Strengthening and formation of flood bank with River Training Works damaged due to Cyclone Michaung in Kosasthalaiyar River from LS.119.100 Km to 127.600 Km in Ponneri Taluk of Thiruvallur District

Amount

Earth work excavation in all soils ramming rock requiring blasting and conveying for formation of bund with a lead 0 to 100 m by deploying earth moving machineries and tippers excluding bencing, formation of bund, breaking clods sectioning etc complete complying with standard specifications and as directed by the departmental officers

Providing and placing in position of plain cement concrete M 10 grade using M Sand and hard blue granite broken stone jelly of size 20 mm size mixing with mixer machine including the cost of bailing/pumping out the surface water wherever necessary laying the concrete in layers of not exceeding 15 cm thick, compacting, consolidation by finishing, watering, curing, etc., complete complying with standard specifications and as directed by the departmental officers

Providing and placing in position of Plain Cement Concrete M 15 using M sand and hard blue granite broken stone jelly of size 20 mm mixing with mixer machine and laying including the cost of bailing/pumping out of surface water wherever necessary laying the concrete in layers of not exceeding 15 cm thick, compacting, consolidation, finishing, watering, curing etc. complete complying with standard specifications and as directed by the departmental officers

Works below G.L upto 1.50 m Depth and above G.L upto 1 m Height

Works above G.L upto 4.50m height

Supplying, fabricating and placing in position of Mild Steel or Ribbed Tor Steel for all RCC works as per design & drawing given including cost of steel, binding wire and labour charges for cutting, bending, laying in position and tying with binding wire, etc. complete complying with standard specifications and as directed by the departmental officers

Supplying and erecting centering for vertical plain / RCC concrete walls of supply channel, retaining wall etc of follwing height with necessary supports, all cross bracing with mild steel size of 90 cm x 60 cm and gauge BG 10 stiffened with welded mild steel sheet angles of size 25 mm x 25mm x 3 mm for bearing laid silver Oak / Country wood joist of size 7.5cm x 5 cm spaced @ about 90 cm c / c and supported by Casurina props of 10 cm to 13 cm spaced @ 75 cm c / c etc., complete complying with standard specifications and as directed by the departmental officers

0 to 0.90 m Height

0 to 1.80 m Height

Upto 3m height

3m to 4m height

Earth work in all soils except hard rock requiring blasting and conveying for formation of bund with a lead of 0 to 100 metre deploying earth moving machinery including benching formation of bunds breaking clods sectioning and watering and consolidation by the power roller etc., complete complying with standard specification and as directed by the departmental officer. (Conveyance of 7 KMMR)

Gravel backing for revetment and apron in layer not exceeding 15 cm thick, including watering, consolidation and trimming the top surface so as to receive the rough stones and including stacking for pre measurement etc., complete complying as per standard specifications, and as directed by the departmental officers.

Manufacturing and fixing the Cement concrete block of size 300 mm X 250 mm X 200 mm of mix M 15 grade using machine broken hard blue granite broken stone jelly of 20 mm size including the cost and conveyance of all materials to work site, labour charges for fixing the same in position and including all other incidental charges, handling charges etc complete complying with standard specifications and as directed by the departmental officers

GST 18 % in Figures