WBPWD/Rds/EEAHDeNIT-01/26-27/1

Mobilisation Charges of all tools & Plants along with accessories, material, labour, supervision etc. at site of work required in connection with boring and testing work, including setting up boring rigs and shifting to different Bore-hole points etc. and also including withdrawal of same from the site after completion of work, complete as per direction of Engineer-in-Charge. b) Detailed Investigation Payment will be made after successful completion of work. Preliminary Investigation is mainly for collection of disturbed samples where deployment of heavy machineries is not involved.

Carriage of all Disturbed & Undisturbed Samples from site of work to the Divisional office or elsewhere including loading and unloading as per direction of Engineer-in-Charge. Detailed Investigation. Some samples are to be kept at Sub-Division Office for Additional testing By the Engineer-in-Charge.

Labour for boring by sinking and finally withdrawing 50mm to 100mm dia. (internal) pipe by a standard method to any depth below ground level / bed level in all types of soil like clay, silt, sand, stiff clay, mixed soils etc. except rocks, including collection of disturbed soil samples and including preparation and submission of bore-log as per standard proforma and also including hire charges of tool and plants complete as per direction of Engineer-inCharge. a) Depth 0m to 30m

A. Laboratory Investigation: i) Liquid Limit as per IS 2720 (Part – V).

ii) Plastic Limit as per IS 2720 (Part – V)

iii) Grain size analysis by Sieving as per IS 2720 (Part – IV).

iv) Grain size analysis by Hydrometer Method as per IS 2720 (Part – IV).

v) Determination of Water Content as per IS 2720 (Part – II).

vi) Determination of Specific Gravity as per IS 2720 (Part – III).

vii) Direct Shear Test as per IS 2720 (Part – XIII).