Construction of 30000 liters capacity OHT 12M stage Platform at Mudhanai village in Mudhanai Panchayat

Earth work excavation & 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

Second depth of 2m From 2m to 4 m below GL

'Sand filling for foundation with clear river sand including cost of sand, watering ,ramming and consolidation etc complete as directed by TWAD Bord officers

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.

Reinforced Cement Concrete 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. For items 1.5m to 4.5m below GL

For items 0 m to 1.5m below GL

For items 0 m to 4.5m Above GL

For items 4.50 m to 7.32 m Above GL

For items 4.50 m to 7.32 m Above GL

For items 10.98 m to 14.64 m Above GL

For items 10.98 m to 14.64 m 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. Plain Surface

PLANE SURFACE GL to 3.30m

PLANE SURFACE 5.30 m to 6.30m

PLANE SURFACE 8.30m to 9.30m

PLANE SURFACE 11.30m to 12.30m

Square Column Below GL and upto 3.30m above GL

3.30m 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 11.45m ht

From 11.30m to 12.30m

From 12.30m to 13.30m

From 13.30m to 14.30m

From 14.30m to 15.30m

'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.

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.

Fabrication, supply, delivery and fixing outside MS ladder of 45cm wide made out fabrication, supply , delivery and fixing of outside MS ladder of 45cm wide made out 50 x 50x 6mm MS angle for sides and steps in 16m MS plain rods fixed at 30cm centre to centre welded, jointed etc., providing with suitable side supports, clamps, and locking attangements provided with one coat of red oxide paint for providing access to roof top of 30,000 lit capacity OHT of sutable inclined length, incluidng bottom anchorage and transportation and all labour charges etc., complete

Providing and fixing of RCC inner acces ladder in RCC 1:1 1/2:3 (one cement and one and half sand three aggregate) using 20mm HBG stpme for OHT including cost of reinforcement, Placing grill in position, consisting of two Nos of ve -ical post of 10cm x IScm directed by TWAD Board officers. Providing PVC ventilating arrangements mosquito proof nylon net with 110mm PVC pipes and cowl and. providing cut stone slab in CM 1:3 including all labour charges etc., complete

Providing PVC ventilating arrangements mosquito proof nylon net with 110 mm PVC pipes and cowl and including all labour charges etc.,

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. 65mm Ø GI pipes for inlet connection

65mm Ø GI pipes for over flow &

rain water harvesting pipe

65mm Ø GI pipe for delivery pipe

65mm Ø GI pipe for Scour pipe

63 mm Ø PVC threaded coupler

65mm Ø GI Tee

65mm Ø GI Bend

65mm Ø GI coupling

65mm Ø GI Flange Set

65mmx 50mm GI Reducer

65mm Ø GM Gate valve

Refilling the foundation with excavated earth including consolidation as directed by the TWAD Board officers

OHT Handrail Arrangements etc., 32MM GI Vertical Pipe

25MM GI 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.

Ladder Lock Door With Lock and Key arrangements

OHT chlorination Arrangements

Earthwork excavation and depositing on bank with an intial lesd & lift in hard stiff clay, gravelly soil, shales, murrams earth mixed soil as per SS 20 B for foundation

Sand filling with good river sand including cost & conveyance of all materials to site and all labour charges for curing, compacting etc., complete.

Cement concrete in 1:4:8 mix using 40 mm metal used for foundation including cost & conveyance of all materials to site and all labour charges for curing, compacting etc., complete.

Cement concrete in 1:3:6 mix using 20 mm metal used for foundation including cost & conveyance of all materials to site and all labour charges for curing, compacting etc., complete.

Plain Cement Concrete 1:2:4 (one cement, two M.Sand and four hard broken stone jelly) using 20mm jelly for wearing coat including laying, compacting, finishing and curing, etc., complete as per standard specificatins and as directed by the departmental officers.

Supplying and erecting centering for sides and soffits including necessary supports and strutting upto 3.29 M height for plane surfaces as detailed below in all floors with all cross bracings using Mild Steel sheets of size 90 x 60 cm and 10 BG stiffened with welded Mild Steel angle of size 25mm x 25mm x 3 mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at abote 90 cm centre to centre and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75 cm centre to centre etc. complete complying with the standard specificaiton. (Payment for centering shall be given after the concrete is laid)

Filling the stones in soakpit incluiding the cost and conveyance of materials 40mm

Filling the stones in soakpit incluiding the cost and conveyance of materials 20mm

Rcc Precast rings

Ring and RCC Cover Slab

Earth work excavation in all types of strata for laying of pipes with the standard trench width as per Bd .Circular No. 28/ AE10/ P&D/ 2001/ dt. 01.10.2001 and JCE (P&D)/ Lr.No. LM/ AE10/ P & D/ 2001/ dt.22.11.2001 ( 1.00 x 0.60 x 1.05 )=Rate per cum 265.63

Supply of unplasticised PVC rigid pipes as per BIS 4985/2000 with ISI Marking to site of works a. 63 mm OD PVC Pipe 4 KSC

Lowering and laying the PVC Pipes and specials to trench , laying to proper grade and alignment, Jointing with PVC coupler and specials fixing with Solvent cement paste etc a. 63 mm OD PVC Pipe 4 KSC

Refilling with excavated soil complying with standard specification in layers of 15 cm thick well rammed and consolidated after pipes and specials are laid and tested.(1.00 x 0.60 x 1.05 )=Rate per cum 33.60 a. 63 mm OD PVC Pipe 4 KSC

Supply of PVC specials as per BIS 10124/1988 Part 1 to 13 &BIS 7834/1975 with ISI Marks to site of works 63mm PVC Bend

63mm Tee

63mm End Cap

Provision for Name Board

Provision for Photography Charges

Provision for LWF 1%

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