Regrading the bed of Lower Paravanar and formation of a New Flood Diversion Canal from Aruvalmooku Stretch to Sea in Kurinjipadi Taluk of Cuddalore District

Amount

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

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

Earth work excavation in all soils except Medium rock/hard rock requiring blasting and conveying a lead 0 m to 100 m by deploying earth moving machineries and tippers excluding benching formation of bunds, breaking clods, ramming, sectioning, etc. complete complying with standard specifications and as directed by the departmental officers

Earth work excavation in all soils except Medium rock/hard rock requiring blasting and conveying to low lying area for formation of bund with 5Km lead by deploying earth moving machineries and tippers excluding benching formation of bunds, breaking clods, ramming, sectioning, etc. complete complying with standard specifications and as directed by the departmental officers

Earth work excavation deploying earth moving machinery for desilting channel having a width of more than 10m excluding forming bund on either side and depositing the earth with lead of 5Km including jungle clearance etc complete complying with standrad specifications and as directed by the departmental officers

Dredging the River Backwaers for removal of the deposited silt/slush in order to have a easy exchange of tides and to discharge the flood water into sea during flood season in backwaters using special machineries like dredger along with cutter section having a minimum cpacity of 300 Cum solids per hour which can dredge to a maximumm depth of 8.0m and dispose the dredged materials to a maximum distance of 4kms on either one of the outer slope of river banks whichever is convenient as per prevailing site conditions for easy conveyance and including jungle clearance etc., by pumping operation along with suitable pipe line & other required accesories with other mechanical devices for the entire stretch to reach the bank. The rates including cost of trasportation, mobilization and demobilazation 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.

Earth work excavating and depositing on bank with initial lead of 10m & initial lift of 2m in Sand, silt or other loose soil, wet sand or silt not under water, light black cotton soil, sandy loam and ordinary soil including excavated earth etc complete complying with standard specifications and as directed by the departmental officers. ORDINARY SOIL (SS20B) (Narrow excavation)

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

Providing and placing in position of plain cement concrete M 10 grade (Suplphate resistant cement) using M. Sand 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 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 (Suplphate resistant cement) using M. Sand 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

Below G.L upto 1.50m depth

Below GL 1.50m to 4.50m depth

Below GL 4.50m to 9.00m depth

Above GL Upto 4.50m height

Above GL above 4.50m height

Providing and placing in position of plain cement concrete M 15 (Suplphate resistant cement) using M. Sand 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

Below G.L upto 1.50m depth

Below Ground Level upto 1.50 m to 4.50m Depth

Supplying and laying of ready mix for the M25 grade using M. Sand 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 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 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 ]. including 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, shuttering and cost of reinforcement grills placed in position etc, complete complying with standard specifications and as directed by the departmental officers.(RCC M25)

Providing and placing in position of plain cement concrete M 15 grade (Suplphate resistant cement) using M. Sand graded hard blue granite broken stone jelly of 60% of 40 mm size and 40% of 20 mm size mixing with mixer machine and laying in layers oincluding 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

Below G.L upto 1.50m depth

Providing and placing in position of plain cement concrete M 20 (Sulphate resistant cement) using M. Sand 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, finishing, by using vibrators, watering, curing etc. complete complying with standard specifications and as directed by the departmental officers

Below GL Upto 1.50m depth

Below GL 1.50m to 4.50m depth

Above GL Upto 4.50m height

Providing and placing in position of Reinforced Cement Concrete M 20 (Sulphate resistant cement) using M. Sand 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

Below GL Upto 1.50m depth

Below GL 1.50m to 4.50m depth

Above GL apove 4.50m height

Supplying and laying porous (Sulphate Resistance) concrete plugs of 1:4 mix (one Cement and four jelly) using hard blue granite broken stone jelly of size 20 mm for 10 cm dia, 30 cm long including mixing, laying, finishing, curing, etc., complete complying with standard specifications and as directed by the departmental officers

Supplying, fabricating and placing in position of Anti Corrosive 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

Supplying and laying with graded hard blue granite broken stone jelly of varying of size from 80 mm, 63 mm, 50 mm, 40 mm, 25 mm, 20 mm, 12 mm and 10 mm in equal proportions for formation of filter drains and filter bed as shown in drawing 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

