Augmenting the Capacity of Puthagram Lake in zone VII of Chennai in Kosasthalayar Basin to reduce flood risk in Korattur Area (Second Call)

Amount

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

Earth work in all soils except Medium rock / hard rock requiring blasting conveying for Formation of bund with a lead 5 km deploying earth moving machineries and tipper including benching formation of bunds, breaking clods, sectioning with a extra watering and consolidation by power roller and including hire charges etc. complete complying with standard specifications and as directed by the departmental officers

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/Medium Rock requiring blasting by deploying earth moving machineries including jungle clearince, etc., and conveying with a lead of 10 km the excavator soil to the low lying area/ dumbing yard including levelling etc., complete complying with standard specifications and as directed by the departmental officers

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 bailing out water wherever necessary and refilling the sides of foundation with excavated soil in layers not exceeding 15cm thick, well rammed consolidated and depositing including all initial lead and initial lift etc., complete complying with standard specifications and as directed by the departmental officers.(Open Excavation)

Earth Work Narrow 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 of surface 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.

Earth work in all soils except Medium rock / hard rock requiring blasting and conveying for formation of bund with lead of 1 KM by deploying earth moving machineries and tippers including consolidation benching, formation of bunds, breaking clods, sectioning, etc., complete complying with standard specifications and as directed by the departmental officers

Removal of Silt and other depositions in the tank bed of water spread area using single hydraulic excavators mounted on a single float attached with barge with capacity of 6 m3 each and toeing the unit in more water depth to reach the drying area near tank bund and unloading the materials from barge using hydraulic excavators and loading to the tipper and conveying to the dumping area with a lead of 9 Km including leveling etc., complete complying with standard specifications and as directed by the departmental engineers.

Supplying and erecting centring for vertical plain / RCC concrete walls of supply channel, retaining wall etc of following 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 25 mm x 3 mm for bearing laid silver Oak / Country wood joist of size 7.50 cm x 5.0 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 Centring)

Vertical Centering Height - 0 to 0.90 m

Vertical Centering Height - 0 to 1.80 m

Vertical Centering Height upto to 2.70 m / 3.00 m

Vertical Centering Height 3.00 m to 4.00 m

Vertical Centering Height 4.00 m to 5.00 m

Vertical Centering Height 5.00 m to 6.00 m

Supplying and erecting centering for sides and soffits and strutting upto 3.0 m height for plane surfaces such as RCC works etc, with 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 25 mm x 3 mm for bearing laid silver Oak / Country wood joist of size 10 cm x 6.5 cm spaced @ about 90 cm C / C and supported by Casurina props of 10 cm to 13 cm spaced @ 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 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

Providing and placing in position of Reinforced Cement Concrete M 20 using M Sand and 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 from works centering, shutterng 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 and placing in position of Plain cement concrete M 10 grade using M Sand and hard blue granite broken stone jelly of size 40 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

Providing and placing in position of Plain cement concrete M 20 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 waterwherever necessary laying the concrete in layers of not exceeding 15 cm thick, ccompacting, consolidation, finishing, watering, curing etc., complete complying with standard specifications and as directed by the departmental officers (With vibrators)

Supplying and fixing the Cement Concrete block of size 300 mm X 250 mm X 200 mm of M15 using M sand and hard blue granite broken stone jelly of 20 mm size mixing with mixer machine 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, compacting, consolidation by using vibrators, finishing, watering, curing etc complete complying with standard specifications and as directed by the departmental officers

Brick work with fly ash bricks of size 230mm X 110mm X 70mm in C.M.1:5 (One cement and Five M. sand) including curing etc., complete complying with standard specifications and as directed by the departmental officer.

Supplying and filling with clean river sand in layers of not more than 15 cm thick, well watered, rammed and consolidated etc., complete complying with standard specifications and as directed by the departmental officers

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

Driving holes for Piles of finished diameter of 450mm, Pile length 7.00mm in all kinds of soils, all types of rocks, soft rock, weathered rock, hard rock to the required depth using hydraulic rigs with vertical sludge recycling pump of 20 HP using 53 KV diesel generator including all tools and Plants with necessary accessories for applying Bentonite slurry through pump from tank with required density and by using light crane for lowering and placing the reinforcement cage including lap, welding of reinforcement cage as required with all leads and lifts, interlacing of pile reinforcement into pile cap. Including the cost of disposal of spoils/ slush etc away from the work site without any obstructions to the work with all leads and lifts, labour , pumping , bailing etc, and includes the cost of all preparatory works in forming and maintaining of working platform with their own cost and timely removal therof to the satifaction including dismantling the laitance concrete upto the cut off level for monolothic concreting of pile cap, Providing stacking places, mobilisation and transferring / reinstalling of piliing equipements/ asscessories etc from one location to another with necessary power / service connections as required etc, complete complying with the technical specifications and as directed by the engineer in charge. The rate is excluding of RMC Cement Concrete and steel which will be paid separately and this item is only for driving pile and lowering reinforcement work.

