Jefferson Middle Gym Roof Replacement

Roof replacement project at the Thomas Jefferson Middle School Gymnasium in Arlington, VA 1. Remove and dispose of existing roofing systems and components, including membrane, insulation, vapor barriers, flexible and metal flashings, and associated materials and components down to structural deck unless otherwise noted (Division 02 Section “Selective Structure Demolition”). 2. Repair paved surfaces and landscaping damaged as a result of roof replacement project (Division 02 Sections “Pavement Repair” and “Lawn and Grasses”). 3. Augment existing trusses as indicated on the Drawings (Division 05 Section “Structural Steel Framing”). 4. Provide fire-treated wood blocking at perimeter edges, walls, stud walls, and penetrations (Division 06 Section “Rough Carpentry”). 5. Provide new multi-layered insulation systems throughout the roof areas (Division 07 Section “Roof and Deck Insulation”). 6. Provide composite panels at walls and at plywood enclosures (Division 07 Section “Composite Wall Panels). 7. Provide new 2-ply SBS modified bitumen roof membrane, 2-ply SBS modified flashing system, and associated roof system components. Provide white EPDM membrane at locations indicated on Drawings (Division 07 Section “Modified Bituminous Membrane Roofing”). 8. Provide fully adhered thermoplastic roof system overlay (Division 07 Section “Thermoplastic Roofing”). 9. Provide perimeter and penetration sheet metal flashings and counterflashings, and miscellaneous sheet metal fabrications (Division 07 Section “Flashing and Sheet Metal”). 10. Provide roof hatch. Provide concrete splash blocks at existing downspouts (Division 07 Section “Roof Accessories”).

Division 07 -

Thermal and Moisture Protection, Dampproofing and Waterproofing, Thermal Protection.