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 placing in position of plain cement concrete blocks of size 1.50x1.50x0.90m of M 20 grade concrete (Sulphate resistance cement) using M. Sand 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 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

Gravel backing for apron / revetment / retaining wall in layers not exceeding 15 Cm thick including stacking for premeasurement, 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

Supplying and erecting centering for vertical plain / RCC concrete walls of supply channel, retaining wall etc for 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

Upto 0.90m height

Upto 1.80m height

Upto 2.70/3.00m height

For 3.00m to 4.00m height

For 4.00m to 5.00m height

For 5.00m to 6.00m height

For 6.00m to 7.00m height

For 7.00m to 8.00m height

For 8.00m to 9.00m height

Supplying and fixing in position of demarcation R.C.C. pre cast post in Cement concrete (Sulphate resistance cement) of grade M 15 using M. Sand 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 10 mm RTS main rod to a length of 1.33 M, using 8 mm MS @ 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 (45x45x45cm) 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 of 10 cm thick, and the post embedded by using Cement concrete of grade M10 with well graded aggregates and the nominal maximum size of coarse aggregate of 20 mm of 30cm thick as per the drawing enclosed including cost of earth work, concrete, moulding charges, steel reinforcement, finishing, painting them and marking at top of post, etc .complete complying with standard specifications and as directed by the departmental officers

Dewatering using 70 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. Hire charges for Diesel pumpset for 70HP (as per TWAD rate)

Supplying and fixing of PVC pipe 110 mm dia (4Kg/cm2) for weep holes provide in the wing walls of either side etc .complete complying with standard specifications and as directed by the departmental officers

Supplying and fixing the Cement concrete block of size 300 mm X 250 mm X 200 mm of M 15 (Sulphate resistance cement) using M. Sand 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

Refilling with excavated soil (other than sand) complying with standard specification for filling in foundation and basement etc complete complying with standard specifications and as directed by the departmental officers

Supplying and Fixing of M.S. Angle of size 25 x 25 x 3.00mm of approved best quality which should be fixed on edges including priming coat of best approved quality red oxide primer etc. complete complying with standard specifications and as directed by the departmental officers

Providing and fixing 200mm thick PVC EXPANSION JOINT inbetween deck slabs over abutment and pier as shown in the drawingincluding cost and conveyance of expansion joints including shalimar pad and joint sealent etc. complete complying with standard specifications and as directed by the departmental officers

Supplying, laying and jointing G.I. Pipes of approved quality and best variety of "B" class pipe of the following dia including labour fixing G.I. Specials, (excluding charges for cutting and threading of pipes, cost of such specials) to wall with necessary teak wood plugs, clamps, screws, thread balls, shellac, etc., making holes on the walls (or) drilling holes in roof and making good the dismantled portions to original condition with necessary scaffolding charges etc., complete in all floors complying with standard specification. G.I.pipes shall be got approved by the Executive Engineer before use of works. G.I.pipe 32mm dia pipe etc .complete complying with standard specifications and as directed by the departmental officers. (TNPWD - 2023-24 SOR)

Design, drawing, Fabrication, supply & erection of embedded parts suitable for scour vent /Tail End Regulator shutter arrangements of vent size 3000x2400/5000x1000 mm as per IS 4622 : 2003. The embedded parts consists of sill beam made of ISMB 150, Sill flat made of 80x6mm SS 304 gr. Flat. The Roller girders shall be made Half cut beam of ISMB 300 and roller flat made of 80x10mm SS 304 gr. flat and the groove channel shall be made of ISMC 200mm/ISMC 250 mm. The side seal seat made of SS 304 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 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, 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, including maintenance & warranty for 5 years etc., complete and as directed by the departmental officers.

Scour vent

Tail end regulator vent

Design, drawing, Fabrication, supply & erection Scour vent/Tail End Regulator shutter of vent size 3000x2400 / 5000x1000 mm as per IS 4622:2003. The skinplate shall be made of 10 mm thick MS plate, end vertical made of 12 mm MS plate and horizontal girder with ISMB 150/ISMB 200, top angle with 100x100x10mm, diaphram plate with 8mm thick. The wheels shall be made of cost steel of 150 mm Ø and wheel pin with 50mm Ø made of 30CR -13 grade material. Side rubber seal shall be of 'Z' type with side seal cover plate of 50x10mm thick. The bottom rubber seal shall be 12mm thick and of flat type. Lifting arrangements shall be made of 'A'"frame. 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 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, 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, including maintenance & warranty for 5 years etc., complete and as directed by the departmental officers.

