Tenders Are Invited For Renovation Of The Roof Covering On The Former School Building At Ul. Wolności 28 Rożniątów

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