Planning the refurbishment of electrical and network infrastructure in Building 23c

Summary

The tender concerns technical design services for renewing the electrical and network infrastructure in Building 23c at the Helmholtz-Zentrum Hereon site in Geesthacht. The designer is to plan a comprehensive upgrade of the building’s power supply and communications network, including distribution boards, cabling, sockets, lighting, network cabinets and outlets, cable routes, and fire-stopping. The design must also account for emergency lighting, electromagnetic compatibility, network cable lengths, selectivity of the electrical supply, and surge protection; external lightning protection is excluded. By 15 October 2026, bidders must submit a free, project-specific preliminary fee proposal based on HOAI 2021 and the contract, and return the signed contract. The preliminary construction cost estimate is EUR 500,000 net. The fee proposal must include estimated hours for special services: 10 hours for the contractor and partners, 40 hours for employees, and 20 hours for technical draftspeople. Offers will be ranked from lowest price upward, and the contract will be awarded to the lowest-priced bidder; the detailed design is due by 15 December 2026. Bidders must meet the insurance, occupational safety, and subcontracting requirements set out in the tender documents.