Construction of 30000 Litres Capacity OHT to Visallur Panchayat

1.Construction of overhead water tank(OHT) with a capacity of 30000 lit @ Senthamangalam in Visallur Panchayat sembanarkoil Block

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)

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.

Cement Concrete 1:1-1/2:3 (One Cement, One and a half crushed stone M.Sand and Three hard broken stone jelly) using 20 mm gauge hard broken granite stone jelly for all RCC items of works excluding cost of reinforcement grill and fabricating charges centering and shuttering but including laying, vibrating with mechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the RCC floor / roof slabs wherever necessary and bearing surfaces of walls, beams etc. shall be finished smooth with Cement Mortar 1:3 (One Cement and Three M.Sand) and kraft paper laid over it without claiming extra, etc., complete complying with standard specification and as directed by the departmental officers

For items 1.5m to 4.5m below GL

For items 0 to 1.20m below GL

For items 0m to 4.5m above GL

For items 4.51m to 7.30 m above

For items above 7.32 m & up to 10.98 m from GL

For items above 10.98 m & up to 14.64 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

PLANE SURFACES

Below GL For column footing and GL Brace

GL 0 to 3.30m - For Brace I

5.3. to 6.30 m - For Brace II

8.3. to 9.30 m - For Brace III

9.3. to 10.30 m - For Brace IV

SQUARE COLUMN

For column Below GL

For column GL 0 to 2.50 M

For column ( 2.80 m to 5.30m ).

For Column (5.60 m to 8.10 m )

For Column (8.40 m to 10.90 m )

CURVED SURFACE

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 and fixing of RCC inner access ladder in RCC 1:1.5:3 (one cement, one and half sane! and three aggregates) using 20mm HBG stone for OHT including cost of reinforcement, placing grill in position, centering shuttering charges, mixing concrete cur

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 & Delivery of following Pipes and specials for OHT connection

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,

Provision for Name board

Provision for Photos

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}