Tender For Special Repair Of Bridge And Associated Marine Structure Of Ammunition Jetty At Naval Station Karanja
Tender Value
20.50 Crore
Estimated cost
Bid Submission
05 Aug 2026
20 days left
EMD
13.50 Lakhs
Bank guarantee accepted
Document Fee
3000
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Raigad → Maharashtra
EMD Exemption
Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Special Repair Of Bridge And Associated Marine Structure Of Ammunition Jetty At Naval Station Karanja
BOQ
| Sl. No. | Item Description |
| 1 | M&L for Breaking of structural elements in straight lines or geometrical forms, grooving the edges of the same with grinder up to concrete cover depth without damaging existing rebars, carefully removing carbonated concrete around the rebars up to 10 mm depth by low-impact high-frequency hammer/chipper without damaging the sound concrete, as per detailed methodology, daily cleaning and stacking of debris at prescribed locations in polypropylene/paper bags, disposing of the debris so generated on a weekly basis outside the premises, etc., complete as directed by the Engineer-in-Charge. (Note: Scaffolding and enabling is included in the cost; debris disposal items paid separately.) |
| 2 | Chipping work (Bridge) |
| 3 | Chipping work (Jetty) |
| 4 | M&L for Clean existing reinforcement using manual/rotary wire brushing to remove rust scales, loose materials, dirt, and contaminants, making the surface suitable for treatment, and providing and applying chloride-free chemical rust remover to corroded reinforcement steel and mild steel surfaces, conforming to the manufacturer’s specifications for effective removal of rust without inducing further corrosion; the work shall include thorough surface preparation by mechanical means such as wire brushing, scraping, or light grinding to remove loose rust scales, followed by brush/swab application of the rust remover, allowing necessary reaction time, complete with all materials, labour, tools, safety measures, and disposal, all as per manufacturer’s specifications and as directed by the Engineer-in-Charge. |
| 5 | On chipping work (Bridge) |
| 6 | On chipping work (Jetty) |
| 7 | M&L for Fixing of Nozzles: Drilling holes of 12 mm diameter and up to 100 mm depth at 150 mm to 500 mm c/c along cracks or as directed by the Engineer-in-Charge, cleaning the holes with air jet, and fixing injection nozzles/packers suitable for pressure injection grouting using pumps, etc., complete as specified and directed. |
| 8 | Nozzle fixing (Bridge) |
| 9 | Nozzle fixing (Jetty) |
| 10 | M&L for Injection Grouting: Providing and applying injection grouting through the nozzles provided into the cracks/honeycombed areas by suitable grouting pump under pressure until refusal, including all labour, supervision, tools and tackles, transportation, etc., complete as per specifications and as directed. Low-viscosity (200 - 300 cPs) epoxy resin, all as specified and directed. |
| 11 | For Bridge |
| 12 | For Jetty |
| 13 | M & L for Corrosion Resistant Steel (CRS) TMT steel bars minimum 10 mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends, and binding with and including mild steel wire (annealed) not less than 0.9 mm dia or securing with clips, along with replacement of existing steel for strengthening purposes, complete all as specified and directed by the Engineer-in-Charge. |
| 14 | M&L for Providing and applying bond coat on the prepared surface to receive new polymer mortar/polymer-modified concrete, with two-component epoxy-based bonding coat, applied in one full coat. Laying of reinstatement polymer mortar or micro-concrete shall be completed within the open/overlay time of the bonding coat. This bond coat shall act as a bonding agent between old and new concrete. Item rate inclusive of all materials, labour, supervision, tools, tackles, transportation, etc., complete as per specifications and as directed. The material shall exhibit bond strength exceeding concrete tensile strength (as per ASTM C881), tensile strength > 10 N/mm², compressive strength > 60 N/mm², and flexural strength > 25 N/mm² (as per BS 6319), with pot life 30–50 minutes, tack-free time 1–2 hours, full cure in 7 days, and coverage of 2–3 m²/kg, ensuring durable, moisture-tolerant, and chemically resistant bonding. |
| 15 | Bond coat for (Bridge) |
