Construction of OHT at Thalavai Ambethkar Nagar in Thalavai Panchayat in Sendurai Block of Ariyalur District Under SFC (D.Pt) 2025-26

Amount

Earthwork excavation in hard stiff clay back cotton hard red earth, shales, murams, ordinary gravel stone earth mixed with 50% fair sized bounders etc., with an initial lead of 10m and lift of 2m etc (First depth of 2m from 0m to 2m below GL)

Earthwork excavation in hard stiff clay back cotton hard red earth, shales, murams, ordinary gravel stone earth mixed with 50% fair sized bounders etc., with an initial lead of 10m and lift of 2m etc (Second depth of 2m from 2m to 4m below GL)

Supplying and filling in foundation and basement with filling sand in layers not more than 15cm thick well rammed, watered and compacted complete complying with standard specification

Cement concrete 1:4:8 mix (one cement four sand and eight hard broken stone) using 40mm ISS HBG metal for foundation including cost and conveyance of all materials to site and all labour charges for mixing, laying and curing, etc., complete as per standard specification

RCC M30 using 20 mm machine crushed HBG stone for the following mambers excluding the cost of reinforcement and fabricating, centering, shuttering and strutting charges but including the cost of all materials, mixing, placing in position, lifting, vibrating, finishing and curing etc., complete

Below 1.50m from G.L (Column footing)

Up to 1.50m below G.L

0 m to 4.50m above G.L

4.50m to 7.32m above GL

7.32 m to 10.98 m above GL

10.98 m to 14.64 m above GL

14.64 m to 18.30 m above GL

Supplying and erecting Centering and Shuttering for soffits including necessary supports and strutting up to 3 M height for plane surfaces as detailed below in all floors with all cross bracings using Mild Steel sheets of size 90 x 60 cm and 10 BG stiffened with welded Mild Steel angle of size 25mm x 25mm x 3 mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at about 90 cm centre to centre and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75 cm centre to centre etc. complete complying with the standard specification.

Plain surface below GL

For 0.00m to 3.30m

For 5.30m to 6.30m above GL

For 8.30m to 9.30m above GL

For 11.30m to 12.30m above GL

Square column below GL and up to 3.30m above GL

square column 3.31m to 4.30m

square column 4.31m to 5.30m

square column 5.31m to 6.30m

square column 6.31m to 7.30m

square column 7.31m to 8.30m

square column 8.31m to 9.30m

square column 9.31m to 10.30m

square column 10.31m to 11.30m

square column 11.31m to 12.30m

Curved surface - up to 3.30m ht 11.30m to 12.30m

Supplying fabricating and placing in posistion of steel rods (above 16mm dia metre) for reinforcement including cost of steel and binding wire, labour charges etc., complete for RCC works

Painting two coats with approved cement paint over one priming coat of white cement over cement plastered wall surface and ceiling including cleaning preparing the surface and curing etc., complete (using cement paint of colour as approved by the departmental officer) and as directed by the TWAD board officer.

Fabrication, supplying and delivery and fixing of MS ladder wide 45cm made out of 50 x 50 x 6mm MS angle for sides and steps in 16mm MS plan Rods fixed at 30cm centre for 30000 OHT

Providing RCC 1:1, 5:3 ventilator using 20mm HBG stone including cost of all materials, centering, shuttering, strutting, reinforcement placing of concrete, finishing, curing and fixing on position on the roof slab with mosquito proof net arrangement and etc., complete

Providing PVC ventilating arrangements mosuito proof nylon net with 110mm PVC cowl and as directed by the Officers

Supply and fixing of cut stone of size 0.30m x 0.30m x 0.15m in CM 1:3 below inlet pipe for service reservoir as directed by TWAD board officers

Providing manhole cover of size 60cm x 60cm in RCC 1:1 1/2 : 3with suitable reinforcement and 50x 50 x 6m MS angle fixed along edges and as directed by the Officers

Painting TWAD board embalam on the SR with enamal paint as per board specification and as directed by TWAD board officers

Providing pipe connection work for SR rate including supply and laying of pipes, specials and valves etc., complete and as directed by officers

65mm GI pipes for inlet connection

65mm GI pipes for over flow and rain water harvesting pipe

50mm dia GI Pipe for scour pipe

65mm dia GI pipe for delivery pipe

90mm PVC threaded coupler

65mm PVC threaded coupler

65mm dia GI tee

65mm dia GI bend 90

65mm dia GI bend short

65mm dia GI coupling

65mm dia GI union

65mm dia GI Elbow

50mm dia GI union

50mm dia GI Elbow

65mm dia GI tee

65 X 50mm GI reducer

75mm x 63mm PVC reducer

65mm GM gate valve

50mm GM gate valve

63mm dia PVC 4Ksc pipe

Refilling the foundation with excavted earth including consolidation as directed by the TWAD board officers

Labour charges for GI pipe connection to the OHT, for inlet, outlet, overflow and scour arrangements including cutting and therading, earthwork excavation and refilling

Earthwork excavation in all types of strata for laying of pipes with the standard trench with 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 (Page.274)

Supply of unplasticised PVC rigid pipes as per BIS 4985/2000 with ISI marking to site of works (Page 21)

Lowering PVC/DWSC rigid pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste (Page 248)

Refilling the foundation with excavted soil other than sand in layers of not more than 15cm thick, watering, well raming, consolidating , complying with standard specification and as directed by officers

Provision for fencing work

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}

EZHILMARAN V (BID ID -1545163)