Construction of 30000 litre New OHT at Mamangalam in Mamangalam Panchayat

Amount

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

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,Below 1.5m from GL

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

14.64 m to 18.30 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. Below GL

From GL to 3.30m

From 5.30m to 6.30m above GL

From 8.30m to 9.30m above GL

From 11.30m to 12.30m

Square Column Below GL and upto 3.30m above GL

3.31m to 4.30m ht

4.31m to 5.30m ht

5.31m to 6.30m ht

6.31m to 7.30m ht

7.31m to 8.30m ht

8.31m to 9.30m ht

9.31m to 10.30m ht

10.31m to 11.30m ht

11.31m to 12.30m ht

Curved Surface - upto 3.30m ht. 11.30m to 12.30m

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 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 fastener 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 and fixing of RCC inner access ladder in RCC 1:11/2 :3 (one cement,one and half sand and three aggregate) using 20mm HBG stone for OHT including cost of reinforcement, placing grill in position, centring,shuttering charges, mixing concrete,curing etc. to required height and clear width of 45 cm consisting of 2 nos. of vertical post of 10 cm x 15 cm and step slab of 25mm x 25mm etc.complete and as directed by TWAD Board Officers.

Providing 110mm PVC vent cowl arrangements mosquito proof nylon net and as directed by TWAD Board officers

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 Pipe and 32MM GI Vertical Pipe,

25MM GI Pipe

Labour Charges for GI Pipe Connection to thr OHT ,For inlet,Outlet,Overflow and Scour Arrangements including Cutting and Threading earth work excavation & Refiilng

Ladder Lock Door With Lock and Key arrangements

OHT chlorination Arrangements

Platform 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)

40mm Metal

20mm Metal

Rcc Precast rings

Ring and RCC Cover Slab

Earth work Excavation for Foundation in all soils and Sub Soil to full depth as may be directed except in hard rock requiring blasting but inclusive of shoring strutting and requiring the sides of foundation.

Cement concrete 1:3:6 mix using 20mm ISS metal including cost and conveyance of all materials to site and all labour charges for mixing, laying and curing etc complete

Providing Supplying of Rcc Precost Post 0.15x0.15x1.80 m height including Transporting Loading Unloading and Fixing for Post and Chainlink Labour Charges Etc Complete

Providing supplying and Cost of ChainLink-2"x2"using10GaugeGalvanised IronWire (of all sizesincluding Transporting Loading Unloading and Fixing for Concrete work Labour Charges Etc Complete.

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

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

63mm PVC Bend

63mm Tee

63mm End Cap

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}

Somasundaram (BID ID -1557940)