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| 1 | i.Repair and rehabilitation work of the bridge-\"Chinaihani Bridge, Litchubagan to Airport Road,Agartala\".STAGE 1 :- Site Clearance (Before & After execution of repair Job)Disposal of MalwaDisposal of moorum/building rubbish/ malba/ similar unserviceable, dismantled or waste material by mechanical transport including loading, transporting, unloading to approved municipal dumping ground for lead upto 10 km for all lifts, complete as per directions of Engineer-in-charge. |
| 2 | Clearing of Vegetation GrowthClearing jungle including uprooting of rank vegetation, grass,brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared. |
| 3 | ScaffoldingProviding and fixing double scaffolding system (cup lock type) on the exterior side, up to seven story height made with 40 mm dia M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after .The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required locations with essential safety features for the workmen etc.complete as per directions and approval of Engineerin- charge. The elevational area of the scaffolding shall be measured for payment purpose .The payment will be made once irrespective of duration of scaffolding. |
| 4 | STAGE 2 :- Patch RepairUnsound Concrete & Chipping of Concrete Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and einforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge. i) 75 mm average thickness. |
| 5 | Rust Remover Anti-corrosive & Protective Coating for reinforcement. Cleaning of reinforcement from rust from the reinforcing bars to give it a total rust free steel surface by using alkaline chemical rust remover of approved make with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry, all complete as per direction of Engineer-In-Charge. Bars above 12 mm diameter |
| 6 | Anti-corrosive & Protective Coating for reinforcement. Painting with black anti-corrosive bitumastic paint of approved brand and manufacture to give an even shade : Two or more coats on new work |
| 7 | Anchorage for Drilling & Fixing for Reinforcement as shear connector. Drilling & fixing 12mm dia. & 120 mm lenghtreinforcement bar for anchoring with using highperformance pure epoxy 3:1 resin cartridgesystem FOSROC LOKFIX E75 on cracked or uncracked concrete. Lokfix E75 when applied it sets and cures to firmly se-cure a variety of steel fixings into concrete and solid ma-sonry substrates. Materail Specification:-Comp. Strength (EN196) >110 MPa, Flexural Strength: >40 Mpa, Density: 1.41 kg/L or Equivalent HILTI RE500.a) Shear Connector |
| 8 | Epoxy bonding for Old Concrete & New Concrete bonding.Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect.Epoxy bonding adhesive having coverage 2.20 sqm/kg of approved make |
| 9 | HYSD for addtion of loss reinforcement. Steel reinforcement for R.C.C. work includingstraightening, cutting, bending, placing in position and binding all complete upto plinth level. Thermo-Mechanically Treated bars of grade Fe-500D or more. |
| 10 | Welding for reinforcement.Welding by gas or electric plant including transportation of plant at site etc. complete. |
| 11 | Shuttering for poring of concrete/PMC/Micro-Concrete. Centering and shuttering including strutting, propping etc. and removal of form for : Lintels, beams, plinth beams, girders, bressumers and cantilevers |
| 12 | Polymer Modified concrete for Patch Repair Providing and laying SBR Polymer modified (of approved make @ minimum 2% by wt. of cement used) plain/reinforced concrete jacket for the structural members e.g. columns, pillars, piers, beams etc with concrete having the specified minimum characteristic compressive strength [with ordinary portland cement, coarse sand and graded stone aggregate of 10mm maximum size in proportion as per design criteria] with specified average thickness allround existing core of RCC member.75mm thick in Grade M 25 with cement content not less than 330 kg per cum |
| 13 | Pouring of Micro-Concrete for RCC Jacketting Providing and laying Micro-concrete cement based prepacked single component, chloride free, sulphate free, non-shrink, free flow, self compacting, ready to use after mixing water in specified proportion of approved quality.Rate shall not be included with new plywood shuttering board cost and supporting jack system/prob to support the shuttering plate. Micro-concrete for placing in nominal thickness of 25mm to 200mm for concrete repair with Compressive strength (ASTM C109,7cm cube) of 35 MPaat 28 Days. or Equivalent Product- MASTEREMACO S466 (BASF)/ SikaRep® Microcrete-4 (SIKA) |
| 14 | Plastering CEMENT PLASTER (IN FINE SAND) A) 12 mm cement plaster of mix : 1:4 (1 cement: 4 fine sand) |
| 15 | STAGE 3 :- Voids and gape filling if any found during Micro-Concreting/PMC Drilling & Fixing for sealing voids after RepairingProviding and inserting 12mm dia galvanised steel injection nipple in honey comb area and along crack line including drilling of holes of required diametre (20mm to 30mm) up to depth from 30mm to 80mm at required spacing and making the hole & crack dust free by blowing compressed air, sealing the distance between injection nipple with adhesive chemical of approved make and allow it to cure complete as per direction of Engineer-In- Charge. |
