Ventilation installation works for extension building

Ventilation system: 1 compact ventilation unit with heat recovery, counter-flow heat exchanger, indoor installation, electric post-heating register approx. 9.6 kW, volume flow 1,600 m³/h; 4 duct silencers DN 100 – 200; 6 duct silencers DN 355 – 400; 2 elbow duct silencers DN 400; 12 fire dampers DN 100 – 200; 4 fire dampers DN 315 – 355; approx. 11 m² fire protection cladding L90; 8 volume flow controllers DN 200 – 250; 1 weather protection grille 500 x 800 mm; approx. 2 m² rectangular molded part, edge length up to 1,000 mm; approx. 144 m spiral-seam duct DN 100 – 140; approx. 76 m spiral-seam duct DN 160 – 200; approx. 14 m spiral-seam duct DN 224 – 315; approx. 23 m spiral-seam duct DN 355 – 400; approx. 199 fittings DN 100 – 140; approx. 114 fittings DN 160 – 200; approx. 30 fittings DN 224 – 315; approx. 43 fittings DN 355 – 400; 53 ventilation disc valves supply/exhaust air DN 100 – 160; 11 ventilation grilles 300/400 x 100/200 mm; 48 decentralized vertical school ventilation units, facade installation, WxHxD approx. 60 x 200 x 40.8 cm; 48 mounting frames WxHxD approx. 600 x 390 x 400 mm. Technical room cooling: 1 mono-split air conditioning unit, cooling capacity 1.3 – 3.0 kW; 1 indoor unit as wall-mounted device.

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