Construction of Straight-Cut Flood Escape Channel from South Buckingham Canal near Okkiyam Maduvu to Sea in Chennai district for flood relief to fringe areas around Pallikaranai Swamp.

Amount

Dismantling, clearing away and carefully stacking materials useful for re-use for any thickness of Reinforced cement concrete by deploying machinery 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)

Supplying and Spreading stone dust for levelling etc., complete complying with standard specifications and as directed by the departmental officers.

Regrading the river bed including jungle clearance deploying the heavy machinery like dozer on use hour basis including cost of hire charges, fuel, labour etc, complete complying with standard specifications and as directed by the departmental officers (Dozer - D50A15)

Supplying and erecting centring for vertical plain / RCC Concrete walls of supply channel, retaining wall etc, height as follows with necessary supports, all cross bracing with mild steel size of 90cm x 60cm and gauge BG 10 stiffened with welded mild steel sheet angle size 25mm x 25mm x3mm for bearing laid silver oak / country wood joist of size 7.5cm x 5cm spaced @ about 90cm c/c supported be casurina props of 10cm to 13cm spaced @ 75cm c/c etc, complete complying with standard specifications and as directed by the Engineer in charge of works.(Veritical Centering)

Vertical surface Upto 0 - 3m.

Vertical surface Upto 3m - 4m

Vertical surface Upto 4m - 5m

Vertical surface Upto 5m - 6m

Vertical surface Upto 6m - 7m

Vertical surface Upto 7m - 8m

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 and erecting centring for vertical plain / RCC concrete walls of supply channel, retaining wall etc specified 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 (Curved Centering)

Supplying, fabricating and placing in position anticorrosive Mild Steel / anticorrosive 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 laying of ready mix for M 15 grade of concrete having charaterstic strength not less than specified in the IS 456 - 2000 using Sulphate Resistant cement with minimum cement content of 240 Kg / cum confirming to IS 8112. Coarse aggregates having a specific gravity of 2.60 using 20 mm & down graded hard blue granite broken stone jelly and fine aggregate without flyash as per IS 383 - 1970 ( 2007 ) with suitable water cement ratio not less than 0.45 and not exceeding 0.50 of water quality confirming to IS 456 - 2000 including use of plasticizer of approved make & dosage of required grade at all locations and levels with specified high workability as per IS 1199 - 1959 ( 2004 ). The initial & final setting time confirming IS 12269 - 1987 ( 2004 ) with maximum temperature of concrete at the time of placing should not exceed 32 0 C. The admixtures affecting the quality and strength of the concrete should not be used and should confirm IS 9103 - 1979 [ usual admixture - Air entraining & water reducing ]. Iincluding the cost of hire charges for pump and pumping charges to the required locations & levels as specified by the Engineer - in - charge,. laying, compacting, consolidation by using vibrators, finishing, watering, curing, testing charges as per IS 456 - 2000, 4031 - ( Part 3 & 6 ) / 1988 ( 2005 ) & ( Part 2 ) / 1999 ( 2004 ) and 516 / 1959 ( 2004 ), 4926 - 1976 ( 1990 ), mix design details to be got approved before commencement of the work adopting pour card system and other OK cards. Excluding the cost of form works, centering and shuttering placed in position etc, complete complying with standard specifications and as directed by the departmental officers. (PCC Work)

Casting Precast Reinforced cement concrete unit of following size, stacking, curing, transporting and erection at required place including Preparation of casting yard comprising Earth work and conveying deploying earth moving machineries and tippers including breaking clods, sectioning, levelling, for forming the base course and granular sub base using Rubbish and stonedust and forming wmm base course and concrete layers of PCC M 10 60 : 40 and RMC M 15 grade of concrete with surface Reinforcement,Manufacturing of precast mould with suitable base channel ISMC 100 x 50mm and 8mm tk base plate, outer and inner 10mm tk plate, ISA 75 x 75mm tk angles, stiffeners for both side 100 x 50 ISMC Channel for casting the RCC unit and oiling the and placing the mould in position in the yard and placing the required steel fabrication using suitable cranes as per required (40 to 80 MT) as per design and concreting with RMC M 30 Concrete having characteristic strength not less than specified in the IS 456 - 2000 using Sulfate Resisting Cement with minimum cement content confirming to IS 8112. Coarse aggregates having a specific gravity of 2.60 using 20 mm down graded hard blue granite broken stone jelly and fine aggregate with flyash as per IS 383 - 1970 ( 2007 ) with suitable water cement ratio not less than 0.40 and not exceeding 0.50 of water quality confirming to IS 456 - 2000 including use of plasticizer of approved make & dosage of required grade at all locations and levels with specified high workability as per IS 1199 - 1959 ( 2004 ). The initial & final setting time confirming IS 12269 - 1987 ( 2004 ) with maximum temperature of concrete at the time of placing should not exceed 32 0 C. The admixtures affecting the quality and strength of the concrete should not be used and should confirm IS 9103 - 1979 [ usual admixture - Air entraining & water reducing ]. Iincluding the cost of hire charges for pump and pumping charges to the required locations & levels as specified by the Engineer - in - charge,. laying, compacting, consolidation by using vibrators, finishing, watering, curing, testing charges as per IS 456 - 2000, 4031 - ( Part 3 & 6 ) / 1988 ( 2005 ) & ( Part 2 ) / 1999 ( 2004 ) and 516 / 1959 ( 2004 ), 4926 - 1976 ( 1990 ), mix design details to be got approved before commencement of the work adopting pour card system and other OK cards including the cost of form works, centering and shuttering placed in position etc, and Loading the precast unit into the trailer using suitable cranes and conveying from the Stocking yard to Working site by trailer of suitable capacity and unloading at the work site using cranes with required nos of labours. Protecting the working area by proper shoring and strutting and Shifting and placing the Precast unit in the required alignments using suitable capacity of cranes with required nos of labours and jointing the precast box units with Special Chemical Grouting and filling the sides of the precast unit by refilling with Earth including all materials, tools & plants, mobilisation & tranferring / reinstalling from one location to another, including other incidental charges, and all kinds of labour chargescomplete complying with standard specification and as directed by the departmental officers.

