Reconstruction of bed dam across Chennakunni voikal (Northern side) near Kalvakattalai at Rayanpalayam village in Kottucherry commune

Amount

Earthwork in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5m, including getting out the excavated soil and disposal of surplus excavated soil as directed , within a lead of 50m - all kinds of soil

Cement concrete 1:4:8 mix with stone aggregate 40mm nominal size in foundation upto a depth of 1.5 metres below ground level and upto height of 1.5 above ground/bed level.

Cement concrete 1:3:6 mix with stone aggregates 20mm nominal size mechanically mixed and vibrated in foundation upto a depth of 1.5 metres below ground level and 1.5 metres ground/bed level.

Centring and shuttering including strutting , propping etc. and removal of form work for - retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs and steps etc.

12mm cement plaster of mix -1:4 ( 1 cement : 4 fine sand)

Finishing walls with water proofing cement paint of required shade - New work (Two or more coats applied @ 3.84 kg / 10 sqm)

Fabricating, supplying and erection of Screw Gearing steel shutters of size up to 1.00m width, made out of 8 mm thick Mild steel and 65 x 65 x 6 mm Mild steel angle for outer frame with each 1 No. of vertical and horizontal stiffeners at equal spacing made out of same section and 8 mm mild steel plate for gusset plate 2 Nos of size of 0.30 x 0.20m with required bolts and nuts etc., and erection of shutter in position at site with all accessories and conveying and leading shutter to site. The rate to include dismantling the old from the vent, including the power required, conveyance of equipments to site loading of dismantled materials after completion of work, transporting to stores, unloading and stacking. The shutter shall be finished with one coat of anticorrosive black paint over one coat of Red Oxide paint. The rate shall include petty civil work and trial operation and all taxes etc., complete.

Fabricating, supply and fixing of screw rod 50mm dia mild steel round rod duly machined and fully threaded to suit the Capstain Head Assembly with required bold and nut fastened with eye plate of the shutters including greasing etc., including dismantling old screw rod conveying loading and unloading and stacking to section store etc., complete

Fabricating, supplying and fixing of top beam made out of 150 x 75 mm (ISMB 150) duly drilled to suit the head set assembly with required bed bolt made out of 25mm Mild Steel round road duly threaded with suitable anchorage arrangements to a height of 0.9 necessary fish plate made out of 8 mm Mild Steel Plate of size 0.23 x 0.30 m 2 Nos. to place of Beam in position including petty civil works and painting with one coat of anticorrosive black paint with one coat red oxide primer etc., including dismantling old Beam conveying, loading and unloading and stacking to section store etc., complete.

Fabricating, supply and fixing of cast iron head set assembly light duty with hexagonal nut (Approximate 50kg) duly machined with nut threading to suit the screw rod with including cost of all bearings for smooth operation cost of grease, one cost of Anticorrosive black paint over one coat of red oxide primer. The cost shall include requried handle for shutter operation including dismantling the existing head set assembly and conveying to the store and stacking including, loading and unloading charges etc., complete.