldgs to the consultant, who based on geotechnical investigation, should recommend type of foundation (viz isolated/combined footing, raft, pile etc) (xiii) In case of underground building basement construction, or if requirement of temporary/permanent deep excavation support measures during construction of building are envisaged necessary excavation support measures to be given by the consultant based on geotechnical investigations.

(o) Transportation of equipment/mobilization/Dematerialization of equipment etc for soil investigation.

(a) Following soil investigations to be conducted as per relevant IS Codes for an exploration depth up to 2.5m below subgrade with dia of bore hole 150mm:- (i) Grain size analysis (ii) Atterberg limits (iii) Water Content (iv) Soil Classification (v) Depth of water table (vi) HFL (vii) Free Swell Index (viii) Organic matter (ix) Permeability (x) Specific gravity (xi) In Situ Density (xii) Dry Density (b) All points mentioned in Para 1 (k) to 1 (o).

Mobilization of necessary equipments and manpower at site of work to carry out Plate load test for determination of 'K' value (Modulus of sub grade reaction) of soil in field in accordance to IS 9214-1979, complete in all respect, as specified and directed with and including following operation :- (a) Digging out pit of desired size and depth (b) Placing and arranging the load platform, loading and unloading platform by sand bags or any other approved weight, as per requirement and recording the settlement data with at least 03 nos. of dial gauges in horizontal plain placed at 120 degree, using hydraulic jack with proving ring and dial guage of least count 0.002mm and submission of report in sixtuplicate determining modulus of subgrade reaction 'K' value.

Note : Soil investigation for ordinary rock or hard rock type soil shall be done as specified in IS:12070-1987 Table-I.

Research and Engineer Enterprises

National Soil Testing and Research Laboratories

L.S. Test Lab LLP

Interstellar Testing Centre Private Limited

DESIGNERS WING

Sheltera consultants pvt ltd.

Independent Consultants & Technocrates