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

The Subject Of The Contract Are Construction Works Consisting In: Modernization - Reconstruction Of The Existing Internal Water Supply Hydrant And Cold Water System, Including: - Separation Of The Cold Water System From The Internal Hydrant System, - Selection Of A Pump Set For Fire Protection Purposes - A Pressure Boosting Set Is Designed In The Existing Hydrant Installation And Replacement Of The Existing Dn25 Hydrant Boxes In Recessed Cabinets With New Ones Along With An Internal Dn25 Hydrant And A 20M Semi-Rigid Hose. In The Basement, 2 New Dn25 Surface-Mounted Hydrants With A Semi-Rigid Hose Are Designed, I.E. 2 Hydrants On Each Floor (A Total Of 8 Dn25 Hydrants), - In The Existing Cold Water System, A New Horizontal Pipe Is Designed In The Basement, Connected Behind The Existing Main Water Meter Set And Including Branches And Risers Of The Existing Cold Water System, - The Existing Pe Water Supply Connection Pipe In The Room Where The Pressure Boosting Set For The Hydrant System Will Be Installed Should Be Encased With Boards With Fire Resistance Class Ei120 And A Fire Protection Passage Should Be Made. A Water Pipe With Fire Resistance Class Ei120, - Behind The Water Meter From The Installation Side, Install A Dn50 Slanted Mesh Filter And A Dn50 Anti-Pollution Valve Ba Backflow Isolator, - Replacement Of The Door With A Fire Door With Ei60 Class - Window Ventilators Should Be Installed In The Water Meter Room To Ensure Air Supply And A Hatch Cut-Off Fire Protection Ei120 Ø160 With A Thermal Release 72°C (Fusible Fuse) Ended With A Ø160 Ventilation Grille On Both Sides Ensuring Natural Ventilation Of The Room - Air Exhaust, - In Order To Ensure The Priority Of Water Supply For Fire Protection Purposes, A Fire Protection Valve Is Provided. Dn50 Behind The Branch Of The Hydrant System On The Main Pipe Supplying The Household And Utility Installation, - The Fire Protection System In The Basement Level Should Be Made Of Galvanized Steel Pipes According To Pn-74/H-74709, Connected With Dn65 And Dn 50 Threads (The Existing Section Of 34.5 M Cannot Be Replaced Of The Installation Was Replaced As Part Of A Water Supply System Failure In November 2022) - Replacement Of The Power Supply Line To The Water Heater From The Zk Cable Connector To The Rg Switchgear - Modernization Of The Existing Rg Switchgear With The Pwp Fire Protection Switch - Power Supply Line To The Fire Protection Device - Installation Of The Hydrophore Set - Execution Of Internal Electrical Installations And Lighting In Technical Rooms: Room Hydrophore And A Separate Electrical Switching Room - Separation Of The Technical Electrical Switching Room In The Rei120 Fire Resistance Class - Execution Of A Pwp Fire Protection Switch With A Raised Button In The Vestibule - Enclosure Of The Replaced Wzz From Zk To Rg In The Rei120 Fire Resistance Class