Grounding and lightning protection systems for the new Wissingen primary school

Summary

The tender covers the installation of lightning protection and earthing systems for the new primary school in Wissingen, in the municipality of Bissendorf. The work includes a complete external lightning protection system to protection class III, roof air terminals, down conductors, ring and foundation earthing, and equipotential bonding at the entrances. The external lightning protection components must be suitable for wind zone 1. The scope also includes system inspection and commissioning, acceptance by a specialist, and the required test, as-built and photographic documentation. The offer also includes maintenance and inspection at two-year intervals, with two maintenance visits envisaged over four years. The annual maintenance price must be quoted and is included in the price evaluation, although maintenance work will be commissioned separately from the main contract. Bids must be submitted electronically through the procurement platform only. The submission must include the priced bill of quantities, offer letter, GAEB exchange file, price-calculation form 221 or 222, completed maintenance contract and work card, and a declaration on payment of minimum wages. Price is the sole award criterion. The bid deadline is 21 October 2026 at 10:10. The bidder must undertake to pay the required minimum wage; from 1 January 2026 this is at least EUR 13.90 per hour, unless a higher rate applies under legislation or a collective agreement. Suitability is assessed in part through comparable work experience, company information and availability of the necessary workforce. The tender documents also require German-speaking management staff who remain on site while the work is being performed.