Re-drilling/flushing of required borewells in various parts of Nelamangala Municipality and removal of damaged casing pipes and installation of new casing pipes in CMC Nelamangala Limit

Re-drilling/flushing of required borewells in various parts of Nelamangala Municipality and removal of damaged casing pipes and installation of new casing pipes in CMC Nelamangala Limit

Logging / scanning of borewell at any depth continuously with the help of Logger unit including the cost of transportation charges, crew charges, stationery charges and cost of consumables etc.

Positioning of the rig for retrival of failed borewells, raising mast and aligning the hammer and drill rods moounded on the rotary head of the rig concentric with borewell of 140-149 mm dia. to be r...

Re-drilling of filled-up borewell, including yield test at final depth.

Cleaning of borewells including yield testing of borewell either using slow or fast rigs for not more than 2 hours at the final depth with a minimum working of 2 hours continuously with air compressor...

Supply of ISI mark 175mm nominal bore,plain and steel casing pipe grade of steel Fe 410 of wall thickness conforming to IS 4270-2001 and latest ammendments, electrical resistance welded steel tubes, m...

Providing and laying at site of work MS casing caps as per IS 1239 (part- II) 1982 with all latest amendments if any for any dia. The thickness of plate used for covering one end shall be 3mm (minimum...