Replacement of the existing LED lighting in the AR-NA building

Summary

The tender concerns the supply of 800 new LED luminaires for the AR-NA building, intended to replace the existing luminaires. It is a pure supply contract and requires LED fixtures that meet energy efficiency and light quality standards, with appropriate mechanical, electrical and safety characteristics. Deliverables include the luminaires (including frame and covering), mounting and connection components, technical data sheets, and installation documentation. The contract targets public buildings and workstation suitability, with CE and relevant certification requirements (e.g., VDE/GS/ENEC or equivalents), 230 V AC supply, DALI dimmable control, minimum illuminance of 500 lux at the work surface, and a color temperature of 4000 K. A minimum two-year manufacturer warranty and availability of spare parts for at least two years after delivery are required. A site visit is optional; two functional mock-ups must be submitted with the offer and the actual delivery will be staged within a maximum total lead time of eight months. Non-disclosable or confidential information will be governed by the contract terms of the contracting authority (Universität Siegen).