Tenders Are Invited For Thermal Modernization Of Single-Family Buildings As Part Of The Implementation Of The Stop Smog Program - Stage Xiv

1. Part No. 1 Audit No. 100 - Piotrkowice 117 Thermal Modernization Of The Building - The Scope Of Thermal Modernization Works Will Be As Follows:1. Insulation Of The External Walls Of The Ground Floor (Without Gable Walls) With A Total Area Of ​​Approximately 108.36 M2 Should Be Performed Using The Light-Wet Technology Using The Bso System (Seamless Insulation System). The Customer Requires The Use Of Thick Eps Graphite Polystyrene Foam Boards For The Facade. 14 Cm (Λ = 0.031 [W/Mk]) Pinned To The Ground With Plastic Connectors 4-6 Pcs/M2, Window Jambs Also Insulated With 3 Cm Thick Graphite Polystyrene, Reinforcing Layer Of Fiberglass Mesh (145 G/M2) Embedded In Adhesive Mortar, Silicone Facade Plaster Primer (Primer). Use A 14 Cm Wide Starter Strip, Window, Corner And Eaves System Strips. It Is Necessary To Use A Uniform System Set. The Total Length Of External Window Sills Required For Installation (Window Sills Made Of Coated Steel Sheet) Is Approximately 9.10 M. The Scope Of Thermal Modernization Of External Walls Also Includes The Dismantling Of Downpipes And Their Reassembly With A Length Of Approximately 7.00 M, The Dismantling Of 7 Pieces Of Steel Sheet Window Sills With A Length Of Approximately 10.00 M, Strengthening The Existing Wall With Steel Anchors In The Place Of Vertical Cracks, And Removal Of Remains After Thermal Modernization Works And Tidying Up The Area, Restoring It To Its Original Condition. Moreover, As Part Of The Thermal Modernization Of The External Walls, Two Lighting Lamps And A Bell Button Should Be Dismantled And Reinstalled Along With The Extension Of Electrical Cables, As Well As The Dismantling Of The Console And The Installation Of A New Stainless Steel Hook. The External Walls Will Be Insulated Up To The Height Of The Cornice, So The Insulation Of The Ground Floor Gable Walls Should Be Protected With A Flashing Approximately 20 Cm Wide, Suitably Profiled And Built Into The Existing Wall In Order To Protect The Walls Insulation. 1.2 Modernization Of The Boiler Room - Includes Adapting The Boiler Room To Legal And Technical Requirements (Minimum Room Volume, Height, Air Supply, Ventilation, Fire Protection Conditions, Etc.), Including The Installation Of Entrance (Technical) Doors To The Boiler Room With Dimensions Min. 0.90*2.05. The Ordering Party Requires The Provision Of An Energy Label In Accordance With The Erp Directive. For The Set: Boiler, Domestic Hot Water Tank, Along With The Necessary Automation To Optimize The Operation Of These Devices And To Train The User In The Operation Of The Boiler And The Heating System. The Ordering Party Does Not Have An Inventory Of The Existing Chimney To Which The Existing Solid Fuel Boiler Is Connected (Therefore, If During The Renovation Of The Boiler Room, After Dismantling The Old Boiler, As Well As As A Result Of An Inspection Carried Out By A Chimney Sweeper Or Construction Manager, It Is Found That The Existing Chimney Flue Is Not Has The Appropriate Cross-Section For The Boiler Used, Required By The Manufacturer And Applicable Regulations, The Contractor Should Drill The Chimney Flue To The Appropriate Diameter Recommended By The Boiler Manufacturer And Seal It With A Stainless Steel Pipe (E.G. By The Supervisory Inspector) That The Existing Ventilation Chimney Is Leaking, It Is Necessary To Seal The Chimney Or Additionally Ventilate The Boiler Room. 250 Cm2 And Install An Exhaust Ventilation Grille With Minimum Dimensions Of 140X250mm. The Contractors Responsibilities Will Also Include Performing All Tightness Tests Of The Constructed Or Modernized Internal Installations, And, If Necessary, Also Performing The Necessary Electrical Installation With A Power Socket For The Installed Gasification Boiler, Preparing Appropriate Acceptance Reports For The Installed Devices, And A Chimney Sweep Report Allowing The Boiler Room And Chimney Flues. For Use.1.3 Installation Of A Wood Gasification Boiler - The Scope Of Work Includes Disassembly And Reassembly Of The Existing Domestic Hot Water Tank. With A Capacity Of 300 Dm3, Dismantling Of The Old Boiler (Ogniwo-Biecz) With A