Providing New Borewells and Main Pipe Line to Kalaiani Garden in Konnerikuppam Panchayat at Kancheepuram Panchayat Union Under 15th CFC BP / 2025-26 Estimate Amount .13.90 Lakhs

Amount

Charges for Conducting Geo Physical Survey

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.

0m to 60m depth

60m to 90m depth

90m to 120m depth

120m to 150m depth

150m to 180m depth

Reaming of 150mm Dia Borewell to 300mm Dia Borewell as directed at site Including all other labour charges etc complete.

0m to 60m depth

60m to 90m depth

90m to 120m depth

120m to 150m depth

150m to 180m depth

Labour charges for inserting casing pipe supply & packing of pebbles

Supply & delivery of 150mm Dia PVC Plain Casing pipe as per IS 12818 / 2010

Supply & delivery of 150mm Dia PVC Slotted Casing pipe as per IS 12818 / 2010

Charges for developing the borewell using air compressor in hours

Supply and delivery of vertical wet type submersible pumpset ( 7.50 HP) capable of discharging any of the following pumpage in lpm against noted head in m suitable for erection into the bore well/Inf. well / open well with stainless steel shaft, bronze impeller and starter.

Supply, delivery and erection of Submersible Pumpset of 50 LPMX 200 Head as per SOR TWAD - Page 88

Supply and delivery of 3 phase Panel Board D.O.L with two level guard and auto start confirming to IS specification for 7.50 HP pumpset. TWAD SOR Page 101

Supply, delivery of 1.1 KV Grade,PVC insulated and sheathed 3 core flat copper submersible cable with ISI marking conforming of IS 694/1990 of reputed make for submersible motor erected in borewell.

4.00 Sq.mm Copper cable page 109 II slno 2

Supply and delivery of GI medium class pipes and specials as per relevant IS as listed below.

50mm G I PIPES (MEDIUM) AS PER IS 1239/PART I/2004

50mm GI Coupling Heavy page 29

50mm GI Bend Heavy page 29

50mm GI Flangeset Heavy page 29

50mm MS Clampset Heavy page 29

50mm GM Non Return Valve page 30

65 x 50mm GI reducer heavy page 26

90mX80mm PVC T.Coupler page 10

50mm Ball Valve/ GM Gate Valve page 30

Labour charges for erection of submersible pump set including fixing and jointing the submersible cable with clamps to the required depth, valves and errection panel board control room twin earthing as per I.E Rules including cost of civil works

Upto 5.00 HP

Construction of Borepit Arrangements

Supply,delivery, laying and jointing of 90mm OD PVC 4Ksc pipe inlcuding earth work excavation in all strata soil, refilling and hydraulic testing, adopting standard specification and as directed by TWAD Board Officer.

Supply of PVC specials as per BIS 10124/1988 Part 1 to 13 &BIS 7834/1975 with ISI Marks to site of works

a.90mm PVC Bend

b.90mm PVC Threaded Coupler

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}

S.ANBU (BID ID -1522297)