Construction of 60000 Litres Capacity OHT Staging Height of 12m at Alathur Village and Panchayat

Amount

Construction of 60000 Litres Capacity OHT Staging Height of 12m @ Alathur Village and Panchayat

Earth work excavation in all soils such as red earth ,hard stiff clay soil, stiff black cotton soil, hard redearth,shales, murrams, gravel,hard rock not requiring blasting ete complete.,SS 20 B

Depth

Sand filling with clear M sand including cost of sand watering, ramming and consolidation etc. complete as directed by TWAD Board officers

Supplying and filling of conveyed earth with a lead of 3.00 KM for basement filling

Cement concrete 1:4:8 (One cement four sand and eight aggregates) using 40mm HBGS for leveling course including the cost of mixing concrete, ramming, curing etc. complete as directed by TWAD Board officers (Beyond 1.50 m to 4.50 m)

RCC M30 using 20mm 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 TWAD Board officers

For items 1.5m to 4.5m below GL

Items 0 to 1.5m below GL

Above GL & Upto 4.5m

Above 4.51m & upto 7.32m from GL

Above 7.32m & upto 10.98m from GL

Above 10.98m & upto 14.64m from GL

Above 14.64m & upto 18.30m from GL

Supplying and erecting steel centering for sides and soffits including necessary supports and shuttering to the required height for RCC items using MS sheets or suitable size of BG 10 stiffened with welded MS angles of size 25mm x 25mm x 3mm of boarding, laid over Silver Oak joists of size 10cm X 6.5cm space at 10cm c/c and supported by Casurino Props 10cm - 13cm spaced at 75cm c/c etc., complete and as directed by TWAD Board Officers.

Below G.L. items

0-3.30m Below G.L.

5.30 m to 6.30mabove G.L.

8.30 m to 9.30mabove G.L.

11.30 m to 12.30mabove G.L.(Plane)

Curved surface

Curved surface

Square Column:

Below GL

0 to 3.30m above G.L.

3.31 to 4.30m above G.L.

4.31 to 5.30m above G.L.

5.31 to 6.30m above G.L.

6.31 to 7.30m above G.L.

7.31 to 8.30m above G.L.

8.31 to 9.30m above G.L.

9.31 to 10.30m above G.L.

10.31 to11.30m above G.L.

15.24to 15.40 m above GL

Painting two coats with approved cement paint over the cement plastered 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 TWAD Board officers.

Fabrication, supply, delivery and fixing of outside MS ladder for 60000 lit with 12m staging height service reservoir (As per annexure)with one coat of redoxide paint, loading, transit, unloading, insurance charges, taxes etc., complete and as directed by TWAD Board 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., complete and as directed by TWAD Board Officers.

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

Supply,delivery and fixing of pipes and specials for OHT connections

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

Labour charges for SR Pipe connection

Provision for Photo charges

Provision for Name Board

C.SIVAKUMAR