Construction of 100000 litre capacity OHT with 12.00m Staging Height at Meela thiruu maanickam Village and Panchayat 2025-2026

Amount

Work Name : Construction of 100000 litre capacity OHT with 12.00m Staging Height @ Melathirumanickam Village and Panchayat 2025-2026

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 whereever neceessary including providing danger lights etc and as directed by TWAD Board officers as per spec Hard stiff clay, stiff block cotton, hard red earth, shales, murrams, gravely stoney earth mixed with 50% small sized boulders and hard gravelly soil

I st Depth of 2.0m

2nd depth of 1.0m

Sand filling for foundation with M sand including consolidation ramming etc,.

Cement concrete 1:4:8 (one cement, four sand, and eight course aggregate of 40mm size hard blue granite broken stone ) for levelling course including the cost of mixing, placing the concrete in position, consolidating finishing and curing etc, complete

Cement Concrete 1:1-1/2:3 (One Cement, One and a half crushed stone M.Sand and Three hard broken stone jelly) using 20 mm gauge hard broken granite stone jelly for all RCC items of works excluding cost of reinforcement grill and fabricating charges centering and shuttering but

Below 1.50m to 4.50m depth from G.L

Above G.L upto 4.50 ht

Column 4.50m to 7.32m ht above G.L

column 7.32m to 10.98m ht above G.L

column 10.98m to 14.64m ht above G.L

column 14.64m to 18.63m ht above G.L

Centering for soffits of reinforced cement concrete slabs or plain surface including strutting upto 3m ht, using M.S sheet of size 90cm x 60cm and BG. 10 gauge stiffened with welded M.S angles of size 25mm x 2mm x 3mm laid over silver oak (country wood)

Plane surface

From G.l upto 3.3m ht

From 3.3m to 4.3m ht

From7.30m to 8.30m ht

From 11.30m to 12.30m ht

Curved Surfaces

Upto 3.30m ht from Floor Level

From 11.30m to 12.30m ht from floor level

Square column

Upto 3.30m ht 1of8

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 to 9.30m ht

From 9.30m to10.30m ht

From10.30m to 11.30m ht

From 11.30m to 12.30m ht

Circular 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 to 9.30m ht

From 9.30m to10.30m ht

From10.30m to 11.30m ht

From 11.30m to 12.30m ht

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 putty, wherever required etc., complete complying with standard specification.

Supplying, fabricating and placing in position of RTS grills for reinforcement for various members including cost of steel for all RCC works as directed by TWAD Board officers. The rate to include the cost of binding wire also.

As per schedule

Providing RCC jolly works as hand rails at top of roof slab about 0.60m ht.

Supply and fixing in position of enamelled water level indicator with all accessories of approved pattern and design as directed by TWAD Board officers.

Supplying and fixing in position of 0.60 x 0.60 m water tight CI manhole frame and cover of approved pattern at the roof slab and as directed byTWAD Board officers. The manhole frame and cover should be of light duty and confirming to I.S. 1726 /1974

Cut stone set in C:M 1:3 ( one cement and three sand ) using well dressed cut stone supporting inlet pipe of size 0.30 x 0.30 x o.15m for service reservoir as directed by TWAD Board officers. 2of8

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 pattern including cost of cement, reinforce ment, centering, shuttering, strutting etc, complete a

Supplying and fixing in position of RCC 1:1.5:3 of 20mm size HBG inside access ladder of approved design and pattern inside tank including cost of cement,reinforcement,centering ,shuttering ,strutting etc., complete as generally shown in the plan and as directed by TWAD Board officers.

Inlet Pipe Line

100mm GI pipes

100mm GI 90º Bend -

100 mm GM GATE VALUE

OUTLET CONNECTION

100mm GI pipes

100mm GI 90º Bend -

100 mm GM GATE VALUE

Scour

100mm GI pipes

100mm GI 90º Bend -

100 mm GM GATE VALUE

Over flow

100mm GI pipes

100mm GI 90º Bend -

100 mm GM GATE VALUE

Construction of Masonry valve pits as per type design

125mm sluice valve pit

100mm sluice valve pit

80mm Scour valve pit

Provision for Lightening arrester

Provision for New Borewell - Sub Estimate

with Pipe Line extension - Sub Estimate

Provision for Nameboard & Photographic 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}

DEVRIKASH (BID ID -1536859)