Construction of 1.00 lakhs Litr Capacity OHT ( 12.00m Staging ) in Rathinam Nagar at Unjampatty Panchayat at Jal Jeevan Mission Scheme 2021-2022

Amount

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 river 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 Beyond 1.5 m below GL

RCC 1:1.5:3 concrete using 10 mm and 20 mm HBG sstone excluding steel, centering,chargesbut including mixing and curing etc complete.

Below 1.50m to 4.50m depth from G.L

Below G.L upto 1.50m depth

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

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

Plastering in CM 1:3 10mm Thick ( One cement and three sand ) - over roof slab of reservoir with proper gradient of 1/50 for drainnthe rain water at the center of roof slab by connecting the rain water harvesting pipes with over flow pipe as per type design and as d

Painting two coats with approved cement paint best quality over the outer wall surface including cost of Plastic Emulsion paint etc. complete complying with standard specification as directed byTWAD Board officers..

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.

Upto 16 mm RTS rod

Above 16 mm RTS rod

Fabrication, supply, delivery and fixing of outside MS Ladder of 45cm clear wide made out of 50 mm x 50mm x 6mm MS angle for both sides and for steps at 30cm C/C welded jointed etc ., for I staging from GL to 1st level brace (weight 4.5kg/m) IInd and IIIrd staging upto floor slab and IVth staging from floor slab to roof top. Supply,delivery and fixing of 32 mm GI pipes medium for hand rails from I stage to IVth stage. RCC M30 Grade mix for Landing slab 5 nos. at Ground Level- 1No. and above Ground Level - 4Nos. supply and fixing of 32mm GI pipe medium for hand rails for the Landing slab. Supplying and fixing of MS Base plate of 100mm X 100mm X 6mm thick for fixing Anchore astener bolt for fixing of hand rails at Landing slab and MS Ladder providing locking arrangements with two coats of approved enamel paint over one coat of red oxide paint as per approved Type Design and as directed by TWAD board officers.

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

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.

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 d

Provision for pipe connection arrangements for inlet, outlet scour and overflow etc. including cost of pipes, specials, valve, labour charge for lifting, aligning, cutting, threading, fixing and painting of GI pipes with two coats of approved quality enam

80mm dia GI pipes for inlet connection

80mm dia GI pipes for over flow & rain water harvesting pipe

80mm dia GI pipes for scour pipe

80mm dia GI pipes for delivery pipe

80mm dia GI H.Nipple

80mm dia GI Threaded coupler

80mm dia GI Tee

80mm dia GI Elbow

80mm dia GI Bend

80mm dia GI Union

80mm dia GM Gate Valve

110 mm dia OD PVC pipe

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}

V.Balamurugan