Bharat Heavy Electricals Limited (BHEL) has issued a notice inviting tender for the design, supply, installation, and commissioning of the balance of systems (BoS) for a 5 MW grid-connected solar power project at BHEL-Bhopal, Madhya Pradesh.

The scope of work includes the supply of power conditioning unit (PCU), inverter transformer, high tension cables, SCADA, lightning arrestor, aux transformer, earthing system, module cleaning system, cable lugs, glands, fire alarm system, weather monitoring system, cable tray, earth chambers. Vendors must also install, test, and commission SMB, PCU, inverter transformers, aux transformer, HT panels, distribution board, UPS, panels, earthing, cable tray, cable laying, and terminations.

Vendors must supply the BoS components within 12 weeks from the purchase order. The components must be commissioned within four weeks from the completion of supply.

The last day to submit the bids is May 23, 2022. Bids will be opened on the same day.

Bidders must furnish a contract performance guarantee of 10% of the project cost if the contract value is above ₹2.5 million (~$33,147).

Bidders must be established engineering, procurement, and construction or electrical BoS supply, installation, and commissioning contractors. They must have completed supply, installation, and commissioning, including electrical equipment package AC and DC BoS, at solar power projects of at least 5 MW cumulative capacity, with a minimum individual project capacity of 1 MW. The work should have been executed during the last five years.

For items that are divisible, Micro and Small Enterprise (MSE) vendors quoting within the price band of lowest (L1) + 15% will be allowed to supply 25% of the requirement subject to the acceptance of the L1 price. In case the L1 bidder is not an MSE, then all the MSE vendors who have quoted within the range of L1 + 15% will be given the opportunity in order of their ranking to bring down their price to match the L1 price. The contract will be awarded to the MSE vendor who matches the price quoted by the L1 bidder.

For items that are not divisible, MSE vendors quoting within a price band of L1 + 15% will be allowed to supply up to 100% of the requirement.

If the vendor fails to deliver the BoS components on time, liquidated damages will be charged at 0.5% of the undelivered portion per week or part thereof, with a ceiling of 10% of the total contract price.

Vendors must provide a 60-month guarantee for the power conditioning unit from the date of commissioning. For Inverter transformers, vendors must provide a 24-month guarantee, and for all other items, a 12-month guarantee.

BHEL had issued a tender to supply 145.54 tons of module mounting structures for the same project.

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