Driving piles in the size of 300mm diameter in the top of foreshore bund/Existing ground with a spacing of 3.0 m center to center using necessary materials for driving piles upto a depth of 3.0m from the GL, as directed by the departmental officers

Plastering with cement mortar 1:4, (one cement and four P sand) 12 mm thick including watering,finishing, curing, etc., complete complying with standard specifications and as directed by the departmental officers

Pointing with cement mortar 1:3 (One cement and three P sand ) to full depth including finishing, watering, curing etc. complete complying with standard specifications and as directed by the departmental officers (Flush pointing)

Painting the walls with Two coats with first class quality Exterior Emulsion paint of approved colour over a priming coat including thorough scraping, clean removal dirt. The rate includes cost of brushes, sand paper, putty wherever required and neat finishing etc., complete complying with standard specifications and as directed by the departmental officer (colour & shade of the cement paint shall be got approved by the Executive Engineer before use of work)

Painting new iron work with two coats of synthetic enamel paint of approved colour and quality over the existing primary coat in all floor including the cost of paint etc., complete complying with standard specifications and as directed by the departmental officers. (The paint to be used should be got approved by the Executive Engineer before use on the work).

Fabricating and fixing with new one of M.S.Grill Gate using M.S. square, Flat, Hollow section with ornamental design as instruction of the Engineering department with necessary required materials of ornamental flowers, etc., The rate is inclusive of cost of materials such as Bolt & Nuts, transporting charges, dismantling charges and necessary welding charges and bending charges etc., complete as directed by the departmental officers.

Paving with rubber moulded hydraulically pressed cement concrete paver block with pattern designs of colour and plain of 63mm of approved quality and colour, over the sand filling to full depth of slab perfectly and neat finishing the joints compressing with vibrator. The rate shall be inclusive of cost of paver block, taxes, incidental charges, transportation charges and labour charges for fixing, neat finishing the joints as directed by the departmental officers etc. complete complying with standard specification. The paver block should got approved by the departmental officers before use on work.

Hiring the hydraulic excavators Ex-200 on use hours basis for removal of accumulated sadiments in etc., Complete complying with standard specifications and as directed by the departmental officers

Dewatering using 7.5 HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. complying with standard specification and as directed by the departmental officers.

Fabricating supplying and fixing of shutter Groove Angle made up of 100 x 100 x 10mm Mild Steel angle for required height including welding hold fast of size 40 x 40 x 6mm 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 Anticorrosive 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 erection of Screw Gearing Steel Shutters of Size above 1.00 m and up to 2.00 m width consist of Skin plate made out of 8mm thick Mild Steel plate and horizontally stiffened with 100x50mm mild steel channel (ISMC) at an interval not more than 0.50m and vertical stiffeners made out of same section at an interval not more than 0.60m and provided with 8mm thick Mild Steel gusset plate of 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, 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 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 Anticorrosive black paint over one coat of red oxide primer. The rate including cost of materials, labours, charges for all fabricating and hoisting equipments, conveyance, conveyance charges for labours and material 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 150 x 75mm (ISMB 150) duly drilled to suit the Head set Assembly with required bed bolt made out of 25 mm 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 2 nos. with required holes. Conveying and leading the top beam arrangements to the worksite. Fixing the top beam arrangements at the top of the vent to correct position including dismantling the existing eroded top beam, conveying and stacking at the section store. The top beam should be painted with two coats of Anticorrosive 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...

Fabricating, Supplying and fixing of Head Set Assembly medium duty (approximate 70 Kg) consist of the bottom and top portions made up of cast iron including moulding, machining and the hexagonal nut made up of gunmetal 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 Anti Corrosive black paint over one coat of red oxide primer. The rate including cost of materials, labours, charges for wooden pattern, moulding and charges for all machining 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...

GST 18 % in Figures

P.P.S. CONSTRUCTION (BID ID -1523903)

M VENKATESHBABU (BID ID -1523529)