Thanjavur District - Drilling of 200mm OD PVC New borewell and erection of submersible pump set and allied works at TB Sanatorium in Sengipatti Panchayat in Thanjavur District under TB Sanatorium Hospital Fund 2025-2026 Tranche

Part.1.Drilling of 200mm OD PVC new Borewell and Erection of Submersible Pump set and Allied Works at TB sanitorium in Sengipatty Panchayat.

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.

Up to 60m Depth ending from Ground Level

Reaming 200 mm dia pilot bore to 350mm dia bore as directed by the TWAD Board Officer.

Upto 60 m depth ending below ground level

Supply and delivery of Following Materials a per ISI Specification

200 mm OD PVC Plain casing pipes

200 mm OD PVC Slotted casing pipes

200 m PVC End pLug

Clamp Set

Bore Cover

Charges for 180mm Hard rock punching including fuel and Transportation

Labour Charges for inserting 150 mm/200mm/250 mm dia (M.S. 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.

Charges for developing the Borewell with air compressor of 600 CFM capacity

Supply and delivery of clear water7.5 HP 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 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 %

Supply and Delivery of 1.1 KV grade 4.00 core PVC insulated 3 sqm copper flat submersibble cable and all itsISI marking including all charges etc complete.J

Supply and Delivery of the Following GI pipes and Specials

50mm UPVC column Pipe

16mm Nylon Rope

50mm Flange set

50mm GM Non return Valve

50mm GI pipe B Class

50mm GI Elbow

50mm GI MS Clamp Set

Labour Charges for erection of Horizontal shaft, centrifugal pumpset (Coupled/ Monoblock) in bore well/Open well including fixing of suction pipe and foot valve upto a maximum depth of 7 metres and delivery pipes to the required length with valves, pressure gauges upto the exterior wall of pump room and erection of panel board consisting of TPIC switches starter, Voltmeter, Ammeter, Capacitor single phasing preventor and laying and jointing the cables and twin earthing as per IE rules including providing bed blocks etc., complete and operating the pumps and trial run for 10 days including signing of completion of reports as required by EB authorities.

Pumping Main and Distribution Pipe Line

Earth work excavation in all types of strata for laying of pipes with the standard trench width as per Bd .Circular No. 28/ AE10/ P&D/ 2001/ dt. 01.10.2001 and JCE (P&D)/ Lr.No. LM/ AE10/ P & D/ 2001/ dt.22.11.2001

63mm OD PVC 4 Ksc pipe

90mm OD PVC 4 Ksc pipe

Supply of unplasticised PVC rigid pipes as per BIS 4985/2000 with ISI Marking to site of works

63mm OD PVC 4 Ksc pipe

90mm OD PVC 4 Ksc pipe

Conveying the PVC Pipes and specials to trench lowering into the trenches, laying to proper grade and alignment, Jointing with PVC coupler and specials fixing with Solvent cement paste and testing to the required pressure as per IS including conveyance etc.

63mm OD PVC 4 Ksc pipe

90mm OD PVC 4 Ksc pipe

Refilling with excavated soil complying with standard specification in layers of 15 cm thick well rammed and consolidated after pipes and specials are laid and tested.

63mm OD PVC 4 Ksc pipe

90mm OD PVC 4 Ksc pipe

Supply and Delivery of the Following materials

80 mm GI Pipes

Supply and Delivery of 80m Gate Valve

90mm PVC End Cap

90mm PVC coulper

90mm Pvc tee

90mm PVC Elbow

63mm PVC Coupler

63 mm PVC Tee

63mm Pvc Elbow

Solvent Cement

GST Amount for providing Service to Government Contract Works for the above Construction Works. { GST Amount is the Total GST Amount for total overall quoted amount above this row in column "BB" for all works in this package}

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