| 16 | Bond coat for (Jetty) |
| 17 | M&L for Chemical Anchoring System: Providing and fixing Rebar up to 10d depth with epoxy resin chemical anchoring adhesive as per structural drawings, manufacturer's instructions, and as directed by the Engineer-in-Charge for anchoring of reinforcement bars. Rate to include cost of drilling by mechanical means in concrete, cleaning the drilled holes with oil-free compressed air jet/wire brush, insertion of chemical adhesive, placing rebar, and allowing adhesive to cure, complete all as specified and directed. Note: Follow manufacturer’s specified drill diameter, typically hole dia ≈ rebar dia + 4 mm to 8 mm, ensuring neither oversized holes (risk of bond failure) nor undersized holes (difficulty in insertion); steel rebars to be paid separately under respective line item. |
| 18 | 8mm dia rebar in 12mm dia holes |
| 19 | 10mm dia rebar in 14mm dia holes |
| 20 | 12mm dia rebar in 18mm dia holes |
| 21 | 16mm dia rebar in 22mm dia holes |
| 22 | Galvanic Anode: Embedded Sacrificial Galvanic Anode: Providing and fixing galvanic sacrificial anodes, in compliance with ASTM B418 Type I, in RCC elements by tying them securely to the existing clean reinforcement steel bars with the factory-attached wires in a grid fashion to achieve a protective corrosion potential more negative than the adjacent rebar substrate. The sacrificial anode shall have a minimum zinc mass of up to 60 grams encased in a pre-packaged conductive cementitious mortar. The anodes shall be completely soaked in clean water for approximately 30 minutes immediately before installation, the work to be executed complete all as specified and directed. |
| 23 | Bridge |
| 24 | Jetty wall |
| 25 | M&L for Providing and laying of polymer-modified, single-component, alkali-resistant fibre-reinforced, dual shrinkage-compensated, thixotropic, cementitious patch repair mortar, achieving a compressive strength of not less than 35 MPa at 7 days, and finishing with trowel, carefully compacting the same around the rebars and finishing to bring it in line with the existing concrete surfaces of beams, slabs, pile caps, etc., where the thickness of application is less than 40 mm in patches, as per specifications, after applying bonding coat (bonding coat shall be payable separately). Item rate inclusive of all materials, labour, supervision, tools, tackles, transportation, etc., complete as per specifications and as directed. The material shall exhibit compressive strength ≥ 45 N/mm² at 28 days (as per BS 6319), bond strength ≥ 2 MPa (as per EN 1542), flexural strength ≥ 8 N/mm², and tensile strength ≥ 4.5 N/mm², with low shrinkage, high durability, capillary absorption ≤ 0.5 kg/m²·h^0.5 (as per EN 13057), and coverage of approximately 1.4 m² per 25 kg bag at 10 mm thickness, ensuring dense, durable, and structurally compatible repairs. |
| 26 | PMM for Bridge |
| 27 | PMM for Jetty |
| 28 | Micro-Concrete: Providing and laying of polymer-modified micro-concrete of M40 grade, blended with washed, saturated surface-dry (SSD), graded, low-absorption, high-density aggregates of size 8 mm and below up to 50% by weight of micro-concrete, mixed with water at approximately 4 litres per 25 kg bag, and pouring or pumping the same into the formwork using a suitable pumping or pouring device to ensure a uniform, honey-comb-free flow of concrete. Side shuttering shall be removed after 3 days and bottom shuttering after 7 days, ensuring a proper bond between the micro-concrete and the existing concrete substrate. Item rate inclusive of all materials, labour, supervision, tools, tackles, transportation, curing, etc., complete all as per specifications and as directed by the Engineer-in-Charge. |
| 29 | For Bridge repair |
| 30 | For Jetty repair |
| 31 | M&L for Centering and shuttering including strutting, propping, etc., and removal of formwork for plain cement concrete (PCC) or reinforced cement concrete (RCC) works, complete all as specified and directed by the Engineer-in-Charge. |
| 32 | Providing and laying in situ M40 grade design-mix controlled cement concrete using trap, granite, quartzite, or gneiss coarse aggregate for prestressed concrete (PSC) works in solid or deck slabs, etc., including ramming, vibrating, curing, formwork, centering, and finishing the exposed concrete surfaces to a smooth finish, excluding reinforcement, complete at bridges, all as specified and directed by the Engineer-in-Charge. |
