Rehabilitation and Desilting of Nariyar River in Villupuram Taluk of Villupuram District.

Amount

Earth work deploying earth moving machinery for desilting channel and forming bund on either side and deposilting the earth on banks including jungle clearance atc complete complying with standard specifications and as directed by th departmental officers

(Having Width more than 10m)

Earth Work Open 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

Providing and placing in position of plain cement concrete M 10 grade using 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 by finishing, watering, curing etc. complete complying with standard specifications and as directed by the departmental officers

Providing rigid & Smooth centering for vertical RCC concrete wall of supply channels retaining wall etc., for following height with necessary support below ground level & various height above ground level using MS Sheets of size 90x60 cm & BG 10 gauge stiffened with MS angle of size 25x25x3 mm laid over Silver Oak joist of size 7.5 cm x 5 cm spaced at 90 cm centre to centre & supported by casurina props of size 10 to 13 cm dia, spaced at 75 cm c/c etc., Complete as directed by engineer as per the technical specification (Vertical Centering)

Vertical Centering Height 0 cm to 90 cm

Vertical Centering Height 0 cm to 180 cm

Vertical Centering Height 0 cm to 300 cm

Supplying and erecting centering for sides and soffits and strutting upto 3.00 m height for plane surfaces such as RCC works etc., with all cross bracings with M.S. sheets of size 90 cm x 60 cm and gauge BG 10, stiffened with welded M.S. angle of size 25 mm x 25 mm x 3 mm for boarding laid silver oak / (Country wood) joist of size 10 cm x 6.5 cm (spaced at about 90 cm centre to centre) and supported by casurina props of 10 to 13 cm dia speaced at 75 cm c/c and removing the same without any damages etc., complete complying with standard specifications and as directed by the departmental officers(Horizontal Centering)

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

Providing and placing in position of plain cement concrete M 15 using hard blue granite broken stone jelly of size 20 mm 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 by using vibrators, finishing, watering, curing etc. complete complying with standard specifications and as directed by the departmental officers

Providing and placing in position of Reinforced Cement Concrete M 20 using hard blue granite broken stone jelly of 20 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 excluding form works, centring, shuttering and steel fabrications compacting, consolidation by using vibrators, finishing, watering, curing, etc complete complying with standard specifications and as directed by the departmental officers

Providing launching apron using new jeddy stone of size not less than 300 mm thick and weight not less than 40 Kg including the cost of new wedges for filling the gaps, finishing etc complete complying with standard specifications and as directed by the departmental officers

Supplying and fixing 900 mm dia RCC - NP 3 class hume pipe of 2.50 m length in specified location including cost of pipes, labour charges for laying the pipes, fixing joints with cement, spun yarn, etc complete complying with standrad specification and as directed by the departmental officer

Fabricating, Supplying and erection of Screw gearing steel shutters of size above 2.00 m and upto 3.00m width consist of skin plate made out of 10mm thick mild steel plate and horizontally stiffened with 150x75mm ISMB 150 at an interval not more than 0.50m and vertical stiffeners made out of 100x50mm mild steel channel ISMC at an interval not more than 0.60m and provided with 10mm thick mild steel gusset plateof required size on both sides fastened with rust free bolts and nuts etc.Conveying the fabricated shutter by using lorries including loading, unloading and leading the shutter to the vent. Dismantling the eroded shutter and shuttering arrangements by using necessary gas cutting equipments Erecting the new shutter and the shuttering arrangements in the vent in proper position by using necessary hoisting equipments. The shutter shall be painted with two coats of Anticorrosive black paint over one coat of Red Oxide Primer. The rate including cost of materials consumables, labours power charges, conveyance charges for all equipments required conveying the dismantled materials to the section stores, cost of petty civil works, trial operation of shutter and warranty for 5 years etc..complete.complying with standardl specifications and as directed by the departmental officer.

Fabricating, supplying and fixing of Shutter Groove Angle made up of 100x100x10mm Mild Steel angle for required height including welding hold fast of size 40x40x6mm Mild steel angle 3 Nos on both sides and conveying and leading the groove angle to the vents. Fixing the angle to the grooves in proper alignment including dismantling the existing damaged groove angles, conveying and stacking at section store. The groove angle should be painted with two coats of AC black paint over one coat of red oxide primer. The rate including cost of materials, consumables, labours, charges for all fabricating and hoisting equipments, conveyance, petty civil works and warranty for 5 years etc., complete.complying with standard specification and as directed by the Departmental Officers.

Fabricating, supplying and fixing of 63 mm 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,complying with standard specification and as directed by the departmental officers.

Fabricating, Supplying and fixing of Top Beam made up of 200 x 100 mm (ISMB 200) 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 16mm mild steel plate of size 0.20x 0.30m 2 Nos 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, complying with standard specification and as directed by the departmental officers.

Supplying and fixing of Head Set Assembly Heavy duty with hexagonal nut (Approximate 120 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, conveying and stacking at section Store. The 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, complying with standard specification and as directed by the departmental officers.

Supplying and fixing in position of demarcation R.C.C. pre cast post in Cement concrete of grade M 15 with well graded aggregates and the nominal maximum size of coarse aggregate of size 20 mm of size 0.20 x 0.20 x 1.45 M and 0.45 x 0.20 x 0.30 m base fixing the post 30 Cm depth below ground level, the post includes using 4 numbers of 12 mm RTS main rod to a length of 1.45 M, using 6 mm MS @ 23 cm spacing as strips with steel centering and painting the post with enamel paint allround the post etc. complete and conveying the post to the site of demarcation boundary such as canal bund/water spread area etc including earth work excavation for foundation in HSC having the base plain cement concrete of 15 cm of grade M 7.5 with well graded aggregates and the nominal maximum size of coarse aggregate of 40 mm, and the post embedded by using Cement concrete of grade M15 with well graded aggregates and the nominal maximum size of coarse aggregate of 20 mm as per the drawing enclosed including cost of earth work, concrete, moulding charges, steel reinforcement, finishing, watering, curing, painting them and marking at top of post, etc .complete complying with standard specifications and as directed by the departmental officers

P Senthamaraikannan (BID ID -1177137)

Thiruvengadam Ramalingam Suresh (BID ID -1177196)