Drilling of Deep Borewells with Power Pumps at Ward no 15 Gorimedu in Poonamallee Municipality

Amount

Conducting of Geo Physical Survey for achieve maximum Quantity of water etc.

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 (For upto 300mm 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. Drilling of 140/150 mm pilot bore upto 60m Depth ending below ground level etc., complete. (TWAD SOR Pg - 279)

Earthwork excavation and depositing on bank with initial lead of 10 metres and initial life of 2 metres hard stiff block cotton hard red earthy shales muran gravel stoney earth and earth mixed with small size boulders and hard gravelly soil as per SS-20B (TWAD SOR Pg - 308)

Reaming 140/150 mm dia pilot bore to 300mm dia bore as directed by the TWAD Board Officer. Upto 60m depth ending below ground level etc., complete as per standard specification. TWAD SOR Pg - 279)

Supply and delivery of following 150mm dia CS and RS casing pipe as pe IS 12818/2010 . including cost and conveyance of pipes with accessories to site etc., complete - CS Casing shallow depth (plain pipe) - (TWAD SOR Pg - 17)

Labour Charges for slotter cutting 150mm dia casing pipe including cost and conveyance of labour and machinary etc., complete as per standard size of slotter cutting as directed by departmental officers.(Quotation)

Labour Charges for inserting 150mm dia ( Casing pipes assembly with slots or with out slots) in the drilled hole including welding the joints etc., complete and supplying and packing the annular space with pebbles of size and quality as approved by the Executive Engineers of TWAD Board.(TWAD SOR Pg - 282)

Supply and delivery of following PVC, GI Pipes and Specials including cost and conveyance of pipes with accessories to site etc., complete (a) 50mm Upvc pipe

50mm dia G.I Elbow (TWAD SOR PG - 40)

50mm dia G.I flange set (TWAD SOR PG - 40)

50mm dia G.I Nipple (TWAD SOR PG - 40)

50mm dia MS clamp set (TWAD SOR PG - 40)

THREE PHASE PANEL BOARD- D.O.L WITH TWO LEVEL GUARD AND AUTO START - 2 phase panel board (TWAD SOR PG - 111)

4sqmm 3core flat cable (TWAD SOR PG - 118)

100AMS fues carrier (TWAD SOR PG - 177)

50mm gate valve (TWAD SOR PG - 41)

7/20 A/U.wise for service connection (TWAD SOR PG - 119)

Supply and delivery of clear water vertical wet type 5HP ( 50 x 175 LPM) 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 as per IS9283 /1995 as amended there after, suitable for operation in AC three phase 415 V+/- 10 %, 50 HZ +/- 5 % - 2 HP Submersible pumpset (100X40Lpm) (TWAD SOR PG - 98)

3" dia PVC pipe 6ksc (TWAD SOR PG - 16)

3" dia PVC coupling (TWAD SOR PG - 22)

3" dia PVC Elbow (TWAD SOR PG - 22)

3" dia PVC Tee (TWAD SOR PG - 22)

3" dia PVC Bend (TWAD SOR PG - 22)

SupplyandfixingofTNEBmeterboardsuitablefor32Athreephaseserviceconnectionwith3Nos.32Afuseunit(500V)32Aneutrallinkandearthlink(1"x1/8"copperflat)onTWplankofsize600mmx450mmx19mmwithsupportingTWreepersof1"thickaneithersidewithpaintingwithsuitableboltandnutsforfixingtheTWplankonwallwithearthconnectionandinterconnectionwith7/20PVCinsulatedcopperwirefromEBmeter to fuse unit (SD 127)

Lowering PVC rigid pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste. For depth upto 2m PVC pipeetc., completed as per specifications. - 90mm dia pvc pipe (TWAD SOR PG - 253)

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.. (TWAD SOR PG - 285)

Providing safe guard Arrangements fore borewell using Brickwork in cement morter 1:5 mix Alround the borewell with a minimum space of 90x60cm, plastering in side and out site cm.(Quotation)

Refilling the exeavatted earth into layer by layer including cost oflabour charges for filling watery and consolidation etc, complete as per specification.(PWD SOR PG 36)

HK CONSTRUCTION (BID ID -1398822)