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| 1 | Item 1 |
| 2 | Diversion of water course, providing cofferdam and bund or island as may be necessary for foundation and maintaining the same for the period as may be necessary. (F) Abutment Left (including returns/ wing walls) |
| 3 | Providing flood gauge marks on substructure as per design including painting complete. |
| 4 | Providing masonry steps with Cement Pointing on approaches as directed. |
| 5 | Clearing and grubbing road land including uprooting rank vegetation grass bushes, shrubs, sapling and trees girth up to 300 mm removal of stumps of trees cut earlier and disposal of unserviceable materials. (C) By mechanical means in area of light jungle. |
| 6 | Providing and laying boulders apron on river bed for protection against scour with stone boulders weighing not less than 40 kg each complete as per drawing and Technical specification.A) Boulder laid dry without wire crates. |
| 7 | Scaffolding:- Providing, erecting and dismantling safe H frame and / pipe scaffolding including working platform for external area of bridge pier to facilitate all works etc. completed, Measurement for payment shall be considered as per detailed specification. (Property of contractor, and repetation will be paid per pier) (Every 1 m extra height increse rate by 50 rupees/ meter)A) up to 5.0 mt |
| 8 | Portable Barricade in Construction Zone (Installation of a steel portable barricade with horizontal rail 300 mm wide, 2.5 m in length fitted on a 'A' frame made with 45 x 45 x 5 mm angle iron section, 1.5 m in height, horizontal rail painted (2 coats) with yellow and white stripes, 150 mm in width at an angle of 450, 'A' frame painted with 2 coats of yellow paint, complete as per IRC:SP:55-2001) |
| 9 | Removal of existing cement concrete wearing coat including its disposal complete as per Technical specification without causing any detrimental effect to any part of the bridge structure and removal of dismantled material with all lifts and lead upto 1000m (Thickness 75 mm) |
| 10 | Providing, laying and compacting Bituminous Concrete as per technical Specification Clause no. 507 including tack coat as per Technical Specifications Clause no. 503 using VG 40 grade bitumen) [For Grade-II, [email protected]% rate] |
| 11 | Rust Removal & Steel Protection.- Cleaning as directed & specified all corrosion / rust / scales from reinforcement bars using rust remover Reebaklens RR of Fosroc make or Rust clean of BASF or equivalent of leaving to dry for 30 mins & washing surface with fresh water as required to exposed reinforcement bars complete as specified also providing & applying inhibition coats/system to exposed reinforcement bars after drying & also new bars after cleaning & removing scales and rust completely as specified. Two component inhibitor Concresive ZRI equivalent material of BASF make as approved by engineer shall be used as per manufacturers specification in two coats including all labor tools tackles, necessary surface preparation & necessary protection after & during repair work. |
| 12 | Guniting concrete surface with cement mortar applied with compressor after cleaning surface and spraying with epoxy complete as per Technical specification |
| 13 | Providing and inserting nipples with approved fixing compound after drilling holes for grouting as per Technical specifications including subsequent cutting/removal and sealing of the hole as necessary of nipples after completion of grouting with Cement/Epoxy. |
| 14 | Sealing of crack / porous concrete with Epoxy Grout by injection through nipples complete. |
| 15 | Road marking with hot applied thermoplastic paints with reflectorising glass beads on bitumin surface providing and laying a hot applied thermoplastic compound 2.5 mm thick including reflectorising glass beads @ 250gms per sqm area, thickness of 2.5mm is excluding of surface applied glass beds as per IRC:35-2015. The finished surface to be level, uniform and free from streaks and holes. zebra patta /bump patta lane/center line/ edge line/cut patta. The white color marking should provide liminance coefficinet on cemend road shalll be min 130 mcd/m2/lux and Asphalt road shall be min 100 mcd/m2/lux during the service life during the day time. The marking should meet the performance criteria for night time reflectivity, wet reflectivity and skid resistance as mentioned in the section-15 of IRC 35-2015. Warranty for the Retro reflectivity should be two years. |
| 16 | Supplying and fixing cat eye (Stimsonite) made out from Acrilo beautile sterine injuction high compressed molding with reflector made of MMC (prismatic type of size 12cm x 6cm x 2.5cm) provided with bituminous adhesive 100g. with each unit for fixing. (High Intensity grade) |
| 17 | Hazard Marker Sign :-Providing and fixing sign boards made out of 2.0 mm aluminium sheet/4 mm ACP (Aluminium composite Panel); size 90x30 cms. Rectangular as per design of IRC-67-2012.Pre treated with phosphating process & acid etching coated with one coat of epoxy primer and two coats of best quality epoxy paint; reflectorised with Micro Prismatic Grade retro reflective sheeting of Type-11 as per ASTM D-4956 and latest M.O.S.T. Specifications;1.8mtr long stand post of 75 x 75 x 6mm/65NB Circular MS Pipe as required and frame fabricated from suitable size iron angle of 35 x 35 x 3 mm; painted with best quality epoxy coatings in black and white bends. The details of symbol foreach board shall be as per the instruction of engineer in charge. The fixing at site shall be in 1:2:4 CC block of size 45 x 45 x 60 Cms. for each leg. including excavation, curing etc. complete under the supervision of engineer in charge. A warranty for 10 years for the Retro reflective sheeting from original manufacturer & a certified copy of 3 year outdoor exposure test report from third party test lab for the product offered shall be submitted by contractor. |
