Geotechnical investigation, collection and testing of samples for proposed Nirguda Nallah diversion at Mungoli OC of Mungoli Sub Area.

Geotechnical Considering 02 nos. of boreholes at plug & 03 of boreholes along the new Nalla alignment at 500m interval.

Taking trail bore holes of 100mm dia in soil & highly weathered rock. 05 No BH C 13m

Taking trail bore holes Nx size in hard Strata in rock except in granite and quartzite rocks 05 No BH x 2m/

Considering 02 Nos. of Trial pits at plug point 03 Nos. of trial points along the proposed Nalla alignment at 500M interval along with 10 nos. trial pits at borrow area for collecting samples for harting and casing material.

Excavation of trial pits in soil & highly weathered rock strata up to maximum 3.00m depth or up to hard stratum. From Borrow area: Haring material - 5 Nos. Casing material - 5 nos. From Proposed Nallah alignment: 05 Nos. Trial pits.

Sampling

Collection of disturbed sample for soil identification & classification: From plug points & Proposed Nalla alignment: 05 No BH x 5 No./BH=25 No.

Collection of 4" (100mm) dia. And 45cm. long undisturbed sample (UDS) at plug point. From 2 plug point— 1 nos. per plug point x 2 PP = 02 Nos.

Collection of disturbed sample form borrow area for casing and hearting material. Form Borrow area : Haring material — 5nos. Casing material — 5 nos.

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

Laboratory Testing of Samples collected from boreholes & trial pits along proposed Nallah alignment at Laboratory

Grain Size Analysis — GSA /Mechanical Analysis 05 No x 6 No./BH= 30 No. 05 Nos. Trial pits x 03 Nos./TP = 15 Nos.

Atterberg Limits 05 No x 6 No./BH= 30 No. 05 Nos. Trial pits x 03 Nos./TP = 15 Nos.

Free swell index Test (FSI) 05 No BH x 6 No./BH= 30 No. 05 Nos. Trial pits x 03 Nos./TP = 15 Nos.

Natural Moisture Content (Wc) 05 No BH x 1 No./BH= 05 No. 05 Nos. Trial pits x 01 Nos./TP = 05 Nos.

Submission of compiled report with soil identification & classification including 05 nos. Borehole and 05 Nos. trial pit logs for total 10 Nos. Locations.

MOBILIZATION:

Mobilization & Demobilization of field testing equipment's drilling machine including local shifting, along with mobilization for collection of samples from trial pits etc.

Total impact of GST for the purpose of CTC

INR Six Lakh Seventy Four Thousand Only