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DocuSign Envelope ID:D561B1AE-DF34-4907-AD06-AOEB37BBE427 <br /> CHAPEL HILL ORANGE COUNTY VISITORS BUREAU August 12,2020 <br /> 308 WEST FRANKLIN,CHAPEL HILL,NC <br /> E. Mineral-Core Doors: <br /> 1. Core: Noncombustible mineral product complying with requirements of referenced <br /> quality standard and testing and inspecting agency for fire-protection rating indicated. <br /> 2. Blocking: Provide composite blocking with improved screw-holding capability approved <br /> for use in doors of fire-protection ratings indicated as needed to eliminate through- <br /> bolting hardware. <br /> 3. Edge Construction: At hinge stiles, provide laminated-edge construction with improved <br /> screw-holding capability and split resistance. Comply with specified requirements for <br /> exposed edges. <br /> 2.3 VENEERED-FACED DOORS FOR TRANSPARENT FINISH <br /> A. Interior Solid-Core Doors: A&B type doors as scheduled. <br /> 1. Grade: Premium,with Grade A faces. <br /> 2. Species: Select white birch <br /> 3. Assembly of Veneer Leaves on Door Faces: Center-balance match. <br /> 4. Construction: Seven plies, either bonded or nonbonded construction. <br /> 5. WDMA I.S.1-A Performance Grade: Standard Duty. <br /> B. Wood Beads for Light Openings in Wood Doors: Provide manufacturer's standard wood beads <br /> as follows unless otherwise indicated. <br /> 1. Wood Species: Same species as door faces. <br /> 2. Profile: Flush rectangular beads. <br /> 2.4 FABRICATION <br /> A. Factory fit doors to suit frame-opening sizes indicated. Comply with clearance requirements of <br /> referenced quality standard for fitting unless otherwise indicated. <br /> 1. Comply with requirements in NFPA 80 for fire-rated doors. <br /> B. Factory machine doors for hardware that is not surface applied. Locate hardware to comply <br /> with DHI-WDHS-3. Comply with final hardware schedules, door frame Shop Drawings, <br /> DHI Al 15-W series standards, and hardware templates. <br /> 1. Coordinate with hardware mortises in metal frames to verify dimensions and alignment <br /> before factory machining. <br /> 2. Metal Astragals: Factory machine astragals and formed-steel edges for hardware for <br /> pairs of fire-rated doors. <br /> C. Transom and Side Panels: Fabricate matching panels with same construction, exposed surfaces, <br /> and finish as specified for associated doors. Finish bottom edges of transoms and top edges of <br /> rabbeted doors same as door stiles. <br /> WOOD DOORS 081416 -4 <br />