Ventilation Installations for Julius-Leber-Schule, Frankfurt a.M. – Preliminary Measures

Ventilation installations for the renovation of the main building of Julius-Leber-Schule (nine full stories): 1 compact ventilation unit, 1 purge air system with supply air fan and roof pressure relief unit, 2 circular duct fans, 1 recirculation cooling unit, approx. 350 m² ventilation ducts and fittings, approx. 223 m spiral-seam ducts and fittings DN 100 to DN 250, approx. 63 m flexible air ducts DN 100 to DN 200, approx. 70 m refrigerant lines, 4 duct silencers, 4 pipe silencers, 16 telephony silencers, 1 electric reheater, 64 ventilation outlets and grilles, 67 disc valves, 41 volume flow controllers, 20 fire dampers, 16 smoke detection systems and actuator modules, approx. 176 m² cold and thermal insulation, approx. 205 m halogen-free electrical cables and accessories, and the dismantling of a recirculation cooling unit. Construction start is mid-September 2026, completion by end of April 2029.

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