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| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L1₹7.2 CrAccepted-AOC | ₹7.2 Cr | L1 | Accepted-AOC Being the lowest and reasonable tender |
| 2 | L2₹7.4 CrRejected-Finance | ₹7.4 Cr | L2 | Rejected-Finance Not being the lowest tender. |
| 3 | Rejected-Technical BLOCK C 14 GROUND FLOOR PLOT 618 624 BHIVANDIWALA TERRACE JAGANNATH SHANKARSHETH MARG DHOBI TALAO NEAR KALBADEVI POST OFFICE MUMBAI 400002 | MUMBAI | MAHARASHTRA | 400002 | - | - | Rejected-Technical As per technical evaluation summary. |
| 4 | Rejected-Technical | - | - | Rejected-Technical As per technical evaluation summary. |
| 5 | Rejected-Technical 8 51 PLOT NO 6 LIC COLONY SUJATA NAGAR PENDURTHY MANDAL VISAKHAPATNAM 530042 AP | 530042 | - | - | Rejected-Technical As per technical evaluation summary. |
| Sl No | Description | Qty | Unit | K R TRADERS L1 | Nexus Infratech L2 |
|---|---|---|---|---|---|
| 1.00PHASE-I | |||||
| 1.01 | Design, Supply, Installation, Testing, and Commissioning of a grid-connected rooftop solar power generation system of 100 KWp AC capacity each at NCS Primary (O-27) Building and NKG School, including all connected accessories, complete as specified and directed, and in accordance with the PS clause and the following specifications: | 2 | Each Job | 61,33,333 ₹1.2 Cr | 61,96,540 ₹1.2 Cr |
| 1.02 | Design, Supply, Installation, Testing, and Commissioning of the Grid Connected Roof Top Solar Generation System with a capacity of 200 KWp AC at Dock Master Complex, Dockyard Area with connected accessories all as specified and directed as per PS clause including specification as follows: | 1 | Each Job | 1,25,33,333 ₹1.3 Cr | 1,25,00,000 ₹1.3 Cr |
| 1.03 | Design, supply, installation, testing, and commissioning of grid-connected rooftop solar generation system of 600 KWp AC capacity at INHS Asvini Building, with connected accessories, all as specified and directed as per PS clause including specifications as follows: | 1 | Each Job | 3,82,66,666 ₹3.8 Cr | 3,67,52,963 ₹3.7 Cr |
| 1.04Notes for item 1.01, 1.02 & 1.03:- (A) Supply, Installation, Testing, and Commissioning of 100/ 200/ 600 KWp SPV System Comprising of 540/545/535 Wp solar photovoltaic modules/array of high efficiency made of mono-crystalline silicon solar PV cells, including supply and fixing of terminal box on the module with provision for opening and replacing the cable, etc., as per the direction of IEC. The general features of PV modules shall be as given below: a) The module shall be made up of mono-crystalline silicon cells. b) The interconnected cells shall be laminated in vacuum to withstand adverse environmental conditions. c) The module frame shall be made of corrosion-resistant materials, preferably having an aluminium anodized finish. d) The minimum clearance between the lower edge of the modules and the developed ground level shall be 450 mm. e) Surge arresting devices shall be provided at the junction box, and the module shall be provided with bypass diodes. f) The SPV module must be IEC 61215, IEC 61730 Part I & Part II, and IEC 61701 certified by any accredited certifying agency. g) Each solar PV module must carry at least a five-year warranty from the manufacturer. Note: Quantity of PV modules shall be decided as per OEM recommendation, design, and layout drawings submitted to the department and approved by the Accepting Officer. Additional Notes: (i) Makes of panels provided shall conform to MNRE specifications/standards and must be registered in the ALMM. (ii) 0.25% spare quantity of modules shall be provided by the contractor for repair/replacement purposes. (iii) Additional modules shall be provided/installed by the contractor to meet the specified power output, in case the required output is not achieved during testing and commissioning, at no extra cost. (iv) Each PV module used in any solar power project must have an RF identification tag. The following information must be mentioned in the RFID tag on each module: (a) Name of the manufacturer of PV module (b) Name of the manufacturer of solar cells (c) Month and year of manufacture for solar cells and the module (d) Country of origin (Make in INDIA only) (e) I-V curve for the module (f) Wattage, Im, Vm, and FF for the module (g) Unique Serial Number and Model Number of the module (h) Date and year of obtaining IEC PV module qualification certificate (j) Name of the test lab issuing IEC certificate (k) Other relevant information on traceability of solar cells and module | |||||
