Tiruppur Corp Z4 Drilling of New Borewell and Erection of Submersible pumpset in Chinnan Nagar Area in Ward No 36.

Geophysical Survey Charges for Locationg bore well drilling etc., complete

Upto 150M Below GL

Supplying, Deliverying and Erction of PVC 180mm non pressure casing pipe of 6mm thick in the bore well at top level in position of projecting of 0.30m above ground level including inserting charges, conveyence of all items in site cost of labour charges and with one supporting vehicle etc., complete as per standard specifications (Rate - 457.00(WD-M0027) + 362.30(WD-W0836)=819.30)

Supply and delivery of (50LPMx175M) 5 HP Bore well submersible pumpset suitable for 150mm dia borewell conforming to IS 8034/2002 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 continous rated two pole suitable wet type vertical squirrel cage induction motor as per IS9283 /1995 as amended there after, suitable for operation in AC three phase 415 V+/- 10 %, 50 HZ +/- 5 % (WD-M1634)

Labour charges for the erection of 5 HP submersible pumpset in borewell/openwell 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.(WD-W0872)

Supply and delivery of Star-Delta starter confirming to IS 13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/ Three Phase/50HZ (+/- 5%) and 415V (+/- 10%) including 3 pole magnetic contactor with under voltage release - 3 os., CT operated Ammeter (65 mm dia) with suppressed scale, Voltmeter (65mm dia), Voltmeter selector switch, Miniature circuit breaker, Thermal Overload relay, Air Break contactors suitable for next Standard higher KW rating, Single phasing preventor, dry running preventor and On/Off Push button switches, wiring with 1 sq.mm/4 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 PVC insulated and sheathed 3 core 4 sq.mm flat type copper cable conforming to IS 694/1990 and as Amended Thereafter (WD-M1975)

Earthwork excavation for Narrow Trenches in all soils and sub soils except in hard rock requiring blasting and depositing on bank with initial lead of 10m and initial lift of 2m inclusive of shoring, shuttering, bailing out water wherever necessary, refilling the foundation with excavated earth other than sandy soil in layers of not more than 150mm thick layers well rammed and depositing the surplus earth within the compound in place shown by the departmental officers and clearing and levelling the site etc,. complete.