Tenders Are Invited For Renovation Of Kindergarten No. 351 At Ul. Warchałowskiego 4 In Warsaw - Roof Renovation

The Subject Of The Order Is The Renovation Of The Roof Covering Of The Building Of Kindergarten No. 351 At Ul. Warchałowskiego 4 In Warsaw. The Facility Is Part Of The Building That Also Houses Primary School No. 323. The Entire Facility Consists Of Several Functionally Connected Volumes Covered With A Ventilated, Sunken Flat Roof. Individual Roof Segments Drain Rainwater To Rainwater Stacks Located Inside The Building And To The Rainwater Sewage System. The Surface Of The Trough Slabs Is Insulated With A Layer Of Mineral Wool, Which In The Existing Structural System (Ventilated Flat Roofs) Does Not Meet The Requirements For Ensuring Thermal Comfort And Increasing The Insulation Of The Flat Roof. The Renovation Includes The Complete Dismantling Of The Roofing And Insulation Layers Along With Sheet Metal Flashings And The Lightning Protection Installation, Replacement Of Roof Gullies, Replacement Of Sanitary Sewage Vents, Replacement Of Ventilation Caps, Renovation Of Gravity Ventilation Chimneys And Replacement Of Skylights. The Scope Of The Planned Renovation Works Includes In Particular: - Dismantling The Lightning Protection Installation, - Dismantling Roof Ventilators, - Dismantling Sheet Metal Flashings. Galvanized Steel, - Dismantling The Existing Roof Covering (4 Layers Of Tar Paper), - Dismantling Roof Outlets, - Dismantling Polycarbonate Roof Skylights Together With The Steel Structure, - Dismantling And Rebuilding The Bases Of Chimney Vents (If Necessary After Dismantling The Roofing Felt And Assessing Their Technical Condition), - Dismantling External Steel Ladders, - Insulating The Ventilated Flat Roof Space Mineral Wool Granules, - Repair And Leveling Of The Concrete Base For A New Roofing, - Construction Of New Roof Inlets Adapted To The Diameter Of The Existing Drainage Of Rain Risers, - Construction Of A Two-Layer Roof Covering With Thermally Weldable Felt, - Installation Of Osb Boards For Flashings Along With Moisture-Proof Insulation, - Installation Of Turbovents At The Outlets Of Gravity Ventilation Ducts, - Installation Of System Pressure Strips, - Installation Of New Skylights Roofs With An Aluminum Structure, - Execution Of Sheet Metal Flashings From Galvanized And Coated Steel Sheets, - Installation Of Access Ladders With A Protective Basket, - Installation Of A Lightning Protection System. The Detailed Scope Of The Subject Of The Order Is Determined By: • Designed Provisions Of The Contract (Appendix No. 2 To The Swz), • Technical Documentation (Appendix No. 5 To The Swz), Which Includes: Description Of The Subject Of The Order, Technical Description, Bill Of Quantities And Technical Specification For Execution And Acceptance Construction Works. Obligations Arising From The Social Clause. The Ordering Party Provides Requirements Related To The Implementation Of The Order In The Scope Of Employment By The Contractor Or Subcontractor Based On The Employment Relationship Of Persons In The Circumstances Referred To In Art. 95