Supplying and laying of ready mix for M 20 grade of concrete having charaterstic strength not less than specified in the IS 456 - 2000 using Sulphate Resistant cement with minimum cement content of 300 Kg / cum confirming to IS 8112. Coarse aggregates having a specific gravity of 2.60 using 20 mm down graded hard blue granite broken stone jelly and fine aggregate without flyash as per IS 383 - 1970 ( 2007 ) with suitable water cement ratio not less than 0.45 and not exceeding 0.50 of water quality confirming to IS 456 - 2000 including use of plasticizer of approved make & dosage of required grade at all locations and levels with specified high workability as per IS 1199 - 1959 ( 2004 ). The initial & final setting time confirming IS 12269 - 1987 ( 2004 ) with maximum temperature of concrete at the time of placing should not exceed 32 0 C. The admixtures affecting the quality and strength of the concrete should not be used and should confirm IS 9103 - 1979 [ usual admixture - Air entraining & water reducing ]. Iincluding the cost of hire charges for pump and pumping charges to the required locations & levels as specified by the Engineer - in - charge,. laying, compacting, consolidation by using vibrators, finishing, watering, curing, testing charges as per IS 456 - 2000, 4031 - ( Part 3 & 6 ) / 1988 ( 2005 ) & ( Part 2 ) / 1999 ( 2004 ) and 516 / 1959 ( 2004 ), 4926 - 1976 ( 1990 ), mix design details to be got approved before commencement of the work adopting pour card system and other OK cards. Excluding the cost of form works, centering and shuttering placed in position etc, complete complying with standard specifications and as directed by the departmental officers. (PCC Work)

Supplying and laying of ready mix for M 20 grade of concrete having charaterstic strength not less than specified in the IS 456 - 2000 using Sulphate Resistant cement with minimum cement content of 300 Kg / cum confirming to IS 8112. Coarse aggregates having a specific gravity of 2.60 using 20 mm down graded hard blue granite broken stone jelly and fine aggregate without flyash as per IS 383 - 1970 ( 2007 ) with suitable water cement ratio not less than 0.45 and not exceeding 0.50 of water quality confirming to IS 456 - 2000 including use of plasticizer of approved make & dosage of required grade at all locations and levels with specified high workability as per IS 1199 - 1959 ( 2004 ). The initial & final setting time confirming IS 12269 - 1987 ( 2004 ) with maximum temperature of concrete at the time of placing should not exceed 32 0 C. The admixtures affecting the quality and strength of the concrete should not be used and should confirm IS 9103 - 1979 [ usual admixture - Air entraining & water reducing ]. Iincluding the cost of hire charges for pump and pumping charges to the required locations & levels as specified by the Engineer - in - charge,. laying, compacting, consolidation by using vibrators, finishing, watering, curing, testing charges as per IS 456 - 2000, 4031 - ( Part 3 & 6 ) / 1988 ( 2005 ) & ( Part 2 ) / 1999 ( 2004 ) and 516 / 1959 ( 2004 ), 4926 - 1976 ( 1990 ), mix design details to be got approved before commencement of the work adopting pour card system and other OK cards. Excluding the cost of form works, centering and shuttering placed in position etc, complete complying with standard specifications and as directed by the departmental officers. (RCC Work)

