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1. The Subject Of The Order Is The Modernization Of A Residential Building With An Area Of Development Area Of 79 M2, In The Scope Of Construction Works Consisting Of Thermal Modernization Of The Building, Replacement Of The Roof Covering, Construction Of An Internal Gas Installation Supplying A Gas Central Heating Boiler. With A Closed Combustion Chamber With A Power Of 21 Kw And A Gas Stove, Construction And Installation Works (Electrical, Sanitary). Note: The Building Is Not Connected To The Power Grid. As A Result Of The Investment, A Municipal Residential Premises With An Area Of Approx. Usable Area Of 66.17 M2. The Scope Of Modernization Of The Residential Building Includes: A) Renovation And Repair Works - Removal Of Damp Internal And External Plasters, - Cleaning Of The Wall Base, Priming And Making Reinforcing Sprays (Cement-Lime Spray), - Cleaning And Chipping Away Of Loose Fragments Cracks And Scratches, Making Grooves And Installing 8 Mm Fastening Anchors, 1 M Long, Every 30 Cm. The Anchors Should Be Installed On Mortar, E.G. Cement In Tubes Or Chemical Anchors, B) Thermal Modernization Of The Building: - Insulating The External Walls Of The Building - Cleaning The Walls, Making Thermal Insulation With Styrofoam Thickness. 12 Cm, Applying A Silicone Plaster Coating - Insulating The Basement Walls And Plinth - Uncover The Walls To The Level Of Foundation Or Frost, Fill The Gaps With Repair Mortar, Prime, Insulate, Cover With Styrofoam And Ceramic Facade Cladding, - Installation Of Facade Elements - Window Sills, Performing Sheet Metal Work - Insulation Attic With Polyurethane Foam, Thickness 15 Cm, C) Renovation Of Internal Elements Of The Building: Dismantling Of Equipment, Replacement Of Windows And Doors - Disassembly Of Old Wooden Joinery And Disposal, Installation Of New Pvc Window Joinery With Heat Transfer Coefficient Parameters Below 1.1 W/M2k, Installation Of Door Joinery Typical Full And Glazed, - Disassembly Of Floors, Leveling The Ground Under The Floors And Installing Thermal Insulation With A 10 Cm Layer Of Expanded Clay, Moisture And Waterproofing With Underfloor Foil, Laying 6 Cm Of Eps 150 Hard Polystyrene. On The Insulating Layer, Laying A 5 Cm Layer Of Concrete Reinforced With Steel Mesh, Installation Of Ceramic Tile Floors, Impregnation And Injection Of Internal Walls, Covering With Cement-Lime Plaster And Painting, Scraping Off Old Ceiling Paints, Priming, Filling And Painting With Interior Paints, D) Electrical Installations: Dismantling Electrical Installations, Overhead Connection, A New Wlz 5X10 Mm2 Cable Line To A Wall Cabinet With A Meter Board And Protection Devices, Installation Of The Cabinet In A Typical Ip20 Housing Equipped With A Main Switch, A Surge Protector And Protection Of Individual Loads. Lay The Power Cable In A Protective Tube, Make Lighting And Socket Circuits Using Ydyp 1.5 And 2.5 Mm2 Flush-Mounted Cables, Install Switches And Sockets, Supply Power To The Electric Stove With A Ydy 5X2.5 Mm2 Cable, Provide Protection Against Electric Shock By Quick Switching Off With Residual Current Circuit Breakers And Circuit Breakers Of The 300 Series, - Additionally Making An Equalizing Connection With A Ly 6Mm2 Cable Entitled Connection Of Metal Devices And Water Supply Systems To The Equipotential Bonding Installation, Provision Of Anti-Shock Protection - Automatic Power Cut-Off Should Be Used As Additional Protection Against Electric Shock In Accordance With Pn-Iec 64-364. Tn-S Network System, Internal Electrical Installations. E) Water, Sewage And Central Heating Installations - Dismantling Of Sanitary Installations With Devices, - Renovation Of The Water Supply Installation From The Main Water Meter To The Receiving Devices - Construction Of An Under-Plaster Installation Of Pp Pipes Ø 20 Mm With Piurethane Foam Insulation, Laying Ø 19 Mm Cables To The Receiving Devices – Toilet Cistern, Shower, Washbasin And Kitchen Sink. Use Flexible Metal Connectors For Connections, Install Ball Valves In Front Of The Devices, - Two-Pipe Central Heating Installation Using Pex/Al./Pex 16X2.0 Mm Pipes, With Ball Shut-Off Valves And Radiator Valves With Thermostatic Heads. Installation Of Cv Panel Radiators With Vent Valves, Connected From The Bottom Using Integrated Connection Fittings, Enabling The Isolation Of Individual Radiators. Sizes, Powers And Types Of Radiators In Accordance With The Construction Design. F) Renovation And Replacement Of The Roof Covering - Removal Of The Existing Overlapping Cement Tile Roofing, Dismantling Of Battens, Sheet Metal Flashings, - Checking The Condition Of The Rafters, The Condition Of Rafter Connections, Purlin Columns, - Implementing Security Measures Fire And Insecticides, - Insulating The Space Between The Rafters With Mineral Wool In The Attic, - Patching The Roof With Roof Foil And Covering The Roof With Lap Ceramic Tiles, - Restoring Sheet Metal Flashings, Gutters And Downpipes, - Repairing Chimney Plasters, - Installing Chimney Hatches, Footings Chimneys And Snow Ladders. Note: Renovation Must Be Carried Out While Maintaining The Dimensions And Angle Of Inclination Of The Roof Slopes. G) Internal Gas Installation - Construction Of A Gas Installation In The Building From Steel Pipes Ø25 Connected By Welding, After Passing Through A Wall Made Of Copper Pipes Ø22 To The Gas Boiler And Ø15 For A Gas Stove, - Sealing Threaded Connections And Casing Pipes, - Purchase And Installation Of A Boiler And Cooker, - Installing A Gas Cut-Off Ball Valve In Front Of The Boiler, - Venting The Gas Installation, - Carrying Out A Tightness Test Of The Installation, - Installing An Air-Flue Gas Duct. For Exhaust Gas Discharge With Dimensions Ø60/100 Mm, The Stainless Steel Chimney System Should Be Installed Directly Above The Gas Boiler And Extended Above The Buildings Roof, - Installation Of A Ventilation Duct. Note: The Extended Installation From The Gas Meter To The Gas Boiler Must Be At Least 3 M Long.
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