Special Repairs to 11R(A) DY Canal at LS 0/600 to 0/800 km at Thalayampallam Village in Tiruvannamalai Taluk of Tiruvannamalai District.

Earth Work Excavation for Foundation in all soils and sub soils and to full depth as may be directed by the Departmental Officers except hard rock requiring blasting including shoring, strutting and baling out water wherever necessary and refilling the sides of foundation with excavated soil in layers not exceeding 15 cm thick, well rammed and consolidated and depositing including all initial leads and initial lifts, etc., complete complying with standard specifications and as directed by the departmental officers. (Open Excavation)

Providing and placing in position of Plain Cement Concrete M 10 Grade using M Sand & Graded Hard Blue Granite Broken Stone Jelly of 40 mm size mixing with mixer machine including the cost of bailing/pumping 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.

Centering for sides and soffits including supports and strutting for plain surfaces such as R.C.C slabs cut off walls, body walls of anicuts, wings, returns trough up to 3m height using M.S Sheets of size 90cm and BG 10 gauge stiffened with welded M.S angles of size of 25mm X 25mm X 3mm laid over sliver oak (Country wood) joist of size 10cm X 6.5cm (spaced at about 90 cm c/c) and supported by casurina props of 10 to 13 cm dia spaced at 75 cm c/c complying with standard specification and as directed by the departmental officers.

Vertical Centering 0 to 90 cm Height

Vertical Centering 0 to 180 cm Height

Providing and placing in position of Plain Cement Concrete M 15 Grade using M Sand & Graded Hard Blue Granite Broken Stone Jelly of 60% of 40 mm size and 40% of 20 mm size mixing with mixer machine and laying in layers including the cost of bailing/pumping wherever necessary laying the concrete in layers of not exceeding 15 cm thick, compacting, consolidation by using vibrators, finishing, watering, curing etc. complete complying with standard specifications and as directed by the departmental officers.

Earth work excavating and depositing on bank with initial lead of 10m & initial lift of 2m in Sand, silt or other loose soil, wet sand or silt not under water, light black cotton oil, sandy loam and ordinary soil including excavated earth (SS20B)

Fabricating, supplying and fixing of 50mm dia Screw Rod made up of Mild Steel duly machined and fully threaded to suit the Head set Assembly and provided with required holes. Conveying and leading the screw rod to the worksite. Fixing the screw rod to the shutter gusset plate with required bolt and nut in proper alignment to the head set including dismantling the existing damaged screw rod, conveying and stacking at section store. The Screw rod should be painted with two coats of AC black paint over one coat of red oxide primer. The rate including cost of materials, labours, charges for all fabricating and hoisting equipments, conveyance charges for labours and materials and warranty for 5 years etc., complete.

Supplying and fixing of Head Set Assembly Light duty with hexagonal nut (Approximate 50 Kg) made up of cast iron including moulding, machining and the hexagonal nut threaded to suit the Screw Rod provided with thrust bearings for smooth operation. Conveying and leading the head set assembly to the work site. Fixing the head set assembly to the top beam by using required rust free bolts and nuts in proper alignment including dismantling the existing damaged Head set assembly supplied with operating key and the both should be painted with two coats of AC black paint over one coat of red oxide primer. The rate including cost of materials, labours, charges for wooden pattern, moulding and charges for labours and materials and warranty for 5 years etc., complete.

Fabricating, Supplying and fixing of Top Beam made up of 150x75mm (ISMB 150) duly drilled to suit the Head Set Assembly with required bed bolt made out of 25mm mild steel round rod duly threaded with suitable anchorage arrangements to a height of 0.60m with necessary Fish plate made out of 12mm mild steel plate of size 0.30 x 0.15m 2Nos with required holes. Conveying and leading the top beam arrangements to the work site. Fixing the top beam arrangements at the top of the vent in correct position including dismantling the existing eroded top beam, conveying and stacking and the section stores. The top beam should be painted with two coats of AC black paint over one coat of Red Oxide primer. The Rate including cost of materials, labours, charges for all fabricating and hoisting equipments, cost of petty civil works conveyance charges for labours and materials and warranty for 5 years etc... complete.