Construction of 60000Ltr OHT(12M) at Palapatty west H/O Sellappampatti under the Scheme Mines and Minerals / 2025-2026 at Puduchatram Panchayat union of Namakkal District

Construction of 60000Ltr OHT(12M) at Palapatty west H/O Sellappampatti under the Scheme Mines and Minerals / 2025-2026 at Puduchatram Panchayat union of Namakkal District

Earthwork excavation and dwposition on bank with an initial lead of 10m and lift of 2m in the following classification of soils as directed by Board officers.Hard stiff clay, block cotton, hard red earth, shales, murram, ordinary gravel, stoney earth and earth mixed with small size boulders for foundation SS 20B

First depth of 2m

Second depth of 0.25m

Sand filling with clear river sand including watering, consolidation etc.,complete for Foundation as directed by Bdo officers

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

RCC 1:11/2:3 using 20mm HBG Metal excluding cost of reinforcement, centering, shuttering strutting, but including cost of mixing concrete, placing, vibrating with mechanical vibrator, finishing

Below 1.50m from GL

Upto GL

Above GL and Upto 4.50m Height

Above 4.50m and upto 7.32m Ht from GL

Above 7.32m and upto 10.98m Ht from GL

Above 10.98m and upto 14.64m ht form GL

Above 14.64m and upto 18.30m ht form GL

Provinding steel centering using MS plates of size 90cmx60cm 13 grade to 10 grade thick welded with 25mmx25mmx3mm MS angles supported with country wood stantling of size 10cmx6.5cm at 90 cm C/C strutting with casurina props of 100m to 13cm dia as directed by Board Officers.

Columns below GL and above GL upto 3.30m ht ( SQARE Surface )

Columns above 3.30m upto 4.30m ht from GL ( SQARE Surface )

Columns above 4.30m upto 5.30m ht from GL ( SQARE Surface )

Columns above 5.30m upto 6.30m ht from GL ( SQARE Surface )

Columns above 6.30m upto 7.30m ht from GL ( SQARE Surface )

Columns above 7.30m upto 8.30m ht from GL ( SQARE Surface )

Columns above 8.30m upto 9.30m ht from GL ( SQARE Surface )

Columns above 9.30m upto 10.30m ht from GL ( SQARE Surface )

Columns above 10.30m upto 11.30m ht from GL ( SQARE Surface )

Columns above 11.30m upto 11.40m ht from GL ( SQARE Surface )

Below G.L and upto 3.30m ht above GL ( Plane Surface )

From 5.30m to 6.30m htabove GL ( Plane Surface )

From 8.30m to 9.30m ht above GL ( Plane Surface )

From 11.30m to 12.30m ht above GL ( Plane Surface )

Upto 3.30m height (From Floor Slab) ( Curved Surface )

From 3.30m to 4.30m Height (From Floor Slab) ( Curved Surface )

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 Board officers.

Painting two coats using approved quality Cement Paint over one cost of priming coat exposed surface of the Reservoir including cleaning, preparing the surface and curing etc., complete and as directed by Board officers.

Supplying and Fixing in Position of Cut Stone set in Cm 1:3 using well dressed cut stone supporting inlet pipe inside the tank and as directed by the officers

Provision for pipe connection arrangements for inlet outlet, scour and overflow etc., includeing cost of pipes, specials, valve, labour charge for lifting, aligning, cutting, threading, fixing and painting of GI pipes with two coats of approved quality enamel paint etc., complete as detailed below.

80mm GI Pipes ( For Inlet Arrangements )

80mm GI Coupling ( For Inlet Arrangements )

80mm GI Bend ( For Inlet Arrangements )

80mm GI Flange Set ( For Inlet Arrangements )

90mm PVC Threaded Coupler ( For Inlet Arrangements )

50mm GI Pipes ( For Inlet Arrangements )

50mm GI Coupling ( For Inlet Arrangements )

50mm GI Flange Set ( For Inlet Arrangements )

50mm GI Pipes ( For Outlet Arrangements )

50mm GI Pipes ( For Outlet Arrangements )

50mm GI Coupling ( For Outlet Arrangements )

50mm GI Bend ( For Outlet Arrangements )

50mm GI Flange Set ( For Outlet Arrangements )

50mm GM Gate Valve ( For Outlet Arrangements )

63mm PVC Threaded Coupler ( For Outlet Arrangements )

90mm x 63mm PVC Reducer ( For Outlet Arrangements )

For GI Pipe Line Arrangements and Fixing Charges

Fabrication,supply, delivery and fixing of outside MS ladder of 45cm wide made out of 50x50x6m 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. capacity OHT of suitable inclined length, including bottom anchorage and 6transportation and as directed by Board officers.

Supply and delivery and fixing position of CI man hole cover and frame of Size 60x60cm on roof slab and as directed by the officers The manhole frame and cover should be of light duty and conforming to ISI 1726/1974

Supply and Delivery and Fixing in Position of 150mm dia AC Ventilators on the roof Slab and as directed by the officers

Refilling the Foundation for Service reservoir with excavated earth (other than sand) in layers of 15cm thick well rammed,watering and consoildating etc Complete complying with standard Specification as directed by the officers

Provission for PVC & GI Specials Charges Etc

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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