| 33 | Demolition of old reinforced cement concrete (RCC) of any description and in any position, not otherwise specifically provided for, including cutting and removal of old reinforcement steel bars and stacking the same separately for measurement, complete all as specified and directed by the Engineer-in-Charge. |
| 34 | Disposal of structural debris/removing old concrete, etc. to outside MoD land, the lead included in the rates, including loading, unloading, and stacking at the destination and taking approval from local authorities complete all specified and directed by the Engineer-in-Charge. |
| 35 | M&L for 400 GSM CFRP Wrapping: Surface Preparation: Measuring the surface moisture on concrete surfaces using a moisture meter and ensuring that it is below 4%. Transferring the position of FRP application areas as per drawings onto the RCC elements and highlighting the same. Clearing the application area of any projections, rounding off corners and edges to a minimum 25 mm radius by using vacuum-enabled surface grinders, and filling honeycombed areas, voids, or undulations of up to 5 mm depth with epoxy sealant, including the removal of dust, oily residue, laitance, etc., so as to achieve a leveled surface for further carbon fibre system application. Strengthening structural elements with a non-metallic composite fibre wrapping system comprising a unidirectional carbon fibre sheet and compatible saturant, by wet lay-up system, including the following and all as per directions of the Engineer-in-Charge. Wrapping: Wrapping the fibre sheet with approved/recommended overlapping to the structural element at the desired orientation using a tamping roller to avoid any air voids, etc.; repeat the same procedure for multiple layers with an interval of 8 hours, complete all as specified and directed. (Note: Total net surface area of carbon fibre sheet applied shall be payable.)Surface preparation: Grinding/ moulding concrete substrate, cleaning it with wire brush removing oil, laitance if present, rounding sharp edges to min 25 mm radius etc. complete.Profiling: Applying primer on prepared substrate, Filling the holes and uneven surface with thixotropic putty etc. complete.Wrapping: Wrapping the fiber sheet to structural element at desired orientation using tamping roller to avoid air voids etc. repeat the same procedure for multiple layer with the interval of 8 hrs.Sand pasting: Applying second coat of Saturant after min. 12 hrs, rectify air voids if any paste river sand on it to make surface rough to take any further finishes. |
| 36 | M&L for Providing and fixing Carbon Fibre Laminate (100 mm width × 1.4 mm thickness)—Strengthening of structural members with Carbon Fibre Laminate plates of 100 mm width and 1.4 mm thickness: Providing and applying carbon fibre laminate strips to the prepared substrate, including cutting the laminates to required lengths as per the design, applying a coat of epoxy bonding adhesive onto the laminates, and fixing the same to the structural elements at the desired orientation using a tamping roller to avoid any air voids, etc., complete in all respects including all materials, labour, tools, tackles, and equipment, all in accordance with the manufacturer’s specifications, approved drawings, and as directed by the Engineer-in-Charge.Surface Preparation: Grinding the concrete substrate to achieve a sound surface. Thorough cleaning using a wire brush to remove oil, laitance, and contaminants, ensuring a clean, sound surface for bonding.Profiling: Applying a compatible, solvent-free epoxy primer to the prepared substrate. Filling voids, holes, and uneven surfaces with a solvent-free, epoxy-based thixotropic putty to ensure a level application surface.Application of Plate: Marking the precise application area on the structural element. Cutting the laminate plate to the required dimensions as per design. Applying compatible structural adhesive to the plate. Fixing the plate to the designated area, utilizing a tamping roller to ensure full contact and to eliminate any entrapped air voids. Final finishing as directed by the Engineer-in-Charge. |
