Flushing, deepening and Erection of additional GI pipe to Ext. borewell at Ward areas in ward no 5, East Zone

Amount

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 departmental Officer and conducting yield test by 'V' notch method if required.

Drilling of 150mm dia. Bore well in overburned soil area anywhere in Coimbatore Municipal Corporation limit including transportation to the work site including labour charges as directed by the departmental officers. Etc complete.,

Supply of 200 mm dia OD PVC casing pipe 6 kg/ cm2 suitable wall thickness including erection and welding including the cast of coupling etc complete..

Labour for the erection of submersible pumpsets in borewell including fixing and jointing submersible cable with proper claps upto the starter to the required depth and also fixing of riser pipes to the required depth values erection clamps, pressure gauges upto exterior wall of the pump room and erection of panel board consisting of TPICN, Switches starter, Voltmeter, Ammeter 3 pilot (including lamps) capacitor, single phasing preventor, water level guard and laying and jointing the cables and twin earthing as per IE rules including construction of earth pits with earthing materials as per rules etc. complete testing pumpsets on trial run 30 days and as directed by Corporation officers.

Supply and delivery of the following materials approved brand as per list with ISI marking and an approved by Corporation officers.

50 mm GI pipe ‘B’ class ISI mark

50 mm GI Bore coupling

50 mm GI coupling

50 mm GI Bend

50 mm GI Elbow

50 mm dia non return valve

50 mm dia GM gate valve

MS Borewell cover

63mm dia pvc pipe

63mm pvc coupling

63mm pvc elbow

63x20 mm dia PVC saddle

20mm PVC tap

Supply and fixing of panel board of 3 phase star Delta with two level Guard and Auto start as per Dept instruction etc. complete

7.5 HP panel board

10 HP panel board

Supply and delivery of the following Electrical items approved brand as per list with ISI marking and an approved by Corporation officers.

Supply of 7x20 copper wire

Supply and delivery of borewell submersible pumpset with vertical type with all accessories with latest FS 8034 in general for the following duty conditions the pumpset should have diagonally balanced bronze impler and stainless shaft for motor and pump and directly coupled to a suitable capacity continuous rated three phase fifty cycles 22/440 volts AC supply motor should be as per ISI with upto date amendment. The starter winding should be made from high conductivity PVC insulated 3 core flat copper cable of suitable size., Supply and delivery of power coated MV panel incorporating switches and one on air break automatic star delta (FASD) Starter (have condenser ) Suitable for the above motor with suitable ammeter, voltmeter, single phasing cum dry running preventor, point lamps pneumatic timber suitable for 240V – 440V Providing termination @ TNEB Meter to MV panel board as per IE rules and as directed by Corporation officers.

7.5HP (75LPM X 200m)

Supply of 4 mm2 3 core copper, PVC insulated flat cable.

Earth work excavation in all soils with initial lead & lift etc. complete as per direction of departmental officers including Refilling.

Laying and joining of PVC pipe for Distribution line including all labour charges etc complete.,

Add :- GST @ 18%

S V Constructions