Scour vent

Tail end regulator vent

Providing worm hoist with top beam arrangements in the Scour vent/Tail End Regulator shutter as per the following specification. Wormnut hoist comprising of a screw rod shall be made of 75mmØ EN8 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 & 380mm at the top & 590mm at the bottom shall be provided with 12mm MS plate. The worm hoist stand shall be placed in over the top beam arrangements. Top beam shall be made of ISMB 250with IS 2062 grade material. Two beams shall be provided parallel to each at an appropriate distance depending on the size of worm gear stand assembly to be placed over the top beam. 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 warranty & maintenance for 5 years etc., cost of trial operation, complete as directed by the departmental officers.

Scour vent

Tail end regulator vent

Design, drawing, fabrication, transport & installation of a operating platform in the Scour vent as per the following specification. The platform shall be necessary to access the shutter operation. The platform shall be of width 2000 mm and the Platform shall be supported with ISMB 200 at either end. The stiffeners shall be provided with 40x40x6 MS Angle throughout the length of the platform. A gusset plate made of 6mm thick MS plate and size 160 x 200mm shall be perpendicularly welded to the outer side of the main girder on either side to weld the vertical posts shall be made of 75x75x6 MS Angle of height 1200 mm. The handrail pipes of dia 25mm made of GI pipes shall be inserted into the holes drilled in the vertical post equidistant from each other on either side of the platform. The platform top shall be finished with 6mm composite chequered plate from end to end throughout the platform for a width of 2000 mm. All joints in the frames shall be neatly welded and ground to give an excellent finish. The Cost includes cost of materials, labour charges, transport, erection, crane hire charges, power charges from a generator at site, loading & unloading charges, conveyance of machinery to & fro from site of work, hire charges for machinery, scaffolding charges , risk allowance for working at a hazardous location at a height of 10m, including warranty & maintenance for 5 years, etc., complete.

Scour vent

Tail end regulator vent

Providing abrasive blast cleaning using air blast cleaning with abrasive aluminium oxide/steel grits/sand as per the following specification. Moisture should not be present on the steel surface during blast cleaning. All, oil, paraffin, grease & dirt shall be removed from the surfaces to be painted primarily before blast cleaning. Then all weld spatter, slag, burrs, loose rust and mill scale and other foreign substances shall be removed by sandblasting. The average surface roughness after sand blasting shall not exceed 35 to 50 µ. Blast cleaning shall confirm to Swedish standard SA 2 1/2 (near white metal). Blast cleaned surfaces showing plate surface defects such as scabs or sharp gouges shall be repaired in an approved manner prior to painting. After blast cleaning, the surface shall be dusted off or blown off with compressed air free of detrimental oil and water. All surfaces to be painted shall be completely dry, clean and free from moisture just prior to and during painting. If rust forms or the surface becomes contaminated in the interval between cleaning and painting, recleaning to the same degree shall be required. All safety precautions like wearing helmets, respirators & grounding of blast hose to dissipate static charges should be adopted as directed by the departmental officers. The cost includes cost all materials, labour charges, hire charges for generator , compressor, hopper, accessories, conveyance of machinery to & fro from site of work, scaffolding charges, consumables like oil & diesel for generator, risk allowance,etc, complete. including maintenance & warranty for 5 years.

Scour vent (Embedded parts)

Tail End Regulator (Embedded parts)

Scour vent (Shutters)

Tail End Regulator (Shutters)

Scour vent (Operating platform)

Tail End Regulator (Operating platform)

Providing metallising on gate/ exposed parts using flame thermal spraying equipment as per the following specification. The metalizing should be applied within four hours of surface preparation of the component structure. Thermal spraying is a cold process and have proven that they provide long term corrosion protection and outperform all other methods. These thermal spray coating provide corrosion protection by excluding the environment and acting as a barrier coating and they also provide sacrificial anodic protection. These coating are typically mechanically bonded to a grit blasted surface. Aluminium wire composition as per ASTM standard B833-09 shall be continuously melted in an gas flame spray gun with 150µ thickness. Droplets of molten metal from the wire shall be deposited onto the steel forming the protective coating and this avoid corrosion for a long term. The process shall be carried out as per ISO 2063- 1991. The cost includes cost of materials, labour charges, hire charges for machinery, incidental charges like conveyance to & fro from site risk allowance etc., complete.including maintenance & warranty for 5 years.