| 37 | Supply and Fixing of CFRP Anchors: Supply and fixing of Carbon Fibre Reinforced Polymer (CFRP) anchors using a two-component epoxy resin system for impregnation and structural bonding. The material shall consist of a two-component liquid epoxy system specialized for saturating glass or carbon fabrics to form an in-situ fibre-reinforced polymer composite layer, complete in all respects including all materials, labour, tools, tackles, temporary staging, and material lifts, all in accordance with the manufacturer's specifications, approved structural drawings, and as directed by the Engineer-in-Charge. |
| 38 | Strengthening structural elements with Fabric-Reinforced Cementitious Matrix (FRCM): Providing and applying a composite system consisting of specially treated carbon fabric (200 GSM mesh with minimum 1 cm × 1 cm openings) embedded in a high-strength M40 grade compatible cementitious matrix to form a 10 mm thick composite system for RCC structural repair, including the following operations: Surface Preparation: Grinding/moulding concrete substrate, cleaning it with a wire brush, removing oil, laitance if present, and rounding sharp edges to a minimum 25 mm radius, etc., complete. Filling the holes and uneven surfaces with cementitious thixotropic putty/repair mortar, etc., complete. Applying the mesh to structural elements at the desired orientation, sandwiching it between layers of 4 mm to 5 mm thick cementitious matrix as per manufacturer's specifications, and repeating the same procedure for multiple layers (if any), complete all as specified and directed by the Engineer-in-Charge. (Note: Total net surface area of the carbon fabric sheet consumed shall be payable.) |
| 39 | M&L for Underwater Inspection: Conducting comprehensive underwater inspection of submerged or tidal structural elements (such as piles and pile caps) by commercial divers to locate and document areas of spalling, reinforcement corrosion, structural cracks, or severe damage; the work shall include a visual assessment, photographic-cum-video documentation, and specialized Non-Destructive Testing (NDT) to analyze the physical and chemical disintegration of the underwater structure, followed by the submission of the inspection report in five copies, both before the commencement and after the completion of the rectification work, complete all as specified and directed by the Engineer-in-Charge. |
| 40 | Bridge |
| 41 | Jetty wall |
| 42 | M&L for Underwater Surface Preparation: Cleaning of defective or deteriorated concrete surfaces over an average width of 50 mm using high-pressure underwater water jets to completely remove marine growth, fungal deposits, silt, and other foreign materials to expose a clean, sound, and visually verifiable concrete substrate; the item rate shall include the cost and hire charges of all mechanical jetting machinery, specialized commercial diving equipment, diving platforms, mandatory safety gear, personal protective equipment (PPE), standby safety measures, and all labour and deployment charges for commercial divers, etc., complete all as specified and directed by the Engineer-in-Charge. |
| 43 | Bridge |
| 44 | Jetty wall |
| 45 | M&L for Underwater Crack Groove Cutting: Grooves shall be cut along cracks using an underwater concrete cutting machine, to a size of 5 mm wide and 75 mm deep on each side of the crack, to form a 'V' groove all along the crack (applicable for both horizontal and vertical cracks) to receive underwater polyester resin/epoxy putty. After the groove cutting, the concrete shall be removed from the groove using a pneumatic concrete chipping machine to complete the 'V' groove profile. The item rate shall include the cost and hire charges of pneumatic equipment, air compressors, mandatory safety gear, standby safety precautions, and all labour and deployment charges for commercial divers with specialized accessories, etc., complete all as specified and directed by the Engineer-in-Charge. |
| 46 | Bridge |
| 47 | Jetty wall |
| 48 | M&L for Underwater Crack Sealing/Filling using underwater Epoxy mortar: Underwater epoxy putty shall be mixed using a slow-speed heavy-duty mixing machine to obtain a uniform mix. The mixed materials shall be placed all along the prepared 'V' groove and finished smoothly using a putty blade/trowel within 30 minutes by commercial divers. The finished surface shall be allowed to cure for a minimum of 24 hours to attain its characteristic strength. The item rate shall include the cost of all materials, hire charges for all machinery, specialized commercial diving equipment, diving platforms, mandatory safety gear, personal protective equipment (PPE), standby safety measures, and all labour and deployment charges for commercial divers with accessories, etc., complete all as specified and directed by the Engineer-in-Charge. |