| 16 | Sealing of Voids if found After RepairingProviding and injecting approved grout in proportion recommended by the manufacturer into cracks/honey-comb area of concrete/masonry by suitable gun/pump at required pressure including cutting of nipples after curing etc. complete as per directions of Engineer-in- Charge. Epoxy injection grout in concrete/RCC work of approved make. |
| 17 | STAGE 4 :- Protective Coating Removing old paint Removing dry or oil bound distemper, water proofing cement paint and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete. |
| 18 | Anti-carbonation primerSupply and apply the application of one coat Silane Siloxane modified Deckguard Primer or Sikadur-551-s or MasterSeal 399 / MasterKure 181 or equivalent Primer on concrete surface including Surface preparation by high pressure water jet or manually as approved by the Engineer-in-charge as per technical specification. |
| 19 | Anti-carbonation paint Supply and apply 200 micron MasterProtect 300orDeckguard E200 or Sikagaurd-550 or equivalenton concrete surface including Surface preparation by high pressure water jet or manually as approved by the Engineer-in-charge as per technical specification. |
| 20 | Protective Coating- Primer, after repair all exposed Concrete SurfacesDistempering with 1st quality acrylic distemper, having VOC (Volatile Organic Compound ) content less than 50 grams/ litre, of approved brand and manufacture, including applying additional coats wherever required, to achieve even shade and colour.One coat |
| 21 | Protective Coating- Paint, after repair all exposed Concrete SurfacesPainting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :One or more coats on old work |
| 22 | Drainage spout Providing and fixing 100 mm diameter and 60 cm long rain water spout in cement mortar 1:4 (1 cement : 4 fine sand).Stone ware spout |
| 23 | Bearing MaintenanceRectification of bearings as per Technicalspecifications. |
| 24 | Expansion Joint Providing and laying a burried expansion joint, expansion gap being 20 mm, covered with 12 mm thick, 200 mm wide galvanised wieldable structural steel plate as per IS: 2062, placed symmetrical to centre line of the joint, resting freely over the top surface of the deck concrete, welding of 8 mm dia. 100 mm long galvanised nails spaced 300 mm c/c along the centre line of the plate, all as specified in clause 2604. |
| 25 | ii.Repair and rehabilitation work of the bridge-\"Panchabati Bridge, Litchubagan to Airport Road,Agartala. \".STAGE 1 :- Site Clearance (Before & After execution of repair Job)Disposal of Malwa Disposal of moorum/building rubbish/ malba/ similar unserviceable, dismantled or waste material by mechanical transport including loading, transporting, unloading to approved municipal dumping ground for lead upto 10 km for all lifts, complete as per directions of Engineer-in-charge. |
| 26 | Clearing of Vegetation GrowthClearing jungle including uprooting of rank vegetation, grass,brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared. |
| 27 | ScaffoldingProviding and fixing double scaffolding system (cup lock type) on the exterior side, up to seven story height made with 40 mm dia M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after .The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required locations with essential safety features for the workmen etc.complete as per directions and approval of Engineerin- charge. The elevational area of the scaffolding shall be measured for payment purpose .The payment will be made once irrespective of duration of scaffolding. |
| 28 | STAGE 2 :- Patch RepairUnsound Concrete & Chipping of Concrete Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and einforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge.i) 75 mm average thickness. |
| 29 | Rust Remover Anti-corrosive & Protective Coating for reinforcement. Cleaning of reinforcement from rust from the reinforcing bars to give it a total rust free steel surface by using alkaline chemical rust remover of approved make with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry, all complete as per direction of Engineer-In-Charge. Bars above 12 mm diameter |
| 30 | Anti-corrosive & Protective Coating for reinforcement. Painting with black anti-corrosive bitumastic paint of approved brand and manufacture to give an even shade : Two or more coats on new work |
| 31 | Anchorage for Drilling & Fixing for Reinforcement as shear connector. Drilling & fixing 12mm dia. & 120 mm lenghtreinforcement bar for anchoring with using highperformance pure epoxy 3:1 resin cartridgesystem FOSROC LOKFIX E75 on cracked or uncracked concrete. Lokfix E75 when applied it sets and cures to firmly se-cure a variety of steel fixings into concrete and solid ma-sonry substrates. Materail Specification:-Comp. Strength (EN196) >110 MPa, Flexural Strength: >40 Mpa, Density: 1.41 kg/L or Equivalent HILTI RE500.a) Shear Connector |
| 32 | Epoxy bonding for Old Concrete & New Concrete bonding.Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect.Epoxy bonding adhesive having coverage 2.20 sqm/kg of approved make |
