Damodar Valley Corporation (DVC) has invited bids for the design, engineering, supply, construction, erection, testing, commissioning, and five-year operation and maintenance of an 8 MW grid-tied ground-mounted solar power project at the DVC plant at Konar village in Hazaribagh District, Jharkhand.

The last date for the submission of bids is February 5, 2024. Bids will be opened on February 6.

Bidders must submit a tender fee of ₹25,000 (~$300) and an earnest money deposit of ₹4.2 million (~$50,660.9)

The location of the project is at the DVC Konar Dam, and the specified cell or module technology for the solar installation is mono-crystalline. The tender is flexible concerning the origin of the cell/module manufacturer.

The modules must have a warranty of at least ten years from the supply date, covering material/manufacturing defects and workmanship.

The modules should be warranted with a linear degradation rate of power output, excluding the first year (up to 3%, including LID), and guarantee a minimum of 80% of the initial rated power output after 25 years from the date of commercial operation.

The electrical connection should be done at a voltage level of 33 kV, linking to the DVC 132 kV/33 kV Konar substation at the interconnection point.

The performance parameters at the 33 kV termination point of the DVC switchyard include a minimum performance ratio of 77%. The Capacity Utilization Factor at the same termination point is specified to be 22.5%.

Bidders must independently inspect the site to assess the site’s form, geological conditions, access, and loading/unloading facilities before submitting bids.

They must prepare a comprehensive design basis report, incorporating relevant standards and detailed clause descriptions. The submission should include a summary master schedule or Level 2 schedule, accompanied by a PERT Chart and master drawing list.

Prior to the commencement of detailed engineering and project work, the contractor must submit these documents to the owner for review and approval.

The scope of work of the selected developer also includes conducting a feasibility study for a grid-tied rooftop solar system, which is designated for installation on the roof of the main control room (MCR) buildings. The system’s capacity will be determined during the detailed design and engineering stage based on the available rooftop area.

The rooftop solar system will be integrated with the low-tension system of the MCR building. The general specifications of the rooftop solar system are expected to align with those of a ground-mounted solar system, ensuring consistency in overall design and functionality.

In February last year, DVC invited bids from engineering, procurement, and construction contractors to commission an 8 MW ground-mounted solar project in Dhanbad, Jharkhand.

Earlier, DVC had invited bids to install and commission 10 MW of grid-connected solar projects at its thermal power station in Koderma, Jharkhand.

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