Ventilation works for air handling systems

Air handling systems: 1 supply and exhaust ventilation unit (12,000 m³/h) with heat recovery, 700 m² galvanized rectangular duct, 130 m galvanized round pipe up to DN 200, 370 m² rectangular duct with black paint, 400 m round pipe up to DN 200 with black paint, 19 round and rectangular fire dampers, 30 variable volume flow controllers, 71 constant volume flow controllers, 48 angular silencers, 48 round silencers, 168 air inlets and outlets. Execution according to VOB/C, ATV DIN 18299, ATV DIN 18379, ATV DIN 18421, ATV DIN 18386, DIN 4102, DIN 4109, and generally accepted rules of technology.

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