Construction of 60000 Lit OHT Tank 12m Stage at Krishnapuram Panchayat, Polur Block, Tiruvannamalai District

Construction of 600000 Liters Over Head Tank,

Earth work excavation for foundation 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.,I st Depth

Earth work excavation for foundation 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.,II nd Depth

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

Column Footing

For items 0m to 4.5m above GL

For items 0 to 1.50m below GL

For items 0m to 4.5m above GL

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 compl

PLANE SURFACES

Below GL

ABOVE G.L. to 3.30m

D urved surface

Square column

3.31m to 4.30m ht

4.30m to 5.30m ht

5.30m to 6.30m ht

6.30m to 7.30m ht

8.30m to 9.30m ht

9.30m to 10.30m ht

10.30m to 11.30m ht

11.30m to 12.30m 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.

Supply delivery and fixing of staircase with M30 grade concrete for landings, MS ladder of 0.45m wide using 50x50x5mm MS angles for sides and steps at 0.30m c/c, with GI pipe handrails using 32mm GI pipes for railings and verical support at 0.45m C/c, MS flats (Size 40mm x 5mm ) for horizontal ties at 0.3m c/c and at bottom with Anchor fastener bolts of size 12mm x 75mm including cost of materials labour for fabrication of handrails fixing, painting etc., complete.

Providing and fixing of RCC inner access ladder in RCC 1:11/2 :3 (one cement,one and half sand and three aggregate) using 20mm HBG stone for OHT including cost of reinforcement, placing grill in position, centring,shuttering charges, mixing concrete,curing etc. to required height and clear width of 45 cm consisting of 2 nos. of vertical post of 10 cm x 15 cm and step slab of 25mm x 25mm etc.complete and as directed by TWAD Board Officers.

Providing 110mm PVC vent cowl arrangements mosquito proof nylon net and as directed by TWAD Board officers

'Supply and fixing of cut stone of size 0.30m x 0.30m x 0.15m in CM 1;3(one cement and three sand) below inlet pipe for Service Reservoir 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

65mm GI pipes

65mm GI Pipes for over flow & Rain water harvesting pipe

80mm GI pipes for scour pipe

80mm GI pipe for delivery pipe

90mm pvc Threaded coupler

63mm pvc threaded coupler

65mm dia GI tee

65mm dia gi bend

65mm GI coupler

65mm GI union

65mm GI elbow

80mm GI union

80mm Gi elbow

65mm gi tee

65x50mm GI reducer

65mm x63mm PVC reducer

65mm GM gate valve

65mm GM gate valve

63mm PVC 6ksc pipe

Earth work excavation for foundation 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.,I st Depth

Towards laying and jointing of pvc pipes with including labour charges etc,

90mm 6ksc pipe

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

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

Labour charges for GI pipe connection to the OHT, for inlet, outlet, overflow and scour arrangements including cutting and threading, earth work excavation & refilling.

Providng Hand rail over the Roof slab by using 32mm GI pipe with 40mm x 6mm MS flat and fixed with 12mm dia fastner bolt 75mm long and as directed by TWAD bd officers

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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