ROVIDING DEEP BOREWELL FITTED WITH MINI POWER PUMP AT MANOJIYAPPA STREET THILAIYAPPA VATHIYAR LANE IN WARD NO 24

Amount

Drilling of Bore wells any where in Tamilnadu including transportation from one place to another with in Tamilnadu inalluvial soilsed imentary strata of clay and sand stone shale pebbles boulders etc. By first taking a pilot bore of 140mm /150mm dia and then enlarging to required dia director reverserotary mud circulation method using rotary rigs,fuel,labour and drilling bentonite and water requiredf or drilling at site (Site will besh own by the TWAD BoardOfficers) including construction of mud pit.

a) Upto 60 mts. Depth ending below ground level.

b) From 60 mts to 90m

c) From 90 mts to 120m

Reaming from 200mm dia pilot bore to 350m dia bore as directed by the department officer upto 120m depth ending below ground level.

a) Upto 60 mts. Depth ending below ground level.

b) From 60 mts to 90m

c) From 90 mts to 120m

Supplying and delivery of 200mm dia following OD PVC blue casing pipe suitable for medium wells with standard approved quality and make etc., complete as per the instructions of the departmental authorities.

a) Slotted PVC Pipe

B) Unslotted PVC pipe

Labour charges for inserting PVC casing pipe (with slots and without slots) in the drilled hole including jointing the pipe with cement paste etc., complete and supplying and packing of annular space with pebbles etc., complete as per standard specification.

Charges for developing the borewells with air compressor of 600 CFM capacity including transportation labour and fuel charges for compressor as directed by the departmental officers and conducting yield test by "V" notch method etc., complete as per standard specification.

Supply and delivery of clear water vertical wet type submersible pump conforming to IS 8034/2002 and as amended thereafter and BEE 3 Star Rated capable of discharging noted LPM against head of water column due to all causes. The pump shall be with stainless steel shaft and dynamically balanced bronze or Cast SS impeller, brass screws and CI FG 200 grade pump bowl/diffuser with ISI mark. The pump shall be directly coupled to a continuos rated two pole suitable wet type vertical squirrel cage induction motor suitable for operation in AC single phase 230 V+/- 10 %,50 HZ +/-5 %

Supply and delivery of direct online starter confirming to IS13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/single Phase/50HZ(± 5%) and 230 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)

Supply and delivery of 2.5 Sq.mm. PVC insulated and sheathed 3 core flat type copper cable comfirming to IS 694/1990 etc., complete as per standard specifications.

Supply and fixing of 32mm UPVC Pipe etc., complete as per standard specifications.

Supply and delivery of following specials as per standard specifications.

90 MM dia PVC 6kg/cm2

200mm dia End cap

200mm dia bore cover plate

Nylon Rope

Labour charges for the erection of submersible pumpset in borewell/ open well including fixing and jointing submersible cable with proper clamps upto the starter to required depth and also fixing of riser pipes to the required depth valves erection clamps, pressure gauges upto the exterior wall of pump room and erection of panel board consisting of TPICN switches starter, voltmeter, Ammeter , three pilot ( indicating ) lamps capacitor single phasing preventor, water level guard and laying and jointing the cables and twin earthing as per IE rules etc., complete and testing the pumpset and trail run for 10 days . (Upto 5.00 HP )

Wiring with 2x1.5 sqmm ( 22/0.3) PVC insulated unsheathed SC. Cu. Conductor of 1100 V grade in suitable PVC rigid pipe on wall and ceiling with PVC accessories with 150x100x113 mm TW switch box for 5 A 3pin non interlocking CS plug with painting of suitable colour with continous earth connection of 14 SWG TC wire for open PVC plug point.SD. 36

Supply and providing 1000 litres capacity Priming Tank made up of PVC. Make: SINTEX / EQUIVALENT

JEEVA GOVINDARAJAN (BID ID -1414454)