Tenders Are Invited For Renovation Of The Central Heating System, Replacement Of Radiators In A Residential Building At Ul. Szkolna 24 A-C In Świętoszów

Renovation Of The Central Heating System, Replacement Of Radiators In A Residential Building At Ul. Szkolna 24 A-C In Świętoszów1.1 The Subject Of The Order Is The Replacement Of Existing Convector Heaters In Residential Premises In The Building At Ul. Szkolna 24 A-C In Świętoszów To New Ones.1.2. Existing Status:1.3. A 37-Unit, 5-Story Residential Building With A Basement. Some Units In The Building Have New Bathroom Ladders, Which Should Be Left In Place. The Remaining Radiators (Convectors) Need To Be Replaced With New Ones. The Existing Radiators Have A Bottom Connection (Left Or Right Side) Made Of The Floor.1.4. Target Condition: It Is Planned To Replace The Existing Convector Radiators With New Steel Plate Radiators (129 Pieces) And Ladder Bathroom Radiators (29 Pieces In Bathrooms). Details Regarding The Replacement Of Radiators Are Included In The Appendix (A Table With The Specific Number Of A Given Room, The Type Of Existing Radiator And The Type Of New Radiator - Note: The Initial Settings Of Thermostatic Valves And The Radiator Supply Side Are Not Provided). Before Installation, Make An Inventory Of The Radiators In Terms Of The Power Supply Side (Bottom Left And Right-Side Power Supply). Radiators Should Be Connected From The Floor Or Wall. In Addition To Replacing Radiators, Minor Modifications To The Central Heating Installation Should Be Planned, Related To The Installation Of New Radiator Approaches (Especially Bathroom Radiators). Due To The Replacement Of Convector Radiators With Panel Radiators, There Is A High Probability Of Reverse Supply And Return Connections. In This Case, The Installation Should Be Switched In The Installation Cabinet Behind The Heat Meter (Switching The Installation Power Supply Back). In The Cabinet Where The Heat Meter Is Located, Tees, Shut-Off Valves And Mesh Filters Should Be Replaced (Currently, There Are Two Filters In The System Return, So One Should Be Replaced With A New One And The Other Should Be Eliminated). After Replacing The Radiators, It Is Necessary To Bleed The Central Heating System. And Devices, As Well As Making Adjustments To The Installation. If It Is Impossible To Enter The Premises, The Contractor Will Provide The Ordering Party With Evidence Of At Least Two Attempts To Enter The Premises In The Form Of Reports Of Attempts To Enter The Premises, Including The Date, Confirmed By The Building Administrator.1.5. Requirements Regarding Technical Parameters: 1) In Kitchens And Rooms - Steel, Double-Plate Radiators With Approximate Dimensions As In The Attachment; 2) Bottom Radiator Connection (On The Left Or Right Side) From The Floor Or Wall Using A Connection Set For Bottom-Fed Radiators With A Cut-Off Function; 3) In Bathrooms - Steel Ladder Radiators With Approximate Dimensions As In The Attachment; 4) All Radiators Are Equipped With With A Thermostatic Valve, Head And Air Vent;5) Make The Connections For The Radiators From Copper Or Steel Pipes Connected Using The Clamping Met