Package 7 - Providing Borewell with pipeline, power pump and Construction of OHT (60000 Lr) at Karaivetti birds sanctuary in Thirumanur Block of Ariyalur District under District Mineral Foundation Trust Fund 2020-21

Amount

1. Providing Borewell with Pipeline at Karaivetti Birds Sanctuary in Karaivetti Panchayat Charges for conducting GEO Physical Survey

Drilling of Borewells anywhere in Tamilnadu including trasportaion 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) incluing construction of mud pit. (0 m to 60 m depth)

Reaming of 150mm Dia Borewell to 300mm Dia Borewell as directed at side (0 m to 60 m 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 Plain casing pipe as per IS 12818/2010

Earthwork 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/AE 10/P&D/2001 dt.22.11.2001.

Supply of unplasticised PVC rigid pipes as per BIS 4985/2000 with ISI Marking to site of works (90mm OD PVC Pipe 4 KSC)

Conveying the PVC pipes and specials to trench lowering into the trenches, laying to proper grade and alignment, Jointing with PVC coup;er and specials fixing with solvent cement paste and testing to the required pressure as per IS incluing conveyance etc.(90mm OD PVC Pipe 4 KSC)

Refilling with excavated soil complying with standard specification in layers of 15cm thick well rammed and consolidated after pipes and specials are laid and tested.(90mm OD PVC Pipe 4 KSC)

Supply, delivery, laying and jointing of 90mm OD PVC 4 Ksc pipe including earthwork 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

90mm PVC Bend

90mm PVC Threaded coupler

Supply and delivery of GI pipes medium class as per IS 1239/Part I/1990 to site of work with ISI Marking (80mm GI pipe)

Supply and delivery of GI specials to site of work as per IS specification with ISI marking

80mm GI elbow

80mm GI coupling

Laying and Jointing of GI Pipes with GI specials and PVC specials etc. (80mm dia pipe)

Supply delivery and erection of submersible pumpset of 75 LPM x 225 Head as per SOR TWAD- Page 104

Supply and delivery of 3 phase Panel Board D.O.L with two level guard and auto start confirming to IS specification for 7.5 HP Pumpset. TWAD SOR page 118

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

Sq.mm coppery cable page 124 II slno 3

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

63mm HDPE Pipe lingth Medium SOR TWAD pn 10 page 29

50mm GI Coupling Heavy page 43

50mm GI Bend Heavy page 43

50mm GI Flangeset Heavy page 43

40mm MS Clampset Heavy page 29

50mm GM Non Return Valve page 30

50 x 40mm GI reducer Heavy page 41

63 x 50mm PVC T.Coupler page 10

50mm Ball Valve/GM Gate Valve page 44

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 twing earthing as per I.E Rules including cost of civil works

Up to 7.50 HP

2. Construction of OHT (60000 Litre) at Karaivetti Birds Sanctuary in Karaivetti Panchayat Earthwork excavation & Depositing on bank with initial lead of 10m and lift & 2m in hard stiff clay, stiff black cotton hard red earth shales, murram, gravel stoney earth mixed with small size boulder and in hard gravelly soils per SS 20B incluing all.

1 st depth (Column & G.L Brace)

2 nd depth (Column)

Collection and filling of river sand including cost and conveyance to site and all labour charges for filling water and ramming etc, complete for foundation.

Providing concrete for plain/ reinforced concrete (1:4:8) using 40mm ISS HGB stone in open foudations complete as per drawings and technical specification clause 802, 803, 1202 & 1203

Supplying and steel centering for all sides and soffits including supports and atrutts to 3.29 m height including all labour etc., complete

Up to 3.30m H

Column up to G.L brace

Above 3.30m upto 4.30m

Above 4.30m upto 5.30m

Above 5.30m upto 6.30m

Above 6.30m upto 7.30m

Above 7.30m upto 8.30m

Above 8.30m upto 9.30m

Above 9.30m upto 10.30m

Above 10.30m upto 11.30m

Supplying and fabrication of steel including cost and conveyance of steel to site and all lobour charges for straightening cutting to length, bending to shape and tying in position and forming grills for all R.C.C works as per standard specification

Reinforced cement concrete 1:1.5:3 mix using 20mm HBG metal for foundation and basement ect., complete as per standard specification

Below G.L upto 1.50m to 4.50m

Below G.L upto 1.50m

Above G.L upto 0m to 4.50m

Above G.L upto 4.30m to 7.32m

Above G.L upto 7.32m to 10.98m

Painting two coats with approved cement paint over one coat of priming coat over cement plastered exposed surface of the reservoir including cost of all materials brushes and scaffolding charges etc., complete as per standard specification

Providing MS ladder and hand rails arrangements in 60000 lrs capacity of OHT with 12.00m staging height

Providing and fixing of RCC inner access ladder in RCC 1:1.5:3 (One cement, one and half sane and three aggregats) using 20mm HBG stone for OHT including cost of reinforcement placing grill in position centering shuttering charges, mixing concrete..

Providing manhole cover of size 1x1, 0.75x0.75m in RCC 1:1.5:3 with suitable reinforcement and 50x50x6mm MS angle fixed along edges and as dircted by department officers

Providing GI ventilating arrangements mosquito proof nylon net with 50mm GI pipes and cowl and as directed department officers

Painting department empalam 1 x1 on the SR with enmal paint as per board specification and as directed department officers

Supply and delivery of following pipes and specials for OHT connection

65mm GI pipes

65mm GM gate valve

65mm GI Tee

65mm GI coupling

65mm GI bend

80 x 65mm GI Reducer

Provision for Name board charges

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}

Panneerselvam