21E0452 (LBB NL Mainz) Mainz University of Applied Sciences Koblenzer Strasse - new building, 2nd construction phase / ventilation systems, extraction systems.

RLT systems: 3 central air-conditioning units 23,000 m³ / h supply and exhaust air for outdoor installation, 1 central air-conditioning unit 28,000 m³ / h supply and exhaust air for outdoor installation, 7 pipe fans, 241 fire dampers, 796 pcs Ventilation grilles and poppet valves, 255 volume flow controllers, 369 silencers, 5,000 m 2 Air duct, partly outdoors on the roof, 1 550 running meters of folded spiral-seam pipe DN 100 to DN 400, partly outdoors on the roof; Smoke extraction system: 2 smoke extraction roof fans, 4 extraction grilles; Extraction systems workshops: 14 roof fans, 4 clean air dedusting devices with 3,500 m³ / h to 7,100 m³ / h air volume flow, 2 filter housings with activated carbon filters, 53 gate valves with motor drive, 350 running meters of flared pipe, 155 running meters of polypropylene exhaust air line ( PPs), 64 m 2 Air duct, 50 running meters of folded spiral duct, in parts made of stainless steel, 2 fire protection flaps, 255 m 2 Fire protection cladding made from calcium silicate panels for air ducts.