Construction of OHT 60000 cubic litre

Amount

Construction of 30000 liter Capacity OHT Tank at Tharuvikulam Village at Tharuvaikulam Panchayat

Earth work excavation and depositing on bank with initial lead 10m and lift of 2.0m in the following classification of soils, bailing out water wherever necessary including providing danger lights etc., and as directed as per specification SS 20B and special specification. in Hard rock Rock requiring blasting as per standard specifications and as directed by the Engineer.

First depth of 2m for column foundation

Second depth of 2m for column foundation

Sand filling for foundation with river sand including consolidation ramming etc. complete as per standard specifications and as directed by the Engineer-incharge

a) for column foundation

Plain Cement concrete 1:4:8 (one cement, four sand and eight course aggregate of 40mm size hard blue granite broken stone) for levelling course for foundation including the cost of mixing, placing the concrete in position, consolidating finishing and curing etc., complete and as directed for works beyond 1.50m and upto 4.50m depth below ground level.

a) for column foundation

Reinforced cement concrete M30 grade using 10mm and 20mm Hard Broken Stone. The rates excluding the cost of supplying, fabricating and placing in opposition of MS / RTS Grills for reinforcement and centering, strutting & shuttering, but including cost of mixing, placing the concrete in position, vibrating, consolidating, finishing and curing the concrete etc., complete and as directed by the Engineer-in-charge. (The rates inclusive of testing the reservoir for the water tightness of the structure)

From G.L upto 4.50m depth

(i) below 1.50m to 4.50m depth from G.L for Footing

Below G.L upto 1.50m depth for column & G.L brace

Above G.L upto 4.50m height for column & brace

Above 4.50m to 7.33m ht., from G.L for column & brace

Above 7.33m to 10.98m ht., from G.L for column & brace

Above 10.99m to 14.64m ht., from G.L for column

Reinforced cement concrete M30 grade using 10mm and 20mm Hard Broken Stone. The rates excluding the cost of supplying, fabricating and placing in opposition of MS / RTS Grills for reinforcement and centering, strutting & shuttering, but including cost of mixing, placing the concrete in position, vibrating, consolidating, finishing and curing the concrete etc., complete and as directed by the Engineer-in-charge. (The rates inclusive of testing the reservoir for the water tightness of the structure)

Above 10.99m to 14.64m ht., from G.L for Floorbeam , Floor slab , Side wall & Haunch

Above 14.64m to 18.30m ht., from G.L for Floorbeam , Floor slab , Side wall & Haunch

Centering for soffits of reinforced cement concrete slabs or plain surface including strutting upto 3m ht., using MS sheet of size 90cm x 60cm and BG. 10 gauge stiffened with welded MS angles of size 25mm x 2mm x 3mm laid over silver oak (country wood) joints of 10cm x 6.5cm spaced at about 90cm c/c and supported by Casurina props of 10cm to 13cm dia. at 75cm c/c complying with standard specification and as directed.

Plain Surface

Upto 3.30m ht., from G.L for Column footing, G.L brace peripheral & I set of Brace above GL

From 3.30m to 4.30m ht., for brace & roof slab bottom

From 5.30m to 6.30m ht., for brace

From 6.30m to 7.30m ht., for brace

From 8.30m ht., to 9.30m ht., for brace

From 9.31m ht., to 10.30m ht., for brace

From 11.30m to 12.30m ht. for floor beam & floor slab bottom (including 1.5m working space)

Centering for square column

upto 3.30m ht.

From 3.30m to 4.30m ht.,

From 4.30m to 5.30m ht.,

From 5.30m to 6.30m ht.,

From 6.30m to 7.30m ht.,

From 7.30m to 8.30m ht.,

From 8.30m ht to 9.30m ht

From 9.30m ht to 10.30m ht

From 10.30m ht to 11.30m ht

From 11.30m ht to 12.30m ht

Centering for curved surface

From 11.30 to 12.30m ht from floor level for side wall

From 0 to 3.30m ht from floor level for side wall

From 3.30m ht to 4.30m ht

Supplying, fabricating and placing in position of RTS grills for reinforcement for various members including cost of steel for all RCC works etc., complete as per standard specifications and as directed by Engineer. The rate to include the cost of binding wire also.

Providng and fixing of RCC inner access ladder in RCC 1:2:4 (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., to required height and clear width of 45cm consisting of two Nos. of vertical post of 10cm× 15cm and step slab of 25mm × 25mm etc., complete and as directed by officers.

Providng manhole cover of size 0.60 x 0.60M in RCC inner 1:1.5:3 with suitable reinforcement and 50x50x6mm MS angle fixed along edges and as directed by officers.

65MM dia GIPipes Inlet Connenction

65MM GI Pipes for Over Flow and Rain Water Harvesting

50MM dia GI Pipes For Socur Pipe

50MM dia GI Pipe Delivery Pipe

65MM dia GI Tee

65mm dia GI Bend 90

65mm dia GI Bend Short

65MM dia GI Coupler

65mm dia GI Union

65mm dia GI Elbow

50mm dia GI Union

50mm dia GI Elbow

65x50mm GI reducer

65mm dia GM Gate Valve

50mm dia GM Gate Valve

Labour Charges For GI Pipe Connection to the oht for inlet, Outlet, Overflow and Socur arrangements including Cutiing and therading etc…

Provision for MS Ladder and Hand rails for 60000 litres - 12m Staging Height Service Reservoirs

Extension of Pipe Line

Supply & Delivery of following pipes for pumping main system

63mm PVC Pipe 4 KSC

50mm GI Pipe

50mm GI Pipe Elbow

63mm PVC MTA

63mm PVC Tee

63mm PVC Bend

63mm PVC Bend

63x50mm PVC Reducer

Earth work excavation and depositing on bank with initial lead of 10M and lift of 2.00m in Hard stiff clay, stiff Blackcotton soil , Hard red earth , shales , Murrams and earth mixed with small size boulders etc as per SS 20B as per TWAD Schedule of Rate.

Laying of 63mm PVC pipe

Laying of50mm GI Pipe

Refilling with excavated soil complying with standard specification in layers of 15 cm thick well rammed and consolidated after the pipes and specials are laid and tested.

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}

Eswaran (BID ID -1076830)