Tenders Are Invited For Central Heating Installation Work-Heating System

Central Heating Installation Work-Heating System. General Description It Is A New Building And Kindergarten. The Building Consists Of A Ground Floor. The Technology Center Is Also Located On The Ground Floor. The Heat Supply For The Building Takes Place From The District Heating Network Of The Swm Via A District Heating Transfer Station In Accordance With The Tab, Which Is Accommodated In The House Connection Space. For The Scope Of Services, The Trades: • 420 Heat Supply Systems • 480 Building Automation Building Authorization Provisions Din Standards Vdi And Vde Guidelines Workplace Guidelines Atv M138 Kg 420 Heat Supply For The Building Takes Place From The District Heating Network Of The Swm Via A District Heating Cover In Accordance With The Tab, Which Is Accommodated In The House Connection Space. The Following Room Temperatures Are Planned, According To Din En 12831: Lounge, Bedrooms: +22 ° C Toilets, Hwr: +20 ° C Disabled Bath: +24 ° C Corridors: +20 ° C A Connecting Performance Of 50 Kw Is Provided. The Primary Supply Takes Place At A Temperature Level (Vl) Of 80… 125 ° C (Summer… Winter), The Secondary Design Is 75/40 ° C With A Main Distributor/Handover Station In The Heating Center, The Building Is Supplied Via A Heating Circuit Underfloor Heating And A Heating Circuit Hot Water Preparation. The Hot Water Manufacturer Is Designed For A Hot Water Temperature Of 60 ° C In Normal Operation. The Daycare/Day Care Center Is Heated By Underfloor Heating. A Stainless Steel Tube System For Heating Water Installation Is Used For Piping Within The Building Up To The Heating Distributors. The Heating Distributions Run Under The Ceiling In The Area Of ​​The Ground Floor. The Heating Flow Temperature For Hot Water Preparation Is Specified At 70 ° C. A Flow Temperature Of 45 ° C Is Set For The Floor Distributors Or Underfloor Heating. Nass Runners Circulation Pumps Pn 6-16 With Integrated, Electronic Speed Control Are Used For The Heating Water Circulation. The Central Fittings, In The Form Of Shut-Off Valves, Dirt Traps And Setback Flaps, Are Executed As Flange Fittings Pn 6-16, The Strand-Shut-Off Valves With Internal Thread Made Of Brass Pn 20. Each Heating Strand Receives Strand-Deferred Valves In The Preliminary Run And In The Return Of Strand Regulating Valves. Underfloor Heating Will Be Carried Out In The Complete Building, Including Distribution Technology And Individual Room Control. The Pipeline System Consists Of Oxygen Diffusion Density Pe-X Plastic Pipes, Which Are Fixed Horizontally And Vertically Using A Climbing System. An Automatic Pressure Stop System With Membrane Expansion Vessels, As Well As Automatic Supply And Degassing Are Used. In The Heating Center, Dirt Traps And A Magnetite Separator Are Intended For The Heating Heating. The Heating Lines Are Carried Out With An Insulation Made Of Mineral Wool, In The Shock Area With A Coat Made Of Galvanized Sheet Steel, In The Visible Area With A Coating Made Of Aluminum Grain. The Pumps U