Scour vent (Embedded parts)

Tail End Regulator (Embedded parts)

Scour vent (Shutters)

Tail End Regulator (Shutters)

Scour vent (Operating platform)

Tail End Regulator (Operating platform)

Application of a high performance primary coating to protect the steel structure from highly abrasive, erosive and corrosive environments. This being a industrial coating, enhances the life of the structure and reduces the strain of continuous maintenance. After surface preparation of the structure, a primer coat with epoxy primer shall be applied. The dry film thickness should be 40-60µ for primer coat. The colour is grey and minimum pot time should be 4 to 8 hours. The mixing ratio of base to accelerator by volume should be according to the manufacturers standard. All paint, when applied, shall provide a satisfactory film and a smooth and even surface. Paint shall be thoroughly stirred, strained, and kept at the uniform consistency during application. Paint shall not be applied when the temperature of the metal or surrounding air is below 10 degree Celsius and that of the metal is above 50 degrees Celsius, or when the humidity is above 90 percent, or when it threatens to rain before the painted coat gets dry. Primer coat shall be protected during the initial curing period against the possibility of moisture condensation or contamination with foreign matter. All painting works shall be performed by airless spraying. When the coating material is applied by spraying, suitable means shall be provided to prevent segregation during the coating operation. Free oil and moisture shall be removed from the air supply lines of all spraying equipment. Primer coat shall be uniform and free from runs, slag and other imperfections. The time between successive coats shall be not less than the minimum nor more than the maximum re- coating time specified by the paint manufacturer. The paint shall be applied so that the thickness at any point is not less than that stipulated in the approved painting specifications. Surface not required to be coated, but adjacent to surfaces which are to be cleaned and coated, shall be adequately protected during cleaning and coating. Repairs to damaged areas of the coating shall be carried out strictly in accordance with the approved painting specifications. Because of the flammable and toxic nature of the coating materials, precautions should be taken to eliminate any health or safety hazard that may arise during the application of the coating. Smoking and welding shall not be allowed within 10 meters of the place when painting is in progress. The painting to the gates, hoists and other parts shall be done as per IS specification No.14177-1994. Guidelines for painting system for Hydraulic Gates and hoists and its Adjuncts Viz., IS: 1477 (Part I) – 1971, IS : 1477 (part II) -1971. The cost includes cost of primer & thinner, labour charges for application of primer, hire charges for compressor, generator & airless spray gun with its accessories, cost of oil, diesel & lubricant for generator, scaffolding charges, conveyance of machinery & tools to and fro from site of work, risk allowance, etc, complete including maintenance & warranty for 5 years.

Scour vent (Embedded parts)

Tail End Regulator (Embedded parts)

Scour vent (Shutters)

Tail End Regulator (Shutters)

Scour vent (Operating platform)

Tail End Regulator (Operating platform)

