Tenders Are Invited For Ventilation Installation Work – Renovation Of Middle School

Ventilation Installation Work – Renovation Of Middle School. The Students Sanitary Units (Ground Floor / 1St Floor) Are Supplied With Supply And Exhaust Air By A Central Auxiliary Ventilation Device With Heat Exchanger And Additional Electric Post-Heating Register (8Kw). The Maximum Volume Flow Of The Device Is 820 M³/H. The Device Is Installed In The Ventilation Room In The Attic, Accessible Via The Flat Roof Area. The Pipe Network Is Designed As A Folded Pipe And Sheet Metal Duct. Exhaust And Outside Air Is Routed Via The Adjacent Outer Wall Of The Control Center. The Sanitary Units For Teachers And Staff (1St Floor) Are Equipped With Exhaust Fans In The Ceiling Area. The Maximum Volume Flow Of The Device Design Is 30/60 M³/H. The Pipe Network Is Designed As A Folded Pipe. Exhaust Air Is Routed Via The Roof. The Respective External Classrooms, Specialist And Group Rooms On The Ground And Upper Floors Of The Building Are Provided With Air Conditioning Using Auxiliary Ventilation Devices As A Parapet Installation With A Maximum Air Output Of 300 Or 600 M³/H, Depending On The Design And Additional Thermal Or Equipped With An Electric Heating Register. In Total There Are 101 Devices That Are To Be Installed On The Ground And Upper Floors. Piping Network: The Rectangular Duct Network Of The Ventilation Installation Is Around 91 M² With An Edge Length Of A Maximum Of 650 Mm. The Ducts Must Be Provided With Insulation Materials Suitable According To Geg. Piping Network: The Ventilation Installations Round Pipe Network Is Around 71M Long. The Pipes Must Be Provided With Insulation Materials Suitable In Accordance With Geg. Floor And Wall Crossings With Fire Protection Requirements Must Be Provided With Suitable And Approved Fire Protection Ducts. The Main Entrance, Break Entrance, Or Direct Access To The Existing Heating Center Can Be Used To Introduce The Technical Components. To Distribute The Components On The Upper Floor, The Staircase Is Centrally Located And Has A Width Of Approx. 1.60 M. The Entrances (Doors) To The Technical And Storage Rooms Have A Width Of At Least 1.01 M And A Height Of 2.00 M.