CONSTRUCTION OF 30000 LITER CAPACITY OHT TANK AND EXTENSION OF PIPELINE AT KEELAVILATHIKULAM VILLAGE AND PANCHAYAT IN VILATHIKULAM PANCHAYAT UNION OF THOOTHUKUDI DISTRICT UNDER 15th CFC Savings Fund 2025-26 BLOCK PANCHAYAT 2025-26

Construction of 30000 liter Capacity OHT Tank and Extension of Pipeline at Keelavilathikulam Village and 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 4.51m to 7.32m 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

Above 10.99m to 14.64m 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

Below GL

0m-3.30 Above GL

From 5.31m to 6.30m ht., for brace

From 8.31m ht., to 9.30m ht., for brace

From 10.31m ht., to 11.30m ht., for brace

From 11.31m to 12.30m ht. for floor beam & floor slab bottom (including 1.5m working space)

Centering for square column

Below GL

upto 3.30m ht.

From 3.31m to 4.30m ht.,

From 4.31m to 5.30m ht.,

From 5.31m to 6.30m ht.,

From 6.31m to 7.30m ht.,

From 7.31m to 8.30m ht.,

From 8.31m ht to 9.30m ht

From 9.31m ht to 10.30m ht

From 10.31m ht to 11.30m ht

Centering for curved surface

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

From 11.31m to 12.30m ht for sides of floor slab

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.

Painting two coats of newly plastered wall surface with ready mixed plastic emulsion paint of first class quality and of approved colour over a priming coat including thorough scrapping, clean removal of dirt, and including necessary plaster of paris putt

Fabrication, supply, delivery and fixing of outside MS ladder wide 45cm made out of 50×50×6mm MS angle for sides and steps in 16mm MS plain rods fixed at 30cm centre to centre welded, jointed etc., providing with suitable side supports, clamps, and locking arrangements provided with one coat of red oxide paint to for providing access to roof top of OHT of suitable inclined length, including bottom anchorage and transportation and as directed by officers.The rates includes concrete Bed block in in CC 1:2:4 using 20mm HBGS at Top and bottom of suitable size with necessory anchor bolts.

Refilling the excavated earth after laying and joining of pipes including all labour charges etc..complete

Supplying and fixing in position of 0.60 x 0.60m water tight CI manhole frame and cove of approved pattern at the roof slab and as directed. The manhole frame and cover should be of light duty and confirming to IS: 1726-1974 (33kg)

Provision for pipe connection arrangement for Inlet, Outlet, Scour and Overflow etc.,

65MM dia GI Tee

65MM dia GI 90 Bend

65MM dia GI Coupler

65MM dia GI Union

65MM dia GI Elbow

65MMx50MM dia GI Reducer

65MM dia GM Gate Valve

50MM dia GM Gate Valve

Supply and delivery of 63mm PVC 4KSC pipes for pumping main system

Earth work excavation and depositin on bank with an initial lead of 10m and initial lift of 2 m in hardsitticlay. Stiff black cotton soil, hard red earth,

Conveying laying and jointing of 63,50mm 4 KSC PVC AND Gi pipes with specials including all charges etc

Refilling the pipe line trenches with excavated earth including all labour charges

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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