| 33 | HYSD for addtion of loss reinforcement. Steel reinforcement for R.C.C. work includingstraightening, cutting, bending, placing in position and binding all complete upto plinth level. Thermo-Mechanically Treated bars of grade Fe-500D or more. |
| 34 | Welding for reinforcement.Welding by gas or electric plant including transportation of plant at site etc. complete. |
| 35 | Shuttering for poring of concrete/PMC/Micro-Concrete. Centering and shuttering including strutting, propping etc. and removal of form for :Lintels, beams, plinth beams, girders, bressumers and cantilevers |
| 36 | Polymer Modified concrete for Patch Repair Providing and laying SBR Polymer modified (of approved make @ minimum 2% by wt. of cement used) plain/reinforced concrete jacket for the structural members e.g. columns, pillars, piers, beams etc with concrete having the specified minimum characteristic compressive strength [with ordinary portland cement, coarse sand and graded stone aggregate of 10mm maximum size in proportion as per design criteria] with specified average thickness allround existing core of RCC member.75mm thick in Grade M 25 with cement content not less than 330 kg per cum |
| 37 | Pouring of Micro-Concrete for RCC Jacketting Providing and laying Micro-concrete cement based prepacked single component, chloride free, sulphate free, non-shrink, free flow, self compacting, ready to use after mixing water in specified proportion of approved quality.Rate shall not be included with new plywood shuttering board cost and supporting jack system/prob to support the shuttering plate. Micro-concrete for placing in nominal thickness of 25mm to 200mm for concrete repair with Compressive strength (ASTM C109,7cm cube) of 35 MPa at 28 Days. or Equivalent Product- MASTEREMACO S466 (BASF)/ SikaRep® Microcrete-4 (SIKA) |
| 38 | Plastering CEMENT PLASTER (IN FINE SAND) A) 12 mm cement plaster of mix : 1:4 (1 cement: 4 fine sand) |
| 39 | STAGE 3 :- Voids and gape filling if any found during Micro-Concreting/PMC Drilling & Fixing for sealing voids after RepairingProviding and inserting 12mm dia galvanised steel injection nipple in honey comb area and along crack line including drilling of holes of required diametre (20mm to 30mm) up to depth from 30mm to 80mm at required spacing and making the hole & crack dust free by blowing compressed air, sealing the distance between injection nipple with adhesive chemical of approved make and allow it to cure complete as per direction of Engineer-In- Charge. |
| 40 | Sealing of Voids if found After RepairingProviding and injecting approved grout in proportion recommended by the manufacturer into cracks/honey-comb area of concrete/masonry by suitable gun/pump at required pressure including cutting of nipples after curing etc. complete as per directions of Engineer-in- Charge. Epoxy injection grout in concrete/RCC work of approved make. |
| 41 | STAGE 4 :- Protective Coating Removing old paint Removing dry or oil bound distemper, water proofing cement paint and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete. |
| 42 | Anti-carbonation primer Supply and apply the application of one coat Silane Siloxane modified Deckguard Primer or Sikadur-551-s or MasterSeal 399 / MasterKure 181 or equivalent Primer on concrete surface including Surface preparation by high pressure water jet or manually as approved by the Engineer-in-charge as per technical specification. |
| 43 | Anti-carbonation paintSupply and apply 200 micron MasterProtect 300orDeckguard E200 or Sikagaurd-550 or equivalenton concrete surface including Surface preparation by high pressure water jet or manually as approved by the Engineer-in-charge as per technical specification. |
| 44 | Protective Coating- Primer, after repair all exposed Concrete SurfacesDistempering with 1st quality acrylic distemper, having VOC (Volatile Organic Compound ) content less than 50 grams/ litre, of approved brand and manufacture, including applying additional coats wherever required, to achieve even shade and colour.One coat |
| 45 | Protective Coating- Paint, after repair all exposed Concrete Surfaces Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :One or more coats on old work |
| 46 | Bearing MaintenanceRectification of bearings as per Technicalspecifications. |
| 47 | iii.Repair and rehabilitation work of the bridge-\"Takarjala Bridge,Brajendranagar Colony to Takarjala \".STAGE 1 :- Site Clearance (Before & After execution of repair Job)Disposal of Malwa Disposal of moorum/building rubbish/ malba/ similar unserviceable, dismantled or waste material by mechanical transport including loading, transporting, unloading to approved municipal dumping ground for lead upto 10 km for all lifts, complete as per directions of Engineer-in-charge. |
| 48 | Clearing of Vegetation GrowthClearing jungle including uprooting of rank vegetation, grass,brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared. |
| 49 | ScaffoldingProviding and fixing double scaffolding system (cup lock type) on the exterior side, up to seven story height made with 40 mm dia M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after .The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and approval of Engineerin- charge. The elevational area of the scaffolding shall be measured for payment purpose .The payment will be made once irrespective of duration of scaffolding. |