| 49 | Bridge |
| 50 | Jetty wall |
| 51 | M&L for Underwater Providing and Fixing of Nozzles for high-pressure underwater epoxy grout: Drilling holes of 12 mm to 18 mm dia up to a depth of minimum 100 mm across cracks at an angle of 45°, spaced at 500 mm c/c, using a pneumatic drilling machine without disturbing the epoxy mortar filled in the 'V' groove, by commercial divers. The nozzles shall be inserted into the drilled holes and fixed using an underwater polyester resin grout, and allowed to cure to achieve a final set. The item rate shall include the cost of all materials, hire charges for all machinery, specialized commercial diving equipment, diving platforms, mandatory safety gear, personal protective equipment (PPE), standby safety measures, and all labour and deployment charges for commercial divers with accessories, etc., complete all as specified and directed by the Engineer-in-Charge. |
| 52 | Bridge |
| 53 | Jetty wall |
| 54 | M&L for Underwater High-Pressure Epoxy Grouting: Grouting with moisture-insensitive underwater epoxy grout; base and hardener shall be mixed using a handheld heavy-duty electrically operated mixing machine until a uniform mix is obtained. The mixed material shall be poured into the high-pressure grouting pump container and injected through the non-return nozzles already fixed along the cracks. The grouting operation shall be executed progressively from the bottom of the crack upward until grout refusal or rejection occurs at adjacent grouting ports. The grouting shall be carried out by commercial divers equipped with specialized underwater communication devices to monitor real-time pressure and flow conditions. The item rate shall include the cost of all materials, hire charges for all machinery, specialized commercial diving equipment, diving platforms, mandatory safety gear, personal protective equipment (PPE), standby safety measures, and all labour and deployment charges for commercial divers with accessories, etc., complete all as specified and directed by the Engineer-in-Charge. |
| 55 | Bridge |
| 56 | Jetty wall |
| 57 | M&L for Providing high-quality elastomeric bearing pad (neoprene or rubber) of 100 mm to 150 mm thickness, in rectangular or square shape, with a translation/movement capacity of ± 20 mm. The pad shall be resistant to UV radiation, ozone, and extreme weather weathering, complete all as specified and directed by the Engineer-in-Charge. |
| 58 | M&L for Bearing Cleaning and Pier Cap Cleaning: Cleaning of existing structural bearings and pier cap surfaces to ensure unhindered and proper design movement of the bridge deck spans, including the provision and use of all tools, specialized cleaning machinery, temporary scaffolding, staging, and hanging cradles, complete all as specified and directed by the Engineer-in-Charge. |
| 59 | M&L for Synchronized Lifting of Spans and Bearing Replacement: Synchronized lifting of bridge deck spans at structural bearing locations using suitable heavy-duty hydraulic jacks connected via high-pressure armored rubber hoses to a centralized manifold pump unit; the scope includes the careful removal of old degraded structural bearings, refurbishing of concrete pedestals, and precise placing/alignment of new elastomeric bearings, including the provision of all necessary structural steel packing, shims, cribbing, or support assemblies required for temporary stabilization, as well as the cutting or modification of structural steel elements as specified and directed by the Engineer-in-Charge. |
| 60 | Providing, fabricating, and erecting structural steel work in rolled sections (such as joists, channels, angles, tees, etc.), all as per detailed designs and drawings, including cutting, fabricating, hoisting, erecting, and fixing in position, making riveted, bolted, or welded connections, excluding connecting plates, braces, gussets, etc., and including one coat of approved anti-corrosive primer followed by two coats of synthetic enamel oil paint of approved quality and shade, complete all as specified and directed by the Engineer-in-Charge. |
