Construction of 30000 Litres Capacity OHT Tank - 12.00 M Staging at Kalaignar Nagar H/O Ganapathipalayam

Construction of 30000 Litres Capacity OHT Tank - 12.00 M Staging at Kalaignar Nagar H/O Ganapathipalayam

Earth work excavation for foundation and depositing on bank within an initial lead of 10m and an initial lift of 2m for the following classification of soil including shoring, strutting, bailing out water wherever necessary and all other incidental charge

Cement concrete 1:4:8 (One cement, four sand and eight course aggregate of 40mm size hard blue granite broken stone) for levelling course beyond 1.50m depth below G.L. including the cost of mixing, placing the concrete in position, consolidating finishing the ends complete and curing

R.C.C. using M 30 design mix using 20mm HBG stone) for column footing excluding the cost of reinforcement, centering and shuttering but including the cost of mixing, placing, vibrating of concrete curing and finishing etc., complete Below GL upto 1.50 m to 4.50m

0 - 1.50m Below GL

0 - 4.50 m above GL

4.50 m upto 7.32 m above GL

7.32 m upto 10.98 m above GL

10.98 m upto 14.64 m above GL

14.64 m upto 18.30 m above GL

Centering for soffits of RCC members or plane surfaces including shuttering, strutting to centering and providing supports etc complete for the following members using MS sheets of size 90 cm x 60 cm BG 10 gauge stiffened with welded M.S. angles of size Plane surface below GL

0-3.30m above GL

5.30 to 6.30 above GL

8.30m to 9.30m above GL

11.30m to 12.30m above GL

Square Column: 0 to 3.3m ht. above G.L and below GL

Colum above 3.30m to 4.3 ht from GL

Column above 4.30 m upto 5.30 m

Column above 5.30 m upto 6.30 m

Column above 6.30 m upto 7.30 m

Column above 7.30 m upto 8.30 m

Column above 8.30 m upto 9.30 m

Column above 9.30 m upto 10.30 m

Column above 10.30 m upto 11.30 m

Column above 11.30 m upto 11.40 m

Curved Surface 0m to 3.30m height above GL

Supplying, fabricating and placing in position of RTS rods for reinforcement for various members including cost of steel for all RCC works as directed by TWAD Board Officers. The rate to include the cost of binding wire also.

Painting two coats with approved cement paint best quality over the plastered surface including cleaning, preparing the surface, curing etc., complet. The quality, shade/ colour of paint shall be got approved by the Executive Engineer.

Supply and Delivery and fixing of outside MS Ladder of 45cm clear wide made out of 50 mm x50mm x 6mm MS angle for sides and steps in 16 mm MS plain rods fixed at 30cm C/C welded jointed etc ., providing with suitable side supports, clamps and locking arrangements provided with two coats of approved enamel paint over one coat of redoxide paint , for providing access to roof top of OHT of suitable inclined length , including bottom anchorage and transportation and as directed by TWAD Board officers. The rate includes concrete bed block in CC 1:2:4 using 20mm HBGS at top and bottom of suitable size with necessry anchor bolts.

SPECIFICATION : The RCC Ladder should be made up of 2 ribs of size 0,12 m x0,10 m inner width, the concrete should be of M.20, 8 mm RTS rods for stirrups at 30 Cm c/c and 8 mm RTS rods for steps with 4 nos of RTS rods as distribution.

Providing Ventilating arrangements with 50 mm GI pipes with mosquito proof nylon net .

Providing cut stone slab in CM 1:3 of size 0.3 m x 0.3 m x 0.15 m .

Providing manhole cover of size 0.60 x 0.60M in RCC 1:1.5:3 with suitable reinforcement and 50x50x6mm MS angle fixed along edges and as directed by TWAD Board officers

50 mm GI Pipe for scour

65 mm GI Pipe for inlet , Outlet and Overflow

63 mm OD PVC 4 ksc pipe for drainage arrangements

75 mm PVC Threaded Coupler

63 mm PVC Threaded Coupler

65 mm GI elbow

50 mm GI Elbow

65 mm GI Tee

65 mm GI coupling

65 mm Flange set

50 mm Flange set

65 mm GM Gatevalve

50 mm GM Gatevalve

75 mm X 63 mm PVC Reducer

90 mm X 75 mm PVC Reducer

65x50 mm GI Reducer

Nameboard

Photocharges

GST Amount for providing Service to Government Contract Works for the above Construction & Maintenance Works. { GST Amount is the Total GST Amount for overall quoted amount (Both Construction and Maintenance) 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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