| 50 | STAGE 2 :- Patch RepairUnsound Concrete & Chipping of Concrete Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and einforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge. i) 75 mm average thickness. |
| 51 | Rust Remover Anti-corrosive & Protective Coating for reinforcement. Cleaning of reinforcement from rust from the reinforcing bars to give it a total rust free steel surface by using alkaline chemical rust remover of approved make with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry, all complete as per direction of Engineer-In-Charge. Bars above 12 mm diameter |
| 52 | Anti-corrosive & Protective Coating for reinforcement. Painting with black anti-corrosive bitumastic paint of approved brand and manufacture to give an even shade : Two or more coats on new work |
| 53 | Anchorage for Drilling & Fixing for Reinforcement as shear connector. Drilling & fixing 12mm dia. & 120 mm lenghtreinforcement bar for anchoring with using highperformance pure epoxy 3:1 resin cartridgesystem FOSROC LOKFIX E75 on cracked or uncracked concrete. Lokfix E75 when applied it sets and cures to firmly se-cure a variety of steel fixings into concrete and solid ma-sonry substrates. Materail Specification:-Comp. Strength (EN196) >110 MPa, Flexural Strength: >40 Mpa, Density: 1.41 kg/L or Equivalent HILTI RE500.a) Shear Connector |
| 54 | Epoxy bonding for Old Concrete & New Concrete bonding.Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect.Epoxy bonding adhesive having coverage 2.20 sqm/kg of approved make |
| 55 | HYSD for addtion of loss reinforcement. Steel reinforcement for R.C.C. work includingstraightening, cutting, bending, placing in position and binding all complete upto plinth level. Thermo-Mechanically Treated bars of grade Fe-500D or more. |
| 56 | Welding for reinforcement.Welding by gas or electric plant including transportation of plant at site etc. complete. |
| 57 | Shuttering for poring of concrete/PMC/Micro-Concrete. Centering and shuttering including strutting, propping etc. and removal of form for :Lintels, beams, plinth beams, girders, bressumers and cantilevers |
| 58 | Polymer Modified concrete for Patch Repair Providing and laying SBR Polymer modified (of approved make @ minimum 2% by wt. of cement used) plain/reinforced concrete jacket for the structural members e.g. columns, pillars, piers, beams etc with concrete having the specified minimum characteristic compressive strength [with ordinary portland cement, coarse sand and graded stone aggregate of 10mm maximum size in proportion as per design criteria] with specified average thickness allround existing core of RCC member.75mm thick in Grade M 25 with cement content not less than 330 kg per cum |
| 59 | Plastering CEMENT PLASTER (IN FINE SAND)A) 12 mm cement plaster of mix :1:4 (1 cement: 4 fine sand) |
| 60 | STAGE 3 :- Voids and gape filling if any found during Micro-Concreting/PMC Drilling & Fixing for sealing voids after RepairingProviding and inserting 12mm dia galvanised steel injection nipple in honey comb area and along crack line including drilling of holes of required diametre (20mm to 30mm) up to depth from 30mm to 80mm at required spacing and making the hole & crack dust free by blowing compressed air, sealing the distance between injection nipple with adhesive chemical of approved make and allow it to cure complete as per direction of Engineer-In- Charge. |
| 61 | Sealing of Voids if found After RepairingProviding and injecting approved grout in proportion recommended by the manufacturer into cracks/honey-comb area of concrete/masonry by suitable gun/pump at required pressure including cutting of nipples after curing etc. complete as per directions of Engineer-in- Charge. Epoxy injection grout in concrete/RCC work of approved make. |
| 62 | STAGE 4 :- Protective Coating Removing old paint Removing dry or oil bound distemper, water proofing cement paint and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete. |
| 63 | Anti-carbonation primer Supply and apply the application of one coat Silane Siloxane modified Deckguard Primer or Sikadur-551-s or MasterSeal 399 / MasterKure 181 or equivalent Primer on concrete surface including Surface preparation by high pressure water jet or manually as approved by the Engineer-in-charge as per technical specification. |
| 64 | Anti-carbonation paintSupply and apply 200 micron MasterProtect 300orDeckguard E200 or Sikagaurd-550 or equivalenton concrete surface including Surface preparation by high pressure water jet or manually as approved by the Engineer-in-charge as per technical specification. |
| 65 | Protective Coating- Primer, after repair all exposed Concrete SurfacesDistempering with 1st quality acrylic distemper, having VOC (Volatile Organic Compound ) content less than 50 grams/ litre, of approved brand and manufacture, including applying additional coats wherever required, to achieve even shade and colour.One coat |
| 66 | Protective Coating- Paint, after repair all exposed Concrete Surfaces Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :One or more coats on old work |
| 67 | Bearing MaintenanceRectification of bearings as per Technicalspecifications. |
