Tender For Geotechnical Investigation Work For High-Speed Elevated Rail Corridor Between Hyderabad-Bengaluru (Package-2)., bengaluru-Telangana

GEOTECHNICAL INVESTIGATION WORK FOR HIGH-SPEED ELEVATED RAIL CORRIDOR BETWEEN HYDERABAD-BENGALURU (PACKAGE-2).; 1 Mobilization and Demobilization of drilling rigs at site locations. 2 Exploratory drilling of 150 mm dia borehole at various location in all types of soil and gravel (including all necessary arrangements) using suitable approved method of drilling including providing casing pipe if required, performing SPT at every 3 meter interval and at the change of strata, collection of disturbed and undisturbed soil sample at every 3 meter interval and at change of strata & transportation of all collected samples to the RITES Laboratory, Plot No.: 466, Faridabad, 68, Sector - 55, IMT, Faridabad, Haryana 121006 In Dry Area. (UPTO core recovery<=10%)0-40m 3 Exploratory Drilling of 150 mm dia borehole at various location in all types of soil and gravel IN RIVER BED AREA (including standing/flowing water with all necessary arrangements) using suitable approved method of drilling including providing casing pipe if required, performing SPT at every 3 meter interval and at the change of strata, collection of disturbed and undisturbed soil sample at every 3 meter interval and at change of strata & transportation of all collected samples to the RITES Laboratory, Plot No.: 466, Faridabad, 68, Sector - 55, IMT, Faridabad, Haryana 121006. (UPTO core recovery<=10%)0-40m 4 Exploratory drilling of vertical boreholes of NX size (76mm diameter) in all types of Boulders & weathered rock by double tube/triple tube core barrel diamond drilling and collection of rock core samples from boreholes at specified depths & transporting selected rock core samples to RITES Laboratory, Plot No.: 466, Faridabad, 68, Sector - 55, IMT, Faridabad, Haryana 121006. Weathered rock is considered where core recovery is more than 10 % and up to 50%.0-40m 5 Exploratory drilling of vertical boreholes of NX size (76mm diameter) in fresh and hard rock by double tube/triple tube core barrel diamond drilling and collection of rock core samples from boreholes at specified depths & transporting selected rock core samples at RITES Laboratory, Plot No.: 466, Faridabad, 68, Sector - 55, IMT, Faridabad, Haryana 121006. Fresh and hard rock is considered where core recovery is more than 50%.0-40m 6 Conducting in-situ suitable size Plate Load Test (PLT) at selected location as per IS:1888 including making loading arrangements as per codal provisions including excavation and refilling of trial pit for suitable plate size

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