Geotechnical investigation, collection and testing of samples for proposed Nallah diversion at Adasa UG to OC Mine of Saoner Sub Area under Nagpur Area.

Amount

Considering 02 Nos. of boreholes at plug & 06 of boreholes along the new Nalla alignment at 500m interval.Taking trail bore of 100mm dia. in soil & highly weathered rock. 7 No BH x 13m/BH=91m

Considering 02 Nos. of boreholes at plug & 06 of boreholes along the new Nalla alignment at 500m interval. Taking trail bore of Nx size in hard Strata /rock except in granite and quartzite rock. 7 No BH x 2m/BH=14m

Considering 02 nos. of Trial pits at plug point & 4 nos. of Trial pts along the proposed Nalla alignment at 500m interval along with 10 nos. Trial pits at Borrow Area for collecting samples for Harting & Casing material. Excavation of Trial pts in soil & highly weathered rock strata up to maximum 3.00m depth or up to hard stratum whichever is earlier. Form Borrow area: Haring material – 5nos. Casing material – 5 nos. From Proposed Nala alignment: 06 No Trial pits

Sampling Collection of disturbed sample for soil identification & classification: From plug points & proposed Nalla alignment:- 7 No Boreholes x 3 No./BH=21 No. From Proposed Nalla alignment.- 6NoTrial pits x 3 No./TP=18 No.

Sampling Collection of 4” (100mm) dia. and 45cm. long undisturbed sample (UDS) at plug points. From 2 plug point – 1 nos. per plug point x 2 PP = 02 no.

Sampling Collection of disturbed sample (DS) form borrow area for Casing and Hearting material. Form Borrow area: Haring material – 5nos. Casing material – 5 nos.

Sampling Packing Preservation, transportation and submission of collected 2 no. Undisturbed and 10no. Disturbed samples to M.E.R.I. Nashik.

Laboratory Testing of samples collected from Boreholes & Trial pits along proposed Nala alignment at Laboratory Nagpur :- Grain Size Analysis – GSA /Mechanical Analysis 7 No BH x 3 No./TP=21 No. 6NoTrial pits x 3 No./TP=18 No.

Laboratory Testing of samples collected from Boreholes & Trial pits along proposed Nala alignment at Laboratory Nagpur :- Atterberg Limits 7 No BH x 3 No./TP=21 No. 6NoTrial pits x 3 No./TP=18 No.

Laboratory Testing of samples collected from Boreholes & Trial pits along proposed Nala alignment at Laboratory Nagpur :- Free swell index Test (FSI) 7 No BH x 3 No./TP=21 No. 6NoTrial pits x 3 No./TP=18 No.

Laboratory Testing of samples collected from Boreholes & Trial pits along proposed Nala alignment at Laboratory Nagpur :- Natural Moisture Content (Wc) 7 No BH x 3 No./TP=21 No. 6NoTrial pits x 3 No./TP=18 No.

Submission of compiled report with soil identification & classification including 7 nos. Borehole & 6 nos. Trial Pit logs for total 13 nos. locations.

MOBILZATION:- Mobilization & Demobilization of field testing equipment’s drilling machine etc, including local shifting , along with mobilization for collection of samples from Trial pits etc.

Total impact of GST for the purpose of CTC

DCM Test Labs