Capacity Of 13 Kw For Solid Fuel, As Well As Installation Of A New Steel Or Cast Iron Wood Gasification Boiler With Min. Power Of 15 Kw And Energy Class A+, Operating At A Temperature Of 80-90 Degrees, Equipped With A Weather-Controlled Central Heating Circuit. The Boiler Should Have An Exhaust Fan (Depending On The Model) And Automation That Controls The Combustion Process. A Solid Wood Gasification Boiler With A Humidity Of Up To 20% Should Be Used, Along With Protection Devices And A Control Panel Equipped With Circulation Pumps For The Boiler And Central Heating Installation. And Loading The Domestic Hot Water Capacity Heater, The Expansion Vessel Of The Open System, And The Accumulation Tank, Possibly Equipped With A Flow Coil For Heating Domestic Hot Water. Temperature Valve And 3-Way Mixing Valve. The Boiler Should Be Made In Class 5 Of Energy Efficiency And Emission According To The Pn-En 303-5 Standard, And In Accordance With The Eu Regulation Regarding The Ecodesign Certificate. Additionally, The Boiler Must Meet The Requirements Of Energy Efficiency Class A+ With The Ecodesign Certificate. The Thermal Technology Of The Boiler Room Should Consist Of The Following Circuits: - Boiler Circuit With A Mixing Pump And Temperature Valve, - Accumulation Tank (Buffer) With A Capacity Of Min. 800 Dm3 (The Buffer Capacity Should Be Adapted To The Requirements Of A Specific Boiler To Ensure Operational Compatibility), Acting As A Hydraulic Coupling And Allowing Effective Operation Of The Boiler, - Weather-Wise) For The Building, - The Circuit Loading The Domestic Hot Water Tank, The Boiler Circuit Should Include The Following Devices: - Water Boiler - Return Protection Temperature Valve Min. 55 Degrees C. - Security Expansion Vessel With A Capacity Of Min. 50 L. The Mixer Circuit Should Include The Following Devices: - Mixer Circuit Pump, - Three-Way Valve With An Actuator, - Weather-Controlled Three-Way Valve Regulator - Sludge Filter. The Boiler Operating Parameters Should Enable Achieving An Operating Temperature At The Boiler Outlet Of Not Less Than 80Oc And Not Exceeding 90O C, With An Operating Pressure Not Higher Than 2 Bar, And Adjust The Settings To The Thermal Powers Indicated Above (The Maximum Boiler Power Indicated By The Manufacturer May Be Higher When Adjusting The Settings To The Parameters Resulting From The Attached Energy Audit). 1.4 Modernization Of The Domestic Hot Water Installation – Necessary Hot Water Installation (Only Within The Boiler) Should Be Made Using Alupex/Pp Technology, Clamping Steel, Covered With Thermal Insulation Compliant With Pn Standard, Without The Need For Any Grooves In Walls And Ceilings. Connect The Wood Gasification Boiler To The Existing Domestic Hot Water Installation In The Boiler Room Without Making Additional Drilling Holes Through The Ceilings And Internal Walls (Additional Drillings Through The Ceilings And Walls Should Only Be Made If There Is A Justified Need To Do So In Consultation With The Supervision Inspector). The Scope Of Modernization Works Also Includes The Removal Of Unnecessary Elements Of The Old Installation (Without Chiseling Out, Only By Plugging Them With The Wall Face And Filling The Gaps With Plaster) In Places Where The Installation Was Liquidated, Without Painting The Walls. 1.5. Replacement Of The Existing External Entrance Doors - To The Ground Floor Rooms - With New Ones. The Scope Includes The Dismantling Of The Existing Entrance Door To The Building And The Installation Of New Complete External Doors With A Heat Transfer Coefficient Of U = 1,300 W/M2·K With An Area Of ​​Approximately 2.07 M2 (1 Piece) With A Sidelight, Equipped With Handles, And At Least Three Hinges And Two Locks.1.6 Replacement Of External Windows - With New Ones (External Pvc Windows) With Heat Transfer Coefficient U=0.900 W/M2·K With A Total Area Of ​​Approximately 3.53 M2 (2 Pcs.). The Scope Of Thermal Modernization Includes Breaking Down Window Jambs From The Inside, Dismantling Windows On The Ground Floor, Dismantling Existing Internal Pvc Window Sills, Making New Plasters Of Category Iii (Any Technique) For Window Jambs And Painting Them Once, Installing 2 Internal Pvc Window Sills, Approximately 27 Cm Wide. Cm, Approximately 2.50 M Long.