Construction of 30000 Lit Capacity OHT Tank (7.50m Staging) at Morepalayam Santhapettai H/O Vattur

Earthwork excavation and depositing on bank with an initial lead of 10m and lift of 2m & foundation SS 20B

First depth of 2m

Second depth of 2 m

Sand filling for foundation with M.sand including cost of sand watering, ramming and consolidation etc complete as directed by TWAD Board officers.

Cement concrete 1:4:8 using 40mm HBGS for levelling course for foundation including the cost of mixing concrete, ramming, curing etc.,

Cement concrete 1:2:4 using 20mm ISS metal including cost and Conveyance of all charges etc., complete

RCC in 1:1.5:3 using graded aggregtes of HBGs excluding cost of reinforcement, centering, shuttering strutting, but including cost of mixing concrete, placing, vibrating with mechanical vibrator, finishing, curing etc., complete

For items 1.5m to 4.5m below GL

For items 0 to 1.50m below GL

For items GL to 4.5m above GL

For items 4.51m to 7.32 m above

For items above 7.32 m & up to 10.98 m

Supplying and erecting steel centering for sides and soffits I including necessary supports complying with standard specifications etc., complete and as directed by TWAD Board officers.

PLANE SURFACES

Below G.L

Curved Surface

Square column

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

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.

Fabrication, supply, delivery and fixing of outside MS ladder of 45cm wide made out of 50x50x6mm MS angle for sides and steps in 16mm MS plain rods fixed at 30cm centre to centre welded, jointed etc., providing with suitable side supports, clamps, and locking arrangements provided with one coat of red oxide paint for providing access to roof top of 10,000 lit.

Supply,delivery and fixing of pipes and specials for OHT connections

50 mm GI Pipe

50 mm dia GI gate valve

Supply and delivery of 63mm PVC Pipe line following pipe including all labour charges etc - KSC

Earth work excavation for laying of 63mm pipe line including all charges etc

Laying and Jointing of 63mm PVC pipe line including all charges etc

Refilling the Trench after laying of 63mm pipe line including all charges etc

Refilling the foundation with excavated earth including consolidation as directed by the TWAD Board officers.

GST Amount for providing Service to Government Contract Works for the above RENEWAL Works. { GST Amount is the Total GST Amount for overall quoted amount above this row in column "BB" for all works in this package} (Refer Clause 13.2 & 13.3 of Section 2 of Instruction to Bidders (ITB) of SBD)

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