Application of coaltar epoxy over the primer shall be through airless spray method. The colour shall be black and the mixing ratio of base to accelerator should be by manufacturer standards. The dry film thickness should be between 125-150 µ per coat. The interval before over coating shall be 24 hours. All paint, when applied, shall provide a satisfactory film and a smooth and even surface. Paint shall be thoroughly stirred, strained, and kept at the uniform consistency during application. Paint shall not be applied when the temperature of the metal or surrounding air is below 10 degree Celsius and that of the metal is above 50 degrees Celsius, or when the humidity is above 90 percent, or when it threatens to rain before the painted coat gets dry. Each coat shall be protected during the initial curing period against the possibility of moisture condensation or contamination with foreign matter. All painting works shall be performed by airless spraying. When the coating material is applied by spraying, suitable means shall be provided to prevent segregation during the coating operation. Free oil and moisture s hall be removed from the air supply lines of all spraying equipment. Each coat shall be uniform and free from runs, sags and other imperfections. The time between successive coats shall be not less than the minimum nor more than the maximum re-coating time specified by the paint manufacturer. The paint shall be applied so that the thickness at any point is not less than that stipulated in the approved painting specifications. Surface not required to be coated, but adjacent to surfaces which are to be cleaned and coated, shall be adequately protected during cleaning and coating. Repairs to damaged areas of the coating shall be carried out strictly in accordance with the approved painting specifications. Because of the flammable and toxic nature of the coating materials, precautions should be taken to eliminate any health or safety hazard that may arise during the application of the coating. Smoking and welding shall not be allowed within 10 meters of the place when painting is in progress. The painting to the gates, hoists and other parts shall be done as per IS specification No.14177-1994. The colour of the paint coat when applied is generally black but turns into brown over a period time. However, the properties of the paint remain intact assuring the performance. Guidelines for painting system for Hydraulic Gates and hoists and its Adjuncts Viz., IS: 1477 (Part I) – 1971, IS : 1477 (part II) – 1971. The cost includes cost of coaltar epoxy paint, thinner, etc, labour charges for its application, hire charges for compressor, generator, airless spray machine with its accessories , cost of oil, diesel & lubricant for generator, scaffolding charges, conveyance of machinery & tools to and fro from site of work, risk allowance, etc, complete, including maintenance & warranty for 5 years.

Scour vent (Embedded parts)

Tail End Regulator (Embedded parts)

Scour vent (Shutters)

Tail End Regulator (Shutters)

Scour vent (Operating platform)

Tail End Regulator (Operating platform)

Earth work excavation in all classes of soil except hard rock requiring blasting and depositing on bank as per SS20B with all leads and lifts and all other incidental charges such as bailing out water shoring strutting, walling and forming protective bunds whereever necessary etc., complete as per relevent standard specification for DRESSING THE BED UPTO SILL LEVEL.

Earthwork excavation in all classes of soil except hard rock requiring blasting and depositing on bank with all leads and lifts as per SS20B, including cost of all labour, equipments and all incidential charges such as baling our water, providing and maintaining necessary cofferdams, sheeting, shoring bracing and their subsequent removal, removal of all logs, stumps, grubs and other deleterious matter and obstructions, trimming bottom of excavation backfilling, and clearing the site and disposal of all surplus materials etc., complete as per relevant standard specification for FOUNDATION OF PILECAP UNDER ABUTMENTS AND PIERS.

Providing and driving in position permanet M.S liner including cost and conveyance to the site and fabrication charges and tools and plants and driving M.S 6mm thick liner to be left peramnently with the pile shaft as per the requirement and as per the specifications and placing from the bottom with all leads and lifts using 6mm M.S sheet etc., complete.

Reinforced cement concrete cast-in-situ bored piles of 1000 mm diameter M-35 grade Design Mix using M. Sand 20mm & below ISS size graded HBG metal with minimum cement content of 400kg per cu.m maximum water cement ratio of 0.4 and slump of 150 - 200mm by tremie concreting including cost and conveyance of all materials to site and cement at site excluding cost and fabrication of steel including placing of reinforcement in position, concreting, including all labour charges for driving or boring, mobilisation of piling equipment and other accesssories required for driving the pile, cost of Bentonite solution and the temporary liners, chiselling and including forming of working platform over the river bed for accommodating piling eqipments including working platform, cost of test piles both initial and routine test for vertical loads and horizontal loads, forming approaches to the working platform, mixing concrete, filling it in position, compacting, cutting of pile head to cut off level for the casting the pile caps, including diversion of water course if necessary and all other incidental charges tec., complete as per standard specifications etc., complete for PILES BELOW ABUTMENTS & PIERS.

Plain Cement Concrete M-15 grade ,Nominal mix 1:2:4 using M. Sand, 40mm below ISS graded metal including cost and conveyance of all materials to site including cement at site including cost of formwork, soft water, labour charges for mixing, transporting, laying and curing concrete, working at depths, Tools and Plants and incidental charges such as maintaining of protective bunds, cofferdams, shoring, strutting etc; complete as per relevant standard specification, etc, complete as per relevant standard specification for LEVELLING COURSE BELOW PILE CAP UNDER ABUTMENTS AND PIERS.

