Formation of New Reservoir in Kovalam Sub Basin in between ECR and OMR Road in Thiruporur Taluk of Chengalpattu District. (Phase1). Package - 2 Western and Northern side

Amount

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

Earth work in all soils except hard rock requiring blasting and conveying with lead of 4 KM by deploying earth moving machineries to low lying area by tippers excluding consolidation benching, formation of bunds, breaking clods, sectioning, inculding levelling etc., complete complying with standard specifications and as directed by the departmental officers (Unsuitable earth Conveyance to low lying area with 4Km lead)

Earth work in all soils except Medium rock / hard rock requiring blasting conveying for Formation of bund with a lead 2 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 (Formation of Overburden berm and Spoil berm with 2 Km lead with consolidation)

Earth work in all soils except Medium rock / hard rock requiring blasting conveying for Formation of bund with a lead 4 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. (Formation of Overburden berm and Spoil berm with 4 Km lead with consolidation)

Earth work in all soils except Medium rock / hard rock requiring blasting conveying for Formation of bund with a lead 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 (Embankment SPZ formation from near by tanks)

With lead of 14 km

With lead of 11 km

With lead of 9 km

Earth work in all soils except Medium rock / hard rock requiring blasting conveying for Formation of bund with a lead 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 (Embankment IPZ formation from near by tanks)

With lead of 14 km

With lead of 11 km

With lead of 9 km

Supplying and turfing ( 5 cm thick ) the front and rear slopes of the bund including initial watering with a lead of 50 m, conveying the turf with a necessary lead for turfing including trimiming rear side slope, laying and watering for 15 days etc., complete complying with standard specifications and as directed by the departmental officers

Supplying and spreading of gravel including stacking the same for premeasurements and watering consolidation by power roller, ramming etc., complete complying with standard specifications and as directed by the departmental officers

Supplying and fixing in position of demarcation R.C.C. pre cast post in Sulphate resistance Cement concrete of grade M 20 using graded hard blue granite broken stone jelly of 20 mm size with M.Sand mixing with mixer machine of size 0.23 x 0.23 x 2.70 M and 1.0 x 1.0 x 0.80 m base fixing the post 0.60 Cm depth below ground level, the post includes using 4 numbers of 10 mm Anti Corrisive steel RTS main rod to a length of 2.625 M, using 8 mm Anti Corrisive steel RTS @ 15 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 10 cm of grade M 10 using graded hard blue granite broken stone jelly with M.Sand mixing with mixer machine of 40 mm, and the post embedded by using SRC Cement concrete of grade M15 using graded hard blue granite broken stone jelly of 60% of 40mm and 40% of 20mm size with M.Sand mixing with mixer machine 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, including cost of preparing yard, lifting by using crane,, conveying the post to the particular location by using tipper and preparing the site by using hydraulic excavator both at yard & post location, including hire, labour, crew charges for transportation, 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

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 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.(Open excavation with a lead 1 km)

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 (Narrow Excavation)

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 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.(Open excavation)

Providing and placing in position of Plain Cement Concrete (Sulphate Resistant cement) M 15 using M sand and hard blue granite broken stone jelly of size 40 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

For works above upto 1.50 m below G.L

For works above 1.50m.to 4.50 m Below G.L

For works above 4.50m to 9.00m. Below G.L

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 Centering)

Vertical centering- Upto 0.90 m Height

Vertical centering- Upto 2.70/3.00 m Height

Vertical centering- 3.00 to 4.00 m Height

Vertical centering- 4.00 to 5.00 m Height

Vertical centering- 5.00 to 6.00 m Height

Vertical centering- 6.00 to 7.00 m Height

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. (Curved Centering)

Upto 2.70/3.00 m Height

3.00 to 4.00 m Height

4.00 to 5.00 m Height

Supplying and filling with sand gravel mix (30:70) in layers below the apron, Abutment, wing walls and return wall 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

Providing and placing in position of Plain Cement Concrete (Sulphate Resistant cement) M 20 grade using M sand and graded hard blue granite broken stone jelly of 60% of 40 mm size and 40% 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

For works above upto 1.50m below G.L

For works above 1.50m.to 4.50m below G.L

For works above upto 4.50 m height above G.L

For works above 4.50 m above height above G.L

Providing and placing in position of Plain Cement Concrete (Sulphate Resistant cement) 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 form works, centring, shuttering and steel fabrications compacting, consolidation, by using vibrator, finishing, watering, curing, etc complete complying with standard specifications and as directed by the departmental officers.

