Construction of 30000 liter Capacity OHT 12m Staging Height in Gandhigramam Village at Kallanai panchayat under JJM MVS 2022 2023 P 03

Amount

Work Name: Construction of 30000 litre Capacity OHT - 12.00 Staging Height in Gandhigramam Village at Kallanai panchayat under JJM MVS 2022 2023 P 03

Earthwork excavation and depositing on bank with an initial lead of 10 m and lift of 2m in Hard stiff clay blcak cotton, hard red earth, shales, murram, ordinary gravel, stoney earth and earth mixed with small size boulders for foundation SS 20B as directed by TWAD Board officers.

Ist Depth

IInd Depth

Refilling of Excavated earth in layer of not more than 15 cm thick watering well ramming consolidating complying with standard specification

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)

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.

Plane Surface

Below G.L. items

0 to 3.30m above 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

Square columns

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.

11.31 to12.30m above G.L.

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.

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

0 m to 1.50 m 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

Painting two coats with approved cement paint over the cement plastered surface.

Fabrication, supply, delivery and fixing of outside MS ladder for 30000 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

Provision for pipe connection arrangements for inlet, outlet scour and overflow etc. including cost of pipes, specials, valve, labour charge for lifting, aligning, cutting, threading, fixing and painting of GI pipes with two coats of approved quality enamel paint etc., complete and as directed by TWAD Board officers

65 mm G.I. Pipe

65 mm G.I. Coupling

50 mm dia GI Pipe

50 mm dia GI Coupling

Labour charges for Laying of GI pipe

Provision for Name board charges

PETHANASAMY J