Tenders Are Invited For Modernization Ii - Reconstruction Of The Water Supply And Fire Protection Installations In The Office Building Of The Regional Directorate Of State Forests In Olsztyn

The Subject Of The Order Are Construction Works Consisting Of: Modernization - Reconstruction Of The Existing Internal Hydrant Water Supply System And Cold Water, Including: - Separation Of The Cold Water Installation From The Internal Hydrant Installation, - Selection Of A Pump Set For Fire-Fighting Purposes, - A Pressure-Boosting Set Is Designed In The Existing Hydrant Installation. And Replacement Of The Existing Dn25 Hydrant Boxes In Built-In Cabinets With New Ones, Together With A Dn25 Internal Hydrant And A 20 M Long Semi-Rigid Hose. In The Basement, 2 New Surface-Mounted Dn25 Hydrants With A Semi-Rigid Hose Are Designed, I.E. 2 Hydrants On Each Floor (8 Dn25 Hydrants In Total), - In The Existing Cold Water Installation, A New Horizontal Conduit Is Designed In The Basement, Connected Behind The Existing Main Water Meter Set And Including Up To Branches And Risers Of The Existing Cold Water Installation, - The Existing Pe Water Supply Connection Pipe In The Room Where The Pressure Boosting Set For The Hydrant Installation Will Be Installed Should Be Enclosed With Ei120 Fire Resistance Class Boards And A Fire-Proof Passage Should Be Made. Water Supply Pipe With Fire Resistance Class Ei120, - Behind The Water Meter On The Installation Side, Install A Dn50 Oblique Mesh Filter And A Dn50 Anti-Contamination Valve, Ba Backflow Isolator, - Replacing The Door With A Fire Door With Ei60 Class - Window Vents Should Be Installed In The Water Meter Room To Ensure Air Supply And A Flap Fire Protection Cut-Off Ei120 Ø160 With A Thermal Trigger 72°C (Fusible) Finished With A Ø160 Ventilation Grille On Both Sides Ensuring Gravity Ventilation Of The Room - Air Exhaust, - In Order To Ensure Priority Water Supply For Fire Protection Purposes, A Fire Protection Valve Is Planned To Be Installed. Dn50 Behind The Outlet Of The Hydrant Installation On The Main Pipe Supplying The Domestic And Utility Installation, - The Fire Protection Installation In The Basement Should Be Made Of Galvanized Steel Pipes According To Pn-74/H-74709 Connected With Thread Dn65 And Dn 50 (The Existing 34.5 M Section Cannot Be Replaced). Installation Was Replaced As Part Of A Water Supply System Failure In November 2022), - Replacement Of The Wlz Power Supply Line From The Zk Cable Connector To The Rg Switchgear, - Modernization Of The Existing Rg Switchgear With A Pwp Fire Protection Circuit Breaker, - Power Supply Line For The Fire Protection Device - Installation Of A Hydrophore Set, - Execution Of Internal Electrical And Lighting Installations In Technical Rooms: Rooms Hydrophore And A Separate Room For The Electrical Switchboard, - Separation Of The Technical Room For The Electrical Switchboard In The Rei120 Fire Resistance Class, - Construction Of A Pwp Fire Protection Current Switch With A Raised Button In The Vestibule, - Casing Of The Interchangeable Inlet Switch From Zk To Rg In The Rei120 Fire Resistance Class.