Construction of 60000 litre OHT 12.00 m Staging Height at in Nellai Thiruthu at Pallikottai Panchayat

Amount

Earthwork excavation and depositing on bank with an initial lead of 10m and lift of 2m in the following classification of soils as directed by TWAD Board officers.

Cement concrete 1:4:8 (one cement four sand and eight aggregates) using 40mm HBGS for levelling course for foundation including the cost of mixing concrete, ramming, curing etc., complete as directed by TWAD Board officers.

1.5m to 4.5m below GL

Reinforced cement concrete 1:1.5:3 mix using 20mm ISS metal including cost and conveyance of all materials to site and all labour charges for mixing, laying, and curing etc complete for 10 cum.

For items 1.5m to 4.5m below GL

For items 0 to 1.50m below GL

For items 0m to 4.5m above GL &1.00 m Above G.L

For items 4.50m to 7.32m above GL

For items 7.32m to 10.98m above GL

For items 10.98m to 14.64m above GL

For items above 14.64m & up to 18.30m from GL

Supplying and erecting steel centering for sides and soffits I including necessary supports' and shuttering to the required height for RCC items using MS sheets of suitable size of BG.10 stiffened with welded MS angles of size 25mm x 25mm x3mm of boarding

PLANE SURFACES

Below G.L.

ABOVE G.L. to 3.30m

FROM FLOOR 3.30 TO 4.30 M

Square column

0 to 3.30m from floor level

3.30m to 4.30m from floor level

Below G.L.

Ground level to 3.30 m

Supplying, fabricating and placing in position of HSD steel rods for Reinforcement including the cost of steel and binding wire etc., complete and as directed by TWAD Board officers.

Painting two coats with approved cement paint over one coat of priming coat over cement plastered exposed surface of the Reservoir including cleaning, preparing the surface and curing etc., complete and as directed by TWAD Board officers

Providing PVC mould CI Steps for Sump service reservoir etc., complete as per standard specifications and as directed by Engineer-in-charge

Supplying and fixing in position of 0.60 x 0.60m water tight CI manhole frame and cove of approved pattern at the roof slab and as directed. The manhole frame and cover should be of light duty and confirming to IS: 1726-1974

Refilling the foundation with excavated earth including consolidation as directed by the TWAD Board officers. As per item l(a) + l(b) Less item 2,3 & 4A & 4B Total

Supply and Delivery of 90mm 6KSC PVC Pipe including all cost and Conveyance etc Complete

Supply and Delivery of 75mm 4KSC PVC Pipe including all cost and Conveyance etc Complete

Supply and Delivery of 80 Gi Pipe including all cost and Conveyance etc Complete

Supply and Delivery of 65mm 65 Gi Pipe including all cost and Conveyance etc Complete

Earth Work Excavation in all Classes of Soil For Pipeline including all cost and Conveyance etc Complete

Laying and Jointing of PVC Pipe including all cost and Conveyance etc Complete

Laying and Jointing of PVC Pipe including all cost and Conveyance etc Complete

Laying and Jointing of GI Pipe including all cost and Conveyance etc Complete

Laying and Jointing of GI Pipe including all cost and Conveyance etc Complete

Refilling Charges including all cost and Conveyance etc Complete

Supply and fixing of Gate valve 65mm

P VELSAMY (BID ID -1173056)