Construction of 100000 lit OHT tank in Devanampattu panchayat of Thurinjapuram Block in Package No.TVM/2021-22/336 Tiruvannamalai District under Regularisation of Unauthorised Layout and Plot Approved Fund

Amount

Construction of 100000 lit.capacity OHT tank in Gubera Nagar at Vengikkal panchayat

Earth work excavation for foundation & depositing on bank with an initial lead of 10 metre & initial lift of 2 metre in Hard shift clay, stiff block cotton, hard red earth shales, murrum, gravel, stoney earth, and earth mixed with small size boulders and hard gravelly soil (SS 20B) for foundation including shoring, strutting, baling out water providing danger light wherever necessary depositing the surplus earth on bank and other incedential charges etc., complete and as directed by TWAD board Officers - First depth of 2m From 0 to 2 m below GL

In hard stiff clay, stiff black cotton soil, hard red earth, sales, murrams, gravel, stoney earth, earth mixed with small sized boulders and hard gravelly soil S.S.20B

In soft disintegrated rock, leterite, soft rock or kankar not requireing blasting

In soft disintegrated rock, leterite, soft rock or kankar not requireing blasting for second depth 2m to 3m

Medium rock and dense medium rock not requireing blasting for second depth of 2m to 3m

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. - For footing

Reinforced Cement Concrete1:1.5:2 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 below 1.50m

0m to 1.50m below GL

0m to 4.50m above GL

4.50 m to 7.32 m above GL

7.32 m to 10.98 m above GL

10.98 m to 14.64 m above GL

Braces at GL - Circular portion in central column

Brace as 3.55m above GL

Braces at 7.35m above GL

Reinforced Cement Concrete1:1.5:2 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. - Side wall above 11.85m to 14.64 above GL

Side wall above 14.64m to 18.30 above GL

Central column inside the tank from 11.85m to 14.60m above 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 complete and as directed by the TWAD Board Officers. Square Column: - Square Column Below GL and upto 3.30m above GL

3.35m to 4.30m ht

4.30m to 5.30m ht

5.30m to 6.30m ht

6.30m to 7.30m ht

7.30m to 8.30m ht

8.30m to 9.30m ht

9.30m to 10.30m ht

10.30m to 11.30m ht

11.30m to 11.35m ht

Central Circular Column : Column 0 to 3.3m ht above GL and below GL

Column above 3.30m to 4.3 ht from GL

Column above 4.30m to 5.3 ht from GL

Column above 5.30m to 6.3 ht from GL

Column above 6.30m to 7.3 ht from GL

Column above 7.30m to 8.3 ht from GL

Column above 8.30m to 9.3 ht from GL

Column above 9.30m to 10.3 ht from GL

Column above 10.30m to 17.07 ht from GL

Plain Surface upto 3.30 height above and below GL

Brace at 3.55m above GL

Brace at 7.35 m above GL

Floor slab and working platform at 11.62m above GL

Roof slab at 2.95m above floor slab

Curved surface upto 3.30m height above and below GL

Sides of circular porttion in central column at 3.55m above GL

Sides of circular porttion in central column at 7.35m above GL

Central column head at 11.07 m above GL

Floor beam sides at 11.35m above GL

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.

Supplying and fixing in position of cut stone set in C.M. 1:3 using well dressed cut stone supporting inlet pipe inside the tank and as directed by the Officers.

Supply, delivery and fixing in position of enamul coated water level indicator

Supply, delivery and fixing in position of CI man hole cover and frame of size 60 x 60 cm on roof slab and as directed by the TWAD Board Officers. The manhole frame and cover should be of light duty and conforming to IS 1726/1974.

Supplying and fixing of MS Grill handails of 0.91m height over the top of roof slab of approved pattern and design including the cost and materials labour and painting finishing etc

Supply, delivery and fixing in position of 500 mm dia, RCC ventilators on the roof slab and as directed by the TWAD Board officers

Conducting load test to ascertain the SBC of soil

Refilling the foundation for service reservoir with excavated earth (other than sand) in layers of 15 cm thick well rammed, watering and consolidating etc., complete complying with standard specifications as directed by TWAD Board Officers

RCC 1:1.5:3(One cement one and half sand and three 20 mm size HBG stone) for the RCC inside ladder including the cost of reinforcement fabrication centering and shuttering, cost of mixing placing of concrete vibrating curing, finishing etc., complete including fixing of RCC Ladder etc., complete as directed by the TWAD Board officers.

Rain water harvesting

Pipe connection arrangements for inlet,outlet,scour and overflow etc. including cost of pipes,specials,valve,labour charges for lifting, aligning, cutting, threading ,fixing and painting of GI pipes with two coats of approved quality enamal paint etc. complete as detailed below. - 100mm GI pipes for inlet connection

100mm GI pipes for over flow & rain water harvesting pipe

80mm GI pipes for scour pipe

100mm GI pipe for delivery pipe

100mm GI pipe for delivery pipe

110mm PVC Threaded coupler

110mm PVC Threaded coupler

150mm dia GI Tee

150mm dia GI bend 90

100mm dia GI bend (short)

150mm dia GI Coupler

100mm dia GI Coupler

150mm GI union

150mm GI Elbow

100mm GI union

100mm GI Elbow

150mm GI Tee

150x100mm GI reducer

160mmx110mm PVC reducer

125mm GM gate valve

100mm GM gate valve

110 mm PVC 4Ksc Pipe

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

Provision for RCC 1:2:4 mix spiral Stair case of approved design outside of the tank as generally shown in plan incluing cost etc., Earth work excavation andn depositing on bank with initial lead and lift in hard stiff clay, black cotton soil hard red earth shales muram gravel stoney earth and earth mixed wiht 50% fair size boulders

PCC 1:4:8 using 40mm HBG stone for levelling course

Column up to GL

Column upto 4.50m from GL

Column upto 4.50m - 7.32 m from GL

Column upto 7.32m - 10.98m from GL

Column upto 10.98m - 14.64m from GL

Column upto 14.64m - 16m from GL

Centering for soffits of RCC works including strutting, shttering cost of materials etc Rectangular portion below GL

Column upto GL

Landing slab at 16m

RCC 1:1.5:3 using 20mm HBG stones for steps

RCC 1:1.5:3 using 20mm HBG stones for jolly work

M.S Rods

RGS rods

Charges for mould for casting steps

Charges for mould for casting handrails posts

Charges for mould for casting jolly works

Providing scfolding for a length of 4m wide

Lifting the steps and jolly works by means of pully block and strutting in position including hire charges for pully block

Provision for fixing the staircase with columns at brace level with MS clamps (or) with RCC beans

Providing MS grill gate at roof level with loci

Refilling the foundation for service reservoir with excavated earth (other than sand) in layers of 15 cm thick well rammed, watering and consolidating etc., complete complying with standard specifications as directed by TWAD Board Officers

Provision for Name board

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}

Arivazhagan R