Construction of 10000 lr OHT at Ettukudi panchayat in Keelaiyur Block

Amount

1.Construction of 10000 lr OHT at Ettukudi panchayat in Keelaiyur Block

Earthwork excavation and depositing on bank with an initial lead of 10m and lift of 2m in hard stiff clay, stiff black cottonsoil, hard red earth , shales, murams,gravel, stoney earth and earth mixed with small boulders and hard gravelly soil (SS 20B) including shoring, and strutting baling out of water wherever necessary and all other incidental charges etc. complete as directed by TWAD Board Officers.

Supply and filling the foundation with clean river sand in layers, of not exceeding 10 CM thick complying with standard specification including consolidation and watering etc complete as directed by TWAD Board Officers.

Levelling course with plain cement concrete 1:4:8 (One SRC cement, four sand and eight course aggregate) using 40mm size hard granite broken stone for foundation including the cost of mixing , laying, consolidation, curing etc. complete as directed by TWAD Board Officers

RCC ( M 30 ) design mix using SRC cement, 20mm and 10 mm size hard granite broken stone (machine crushed) excluding cost of reinforcement, fabrication and placing the rods in position and excluding the cost of centering shuttering and strutting but including mixing concrete using mechanical mixer machine, vibrating with mechanical vibrator, curing finishing etc. complete and as directed by the TWAD Board Officers for the following items.

0 to 1.50m below GL

0m to 4.5m above GL

Above 4.51m to 7.32 m above

Above 7.32 m & up to 10.98 m from 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 BG 10 stiffened with MS angle of size 25 X 25 X 3mm for boarding laid over I type M. S. Truss of size 25x25x3 mm space at about 90cm c/c and supported by 40 mm GI pipe (Medium)spaced at 75cm c/c etc., for various heights and complete as directed by TWAD Board officers. The centering should be removed after the specified striping time of the concrete as per IS 456/1978

For Middle Brace bottom @ 3.375 m,For middle Brace sides inner,For middle Brace sides outer

floor beam inside @ 7.0 m,floor beam outside ,floor beam bottom,Bottom of floor slab including working platform

Side wall outer,Side wall inner,Haunch (slanting),Sides of roof slab

deduct for brace jn

Painting two coats with approved cement paint over one Priming coat of Cement Paint over Cemcent plaster surface including cleaning preparing the surface and curing etc complete - 1 m2

Supply, fabricating and placing in position of RTS rods for reinforcement at all heights for all RCC works including cost of steel, binding wire, labour charges etc. complete as directed by TWAD Board Officers.

Providing Fusion Bonded Epoxy coating not less than 175microns thickness and upto 300 microns to reinforcement of all diameters as per IS 13620/1993 including testing of coating at plant.The cost is inclusive of cost on account of careful handling, PVC coated binding wires, touchup material supplied by coating agency, repair work, loading, unloading and strengthening of bent rods etc., complete as per specification and as directed by the Engineer in charge.

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 32mm 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 officers. (SOR 2022-23 P.90/ Item No. 19)

Supply, delivery and fixing of RCC [( M 30 ) design mix using SRC cement, 20mm and 10 mm size hard granite broken stone (machine crushed)] inside access ladder from roof slab to floor slab level of SR with 0.45m wide consisting of two nos vertical post of 10cm x 15cm and steps slab of 15cm x 6cm including cost of reinforcement, fabrication, fixing in position, curing charges, centering charges, labour charges etc., complete and directed by the TWAD Board Officers.

Providing 65 mm GI ventilating arrangements with mosquito proof nylon net and as directed by TWAD Board officers

Supplying and fixing of cut stone of size 0.45m x 0.45m x 0.15 set in CM 1:3 (One SRC cement and three sand) below the inlet pipe inside the service reservoir and as directed by the TWAD Board Officers.

Providing manhole cover of size 0.6 m X 0.60 m in RCC 1: 1.5:3 using SRC cement with suitable reinforcement and 50mm x50mm x 12.5mm MS angle fixed along edges and as directed by TWAD Board officers.

Labour charges for Painting TWAD Board Emblem in accordance with the size and specifications as approved by the Board on the Service Reservoirs including cost of all consumables, one coat of base paint,scaffolding charges,etc., and complete as directed by TWAD Board officers(SOR 22-23 / P.283/ Item 4)

Refilling the foundation of Service Reservoir with excavated earth complying with standard specification for filling the foundation including watering consolidation etc. complete and as directed by the TWAD Board Officers.

As per item l(a) + l(b) Less item 2,3 & 4A & 4B Total

Providing GI pipe connection to the OHT along with water meter, flow control valve and steel protection box ( vide separate sheet)

Provision for name bord 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}

R. RAJENDRAN