Tenders Are Invited For Thermal Modernization Of A Building In Pławna - Stage I Replacement Of Roof Covering And Windows And Doors

1. The Subject Of The Order Is The Performance Of Construction Works On The Building Of The Village Community Center On Plot No. 139 In Pławna, Commune. Więcowice As Part Of The Task Thermomodernization Of A Building In Pławna - Stage I. Replacement Of Roof Covering And Windows And Doors In The Scope Described Below.2. Scope Of The Order: Basic Scope: 1) Demolition Worksa. Dismantling Of The Existing Roof Covering Made Of Corrugated Asbestos Panels Along With Sheet Metal Work. Disassembly And Removal Of The Above-Mentioned Covering By A Licensed Company. B. Dismantling The Existing Battens (6X6 Cm Battens, Approximately Every 50 Cm). C. Dismantling Gutters And Downspouts, D. Disassembly Of Concrete Chimney Caps.2) Construction And Assembly Works. Implementation Of A New Roof Cover. Scope Of Construction Works: A) Impregnation Of Wooden Elements Of The Roof Truss With Fungicides And Fire Retardants, B) Construction Of Wind Insulation, C) Construction Of Counter Battens With A Cross-Section Of 3.2 X 6 Cm, Leveling The Roof Surface With Wedges, D) Construction Of Formwork With 2.5X10 Cm Boards, 5 Cm Apart, E) Strengthening Weakened Elements (Collar Beams, Purlins) By Adding Wooden Overlays Thick. 4.5 Cm On Both Sides Of The Reinforced Element, Replaced Wooden Elements Must Be Made Of Min. Class Wood. C27, Roof Covering With Panels Made Of Smooth Sheet Metal, Galvanized On Both Sides, Coated With Polyurethane Coating, Standing Seam, On Openwork Formwork. F) Reconstruction Of Exhaust Vents Of The Sewage System, G) Insulation Of Chimneys With Gravity And Exhaust Ventilation Ducts, H) Construction Of A New Roof Covering. Insulation Of The Attic Ceiling Above The Rooms - Mineral Wool Scope Of Construction Works: Insulation Of The Attic Ceiling Above The Rooms With Hard Pressed Mineral Wool, 25 Cm Thick, With A Thermal Conductivity Coefficient Of Λ = 0.038 W/Mk, Laid On A Vapor-Proof Foil. Scope Of Works: A) Removing Dirt And Loose Elements From The Attic Ceiling Space. B) Laying A Vapor-Proof Foil On The Floor. C) Making A Grate Of Square Timber 6X10 Cm, Every 60 Cm. D) Filling The Grate Space With Mineral Wool Boards 10 Cm Thick. E) Making A Grate Of Square Timber 6X15 Cm, Every 60 Cm, In The Direction Perpendicular To The Grate Lower. F) Filling The Grate Space With 15 Cm Thick Mineral Wool Boards. G) Laying 12 Mm Thick Osb Boards, Screwed To The Grate. (Stiffening The Grates With Square Timbers 6X10 And 6X15 Every Approx. 2.5 M). Insulation Of Chimneys Scope Of Construction Works: A) Installation Of Styrofoam Boards Thick. 5 Cm On A Previously Prepared Surface (Filling In Gaps, Priming) And Finishing With Silicone Plaster, Installation Of A Concrete Chimney Cap With Flashing (Galvanized Steel Sheet Coated In The Color Of The Roof, Drips On 4 Sides With A 1.5 Cm Turn-Up, Riveted Corners Of The Chimney Cap.) B) Installation Of Rotating Chimney Caps Ball Type ∅150.