Sinking of 10 nos. 125/100 mm dia Tubewell through DTH rig at Birikala R and R Colony for the DPs of village Birikala and Gobindapur of KIP.

Labour for drilling a perfectly vertical bore holes of 125 X 100mm (5" X 4") dia for a specified depth below ground level in all kinds of soil/formation/hard rock by DTH rig so as to lower the PVC casing pipes of 125mm dia fitted with or without socket as the case may be as per direction of Engineer-in-charge including deployment of DTH rig with its accessories T&P and all consumables etc. all complete. i) 0 Mtrs to 60 Mtrs and above

Lowering of 125mm dia PVC casing pipes with or without socket with or without slot as per necessity from ground level upto 30 mtrs and beyond if required and fitted and fixed up in perfectly vertical position including cutting, threading, slotting, supplying and fixing of all jointing materials, T&P etc. all complete and keeping the top of the casing pipe threaded including plugging the Tube well to prevent the entry of foreign materials from top, minimum 1 mtrs of casing pipe has to be inserted and embedded at the bottom in hard rock to ensure sanitary sealing. (Casing Pipe will be supplied by the Department) i) 125mm dia PVC casing pipes 0 to 30 mtrs & above

Cleaning and Developing the Tube well with their own compressor continuously worked for 2 hours till clean and adequate discharge is obtained with supply of T&P, labour, all equipments etc. all complete.

Supplying all labour, tools & plant for fitting & fixing of Hand pump Tube wells as per PH Specification. (The materials will be supplied by the Departmental store which will be carried by the contractor at his own risk.)

Cost of 125mm dia ASTM-80 casing pipe

Cost of IMII Hand Pump complete set

Earth work in hard soil for foundation within 50m. Initial lead and 1.5m initial lift not exceeding 0.014Cum volume including rough dressing and breaking clods to maximum 5cm to 7cm and laying in layers not exceeding 0.3m in depth and as per the direction of the Engineer-in-charge.

Supplying & filling foundation & plinth with sand well watered and rammed including all cost, conveyance, royalty of materials, labour charges, T & P etc. complete as per the direction of the Engineer-in -Charge.

Cement concrete ( 1:3:6) in foundation and floors (i.e below the base course of terrace flooring using 4 cm size black hard crusher broken granite stone metal (free from weathered skinned & debris etc.) of approved quality including cost and conveyance royalities of all materials and cost of all labour with T& P required for the work complete and as directed by the Engineer-in-charge. .

CC (1:2:4) with 12mm size black hard CB granite chips with watering and curing excluding shuttering but including cost,conveyance ,royalty of all materials ,labour ,T& P etc complete .