| 61 | M&L for Providing and laying of a buried expansion joint over a 20 mm expansion gap, covered with a 12 mm thick, 200 mm wide galvanized weldable structural steel plate conforming to IS:2062, placed symmetrically over the centre line of the joint and resting freely over the top surface of the deck concrete, including welding of 8 mm diameter, 100 mm long galvanized dowel nails spaced at 300 mm c/c along the centre line of the plate, complete all as specified in Clause 2604 of MoRTH specifications and as directed by the Engineer-in-Charge. |
| 62 | Demolition of road concrete, chippings, etc., on the site of work, when specially ordered, including screening of dismantled materials, separating screened materials clear of screens, and stacking them in separate heaps systematically for measurement, complete all as specified and directed by the Engineer-in-Charge. |
| 63 | M&L for Providing and laying design-mix cement concrete in pavements or hard-standings, achieving a minimum characteristic flexural strength of 40 kg/cm² at 28 days in the field, using a minimum of 400 kg of cement per cubic metre of concrete, with a pavement thickness of 25 cm or less, complete at bridges, all as specified and directed by the Engineer-in-Charge. |
| 64 | M&L for Forming Contraction (Dummy) Joints of size 65 mm deep × 10 mm wide in concrete pavements, including cutting or sawing the grooves, cleaning, and filling the joints completely with joint sealing compound, Grade 'A', complete all as specified and directed by the Engineer-in-Charge. |
| 65 | M&L for Forming Construction Joints of size 30 mm deep × 10 mm wide in cement concrete pavements, including cutting, routing, or sawing the grooves, thoroughly cleaning the joint recesses, and filling them completely with joint sealing compound, Grade 'A', complete all as specified and directed by the Engineer-in-Charge. |
| 66 | M&L for Construction of precast reinforced cement concrete (RCC) railing of M30 grade, using coarse aggregate of nominal size not exceeding 12 mm, finished true to line and grade; structural tolerances for vertical RCC posts shall not exceed 1 in 500, and the centre-to-centre spacing between adjacent vertical posts shall not exceed 2,000 mm, leaving adequate expansion space between the vertical posts and horizontal rails as per approved drawings and technical specifications, complete all as specified and directed by the Engineer-in-Charge. |
| 67 | M&L for Protective Coating: Providing and applying a single-component, high-build, elastomeric, crack-bridging, UV-resistant, and breathable acrylic protective coating featuring resistance to carbon dioxide (CO2), sulphur dioxide (SO2), and chloride ion diffusion, with an elongation at break exceeding 300%; the system shall be executed using approved materials applied in two coats (each coat achieving a minimum of 150 microns Dry Film Thickness [DFT]) over an approved acrylic-based primer layer to attain a total minimum average thickness of 300 microns DFT, all in accordance with the manufacturer's recommendations and specifications. The item rate shall be inclusive of all materials, labour, technical supervision, tools, tackles, scaffolding, staging, and transportation, etc., complete all as specified and directed by the Engineer-in-Charge. (Note: A detailed execution and quality control report for the completed work shall be submitted by the contractor as a mandatory part of the contract documentation for final inspection, checking, and joint measurement.) |
| 68 | Dismantling structural steel work, including doors and gates, but excluding framed trusses, etc., complete all as specified and directed by the Engineer-in-Charge. |
| 69 | M&L for cutting the existing MS Rail embedded in the road surface to facilitate the lifting of the span for the replacement of bearings, including all operations as specified and directed by the Engineer-in-Charge. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Jul 08, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedAug 05, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 20 daysAug 07, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 22 daysTender Documents
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