HVAC including building automation and specialist coordination
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Description & Project Overview
Oct 30, 2026 | Renovation of Lake Constance Arena service offer: The Bodensee Arena is an important sports, leisure and event facility in the Kreuzlingen-Konstanz region. The facility, which has existed since 1978 and has been expanded several times, is in need of extensive structural, technical and operational renovation. The city of Kreuzlingen is planning to renovate the existing facility and convert the current outdoor ice rink into a training hall.
The existing building structure should continue to be used as far as technically and economically sensible. The implementation takes place in stages, taking ongoing operations into account. With the referendum on September 28, 2025, the investment loan of CHF 26.7 million was approved.
This forms the binding financial upper limit for the entire project. The planning must be consistently developed according to the design-to-cost principle. As part of a selective service offer process with prequalification (phase 1) and subsequent offer (phase 2), a qualified HVAC engineering office is sought for HVAC planning including building automation (MSRL) and specialist coordination.
The office must cover all advertised specialist areas and assume overall responsibility for the coordination and integration of the services within the mandate. The mandate covers the services in accordance with SIA 108 for phases 31–53, from project planning to commissioning. Particular challenges are the different levels of modernization of the existing building technology, the integration of the use of waste heat from the ice slope's cooling system and the coordination of the energy supply and the building services systems in the existing main building and in the new training hall.
We are looking for economical and energy-efficient solutions that take into account the different uses and operating states and enable phased implementation while maintaining ongoing operations as much as possible. The intersection