For works above upto 1.50m below G.L

For works above 1.50m.to 4.50m below G.L

Supplying and laying of ready mix for M 25 grade of concrete having characteristic strength not less than specified in the IS:456-2000 using Sulphate Resistant cement with minimum cement content of 300 kg / Cu.m confirming to IS 8112. Coarse aggregates having a specific gravity of 2.60 using 20 mm downgraded hard blue granite broken stone jelly and fine aggregates without fly ash 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 32oc. 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]. Including the cost of hire charges for pump & pumping charges to the required location and levels as specified by the Engineer–in–charge, Curing, testing, laying, compacting, consolidation by using vibrators, finishing, watering, testing charges as per IS 456–2000, 4031–(Part 3 & 6)/1988(2005) & (Part2)/1999(2004) and 516/1959(2004),4926 – 1976(1990), mix design details to be got and approved before commencement of the work adopting pour card system and other OK cards. Excluding the cost of form works, centering and shuttering and cost of reinforcement grills placed in the position etc, complete complying with standard specifications and as directed by the departmental officers (RCC Works)

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 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)

Supply fabricating and placing in position Anticorrosive Steel or Ribbed Tor Steel upto 16mm dia for all RCC works as per design given including cost of steel, epoxy coating, binding wire and labour charges for cutting, bending, laying in position and tying with binding wire, etc. complete complying with standard specification 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

Rough stone dry packing for apron and revetment using new stones obtained from approved sources including the cost of new stones wedges for filling the gaps, finishing, 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 80mm, 63mm, 50mm, 40mm, 25mm, 20mm, 12mm and 10mm in equal proportions for formation of filter drains and filter bed etc complete complying with standard specifications and as directed by the departmental officers

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 packing in gaps between cement concrete blocks including cost of gravel and filling charges to full depth and stacking for premeasurements etc complete complying with standard specifications and as directed by the departmental officers

Supplying and placing in position of plain cement concrete blocks of size 1.50 x 1.50 x 0.90m of M 15 (Sulphate Resistant cement) grade concrete using Sand and hard blue granite broken stone jelly of size 20 mm mixing with mixer machine and laying in rows including dewatering wherever necessary, compacting, consolidation by using vibrators, finishing, watering, curing including the cost of erecting and centering including necessary support for plain surfaceses for concrete block of size 1.50 m X 1.50 m X 0.90 m using (Anti corrosive Steel) MS sheets of size 1.50 m X 0.90 m of 10 gauge stiffened with MS angle of size ISS 25 mm X 25 mm X 3 mm supported by MS flats of size 25 mm X 3 mm, conveyance to site with all labour charges etc. complete complying with standard specifications and as directed by the departmental officers

Dewatering using 20 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.

Supplying and placing in position of Weep holes for retaining walls using 110 mm dia PVC Pipe heavy duty (PVC / Finolex ) 4Kg/cm2 including cost of all materials and labour charges etc complete complying with standard specifications and as directed by the departmental officers.

Supplying and fixing PVC Water Stopper heavy duty of 300 mm width as per IS 15058/2001, including cost of all materials, labour charges, etc complete complying with standard specifications and as directed by the departmental officers.

Supplying and fixing Bitumen pad of thickness 20mm confirming to IS 1838 for joints including cast of all material and laburs etc., complete complying with standard specification and as directed by the departmental officers.

