CONSTRUCTION OF 30,000 LITRES CAPACITY OVER HEAD TANK - 12.00m STAGING HEIGHTat Nayakakarkulam village in A.Valayapatti Panchayat in Melur Block under JJM 2022-23

Amount

Construction of OHT

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

First depth of 2m

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

Cement concrete 1:4:8 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 4.50m & 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)

Square columns

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.

11.30to 11.40 m above GL

Curved Surface - upto 3.30m ht

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 .

Providing and fixing of RCC inner access ladder in M30 .

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 1x1 0.60 X 0.60M in RCC 1: 1.5:3.

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

Delivery Line

75 mm PVC Threaded Coupler

63 mm PVC Threaded Coupler

65 mm GI elbow

50 mm GI Elbow

65x65x65 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

63mm dia PVC Pipe

63mm dia PVC Elbow

63mm dia PVC tee

63mm dia End

Earth work excavation in all kinds of soil

Laying of PVc Pipe

Laying of GI Pipe

RCC Slab for writing board

Refilling thefoundation with excavated earth .

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}

R RAMALINGAM