ventilation systems (DIN 18 379);

The present tender is a complete renovation of a

listed building of the TU Darmstadt.

The following services are to be performed:

•Ventilation unit Energy Efficiency A+ Seminar East with highly efficient rotary heat exchanger Air flow rate 13500.00 m³/h External pressure drop 650 pa

•Ventilation units Energy Efficiency A+ UG Server with high-efficiency counterflow heat exchanger Air flow rate 3400.00 m³/h External pressure drop 500 pa

•Duct fan recirculation server basement Volume flow: max. 6214 m³/h

•Ventilation unit Energy Efficiency A+ print shop with high-efficiency counterflow heat exchanger Air flow rate 2200.00m³/h External pressure drop 400 pa

•Ventilation unit Energy Efficiency A+ WC North with highly efficient counterflow heat exchanger Air flow rate 4300.00 m³/h External pressure drop 500 pa

•Ventilation unit Energy Efficiency A+ WC South with highly efficient counterflow heat exchanger Air flow rate 3800.00 m³/h External pressure drop 500 pa

•Ventilation unit Energy Efficiency A+ Seminar West with highly efficient rotary heat exchanger Air flow rate 9000.00 m³/h External pressure drop 550 pa

•Ventilation unit Energy Efficiency A+ Plastensaal with highly efficient counterflow heat exchanger Air flow rate 5000.00 m³/h External pressure drop 500 pa

•Compact ventilation unit with heat recovery Burner chamber with highly efficient counterflow heat exchanger Air flow rate 700.00m³/h External pressure drop 300 pa

•Compact ventilation unit Model workshop with cross-counterflow heat exchanger

incl. control Ready-wired air flow rate 3000.00m³/h External pressure drop 700 pa

Centrifugal duct fan Model making workshop Air flow rate 4000.00m³/h External pressure drop 700 pa

•Ventilation duct total duct surface: 5,109 m²

•Total ventilation pipe Pipe length: 4,150 m

•Fire dampers 284 pieces, fire poppet valves: 56 pieces

•Volume flow controller constant: 52 pieces, volume flow controller variable: 64 pieces

•Poppet valve outlets: 347 pieces, ceiling swirl air outlets: 221 pieces

•Roof ventilation hoods (slat hoods) 4 pieces

•Common outdoor and exhaust air ducts of the ventilation systems in the basement via crawl space with connection to on-site concrete duct (for intake towers)