Providing Borewell Maintenance and Repair Works at SRV Park Inside, Harveypatti in Ward No.96 Zone 5.

Labour charges for inserting 160mm O.D. PVC casing pipes assembly (with slot or without slots) in the drilled bore including jointing the pipe etc. complete

Drilling of borewell anywhere in-Tamilnadu including transportation from one place toanothar place within Tamilnadu in alluvaial soil or sedimentary strata of clay and sand or sand, stone, shale, pebbles, boulders etc., by first taking a pilot bore of 140/150mm dia and then enlarging to requierd dia by direct or reverse rotatry mud and circulation methd using contractor's rig, fuel, labour, drilling, at the site shown by the Deparment Officers including construction of mud pit.

Developing the borewell with air compressor of 300 cfm capacity (min 8 hours) including transportation labour and fuel charges for compressor as directed by corporation yield test by "V" notch method.

THREE PHASE SUBMERSIBLE PUMPSET SUITABLE FOR 150MM DIA - BOREWELL AS PER IS 8034/2002 WITHOUT PANEL BOARD Supply and delivery of clear water vertical wet type 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 balancex bronze or Cast SS impeller, brass screws and CI FG200 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 asper IS 9283 / 1985 as amended there after, suitable for operation in AC three pohase 415 V +/-10% , 50HZ +/-5% , 50lpm x 125m

THREE PHASE PANEL BOARD - D.O.L.WITH TWO LEVEL GUARD AND AUTO START Supply and delivery of direct online starter confirming to IS13947 and IEC 947 suitable KW rating for operation in AC/single 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 capacitr, running capacitor and On/Off Push button switches, 5way connector,wiring with 1sq.mm/1.5 sq.mm copper PVC insulateed cable. powder coated vermin proof box including the capacitor (the cost of capacitor is to be taken separately)-50lpm X 125m head

Supply and delivery of PVC insulated and sheathed 4.0 sq.m copper cable conforming to IS 694/1990 suitable for submersible pump set..

Supply and delivery of MS Kisok of size 0.75mx0.45mx0.75m made up of MS angles of size 50mmx50mmx4mm alround covered with 16 gauge MS Sheet and Kiosk door made up of MS Plates of size 15mmx3mm including cutting.welding grinding locking arrangements,labour charges etc.,complete.

Supply of PVC pipe and G.I pipes and PVC pipe & Specials. 40mm UPVC Pipe

Nylon Rope

32mm Gi bend

32mm GM gate Valve

32mm GM non return Valve

32mm Gi elbow

32mm Gi Pipe

20mm Gi pipe

20mm Gi Coupling

20mm hex nipple

PVC screw down tap Heavy type 20mm dia

40mm Clamp set

150mm borewell cover

Labour charges for erection of submersible pump set bore well including fixing and jointing submersible cable with proper clamps pressure gauge up to the exterior wall of pupm room kisok and erection of panel board consisting of TPCIN switches starter volt meter ammeter three indicator tamp capacitor single phase preventor ater level guard laying and jointing if cables and earthing complete the pumpset on trial for 3 days..

Construction of borewell chamber of following sizes with earth work excavation for foundation , 23cm thick concrete bed using 40mm brick jelly concrete in cm 1:4:8 for foundation , brick work in cm 1:6 for chamber , plastering with cm 1:3 , 12mm thick , benching , channelling , supplying and fixing 45X45cm medium weight cover and frame etc.complete.., (Size-0.60mx0.60mx0.60m)

Labour charges for over head wiring from EB pole to pump room by fixing 32mm dia GI pipe to the required height over roof slap of pump room ads directed by EB authorities including fixing copper wire in four layers and inslulated with proper reels wire required MS clampset supp delivery and fixing of all materials such as bore well cover clamp set U kondi 7/20GI wire insulated reels 24 18 TW meter board 10x4 aorial board PVC Tape roll copperd earth plate GI bolt and nut with washer nutral linkPVC insulted copper wire (7/20 wire up to 10 HPm 7/16 wire above 10hp)1”PVC hose pipe 1” PVC clamp 25mm PVC encacing pipe 332AMPS fuse carroar 6no 10HP and 60 amps fuse carrier.

Add GST 18%