Construction of 60000 litre Capacity OHT at Senthiyambalam Village in Servaikaranmadam Panchayat

Earth work excavation & depositing on bank with an initial lead of 10 metre & initial lift of 2 metre in Hard shift clay, stiff block cotton, hard red earth shales, murrum, gravel, stoney earth, and earth mixed with small size boulders and hard gravelly soil (SS 20B) for foundation including shoring, strutting, baling out water providing danger light wherever necessary depositing the surplus earth on bank and other incedential charges etc., complete and as directed by TWAD board Officers

First depth of 2m From 0 to 2 m below GL

Second depth of 1m

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

Plain Cement Concrete 1:4:8 (one cement, four sand and eight hard granite broken stone of 40mm size ISS gauge) for foundation and footing including mixing, placing, ramming ,finishing curing etc. complete in accordance with standard specification and as directed by the TWAD Board Officers.

Reinforced Cement Concrete Mix M30 grade using 10mm & 20mm Hard blue granite Broken stone (machine crushed) excluding the cost of RTS rods for reinforcement and centering, strutting, shuttering but including cost of all materials mixing, laying, Vibrating the concrete with mechanical vibrators, ramming, consolidating, finishing and curing etc., Complete and as directed by the TWAD Board Officers.

For items 1.5m to 4.5m below GL

For items 0 to 1.50m below GL

For items 0m to 4.5m above GL &1.00 m Above G.L

For items 4.50m to 7.32m above GL

For items 7.32m to 10.98m above GL

For items 10.98m to 14.64m above GL

For items above 14.64m & up to 18.30m from GL

Supply and erection of steel centering, shuttering for soffits and sides including necessary supports and strutting for all RCC works using MS sheets of suitable size of BG10 stiffened with MS angle of size 25 X 25 X 3 mm for boarding laid over I type MS Truss of size 25 X 25 X 3mm about 90cm c/c and supported by 40mm GI pipes (Medium) spaced at 75cm c/c etc complete and as directed by the TWAD Board Officers.

PLANE SURFACES

Below G.L.

ABOVE G.L. to 3.30m

Curved Surface

Square column

Square Column Below GL and upto 3.30m above GL

3.31m to 4.30m ht

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 officers.

Supplying, cutting, bending, tying, fabricating and placing in position of steel rods for all RCC works including cost of steel and binding wire etc.( The steel should conform to the relevant ISspecification and supplied with test certificate Fe. 415 grade as per IS specification No.1786/1985 and as amended from time to time) delivery at site of work including loading, freight, unloading, stacking, transit insurance charges, taxes etc. complete.and as directed by the 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

Pipe connection arrangements for inlet,outlet,scour and overflow etc. including cost of pipes,specials,valve,labour charges for lifting, aligning, cutting, threading ,fixing and painting of GI pipes with two coats of approved quality enamal paint etc. complete as detailed below.

65mm GI Pipe

65mm GI pipes for over flow & rain water harvesting pipe

50mm GI pipes for scour pipe

65mm GI pipe for delivery pipe

65mm dia GI Tee

65mm dia GI bend 90

65mm GI coupler

65mm GI union

65mm GI Elbow

50mm GI union

50mm GI Elbow

75mmx63mm PVC reducer

65mm GM gate valve

50mm GM gate valve

Refilling the foundation with excavated earth including consolidation as directed by the TWAD Board officers

Provision for pipe line arrangements

Supply and delivery of 63mm dia 4 Ksc PVC pipe including cost and conveyance of all materials to site and fixing charges etc,. Complete

Earth work Excavation in all clauses of soils except hard requiring blasting including all labour charges for leveling and sectioning etc,.complete

laying the pipes and specials after excavated earth including cost of all other charges etc.,. Complete

Refilling the pipe line trenches with excavated earth after the pipes and specials are laid

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}

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