Construction of 30000Litres Capacity OHT Tank of 12m Staging height at Malayeetanpatti Village in T.Soorakudi Panchayat

Amount

Construction of 30000Litres Capacity OHT Tank of 12m Staging height at Malayeetanpatti Village in T.Soorakudi Panchayat

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 0.35m

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

From 10.98m upto 14.64m ht above GL

column 14.64m to 18.63m ht above G.L

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.

Square Column Below GL and upto 3.30m above GL

Ground level to 3.30 m

Columns above 4.30m upto 5.30m ht from GL

Columns above 5.30m upto 6.30m ht from GL

Columns above 6.30m upto 7.30m ht from GL

From 7.30m to 8.30m ht

Columns above 8.30m upto 9.30m ht from GL

Columns above 9.30m upto 10.30m ht from GL

Columns above 10.30m upto 10.90m ht from GL

From 11.30m to 12.30m ht above GL

Plane Surface

Below G.L and upto 3.30m ht above GL

From 3.30m to 4.30m ht above GL

From 5.30m . to 6.30m

From 8.31m . to 9.30m

From 11.30m to 12.30m ht above GL

Curved Surface

11.30m to 12.30m Height

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 ready mixed Plastic Emulsion paint inlcuding priming coat including cost and conveyance of all materials to site and all labour charges etc complete

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.

For Inlet and Outlet Arrangements

65mm GI pipes for inlet connection

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

50mm GI pipes for scour pipe

65mm GI pipe for delivery pipe

90mm PVC Threaded coupler

63mm PVC Threaded coupler

65mm dia GI Tee

65mm dia GI bend 90

65mm dia GI bend (short)

65mm GI coupler

65mm GI union

65mm GI Elbow

50mm GI union

50mm GI Elbow

65mm GI Tee

65x50mm GI reducer

75mmx63mm PVC reducer

65mm GM gate valve

50mm GM gate valve

63 mm PVC 4Ksc Pipe

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

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

Providing and fixing of RCC inner access ladder in RCC 1:1:5:3 (one cement, one and half sand and three aggregates) using 20mm HBG stone for OHT including cost of reinforcement, placing grill in position, centering shuttering charges, mixing concrete curing etc., to required height and clear width of 45cm consisting of two Nos. of vertical post of 10cm x 15cm and step slab of 25mm x25mm etc., complete and as directed by Board officers.

Providing Distribution Main Line

Earth work 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/ AE10/ P & D/ 2001/ dt.22.11.2001 TWAD SOR 2024-25 Vol II Pg No. 191

Supply of unplasticised PVC rigid pipes as per BIS 4985/2000 with ISI Marking to site of works TWAD PWD 2024-25 Vol I Pg No. 146

63mm PVC Pipe

Conveying the PVC Pipes and specials to trench lowering into the trenches, laying to proper grade and alignment, Jointing with PVC coupler and specials fixing with Solvent cement paste and testing to the required pressure as per IS including conveyance etc TWAD SOR 2024-25 Vol II Pg No. 171

63mm PVC OD Pipe

Refilling with excavated soil complying with standard specification in layers of 15 cm thick well rammed and consolidated after pipes and specials are laid and tested. TWAD SOR 2024-25 Vol II Pg No. 191

63mm PVC Bend

63mm PVC Tee

Providing Platform

Earthwork excavation in all classes of soil except hard rock requiring blasting with initial lead and lift etc., complete as per SS 20B.

Cement Concrete 1:4:8 mix using 40mm ISS HBG metal including cost of conveyance of all materials and all labour charges etc., complete for foundation

Brickwork in c.m 1:5 using country bricks including cost and supply of all meterials etc complete.

Plastering with Cement Mortar 1:5 (One cement and Five M.Sand), 12mm thick in all floors including curing etc. complete complying with standard specification and as directed by the departmental officers.

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel grills for all RCC works as per design given including cost of steel and G.I. binding wire in all floors etc. complete complying with standard specification. (Contractor has to make his own arrangements for the supply of steel and binding wire)

Cement Concrete 1:2:4 mix using 20mm ISS HBG metal including cost of conveyance of all materials and all labour charges etc., complete for foundation

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}

C VENKATACHALAM (BID ID -1103595)