Repairing of gravelled approach road, plinth preparation/ repairing along with de-watering of existing effluent pits with pit bundh strengthening, construction of CC/RCC foundations to suit S-3 E-1400 AC/ SCR rig outfit or any other equivalent E-1400 rig outfit for Loc: DJL in the existing plinth of SMD 05 in Bogapani Samdang area including supply of all materials except cement and empty cement bags