JOB DESCRIPTION Demo: • demo existing masonry porches on the south side of the building (16'x36' and 10'x12') • demo concrete caps, walls, and footings • haul all materials away • keep two stone pillars holding up roof system • all other pillars will be removed 16'x46'6''' Elevated Concrete Porch Footings: • excavate spoils for footings • footings will be 24'' wide and 12'' thick • bottoms of footing will be a minimum of 36'' deep • two continues runs of #4 rebar will be placed in the footing • all overlaps on rebar will be 18'' minimum • any place the footing meets an existing masonry foundation there will be two dowels placed to bond the footing to existing Walls: • poured 8'' concrete walls placed over footings • #4 rebar placed in walls at 2' on center each way • rebar will be doweled into the footings at 2' centers to bond wall and footing together • walls will be 4'-6' +/- tall depending on elevations • back fill will be placed against wall to meet frost line if necessary Concrete Cap: • 5'' concrete cap • 10g reinforcing wire • rebar dowels into wall and bent over into the concrete cap to bond the wall and cap together • fill inside for inside the walls will be limestone chips • saw cut control joints at 8' +/- centers OB DESCRIPTION 1. Barricade off the working area. 2. Dispose of all construction materials. 3. Provide your own equipment for construction. 4. Remove the existing EPDM and asphalt roof system and all related components to underlying polyisocyanurate insulation and remove them from the job site for disposal. 5. Install a single layer of 4’x8’ sheets of 1.5” isocyanurate insulation over roof surface, anchoring each sheet with six fasteners and poly plates. 6. Roof with DuroLast single ply 50 mil membrane in white, anchoring to roof deck through factory securement tabs 12" - 18" on center. Fasteners will be DuroLast approved with poly plates. 7. Flash all roof obstructions with custom made DuroLast components stacks, vents, parapet walls, etc., per manufacturer’s specifications. 8. Install two-way vents at the density of one per 1000 square feet for the relief of humidity developed within the roof system during winter use of the structure. 9. Fall protection – Safety plan varies from project to project, depending on job conditions: a. Flat or low slope roof, no walls: Require warning lines 6’ in from the building perimeter in the area of work. Personnel leaving the enclosed area wear properly secured ropes with harnesses, or work in the presence of a safety monitor. b. Flat or low slope roof with walls: Install brackets and chain barricades on top of wall, to form continuous fallprotection perimeter. c. Barrel or steep roofs: Install secured tie-offs for safety ropes. All personnel wear harnesses and ropes during roofing installation, unless working on lowsloped upper surfaces. d. Openings in roof over 2” wide in any direction will be covered to prevent falls through roof. 10. Whenever possible, all material will be stored on the rooftop. It will be placed away from roof edges and kept weighted or strapped down to avoid blowoff or damage due to winds.