Design, drawing, Fabrication, supply & erection of embedded parts suitable for Inlet regulator shutter arrangements of vent size 9000x3000 mm as per IS 4622 : 2020. The embedded parts consists of sill beam made of ISMB 150, Sill flat made of 80x6mm SS 316 gr. Flat. The Roller girders shall be made of ISMB 150 and roller flat made of 80x10mm SS 316 gr. flat and the groove channel shall be made of ISMC 300mm. The side seal seat made of SS 316 gr. flat 80x6mm and anchor rods made with 12mmØ MS material. The welding shall be done as per standard procedures and the burr and slag shall be removed by grinding the top of welds. A good weld is as strong as the base metal. A suitable electrode shall be chosen and welded with a good welding equipment and a trained welder. All non-metallic substances shall be removed in the weld joints before commencement of welding. After welding, a thorough visual inspection shall be done for porosity, blowholes, unfused welds, unfilled craters, undercuts, burning & poor weld appearance, etc. The mild steel structural surfaces shall be blast cleaned to SA 2 ½ finish, after fabrication prior to painting. Heavy deposits of grease or oil may be removed, prior to sand blasting. The average surface profile / roughness after sand blasting shall be 75 - 100µ. Over the blast cleaned surface, thermal spraying of Aluminium wire shall be applied within four hours of blast cleaning. The Aluminium 99.50% wire composition shall confirm with IS 2590-1987 / ASTM B833-06. The total thickness of 150µ shall be sprayed as per IS 6586-1989 and 5905-1989 and reference with ISO 2063:1991. Over metalized surface one coat of Epilux 45 epoxy zinc phosphate primer shall be applied to a dry film thickness of 50±5µ. Then finish coat shall consist of two coats of coal tar epoxy paint. It shall be applied at an interval of 24 hours. Each coat shall give a dry film thickness of 100 - 125µ. The cost includes cost of materials, cost of consumables like welding rods, grinding wheels, oxygen & acetylene gas, oil & diesel for generator, process charges like gas cutting & welding, drilling, hire charges for machinery like gas cutting equipment, welding equipment, magnetic drilling machine, generator, grinding machine, compressor, airless spray machine, thermal spray equipment , hoisting equipments like chain pulley block, derrick post, labour charges for loading, lifting, unloading, transport erection, scaffolding, conveyance to site and clearing them after completion of work, warranty for 5 years etc., complete complying with standard specifications and as directed by the departmental officers. The necessary design and drawings as per IS code should be furnished by the tenderer for getting the necessary approval from the competent authority by this department before commencement of the shutter works. Design and drawing should be furnished along with the pre - qualification documents.

Design, drawing, Fabrication, supply & erection of Inlet regulator shutter of vent size 9000x3000mm as per IS 4622:2020. The skinplate shall be made of 12mm thick MS plate on both sides, end vertical made of 12 mm MS plate and horizontal girder with ISMB 350, top angle with 100x100x10mm, diaphram plate with 8mm thick. The wheels shall be made of EN9 steel of 200mm Ø and wheel pin with 50mm Ø made of 30CR -13 grade material. Side rubber seal shall be of 'P' type with side seal cover plate of 50x10mm thick. The bottom rubber seal shall be 12mm thick and of flat type. Lifting plate shall be 16mm thick. The welding shall be done as per standard procedures and the burr and slag shall be removed by grinding the top of welds. A good weld is as strong as the base metal. A suitable electrode shall be chosen and welded with a good welding equipment and a trained welder. All non-metallic substances shall be removed in the weld joints before commencement of welding. After welding, a thorough visual inspection shall be done for porosity, blowholes, unfused welds, under cuts, under cutting, burning & poor weld appearance, etc. The gate surfaces shall be blast cleaned to SA 2 ½ finish , after fabrication prior to painting. Heavy deposits of grease or oil may be removed, prior to sand blasting. The average surface profile / roughness after sand blasting shall be 75 - 100µ. Over the blast cleaned surface, thermal spraying of Aluminium wire shall be applied within four hours of blast cleaning. The Aluminium 99.50% wire composition shall confirm with IS 2590-1987 /ASTM B833-06. The total thickness of 150µ shall be sprayed as per IS 6586-1989 and 5905-1989 and reference with ISO 2063:1991. Over metalized surface one coat of Epilux 45 epoxy zinc phosphate primer shall be applied to a dry film thickness of 50±5µ. Then finish coat shall consist of two coats of coal tar epoxy paint. It shall be applied at an interval of 24 hours. Each coat shall give a dry film thickness of 100 - 125µ. The cost includes cost of materials, cost of consumables like welding rods, grinding wheels, oxygen & acetylene gas, oil & diesel for generator, process charges like gas cutting & welding, drilling, hire charges for machinery like gas cutting equipment, welding equipment, magnetic drilling machine, generator, grinding machine, compressor, airless spray machine, thermal spray equipments, hoisting equipments like chain pulley block, derrick post, labour charges for loading, lifting, unloading, transport erection, scaffolding, conveyance to site and clearing them after completion of work, warranty for 5 years rubber seal, etc., complete complying with standard specifications and as directed by the departmental officers. The necessary design and drawings as per IS code should be furnished by the tenderer for getting the necessary approval from the competent authority by this department before commencement of the shutter works. Design and drawing should be furnished along with the pre - qualification documents.

