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Orange County Facility Renovations <br />Hillsborough, NC <br />Smith Sinnett HOLLOW METAL FRAMES <br />2020046/2020047/2020048/2020049/2020055 08 11 13 - 3 <br />2.6 FABRICATION <br />A. Hollow-Metal Frames: Fabricate in one piece except where handling and shipping limitations require <br />multiple sections. Where frames are fabricated in sections, provide alignment plates or angles at each <br />joint, fabricated of metal of same or greater thickness as frames. <br />1. Provide countersunk, flat- or oval-head expose d screws and bolts for exposed fasteners unless <br />otherwise indicated. <br />2. Door Silencers: Except on weather-stripped frames, drill stops to receive door silencers as follows. <br />Keep holes clear during construction. <br />a. Single-Door Frames: Drill stop in strike jamb to receive three door silencers. <br />b. Double-Door Frames: Drill stop in head jamb to receive two door silencers. <br />B. Hardware Preparation: Factory prepare hollow-metal frames to receive templated mortised hardware, and <br />electrical wiring; include cutouts, reinforcement, mortising, drilling, and tapping according to <br />ANSI/SDI A250.6, the Door Hardware Schedule, and templates. <br />1. Reinforce frames to receive nontemplated, mortised, and surface-mounted door hardware. <br />2. Comply with BHMA A156.115 for preparing hollow-metal frames for hardware. <br />2.7 STEEL FINISHES <br />A. Prime Finish: Clean, pretreat, and apply manufacturer's standard primer. <br />1. Shop Primer: Manufacturer's standard, fast-curing, lead- and chromate-free primer complying with <br />ANSI/SDI A250.10; recommended by primer manufacturer for substrate; compatible with <br />substrate and field-applied coatings despite prolonged exposure. <br />PART 3 - EXECUTION <br />3.1 PREPARATION <br />A. Remove welded-in shipping spreaders installed at factory. Restore exposed finish by grinding, filling, and <br />dressing, as required to make repaired area smooth, flush, and invisible on exposed faces. Touch up <br />factory-applied finishes where spreaders are removed. <br />B. Drill and tap frames to receive nontemplated, mortised, and surface-mounted door hardware. <br />3.2 INSTALLATION <br />A. Hollow-Metal Frames: Comply with ANSI/SDI A250.11. <br />1. Set frames accurately in position; plumbed, aligned, and braced securely until permanent anchors <br />are set. After wall construction is complete, remove temporary braces without damage to <br />completed Work. <br />a. Where frames are fabricated in sections, field splice at approved locations by welding face <br />joint continuously; grind, fill, dress, and make splice smooth, flush, and invisible on <br />exposed faces. Touch-up finishes. <br />b. Install frames with removable stops located on secure side of opening. <br />2. Fire-Rated Openings: Install frames according to NFPA 80. <br />3. Floor Anchors: Secure with postinstalled expansion anchors. <br />DocuSign Envelope ID: 09980A3B-0691-41B4-854D-3865F2287392