| 1.05(B) Module Mounting Structure (MMS) Supply and fixing of anti-corrosive, factory-made hot-dip galvanized structure on the RCC roof for installation of PV modules using suitable size fasteners, spring washers, and stainless steel nuts and bolts. The mounting structure shall conform to IS 2062:1992, and the galvanization shall comply with the latest IS 4759. The structure must be capable of withstanding a minimum wind speed of 150 km/hr, in accordance with IS 875. The array structure shall be properly fixed using a maintenance-free earthing kit. Note: (i) The design of the module mounting structure, including load-bearing capacity as per relevant IS standards and the fixing arrangement on the roof, shall be submitted by the contractor for approval by the Accepting Officer, along with all detailed calculations. (ii) The material shall be corrosion-resistant and electrolytically compatible with the material used in the module frame. (iii) The fasteners shall be of stainless steel and designed to allow easy replacement of any module. (iv) The minimum clearance of the structure from the roof level shall be 450 mm. | |||||
| 1.06(C) Solar DC Cables Supply and laying of cable from the solar module to the DC combiner box, and from the DC combiner box/DCDB to the inverter, shall be solar cable type XLPO – flexible, tinned copper, stranded class-5 conductors, as per IEC-60228. Insulation: Cross-linked Polyolefin Outer Sheath: Halogen-free Polyolefin, black in colour Marking: ISI-marked Installation: Through PVC rigid conduit pipe, properly saddled, as per site requirements and in accordance with IEC directions (for solar array DC supply connections). | |||||
| 1.07(D) DC Combine box A DC combiner box inbuilt within the inverter shall be used to combine the DC cables of the solar module array. It shall include DC fuse protection for the outgoing DC cables leading to the DC distribution box (DCDB). | |||||
| 1.08(E) Array junction boxes The number of junction boxes, as per the design provided by the OEM, shall be installed in the PV array for the termination of connecting cables. All wires/cables must be terminated using cable lugs. The junction boxes shall house copper busbars or terminal blocks, and shall conform to IP65 degree of protection, with EPDM rubber gaskets to prevent water ingress. Junction boxes shall be mounted on the Module Mounting Structure (MMS) in such a manner that they remain easily accessible and are protected from direct sunlight and harsh weather conditions. | |||||
| 1.09(F) On-Grid Power Conditioning Unit (Inverter) Supply and installation of 415V, 3-phase, 50 Hz, microprocessor-based DSP-type grid-connected inverters, which convert DC energy produced by the solar array into AC energy and synchronize it with the existing AC power source on-site. Provision shall be made for a power manager to monitor and display all electrical parameters. The inverter shall be equipped with an inbuilt MPPT (Maximum Power Point Tracker) to extract maximum power from the PV modules. The MPPT unit shall undergo environmental testing in compliance with IEC 60068-2 (1, 2, 14, 30) or equivalent BIS standards. It must be capable of operating with voltage variation of ±10% and frequency variation of ±3 Hz. Note: (i) The number of inverters shall be as per the approved technical design and suitable for the solar system’s wattage. (ii) The inverter shall have internal protection against any sustained faults in the feeder line and against lightning strikes on the feeder. (iii) Inverter efficiency shall be: Greater than 97% without inbuilt galvanic isolation. Greater than 93% with inbuilt galvanic isolation. (iv) No-load losses shall be less than 1% of the rated power. (v) The inverter shall be installed at a suitable location approved by the client. A well-ventilated, weather-protected shed shall be constructed by the contractor for this purpose. The cost for this is deemed to be included in the quoted rates. (vi) The inverter must include galvanic isolation, anti-islanding protection (as per IEEE 1547/UL 1741 or equivalent BIS standard), and lightning protection. (vii) Isolation method shall be transformer-less, with smart forced cooling, LED display, and RS 485/PLC communication interface. | |||||
Updated dates
Tender Value
₹7.7 Cr
EMD Value
₹7.1 L
Closing Date
21 Oct 2025, 6:00 pmClosed
Chief Engineer (Navy) Mumbai
Chief Engineer (Navy) Mumbai Shahid Bhagat Singh Marg, Colaba, Mumbai 400 005
ROOFTOP SOLAR SYSTEM AT CERTAIN BUILDINGS IN OLD AND NEW NAVY NAGAR, NAVAL DOCKYARD MUMBAI AND INHS ASVINI
2025_MES_732118_1
87972/E8
Open Tender
Electrical and Maintenance Works
122 days
Colaba
As per NIT
10 documents required · 10 mandatory
₹3,000
GE (NW) Navy Nagar
₹7.1 L
Yes
2 Feb 2026
22 Sept 2025
23 Oct 2025
22 Sept 2025
21 Oct 2025
29 Sept 2025
22 Sept 2025 - 29 Sept 2025
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