Vibrated reinforced cement concrete M35 grade Design Mix, using M. Sand, 20 mm & below ISS size hard granite broken graded metal including cost and conveyance of all materials to site and cement at site excluding cost and fabrication of steel but form work and centering soft water labour charges for mixing, transporting, placing in position, vibrating and compacting finishing and curing concrete, working at heights, hire charges for tools and plants, including all other incidental charges, etc., complete as per standard specifications for PILE CAPS UNDER ABUTMENTS, RETURN WALLS AND PIERS.

Vibrated reinforced cement concrete M-35 Grade, Design Mix, using M. Sand, 20 mm & below ISS size hard granite broken graded metal including cost and conveyance of all materials to site and cement at site excluding cost and fabrication of steel but form work and centering soft water labour charges for mixing, transporting, placing in position, vibrating and compacting finishing and curing concrete, working at heights, hire charges for tools and plants, including all other incidental charges, etc., complete as per standard specifications for ABUTMENTS AND RETURN WALLS.

Vibrated reinforced cement concrete M-35 Grade, Design Mix, using 20 mm & below ISS size hard granite broken graded metal including cost and conveyance of all materials to site and cement at site excluding cost and fabrication of steel but including form work and centering soft water labour charges for mixing, transporting, placing in position, vibrating and compacting finishing and curing concrete, working at heights, hire charges for tools and plants, including all other incidental charges, etc., complete as per standard specifications for BED BLOCK CUM DIRT WALL OVER ABUTMENTS.

Vibrated reinforced cement concrete M35 grade, Design Mix, using 20mm & below ISS size hard granite broken graded metal including cost and conveyance of all materials to site and cement at site excluding cost and fabrication of steel but including form work and centering soft water labour charges for mixing, transporting, placing in position, vibrating and compacting finishing and curing concrete, working at heights, hire charges for tools and plants, including all other incidental charges, etc., complete as per standard specifications for PIER COLUMNS.

Vibrated reinforced cement concrete M35 grade Design mix using, M. Sand 20mm & below ISS size hard granite broken graded metal including cost and conveyance of all materials to site and cement at site excluding cost and fabrication of steel but including form work and centering soft water labour charges for mixing, transporting, placing in position, vibrating and compacting finishing and curing concrete, working at heights, hire charges for tools and plants, including all other incidental charges, etc., complete as per standard specifications for CAPPING BEAM OVER PIER COLUMNS.

Vibrated reinforced cement concrete M35 (Design mix) using, M. Sand 20mm & below ISS metal, including cost and conveyance of all materials to site and cost of cement at site,but excluding cost and fabrication of steel but including cost of formwork labour charges for mixing transporting,laying,curing concrete,working at heights,soft water,hire charges for tools and plants,including all oter incidental charges,etc., complete for PEDESTALS OVER CAPPING BEAMS AND BED BLOCKS

Supply and fixing of Elastomeric bearing of size 300x500x64mm including cost and conveyance to work site, labour for fixing the same in correct position and all other incidental charges etc., complete as per standard specifications.

Vibrated reinforced cement concrete M-35, Grade, Design Mix using M. Sand, 20mm & below ISS size hard granite broken graded metal including cost and conveyance of all materials to site and cost of cement at site but excluding cost and fabrication of steel but including labour charges for mixing, transporting, laying, curing concrete, working at heights, potable water, hire charges for tools and plants, including all other incidental charges etc., complete as per relevant standard specification for T-BEAMS AND CROSS BEAMS.

Vibrated reinforced cement concrete M-35, Grade, Design Mix using M. Sand, 20mm & below ISS size hard granite broken graded metal including cost and conveyance of all materials to site and cement at site but excluding cost and fabrication of steel but including form work and centering soft water labour charges for mixing, transporting, placing in position, vibrating and compacting finishing and curing concrete, working at heights, hire charges for tools and plants, including all other incidental charges,including inspection chamber, inclusive of 150mm ducts and other accessories of footpath etc., complete for DECK SLAB.

