Bore well Maintenance and Repair Works at Mellakkal in Madurai Corporation

Removal of centrifugal pumpset/ jet pumps/ submersible pumpsets and its accessories from borewell/ open well for attending repairs 50% of the rates mentioned under item 17 (a), (b) and (c) may be allowed for the respective Horse power.

Rate for flushing of borewell of 6" dia requiring less than 4 hours operation using drill rods/ hose with required size of pipes for various capacity compressor including transportation, labour, and fuel charges for compressors as directed by the TWAD Officer and conducting yield test by ‘V’ notch method if required.600 Cfm (100 /150 PSI)

Supply and Delivery of UPVC pipes and G.I. pipes specials 40 mm UPVC Pipe

Nylon Rope

40 mm G I Bend

40 mm G M NRV

Bore Clamp Set

Borewell Cover

Supply and delivery of PVC inoulated and sheathed 3 core copper cable conforming to Is 694 /1990 suitable for submersible pumpset.

Supply and delivery of direct online starter confirming to IS13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/Three Phase/50HZ (± 5%) and 415 V(±10%) including Ammeter, Voltmeter, Thermal Overload relay, 16 Amps 2 pole Magnetic Contactor with under Voltage protection, Indication lamp, starting capacitor, running capacitor and On/Off Push button switches, 5 way connector, wiring with 1 sq. mm/1.5 sq. mm copper PVC insulated cable, powder coated vermin proof box including the capacitor (the cost of capacitor is to be taken separately).