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1. The Subject Of The Order Is The Renovation Of The Roof Covering On The Former School Building At Ul. Wolności 28 Rożniątów.2. The Scope Of The Order Includes In Particular: Scope Of Construction Works 1) Demolition And Dismantling Works: - Dismantling The Lightning Protection System From The Facade And Roof, - Dismantling Gutters And Downpipes, - Dismantling Sheet Metal Flashings, - Dismantling The Roofing Felt, - Dismantling The Shingles On The Dormer Windows, - Dismantling The Elements Of The Roof Truss (Snow Fences, Etc.), - Dismantling The Roof Covering Made Of Tiles. Carp Pipes Together With Payment, - Removing Plasters On Chimneys In The Attic, - Demolition Of Brick Chimneys Above The Roof Slope, - Dismantling Roof Hatches, - Dismantling Window Joinery (Dormers, Roof Slope), 2) Construction Works: - Setting Up Scaffolding With Grounding, - Double Coating Of All Wooden Elements With Fire And Fungus Protective Preparation, - Fastening Foil/Roof Membrane (Weight Min. 180 G/M2), - Replacement Of Roof Structure Elements (Rafters 18X14 Cm, Class C24 With Humidity Not Higher Than 20%), - Installation Of Counter Battens (2.5X5 Cm) And Laths (4X6 Cm), - Roof Covering With Brick-Colored Ceramic Plain Tiles In A Lace Pattern Along With Edge Roof Tiles And Ridge Tiles (Frost Resistance: Category 1 (Test Method) C) In Accordance With The Pn-En 1304 Standard, Water Absorption Not Greater Than 6%, Bending Capacity Of At Least 900N In Accordance With The Pn-En 538 Standard, Water Permeability ≤ 0.5: Category 1 In Accordance With The Pn-En 539-1 Standard), - Replacement Of Eaves Boards In The Gable Walls, - Installation Of Roof Accessories (Chimney Sweep Benches, Snow Fence, Eaves Ventilation, Ridge Tile Tape), - Roof Covering With Underlay Felt With A Thickness Of Min. 4.0 Mm, Thermally Weldable Top Felt With A Thickness Of Min. 5.2 Mm And Flexibility At A Low Temperature Of -20 Degrees C, - Renovation Of The External Wooden Elements Of The Dormer, - Double Covering Of The Dormer Walls With Natural Slate (Water Absorption; Class W1 Not Greater Than 0.6%, Resistance To Thermal Cycles: Class T1, Resistance To Sulfur Dioxide: Class S1, Reaction To Fire: Class A1), - Rebuilding The Chimneys Above The Roof Slope With Solid Clinker Bricks, Restoring The Condition Existing, (Pn-En 771-1, Compressive Strength Minimum 35 N/Mm2, Water Absorption Not Higher Than 6.0%, Frost Resistance: Category F2, Content Of Active Salts: Category S2, Gross Bulk Density: Minimum 1500 Kg/M3, Reaction To Fire: Class A1), On Masonry Mortar Dedicated To Clinker Bricks (Pn-En 998-2, Compressive Strength: Minimum Class M5 Or M10, Water Absorption From 3-8%, Reaction To Fire: Class A1, The Mixture Must Contain The Addition Of Rhine Route, The Mortar Must Be Frost-Resistant, Vapor-Permeable, Hydrophobic), - Plastering Of Chimneys In The Attic Part (Pn-En 998-1, Class Cs Ii, Reaction To Fire: Class A1), - Two-Time Priming And Painting Of The Chimney Surfaces, - Execution And Installation
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