Construction of OHT (30000 litre Capacity) at New Colony in Edaiyur Panchayat

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 Deparment officers. Hard stiff clay, block cotton, hard red earth shales, murram, ordinary gravel, stoney eart First depth of 2m

2 nd Depth

Sand filling for foundation with clear river sand including cost of sand watering, ramming and consolidation etc complete as directed by Department 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 Department officers.

RCC in M30 GRADE 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 as directed by Department For footing below G.L. ( 1,50 to 4,50 below GL )

For Column and Brace upto G.L ( 0 to1,50 below GL )

For column and brace I 0 to 4.5m from GL

For column and brace II 4.5m to 7.32m from GL

For column and brace III 7.32 to 10.98m from GL

For column beam floor slab side wall from 10.98m to 14.64 m from GL

For side wall, hance and Roof slab from 14.64 m to 18.30 m 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 stiffeneq with welded MS angles of size 25mm x 25mm x3mm of boarding For column footing and GL Brace

For Brace I 0.0. to 3.30 m

For Brace II 5.3. to 6.30 m

For Brace II 6.3. to 7.30 m

For Brace III 8.3. to 9.30 m

For Brace III 9.30. to 10.30 m

For Brace III 3.30. to 4.30 m

Roof slab 11.30 to 12.30 m

SQUARE COLUMN For column GL

For column GL 0 to 3.30M

For column ( 3.31m to 4.30m ).

For column ( 4.31m to 5.30m).

For Column (5.31m to 6.30m )

For Column (6.31m to 7.30m )

For Column (7.31m to 8.30m )

For Column (8.31m to 9.30m )

For Column (9.31m to 10.30m )

For Column (10.31m to 11.30m )

For Column (11.31m to 11.45m )

For Side Wall, & Floor slab sides and Haunch

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 Deparment 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 Deparment officers

Providing MS Ladder & Hand rails arrangements in 60,000 Lits. Capacity OHT With 12.00m Staging Height.

Providing manhole cover of size 1x1 0.75 X 0.75 M in RCC 1: 1.5:3 with suitable reinforcement and 5O x 5O x 6mm MS angle fixed along edges and as directed by Department officers.

Providing GI ventilating arrangements mosquito proof nylon net with 50 mm GI pipes and cowl and as directed by Deparment officers

Supply of GI Pipes for OHT Connections 65 mm dia

Supply and Delivery of G.M.Gate valve 65mm size

Supply & Delivery of 65 mm G.I Tee

Supply & Delivery of 65 mm G.I Coupling

Supply & Delivery of 65 mm G.I bend

Supply & Delivery of 90mm T.Coupler PVC

Supply & Delivery of 80mm x 65mm G.I.Reducer

Supply & Delivery of 65mm G.I.flange set

Labour charges for fixing of G.I. Pipes & Specials for OHT pipe connections as directed by the Deparment Officers,

Refilling of the foundation with execavated soil in layers of thick including ramming watering etc., complete as directed by the Department officers

Earthwork excavation and depositing on bank with an intial lesd & lift in hard stiff clay, gravelly soil, shales, murrams earth mixed soil as per SS 20 B for foundation

Sand filling with good river sand including cost & conveyance of all materials to site and all labour charges for curing, compacting etc., complete.

Cement concrete in 1:4:8 mix using 40 mm metal used for foundation including cost & conveyance of all materials to site and all labour charges for curing, compacting etc., complete.

Cement concrete in 1:2:4 mix using 20 mm metal used for Wearing Coat including cost & conveyance of all materials to site and all labour charges for curing, compacting etc., complete.

Brick Work in Cement Mortar 1:5 using Country Bricks including cost & conveyance of all materials to site and all labour charges for curing, compacting etc., complete.

Plastering with cement mortar 1:4mix to 12mm thick including cost and conveyance of all materials to site and all labour charges etc complete.

Filling the stones in soakpit incluiding the cost and conveyance of materials 40mm

Filling the stones in soakpit incluiding the cost and conveyance of materials 20mm

Rcc Precast rings

Ring and RCC Cover Slab

Provision for Name board

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