Construction of OHT (Service reservoir 12.00m staging 100000 Lr ) at Sendurai village in Sendurai Panchayat in Sendurai block of Ariyalur district under JJM-MVS (Saving Fund) 2023-24

Amount

Earthwork excavation in hard stiff clay back cotton hard red earth, shales, murams, ordinary gravel stone earth mixed with 50% fair sized bounders etc., with an initial lead of 10m and lift of 2m etc (First depth of 2m from 0m to 2m below GL)

Earthwork excavation in hard stiff clay back cotton hard red earth, shales, murams, ordinary gravel stone earth mixed with 50% fair sized bounders etc., with an initial lead of 10m and lift of 2m etc (Second depth of 2m from 2m to 4m below GL)

Supplying and filling in foundation and basement with filling sand in layers not more than 15cm thick well rammed, watered and compacted complete complying with standard specification

Cement concrete 1:4:8 mix (one cement four sand and eight hard broken stone) using 40mm ISS HBG metal for foundation including cost and conveyance of all materials to site and all labour charges for mixing, laying and curing, etc., complete as per standard specification

RCC M30 using 20 mm machine crushed HBG stone for the following mambers excluding the cost of reinforcement and fabricating, centering, shuttering and strutting charges but including the cost of all materials, mixing, placing in position, lifting, vibrating, finishing and curing etc., complete

Below 1.50m to 4.50m depth from G.L

Above GL up to 4.50 ht

Column 4.50m to 7.32m height above GL

7.32 m to 10.98 m above GL

10.98 m to 14.64 m above GL

14.64 m to 18.30 m above GL

Supplying and erecting Centering and Shuttering for soffits including necessary supports and strutting up to 3 M height for plane surfaces as detailed below in all floors with all cross bracings using Mild Steel sheets of size 90 x 60 cm and 10 BG stiffened with welded Mild Steel angle of size 25mm x 25mm x 3 mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at about 90 cm centre to centre and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75 cm centre to centre etc. complete complying with the standard specification.

Plain surface from GI up to 3.30m

For 3.30m to 4.30m

For 7.30m to 8.30m above GL

For 11.30m to 12.30m above GL

Curved surface - up to 3.30m from floor level

Curved surface - From 11.30m to 12.30m from floor level

Square column up to 3.30m

square column 3.31m to 4.30m

square column 4.31m to 5.30m

square column 5.31m to 6.30m

square column 6.31m to 7.30m

square column 7.31m to 8.30m

square column 8.31m to 9.30m

square column 9.31m to 10.30m

square column 10.31m to 11.30m

square column 11.31m to 12.30m

Circular column - up to 3.30m

from 3.30m to 4.30m

from 4.30m to 5.30m

from 5.30m to 6.30m

from 6.30m to 7.30m

from 7.30m to 8.30m

from 8.30m to 9.30m

from 9.30m to 10.30m

from 10.30m to 11.30m

from 11.30m to 12.30m

Supplying fabricating and placing in posistion of steel rods (above 16mm dia metre) for reinforcement including cost of steel and binding wire, labour charges etc., complete for RCC works

Painting two coats with approved cement paint over one priming coat of white cement over cement plastered wall surface and ceiling including cleaning preparing the surface and curing etc., complete (using cement paint of colour as approved by the departmental officer) and as directed by the TWAD board officer.

Construction of RCC sprial stair case in RCC 1:1.5:3 (M20using 20mm HBGS) of 1.80m dia of required height for approach to the roof of service reservoir with handrails as per the type design.

Providing RCC jolly works as hand rails at the top of roof slab about 0.60m height

Supply and fixing in position of enamelled water level indicator with all accessories of approved pattern and design as TWAD board officers

Providing CI manhole cover of size 60cm x 60cm in RCC 1:1 1/2 : 3with suitable reinforcement and 50x 50 x 6m MS angle fixed along edges and as directed by the Officers

Supply and fixing of cut stone of size 0.30m x 0.30m x 0.15m in CM 1:3 below inlet pipe for service reservoir as directed by TWAD board officers

Providing and fixing of RCC 1:2:4 (One cement two sand and four course aggregate of 20mm size hard blue granite broken stone) for ventilators of approved design

Providing RCC 1:1, 5:3 ventilator using 20mm HBG inside access ladder of approved design including cost of all materials, centering, shuttering, strutting, reinforcement placing of concrete, finishing, curing and fixing on position on the roof slab with mosquito proof net arrangement and etc., complete

Construction of masonry valve pits as per type design

125mm sluice valve pit

100mm sluice valve pit

80mm scour valve pit

Inlet connection - 100mm GI pipes

100mm GI 90 Bend

100mm GM gate valve

Outlet connection - 100mm GI pipes

100mm GI 90 Bend

100mm GM gate valve

Scour - 100mm GI pipes

100mm GI 90 Bend

100mm GM gate valve

Over flow - 100mm GI pipes

100mm GI 90 Bend

100mm GM gate valve

Supply and delivery of CI surface box as per specification

Provision for pipeline

Labour charges for OHT connection for inlet, outlet, oerflow and byepass including cost of bolts, nuts and washer excluding cost of CI pipes and specials

Provision for lightening arrester

Conducting SBC test

Levelling the site

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}

EZHILMARAN V