Tenders Are Invited For Heating, Ventilation And Air-Conditioning Installation Work – Ventilation And Control Technology, Central Primary School In Hungen

Heating, Ventilation And Air-Conditioning Installation Work – Ventilation And Control Technology, Central Primary School In Hungen. As Part Of The Two-Storey Extension (Wooden Frame/Cross-Laminated Timber Construction) During Ongoing School Operations, The Ventilation Technology And Control Technology Trades Must Be Fully Constructed. The Ventilation Technology Includes The New Installation Of A Central Ventilation Device, With An Integrated Control/Switch Cabinet, On The Roof Of The New Building, For The Ventilation Of All Rooms In The Extension. The Rlt Heat Is Generated Using A Vrf System That Is Installed Next To The Device. Ventilation Is To Be Carried Out Using Co2 Control And Variable Volume Flow Controllers. For This Purpose, An Operating Device With A Co2 Sensor Is Provided In Every Room. 1/3 Of The Respective Total Air Volume Is Used As Basic Ventilation. If The Co2 Value Increases, The Total Amount Of Air Is Used. The Classrooms Are Supplied With Fresh Air Via Displacement Air Outlets On The Floor And In The Common Middle Via Grilles In The Ceiling Box. The Exhaust Air Is Removed At Specific Points Via Grilles In The Ceiling Case. All Cables On The Roof Receive Weatherproof Insulation With A Sheet Metal Jacket. All Supply Air Ducts In The Building Are Insulated. Fire Protection Is Guaranteed By Motorized Fire Dampers. Battery Room Ventilation Must Also Be Installed In The Existing Building. Local Control Cabinets With Automation Stations (Asp) Must Be Provided For Building Automation. Through Building Automation, All Control Processes In The New Building Can Be Recorded Centrally, Displayed And Controlled Remotely Via The Internet (Vlan). Modbus Tcp/Ip Must Be Provided As The Bus System. All Cables Laid By The Electrical Department Must Be Laid Up.