Balkunj Chhachhrauli - Providing and Installing 1 No. Tubewell at Balkunj Chhachhrauli, Distt. Yamuna Nagar. (Under District Plan 2026-27).

250mm x 200mm bore by hydraulic rotary drilling reverse circulation method with rock roller/diamond bit but according to ISI specification No. 2800-1991 (Part-I) as ameded upto date and modified to extent of specification attached with this schedule of items of work in all kinds of soils and boulders except rocky starta including cost of all consumable stores, fuel oil stablizing material and transportation of rig and other accessories to the site of proposed bore and back including cost of lowering of all size of casing pipe while boring and extracting the same against earth friction etc. compete to the satisfaction to the Engineerin-charge.

Providing and fixing of Mild Steel (MS) D plate of size 300 mm dia x 10 mm thickness having weight 7 kg to cover the top of borehole fastend with nut and bolts and clamp placed on its top holding the pump set and GI pipes lowered in the tubewell complete in all respect to the satisfaction to the Engineer-in-charge.

Resistivity Survey with deep penetration, generator operated, D.C. resistivity meter to know the type of sub surface starta at different depths. Quantity of water likely to be available and depth of the tubewell to be installed to obtain fresh water in required quantity including transportation of equipments and manpower, submission of hard copy of resistivity survey with relevant technical data complete in all respect to the satisfaction of the Engineer-in-charge.