Tenders Are Invited For Modernization Of Public Utility Facilities Complex Of Facilities No. 1 Dormitory No. 3 Ul. Chopina 6

1) Part I - Roof Renovation: A) Preparatory And Dismantling Works - Dismantling The Existing Roofing Felt. - Dismantling The Old Lightning Protection System. - Dismantling And Disposal Of The Existing Arched Skylight Over The Patio Together With The Substructure And Dismantling The Roof Over The Patio. - Removing Impurities, Bitumen Residues, Dirt And Loose Fragments Of The Covering. - Protection Openings, Chimneys And Edges Against Precipitation During The Work. B) Roof Layers And Materials Thermal Insulation / Insulation Of The Ceiling: - Insulation Of The Ceiling By Laying An Additional Layer Of 15 Cm Thick Mineral Wool Using The Blowing Method. - The Insulation Material Must Have A Thermal Conductivity Coefficient Of Λ ≤ 0.040 W/M·K And Be Resistant To Moisture And Deformation. Note: If It Is Necessary To Perform Additional Work, E.G. Technological Holes In Trough Slabs In Order To Insulate The Ceiling - The Cost Should Be Included In The Offer. Underlay Covering: - Sbs Heat-Sealable Underlay Felt, Min. Thickness. 5.0 Mm, With A Polyester Non-Woven Insert. Surface Covering: - Sbs Heat-Sealable Surface Felt, Min. Thickness. 5.2 Mm, With Polyester Non-Woven Insert. Joints And Overlaps: - Longitudinal And Transverse Overlaps Min. 10 Cm, Offset From The Bottom Layers Min. ½ The Width Of The Strip. - Fellings Around Chimneys, Skylights And Edges - System, From The Same Manufacturer As The Felt. The Processing Should Be Carried Out In Accordance With The Principles Of Roofing Art And Pn-B-10245. D) Chimneys And Attics - Reprofiling And Repair Of Concrete Caps On Chimneys (Or Replacing Caps With New Ones). - Repair Of Plasters On Chimneys And Attic Walls - Reinforcement With Fiberglass Mesh, Thin-Layer Silicone Plaster. - Painting With Facade Paint. Silicone In The Existing Color. - Make The Connections Between The Felt And The Parapet Walls With A Roll Of The Felt At Least 15 Cm.E) Skylights And Steel Elementsexternal Skylight: - Disassembly Of Old Polycarbonate Plates, - Installation Of New Transparent Plates Thick. 16 Mm With Seals And Fastening Elements, - Cleaning And Applying An Anti-Corrosion Paint Coating Of The Steel Structure. Patio Roof / Zone After Dismantling The Arched Skylight: - Dismantling The Steel Structure And Covering, - Cleaning The Surface After Dismantling, Plaster Repair And Painting. E) Lightning Protection Installation - Construction Of A New Lightning Protection Installation In A Ring System, Using Cables Galvanized Steel Ø8 Mm Or Equivalent. - Installation Of Air Terminals, Exhaust Pipes And Earthing Electrodes In Accordance With Pn-En 62305. - Measurements Of The Effectiveness Of The Installation After Completion Of The Works. - The Measurement Results Should Be Submitted To The Ordering Party Upon Final Acceptance. Rules For Carrying Out Roofing Works: 1. Work Should Be Carried Out At A Temperature Of: - Not Lower Than 0°C - For Sbs Modified Roofing Felts, - Not Lower Than +5°C - For Oxidized Roofing Felts.2. Before In