Vibrated Reinforced Cement Concrete M-30, Grade, Design Mix, using M. Sand, 20mm ISS size hard granite broken graded metal including cost and conveyance of all materials to site including cement at site but excluding cost and fabrication of steel, including labour charges for mixing, transporting, laying, and curing concrete,working at heights,hire charges for tools and plants,including all other incidental charges,etc, complete for RCC HAND RAILS AND POSTS OVER DECK SLAB.

Providing and fixing of Galvinised Iron drainage spouts 100mm dia as per MOST drawing SD/205 with grating arrangements at top as shown in the drawing using 12mm x 25mm flats for grating arrangements, and 100mm dia drainage spout projecting beyond the bottom of deck slab as shown in the drawing including cost and conveyance of cast iron pipes and flats and fixing them in position etc,complete.

Vibrated Cement Concrete M-15, Grade, Nominal Mix 1:2:4 , using M. Sand, 40mm ISS size hard granite broken metal including cost and conveyance of all materials to site and cement at sitel including labour charges for mixing,transporting, laying, and curing concrete,working at heights,hire charges for tools and plants, including all other incidental charges,etc.,complete as per standard specification for PARAPET OVER WINGS.

Supplying and installation of STRIP SEAL EXPANSION joint system conforming to specifications for Road and Bridge Works-IV Revision; 2001 Published by Ministry of Surface Transport (Roads Wing) in the 40mm wide expansion gap provided in between decks over piers and in between deck and dirt wall over abutment with fatigue tested structural steel section at the nosing and anchorage assembly, including cost and conveyance of all materials, cost of testing as per the MOST specifications, including labour, equipment and incidental charges for fixing the joints complete in all respects, as per specifications.

Vibrated Cement Concrete M15, Grade, Nominal Mix, 1:2:4 using M. Sand, 20mm ISS hard granite broken metal including cost and conveyance of all materials to site and cement at site including cost of formwork,lead for soft water, labour charges for mixing , transporting, laying, and curing concrete working in heights and hire charges for tools and plants, and all other incidental charges etc complete as per relevant specification for BASE COURSE BELOW APPROACH SLAB.

Vibrated Reinforced Cement Concrete M-30, Grade, Design Mix, using M. Sand, 20mm & below ISS graded hard granite broken metal including cost and conveyance of all materials to site including cement at site including labour charges for mixing, laying, curing concrete, working at heights,hire charges for tools and plants, including all other incidental chages etc., complete for APPROACH SLABS.

Vibrated Cement Concrete M-30, Grade, Design Mix, using, M. Sand, 65% of 25mm, 25% of 12mm and 10% of 6mm IRC size HBG graded metal including cost and conveyance of all materials to worksite and cement at site including all labour charges for fixing concrete, laying, vibrating, hire charges for tools and plants, compacting, curing with all leads for soft water, including all other incidental charges,formwork,cost of premoulded expansion joints and fixing the same in position etc., complete for wearing cost of 75mm uniform thickness over deck slab and approach slab.

Providing and fixing PVC seepage pipes of 100mm dia. PVC pipes of requied lengths for abutments and wngs including cost and conveyance of all materials to work site, cost and labour for 900mm dia. semi-spherical back fill arangements with 100mm size broken ganite chips at the periphery and labour charges for fixing, etc.,to drain of the backfill IN BETWEEN THE ABUTMENTS AND WINGS

Providing filter media behind the abutments and wings with clean III graded material 53mm to 5.6mm to 600mm thick and well compacted in layers with smaller sized towards the soil and bigger size towards the wall including cost and conveyance to work site including all labours and other incidental charges including hire charges for tools and plants employed etc., for filter media as per MOST's (Roads Wing) specifications for Roads and Bridges " Fourth Revision Cl. 309-3-2-B and 305 -4-4 etc., complete.

Filling behind Abutments and wings as per Appendix 6 of IRC: 78-2000 with clean gritty free draining gravel including cost and draining gravel having Ø value more than 35° conveyance of gravel to worksite, laying, handling charges and filling in layers tamping under optimum moisture content to get the maximum density, including watering, with all leads and lifts for water and all other incidental charges, etc., complete.

