Restoration and Construction of Inlet (Katturangal Maduvu Catchment from Velur and Athamanjeri Villages Left and Right Side) to flood discharging full from L.S.2.50 km to L.S.4.90 km in Ponneri Taluk of Thiruvallur District.

Amount

Clearing scrub jungle etc, complete complying with standard specifications and as directed by the departmental officers

Earth work excavation deploying earth moving machineries for desilting channel and forming bund on either side and depositing earth on banks including jungle clearance etc, complete complying with standard specifications and as directed by the departmental officers - having width of channel 3m to 10m

Earth work excavation deploying earth moving machinery for desilting channel having a width of more than 10m and forming bund on either sides and depositing the earth on banks including jungle clearance etc, complete complying with standard specifications and as directed by the departmental officers

Dismantling, Clearing away and carefully stacking materials useful for re - use for any thickness of Walls stone masonry in cement mortar walls under 3m high - etc complete complying with standard specifications and as directed by the departmental officers

Dismantling,clearing away and carefully stacking material useful for resuse for any thickness of Plain cement concrete ect.,Complete Complying with standard spesification and as directed by the departmental officers.

Earth work excavation in all soils except hard rock requiring blasting and coveying for formation of bund with a lead of 0 to 100 m by deploying earth moving machineries and tippers including, formation of bund, clods sectioning, excluding benching etc, complete as directed by the departmental officers. (Cut Open the Tank Bund)

Earth work excavation for foundation in all soils and to full depth as may be directed except in hard rock requiring blasting inclusive of shoring, shuttering and bailing out water wherever necessary and refilling the sides of foundation with excavated soil other than sand in layers of 15 cm thick well rammed and depositing the surplus excavated soil within the site in places shown by the departmental officers with initial lead and lifts cleaning and levelling the site 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 graded 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, compacting, consolidation, 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 grade using M sand and graded 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, 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 grade using M sand and graded 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, compacting, consolidation by using vibrators, finishing, watering, curing 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 (Vertical centering)

0 to 0.90 m Height

0 to 1.80 m Height

Upto 2.70m / 3.00 m Height

3.0m to 4.0m Height

4.0m to 5.0m Height

5.0m to 6.0m Height

Dewatering using Diesel Engine pumpset using including hire charge, cost of diesel, Engine oil, pump operator, labour charges, crew charges, transportation charges towards dewatering surface runoff from natural drainage cover which intries into etc., complete complying with standard specifications and as directed by the departmental officers

Supplying, fabrication and placing in position of Mild Steel, Ribbed Tor Steel for all RCC works as per design 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.

Refilling with excavated soil ( other than sand ) etc, complete complying with standard specifications and as directed by the departmental officers

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 standard specifications and as directed by the departmental officers

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 specifications and as directed by the departmental officers.

Fabricating, supplying and fixing of 63mm 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 specifications and as directed by the departmental officers

Fabricating, Supplying and fixing of Top Beam made up of 200x100mm (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 specifications 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 specifications and as directed by the departmental officers

Supplying and fixing of Bottom Flat Rubber seal with Mild Steel Flat plate throughout the length of Rubber seal and fitted with the existing structure by means of Mild Steel Washers, Nuts and Bolts including dismantling the old corroded bolts by cutting, removing old flats and hardened or damaged old rubber seals beam, then conveying, loading and unloading and stacking to section store, etc.., complete complying with standard specifications and as directed by the departmental officers.

Supplying and fixing of Side Music note rubber seal (Teflon claded) with Mild Steel Flat plate throughout the length of Rubber seal and fitted with the existing structure by means of Mild Steel Washers, Nuts and Bolts including dismantling the old corroded bolts by cutting, removing old flats and hardened or damaged old rubber seals beam, then conveying, loading and unloading and stacking to section store, etc.., complete complying with standard specifications and as directed by the departmental officers.

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 with 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

RKN CONSTRUCTIONS (BID ID -1177258)