Tenders Are Invited For Heating, Ventilation And Air-Conditioning Installation Work – New Construction Of A Climate-Neutral Administration Building - Heating

Heating, Ventilation And Air-Conditioning Installation Work – New Construction Of A Climate-Neutral Administration Building - Heating. The Stormarn District Is Planning To Build A New Building On The Foundation Of The Existing Building At Mewesstraße 22-24. With A Floor Area Of ​​Around 790 M², The Building Is Constructed Using Sustainable Building Materials And Is Accompanied By Certification (Bnb And Qng). The Main Construction Is Made Up Of Several Elements: The Ceiling Above The Ground Floor Up To The 3Rd Floor Consists Of Solid Wood Ceilings Made Of Cross-Laminated Timber, Supported By Composite Beams. The Ceiling Above The Basement Is Designed As A Reinforced Concrete Ceiling With Appropriate Joists. The Reinforced Concrete Skeleton Construction Includes The Edge Bases And Covers As Well As The Outer Walls And Edge Supports. Load-Bearing And Bracing Walls, As Well As The Passenger Elevator Shaft, Are Made Of Reinforced Concrete. In The Basement, The Existing External Cellar Walls Will Be Retained, While New Waterproof (Wu) External Walls And Internal Pipes As Well As Walls Made Of Reinforced Concrete And Masonry Will Be Added. The Existing Base Will Be Retained, Supplemented By A New Waterproof Floor Slab In The Underground Car Park Area. The Buildings Heating Is Provided Using District Heating From The Vereinigte Stadtwerke. The Heating Load Is Calculated At 50 Kw For The Stat. Heating, 25 Kw For The Dyn. Heating Load. The Connection Of This Size Has Already Been Ordered From The Municipal Utilities. The Consumers Of Electric Blankets Are Supplied With 39°C/34°C. The Ventilation System Is Supplied With 55°C/30°C. The Dynamic Heating Surfaces Are Supplied With The Same Temperature (39°C/34°C) From The Distributor In The Heating Room. The Contractor Supplies The Heating Center With District Heating Transfer Heat Exchanger And Security Group. The District Heating Station, Meters And Their Security Group Are Supplied By The Municipal Utilities. A Multi-Split Device With 3Xindoor Devices And An Outdoor Device On The Roof Is Provided For The It Rooms. The Dimension For Partial Cooling In The It Sector Is Approx. 3X2 Kw. Although The Building Is A Single-Tenant Property, The Consumption Of The Individual Systems Is Counted (Monitoring). A Possible Expansion Of Consumption Counting Is Being Prepared. The Subject Of This Tender Is Essentially The Following Services: - 1 Piece. Precise Pump Pressure Maintenance System With Integrated Vacuum Degassing (District Heating Transfer Station) - 1 Piece. Basic Expansion Vessel 200 L For Pressure Maintenance Systems - 3 Pieces. Highly Efficient Wet-Running Pump, Maintenance-Free, Controlled - 350M Threaded Pipe, Medium-Heavy Dn 15 - 105M Welded Steel Pipe Dn 50 - 35M Dn 50, Insulation Layer 50 Mm Thick, With Sheet Metal Jacket - 30M Dn 65, Insulation Layer 140 Mm Thick, With Sheet Metal Jacket - 1600Kg Steel Construction As A Profile Steel Construction - 725M Thermal Insulation Aluminum Laminated Dn15…80 According To Enev And Pipe Thickness - 254 Pieces. Heated Ceiling Sails 1750…3000X1050 Mm - 24 Pieces. Ceiling Sails 2000…2750X1050 Mm - 10 Pieces. Ceiling Sail 2500X750 Mm - 280 Pieces, Ball Valve Dn 15, Pn 16 - 140 Pieces. Differential Pressure Regulator Dn 15, Kvs Up To 25 With Insulating Shell. Execution Period/Contract Term: Total From Week 37, 2026 To Week 46, 2027. - Wum Planning P