Supply and Fabrication of High Yield Strength Deformed Bar with Grade Designation Fe-500D, conforming to IS:1786-1985, steel required for all RCC items of works involved in the schedule cost of steel at site fabrication, labour charges for cleaning the rods straightening, cutting, bending, tying grills, including overlaping to the required length wherever necessary and placing the reinforcement in position as specified in the drawings, including cost of binding wire, provision of spacer bars, cover blocks and all other incidental charges etc, complete,Fe-500D grade.

Upto 16mm dia

Above 16mm dia

Supply and fabrication of S-240 steel required for all RCC items of works involved in the schedule cost of steel at site fabrication,labour charges for cleaning the rods straightening, cutting, bending, tying grills, including overlapping to the required length whenever necessary and placing the reinforcement in position as specified in the drawings,including cost of binding wire, provision of spacer bars, cover blocks and all other incidental charges etc,complete, S-240 grade

Formation of embankment with 8CBR material from quarrying place and compaction by power roller including cost and conveyance of the earth to worksite , including all labour charges for laying , spreding , etc., including all hire and fuel charges all tools and plants.

Construction of granular sub-base by providing close graded Material, mixing in a mechanical mix plant at OMC, carriage of mixed Material to work site, spreading in uniform layers with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per clause 401 Grading V material

Providing, laying, spreading and compacting graded stone aggregates for Wet Mix Macadam 250mm thick, including premixing the materials with water at OMC in mechnanical mix plant, conveyance of mixed materials by tipper to site, laying in uniform layers using pavers in Sub Base/ Base course on well prepared surface and compacting with vibratory roller to acheive the desired density including cost of material, labour charges, rentals for machinery, fuel and all other incidental charges etc., complete as per clause 406 of MORTH Rev-5 .

Providing and laying Prime Coat over CRM/ Gravel base using 9 Kg of Emulsion Bitumen (SS1) per 10 sqm for preparatory to another bituminous construction over it including cost of material, labour charges, rentals for machinery, fuel and all other incidental charges etc., complete as perClause 502 of MORTH Rev-5

Providing and laying Tack Coat over WBM/ WMM surface (treated with primer) using 2.50 Kg of Bitumen Emulsion (RS1) per 10 sqm for preparatory to another bituminous construction over it including cost of material, labour charges, rentals for machinery, fuel and all other incidental charges etc., complete as perClause 503 of MORTH Rev-5

Providing, laying 50mm consolidated thick Dense Bituminous Macadam using 0.24cum of 26.50- 13.20mm, 0.25cum of 13.20-2.36mm and 0.23cum of 2.36mm & below and with 53.20Kgs of VG30 Grade bitumen for premixing per 10sqm including cost and conveyance of all materials to CMP site, heating the bitumen, aggregate and mixing them in the required temperature in Central Hot Mix Plant 20- 30 ton capacity, conveying the mix by tipper trucks to work site, spreading the mix to uniform thickness of 50mm using paver to the specified grades and cross sections and compacted by Vibratory / Pneumatic Roller to the required density etc., including labour for attending to paver at site etc., including hire and fuel charges for 20-30ton CMP with bitumen boiler, tipper trucks, Paver Finisher, Vibratory rollers and all other tools and plant required, including all other incidental charges etc., complete as per specification using CMP as per clause 505 MORTH Rev-5

Providing and laying Bituminous Concrete to 30/40mm thick using 0.13 cum of 19.00- 9.50mm, 0.17 cum of 9.50-2.36mm and 0.26 cum of 2.36 and below with 50.30kgs of VG30 bitumen for premixing per 10sqm including cost and conveyance of all materials to CMP site, heating the bitumen and aggregate to required temperature and mixing them in required temperature in central hot mix plant 20-30 ton capacity, conveying the mix by tipper trucks to paver site, spreading the mix to uniform thickness of 40mm with mechanical paver to the specified grades and cross sections and consolidated by 8-10 tonne Vibratory to the required density etc., including labour for attending to paver to site etc., including hire charges and fuel charges for 20-30 t CMP with bitumen boiler, tipper trucks, Paver Finisher, Vibratory roller and all other tools and plant required, including fuel and all other incidental charges etc., complete as per specification using CMP as per clause 507 of MORTH Rev-5

GST 18% IN FIGURES

M/s. Ayyavoo Associates