| 18 | Cautionary Warning Sign :-Providing and fixing sign boards made out of 2mm aluminium sheet / 4mm ACP (Aluminum composite Panel); size 90 x 90 x 90 cms. equilateral triangle as per design of IRC-67-2012. Pre treated with phospheting process & acid etching; coated with one coat of epoxy primer and two coats of best quality epoxy paint ;reflectorised with Micro Prismatic Grade retro refiectivesheeting of Type-11 as per ASTM D-4956 and latest M.O.S.T.Specifications; 3.6mtr long stand post of 75 x 75 x 6mm / 65NB Circular MS Pipe as required and frame fabricated from suitable size iron angle of 35 x 35 x 3mm; painted with bestquality epoxy coatings in black and white bends. The details of symbol foreach board shall be as per theinstruction of engineer in charge. The fixing at site shall be in 1:2:4 CC blockof size 45 x 45 x 60 Cms. for each leg.including excavation, curing etc.complete under the supervision of engineer in charge. A warranty for 10 years for the Retro reflective sheeting from original manufacturer & a certified copy of 3 year outdoor exposure test report from third party test lab for the product offered shall be submitted by contractor. (A) Class-C Type-11 Retro Reflective sheeting |
| 19 | Providing G.I. 100mm diameter water spouts including necessary iron gratings as per drawings. |
| 20 | Providing and laying of polymer modified micro concrete like Renderoc RG (L) of Fosroc / Master emaco S346 / T 288 of BASF / or equivalent material of Krishna Conchem blended with washed saturated surface dry (SSD), graded, low absorption, high density, aggregates of size 5 mm to 12 mm at 50 % by weight of micro concrete and water at 4 lit. per 25 kg bag and pouring into the form work using suitable arrangement or if required using pumping device for uniform flow of micro concrete. The side shuttering can be removed after 3 days and bottom shuttering after 7 days ensuring proper bond between the micro concrete and the existing concrete sub strate. Item rate is inclusive of the materials all labor, supervision, tools and tackles and transportation including shuttering etc. complete as per specification and as directed by EIC.(Considering Avg. Thickness of 75 mm) |
| 21 | Providing Surface preparation for the damaged concrete members by removing loose, cracked and unsound concrete to expose steel reinforcement completely using heavy duty mechanical breakers with the depth of cutting extended beyond 10mm of main reinforcement followed by cleaning the surface using High pressure water jet at suitable pressure to remove all loose particles, organic matter, marine growth and impurities from the concrete surface making it suitable for repair inclusive all Manpower, Material and Equipment. |
| 22 | Painting Two Coats on New Concrete Surfaces (Painting two coats after filling the surface with synthetic enamel paint in all shades on new plastered concrete surfaces) |
| 23 | Providing & Application of U Wrap till L/4 from the edge of the Girder with 230 GSM Unidirectional Carbon Fiber Reinforce C Fab 230 of Reliance Industries Ltd or equivalent along with fiber anchors with following properties after necessary Surface Preparation & Putty Filling. Aerial Weight: 230 g/m2 Tensile Strength (Composite Laminate) : > 450 MPa E-Modulus (Composite Laminate): > 35 GPa |
| 24 | Carbon Fiber Laminates for structural strengthening - Providing and applying 5mm thick and 105 mm wide Carbon Fiber Pultruded Laminate strips RELinforce C Lam 105/5 of RIL make or equivalent to the prepared substrate using thixotropic epoxy adhesive. The FRP laminate used shall be of zero degree unidirectional fibres having (1) Volumetric fiber content of >65% (2) Tensile strength of 1500 MPa (3) Tensile modulus of 160 GPa. (4) Compressive strain to failure % shall be 0.8. The thixotropic epoxy bonding adhesive shall be applied at 2-3 mm thickness for adhering the laminate to the substrate. (1) The adhesion of the entire system (Laminate and adhesive combined) with concrete shall be > 1.5 - 2 MPa with concrete failure as per ASTM D 4541. (2) The adhesive used shall have tensile modulus > 4100 Mpa (ASTM D638) (3) Tensile Strength > 50 MPa (ASTM D790). Note : Surface to be rendered using epoxy putty like RELinforce EP Putty of RIL or equivalent make. No site made. |
| 25 | Supply & Apply of UV stable, Weather & Chemical Resistance Epoxy Top Coat RELINFORCE Surface Shield EP TC of Reliance Industries Ltd or any other reputed company like Euclid/Thermax/Fosroc having below properties:Concrete Chlorinated Acid: No ChangeConcrete Phosphoric acid: No ChangeConcrete Ammonium Hydroxide: No Change50% Sodium Hydroxide: No ChangeCoating to be applied over entire Girder & Bottom of Slab portion as the area affected by effluent fumes & vapor |
| 26 | Cold milling of existing bituminous layers, excavated material hauling and stock piling the material upto 5 km form the site. |
| 27 | Dismantling the Existing Expansion Joint by Pneumatic Breaker without damaging to the existing reinforcement and removal by cutting with Gas Cutter and Breaking of Concreteup to 0.5 m on both side of joint by Mechanical means including Disposal of malba/debris and Fixing of New Strip Seal Expansion Joint as per drawing including necessary welding, rebaring, fixing of Shuttering & centring and Providing, laying, mixing, vibrating, curing and roughening the surfaces of reinforced cement concrete (with ordinary Portland cement @ 500 kg/m ^3) of grade 53 to required levels and shape at all heights and depth using 20 mm max to 6 mm size graded aggregate as specified and directed in repair of expansion joints etc. with Ready Mixed (Automatic batchmix Plant) of M-50 grade (25Mpa minimum 1 day.) rapid hardening type concrete and self - flowable properties with minimum flow of 450 mm at the time of pouring with bonding coat between old and new concrete curing complete as per the direction of the Engineer-in-Charge. Please Enable Macros to View BoQ information |
