Tenders Are Invited For Firefighting Equipment Installation Work – Fire Extinguishing Systems

Firefighting Equipment Installation Work – Fire Extinguishing Systems. The Subject Of The Tender Is The Installation Of The Fire Extinguishing Systems As Part Of The Renovation And Conversion Work At The Braunschweig Town Hall. As Part Of The Approved Fire Protection Concept, The Following Special Features For The Fire Extinguishing Systems Must Be Taken Into Account: - Vds Cea 4001:2024-01 Is Used As A Basis. - In The Cloakroom Entrance Area, A Compacted Sprinkler Protection Must Be Installed Above The Mobile Smoke Aprons. - In The Areas Of The Cloakroom, Ground Floor, Main Entrance And The Foyer Of The Large Hall, The Sprinklers Are: - With A Maximum Distance Of 4 M, - Nominal Trigger Temperature 68 °C - To Be Equipped With A Special Response Behavior. Sprinkler Tank The Water Storage Is Located Northwest Of The Building In A Frost-Free Concrete Tank. The Tank Is Built As A Wu Construction. A Total Of 180 M³ Is Available As Fire-Fighting Water. In The Tank Itself, Up To And Including The Incoming Pipes To The Sprinkler Center (North Basement, Below The Entrance Area For The Lecture Hall) Will Be Built On Site. Two Suction Lines, Ventilation Line And Test Line As Well As A Drain (At The Same Time The Level Measurement In The Control Center) Are Part Of The On-Site Service. These Are Transferred Via Blind Flanges Or Shut-Off Valves. The Entire System, Including These Components, Must Be Made Functional Up To The Sprinkler Tank. Sprinkler System Group 1 – Warehouse / Technology This Group Supplies All Internal Warehouses From The Basement To The Upper Floors As Well As The Technical Areas. The Risk Is Classified As Oh3. Group 2 – General Areas / Foyers This Group Supplies All Public And Employee Areas Including The Kitchen. In Principle, A Risk Class Of Oh4 Can Be Assumed. The General Conditions For The Use Of Sprinkler Systems Specified In The Building Permit Are Located In The Entrance Area And In The Foyer Area Of ​​The Large Hall Above. There Is Also An Open Suspended Ceiling In The Cloakroom Area Of ​​The Main Entrance In Accordance With Vds ​​Cea 4001:2024-01, Chap. 11.4.13 With The Associated Framework Conditions For The Design Of Sprinkler Positioning. The Sprinkler Arrangement On The Foyer Ceilings Is Based In Particular On The Triangular Grid Of The Ceiling Mirror. Basic Protection Is Planned For The Kitchen Area; For The Suspended Ceiling Sprinklers, 30 K60 Sprinklers With A Triggering Temperature Of 93 °C Including A Connection Via A Flexible Hose (L = 2 M) Are To Be Taken Into Account In The Tender. The Specific Extinguishing Systems For The Kitchen Areas (E.G. Ansul) Are Part Of The Kitchen Technology And Kitchen Ceiling. The Platform Of The North Stair Foyer Is Accessed Via A Floor Slot As Part Of The Sole Work In The Entrance Area Via A Pe-100 Cable. This Work Is Part Of The Sole Work. The Contractor Of The Sprinkler Systems Must Also Use These Lines. Group 3 – Large Hall Separate Groups Are Assigned To The Halls. The Great Hall Is In The Area Of ​​The Suspended Ceiling (E7) And Within The Ceiling For The Sat