Construction of 30000 litre capacity OHT with 12m Staging Height at Thatchampatti Village in Kodukkampatti Panchayat

First depth of 2m

Second Depth 2m to 3m

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)

Refilling in foundation and basement with excavated earth in layer of not more than 15cm thick

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

Below 1.5m from GL

Items 0 to 1.5m below GL

0m to 4.50m above GL

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.

5.31 m to 6.30mabove G.L.

8.31 m to 9.30mabove G.L.

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

Square columns

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.

11.30to 11.40 m above GL

Curved Surface - upto 3.30m ht

Painting two coats with approved Plastic Emulsion Paint of First quality of approved colour over a Priming Coat

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 Hand rails over the Roof slab by using 32 mm GI Pipe with 40mm x 6mm MS Flat and fixied with 12mm dia Fastner Bolt 75mm long and as directed by TWAD Bd officers

Providing and fixing of RCC inner access ladder in M30 .

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

65 mm GI Pipe

65mm Coupling

65mm Elbow

65mm Gate valve

Laying and joining of GI Pipe including cost and conveyence etc., complete

Earth work excavation of all classes of Soil including cost and conveyence etc., complete (0.60x0.90)

63 mm dia PVC Pipe

63 mm dia PVC Elbow

50mm dia GI Pipe

50mm dia GI Coupling

50mm dia GI Elbow

50mm dia GI Union

50mm dia GI Gate Valve

50mm dia GI Flange Set

50mm dia GI Hex Nipple

Laying and joining of GI Pipe including cost and conveyence etc., complete

Laying and joining of PVC Pipe including cost and conveyence etc., complete (63mm PVC)

Refilling of excavated earth including labour charges etc., complete (0.60x0.90)

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}