Supplying and laying of ready mix for M 25 grade of concrete having charaterstic strength not less than specified in the IS 456 - 2000 using Sulphate Resistant cement with minimum cement content of 300 Kg / cum confirming to IS 8112. Coarse aggregates having a specific gravity of 2.60 using 20 mm down graded hard blue granite broken stone jelly and fine aggregate without flyash as per IS 383 - 1970 ( 2007 ) with suitable water cement ratio not less than 0.45 and not exceeding 0.50 of water quality confirming to IS 456 - 2000 including use of plasticizer of approved make & dosage of required grade at all locations and levels with specified high workability as per IS 1199 - 1959 ( 2004 ). The initial & final setting time confirming IS 12269 - 1987 ( 2004 ) with maximum temperature of concrete at the time of placing should not exceed 32 0 C. The admixtures affecting the quality and strength of the concrete should not be used and should confirm IS 9103 - 1979 [ usual admixture - Air entraining & water reducing ]. Iincluding the cost of hire charges for pump and pumping charges to the required locations & levels as specified by the Engineer - in - charge,. laying, compacting, consolidation by using vibrators, finishing, watering, curing, testing charges as per IS 456 - 2000, 4031 - ( Part 3 & 6 ) / 1988 ( 2005 ) & ( Part 2 ) / 1999 ( 2004 ) and 516 / 1959 ( 2004 ), 4926 - 1976 ( 1990 ), mix design details to be got approved before commencement of the work adopting pour card system and other OK cards. Excluding the cost of form works, centering and shuttering placed in position etc, complete complying with standard specifications and as directed by the departmental officers. (PCC Work)

Supplying and laying of ready mix for M 30 grade of concrete having charaterstic strength not less than specified in the IS 456 - 2000 using Sulfate Resisting cement with minimum cement content of 300 Kg / cum confirming to IS 8112. Coarse aggregates having a specific gravity of 2.60 using 20 mm down graded hard blue granite broken stone jelly and fine aggregate without flyash as per IS 383 - 1970 ( 2007 ) with suitable water cement ratio not less than 0.45 and not exceeding 0.50 of water quality confirming to IS 456 - 2000 including use of plasticizer of approved make & dosage of required grade at all locations and levels with specified high workability as per IS 1199 - 1959 ( 2004 ). The initial & final setting time confirming IS 12269 - 1987 ( 2004 ) with maximum temperature of concrete at the time of placing should not exceed 32 0 C. The admixtures affecting the quality and strength of the concrete should not be used and should confirm IS 9103 - 1979 [ usual admixture - Air entraining & water reducing ]. Iincluding the cost of hire charges for pump and pumping charges to the required locations & levels as specified by the Engineer - in - charge,. laying, compacting, consolidation by using vibrators, finishing, watering, curing, testing charges as per IS 456 - 2000, 4031 - ( Part 3 & 6 ) / 1988 ( 2005 ) & ( Part 2 ) / 1999 ( 2004 ) and 516 / 1959 ( 2004 ), 4926 - 1976 ( 1990 ), mix design details to be got approved before commencement of the work adopting pour card system and other OK cards. Excluding the cost of form works, centering and shuttering placed in position etc, complete complying with standard specifications and as directed by the departmental officers. (RCC Work)

Manufacturing, supplying and fixing of Cement Concrete blocks of following size 1.50mx1.50mx0.90m in M 15 using Graded mix of 20mm gauge hard granite stone jelly including cost of moulding charges, casting of slabs, finishing, curing and fixing in position and transportation etc., complete complying with standard specification and as directed by the Departmental Officers.

Removal of sludge, slush, silt, debris, plastic waste, water weeds, using appropriate special machineries like amphibian desilter along the cutter section having maximum capacity of 300cum solids per hour which can desilt to a maximum of 8.00m depth and dispose the desilted material to a maximum of 4Km on either one of the outer slope of river banks whichever is convenient as per the prevailing site conditions for easy conveyance and jungle clearance by pumping operation along with suitable pipeline and other required accessories with other mechanical devices for the entire stretch to reach the bank. the rates including cost of transportation, Mobilization and demobilization of machinery, hire charges, cost of fuel, labour charges for surveying and operation of dredger, crew and other related works etc.complete complying with standard specifications and as directed by the departmental officers

Dewatering using 7.50HP 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.

Hire charges for the Hydraulic excavator on use hours basis for removal of accumulated sediments in etc., Complete complying with standard specifications and as directed by the departmental officers

Supplying and laying with graded hard blue granite broken stone jelly of varying of size from 80 mm to 10 mm in equal proportions for formation of filter drains and filter bed as shown in drawing etc complete complying with standard specification and as directed by the departmental officers

Providing jeddy stone revetment for launching apron using new stones of size 300 mm thick and weight of stone not less than 45 kg complete as per standard specification as directed by the engineer in charge of work.

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 specification and as directed by the departmental officers.

Fabricating, supplying and fixing of 100mm 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, etc., complying with standard specifications and as directed by the departmental officers.

Fabricating, supplying and fixing of Shutter Groove Angle made up of 150x150x12mm Mild Steel angle for required height including welding hold fast of size 50x50x6mm 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.

Supplying and fixing of Horn Type Head Set Assembly Heavy duty consist of the bottom and top portions (Approximate 150 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 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.

Fabricating, Supplying and fixing of Top Beam made up of 300x140mm (ISMB 300) 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 0.90m with necessary Fish plate made out of 20mm mild steel plate of size 0.23x 0.30m 2 Nos to place the beam in position including petty civil works and painting with two coats of Anticorrosive black paint with one coat Red Oxide primer etc., including dismantling old beam conveying, loading and unloading and stacking to section store 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 rubber seal - Z type 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.

GST 18 % in Figures

Sri Sivaram and co (BID ID -1401223)