Providing 6inch dia borewell to kasimedu thoppu in ward 46

Amount

Drilling 150mm dia borewell in all kinds of soils except hard rock by first taking pilot bore and then enlarged to required dia meter to enable inserting the PVC casing pipe by directed rotary mud and circulation method including all labour and water etc.complete.

Supply of 150 mm PVC casing pipe as per ISI.

Labour charges for inserting 150mm PVC casing pipes assembly (with slot or without slots) in the drilled bore including jointing the pipes etc complete.

Drilling of Borewells anywhere in Tamilnadu including transportation from one place to another with in Tamilnadu in alluvial soil sedimentary strata of clay and sand stone shale pebbles boulders etc. By first taking a pilot bore of 140 mm/150mm dia and then enlarging to required dia direct or reverse rotary mud circulation method using rotary rigs, fuel, labour and drilling bentonite and water required for drilling at site ( Site will be shown by the TWAD Board Officers) including construction of mud pit.

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

Earth work excavation for foundation in Hard stiff clay, stiff black cotton, hard red earth, shales murram, gravel, stoney earth and earth mixed with small size boulders SS.20B and Sand, silt or other loose soil, wet sand or silt not under water, light black cotton soil, sandy loam ordinary soil and to full depth as may be directed wherever necessary refilling the sides of foundation with excavated soil other than sand in layers of 15cm thick well rammed and cleaning and levelling the site etc.,complete - Open Earth work Excavation.

THREE PHASE SUBMERSIBLE PUMPSET SUITABLE FOR 150MM DIA-3HP 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 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 asper IS 9283 /1995 as amended there after, suitable for operation in AC three phase 415 V+/-10%, 50HZ +/- 5 % , 50 lpm x 175mtr

THREE PHASE PANEL BOARD- D.O.L. WITH TWO LEVEL GUARD AND AUTO START Supply and delivery of direct online starter confirming to S13947 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 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). -3HP

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

Supply and delivery of MS Kisok of size 0.75m x 0.45mx0.75m made up of MS angles of size 50mm x 50mm x 4mm alround covered with 16gauge MS sheet and kiosk door made up of MS plates of size 15mm x 3mm including cutting, welding, grinding locking arrangements, labour charges etc., complete

Supply and delivery and fixing Gi pipes and speacials as per is speacification. 40mm UPVC Column Pipe

32mm GI Pipe

40mm Clamp set

32mm GI Coupling

32mm GI Bend

32mm GI Elbow

32mm Gate Valve GM

50mm NRV Valve GM

32mm GI Hex Nipple

32mm GI Union

Bore Cover

Bore Clamp

Labour charges for erection of submersible pump set bore well in cluding fixing and jointing submersible cable with proper clamps pressuregauge up to the exrterior wallof pumproom kisok and erection of panel board consisting of TPCIN switches starter volt meter ammeter thre indicator tamp capaciator single phase preventor ater level guard laying and jointing if cables and earthing complete the pumpset on trial for 10 days.

Add GST 18%

C SATHIYASEELAN (BID ID -1438227)