REPAIR/MAINT OF BOREWELLS AND IRON REMOVAL PLANT AND FILTERATION PLANT AND FILTER MEDIA AND CONNECTED PIPE LINES AND VALVES CABLE ETC UNDER GE SHILLONG

M&L for PCC 1:3:6 type C2 (Using 40 mm graded stone aggregate) after levelling the area around filtration plant / sedimentation tank complete all as specified and directed.

M&L for PCC 1:2:4 type B-1 (Using 20 mm graded stone aggregate) as in coping/benching incl. sheathing slightly chamfered on edge and finishes exposed surfaces even smooth with out using extra cement including necessary from work/Road cutting/ complete all as specified and directed.

Disconneting of electrical connection from the panel board and starter of submersible pumping set of any model / make size 2 HP to 20 HP capacity and removing the pipe line connection from discharge side and taking out submersible pump set along with column pipe from bore well with the help of chain pully block including transportation to Workshop and back after repair and lowering of same pumping bore well including replacement of rusted nuts, bolts, rubber gasket etc to make it fully functional and testing complete all as specified and directed. Note:- (i) Before lowering the pump all flanges must be proper welding. (ii) The repairs part of pump and motor will be measured and paid separately. (iii) Incoming and outgoing electric and water pipe line connection would be kept in safe custody for reuse at same work for lowering the submersible pump set complete all as specified.

M&L in replacement Motor Rewinding of submersible pump 10 to 20 Hp including replacement of bush/bearing, check nuts, connector complete. Note : (i) Burnt out removed winding wire shall be property of contractor through schedule of credit complete all as specified and directed.

M&L in replacement Motor Rewinding of submersible pump 5/7.5 Hp including replacement of bush/bearing, check nuts, connector complete all as specified and as directed. Note : (i) Burnt out removed winding wire shall be property of contractor through schedule of credit.

M&L in replacement Pump repair complete including replacement of bush, bearing, impeller of capacity 10 to 20 HP complete all as specified and as directed.

M&L in replacement Pump repair complete including replacement of bush, bearing, impeller of capacity 5/7.5 HP complete all as specified and as directed.

S&F in replacement Stay wire rope steel, 10 Sq mm including taking down old unserviceable complete all as specified and directed.

Supply and fixing water proof submersible cable 3 core 10 Sqmm copper conductor, PVC insulated 1100 volts grade, protected by means of metal clip alongwith the pump body and connected to pump motor through water tight sealing joints including taking out old unserviceable submersible cable complete all as specified and as directed.

S&F in replacement Supporting clamps made out of flat iron 6mm thick and 65mm width suitable for up to 80 mm bore pipe including taking down old unserviceable complete all as specified and directed.