Providing Pumping Line From Karupanoothu TWAD Sump to Mela Narikudi 30000litre OHT in Narikudi Panchayat

Amount

Supply and delivery of the following sizes of HDPE PIPES - PE 100 AS PER IS 4984/2016 other specifications including transportation to stock yard any where in Tamilnadu etc., complete and as directed by TWAD Board officers

63 mm HDPE PN- 6 Pipes

63 mm HDPE 90 degree Bend - 6KSC

50mm DI Gate valve in 63mm HDPE Main

Supply and delivery of submercible pump conforming to IS 1520 and as amended thereafter with CI casing and split glands, stainless steel shaft, hydraulically and dynamically balanced bronze impellers capable of discharging required quantity of water against a total head noted below due to all causes and with the accessories such as G.M air release cock, Grease cup, G.I priming funnel, M.S lifting hook, drip water G.I pipe connections, leading to the outside of pump house rubber water deflector, doubleflap foot valve, G.M strainer including unique tyre type coupling, common M.S fabricated base to mount pump and motor and other standard fittings etc complete. Pump shall be capable of discharging the specified quantity at the head noted at the minimum NPSH at site conditions. The shut off head shall be atleast 25% over and above the head at duty point. The pump shall be suitable for operation in AC three phase, 415 V, 50 Hz, 1500 RPM and as directed by the TWAD Officers

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 vcapacitor is to be taken separately).

Labour charges for the erection of 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.

Earthwork excavation and depositing on bank with initial lead of 10m and lift of 2m in narrow trenches for laying of following sizes of pipes for water supply Standard trench width of in hard stiff clay, stiff black cotton, hard red earth, shales, murrams gravel, stoney earth and earth mixed with small sized boulders and hard gravelly soil etc., complete and as directed by TWAD Board officers.

Refilling with excavated soil (other than sand)complying with standard specification inlayers of 15cm watered well rammed and consolidated after the pipes and specials arelaid,jointed and tested etc. and removing and depositing the surplus earth at the places as directed by TWAD Board Officers

Lowering HDPE pipes and specials to trench and laying to proper grade and alignment and as directed by the TWAD Officers

Jointing HDPE Pipes and Specials by butt fusion welding/ electro fusion welding joints using fusion equipment as per ISO 21307- 2011 and as per IS 7634 (Part-2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per directed by TWAD Board officers.

Cutting HDPE Pipes true to axis and filing smoothly and finishing the ends etc., complete and as directed by TWAD Board officers.

V SELVAM (BID ID -1222634)