Design, drawing, fabrication, Supply & Erection of steel deck bridge for the vent size of 9000x3000mm. The total size of the deck bridge shall be 10950x2000mm. The main load bearing girders shall be made of ISMB 400. The cross girder for seating of worm hoist shall be made of ISMC 150. The main girder shall be welded to the base plate of required size and fastened to the masonary through foundation bolt. The cross stiffeners shall be ISMC 100 x 50 welded to the main girders. Additional angles ISA 35x35x6mm shall be provided in between the cross stiffener to accommodate composite chequered plate. The composite chequered plate shall be 6mm thick of size 10950x2000mm. The hand rails ISA 75x75x8mm shall be fastened to the cross stiffeners at either ends. Galvanized iron pipe of diameter 25mm shall be inserted into the handrail angles. Blast cleaning to SA 2 1/2 standard over which epoxy primer to a thickness of 40 to 60 µ shall applied and the intermediate coat of micaceous iron oxide shall be provided over the primer. The dry film thickness of MIO shall be 70±5µ. The finish coat shall be applied with polyurethane Aluminium of 2 coats. The dry film thickness of the finish coat shall be provided 35±5µ as per IS 14177-1994. The cost includes cost of materials, cost of consumables like welding rods, grinding wheels, oxygen & acetylene gas, oil & diesel for generator, process charges like gas cutting & welding, drilling, hire charges for machinery like gas cutting equipment, welding equipment, magnetic drilling machine, generator, grinding machine, compressor, airless spray machine, hoisting equipments like chain pulley block, derrick post, labour charges for loading, lifting, unloading, transport erection, scaffolding, conveyance to site and clearing them after completion of work, warranty for 5 years etc., complete complying with standard specifications and as directed by the departmental officers. The necessary design and drawings as per IS code should be furnished by the tenderer for getting the necessary approval from the competent authority by this department before commencement of the shutter works. Design and drawing should be furnished along with the pre - qualification documents.

Supplying and fixing of Diesel Generator Set (58.5 KVA) with acoustic enclosure conforming to CPCB IV+ Norms and BIS Specifications along with the AMF panel on the site location and as complete complying with standard specifications and as directed by the departmental officers.

Design, drawing, fabrication, Supply & Erection of worm gear and electrical mechanisation arrangements in the regulator vertical shutter. wormnut hoist comprising of a screw rod made of 75mm Ø MS Rod . The screw rod shall be connected to the shutter. Wormnut hoist to suit 75mm screw rod shall be provided. The worm wheel shall be made of phosphor bronze with 175mm OD with 25 teeth x 25mm circular pitch. Thrust ball bearings should be provided on either side of the worm wheel. Oil seal of size 110x135x13 shall be provided on either side of the worm wheel. A cast iron cover shall be provided over the whole arrangement. MS Worm 75mm ID & 25mm, pitch double thread shall be provided. Thrust ball bearing O - 12 shall be provided on either side of worm. A wormnut stand of height 740mm & 300mm at the top & 500mm at the bottom shall be provided with 16mm MS plate. The geared motor 2 HP with reversible, 2 HP 400 - 440V shall be connected with worm hoist. The gear wheel made of cast steel as per IS 1030, pinion wheels made of EN9 and necessary shafts shall be made of carbon steel grade. Necessary wiring from mains and starter for motor, control panel and change over panel shall be provided as per site condition. A dust & corrosion proof composite cover shall be provided to safegaurd the motor form rain & shine. All smooth operations shall be carried out as directed by departmental officers. The cost includes cost of all materials, cost of consumables like welding rods, grinding wheels, oxygen & acetylene gas, diesel & oil for generator, process charges like gas cutting, welding, labour charges for dismantling, loading, lifting, unloading, transport, erection, hire charges for equipments like chainpulley block, welding machine, cutting set, grinding machine, power charges for generator, conveyance to site and clearing them after completion of work, including cost of trial operation, complete complying with standard specifications and as directed by the departmental officers..The necessary design and drawings as per IS code should be furnished by the tenderer for getting the necessary approval from the competent authority by this department before commencement of the shutter works. Design and drawing should be furnished along with the pre - qualification documents.

GST 18 % in Figures

ANNAI INFRA DEVELOPERS LIMITED (BID ID -1519527)