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DocuSign Envelope ID: 313DA256 -1EDE- 4396- A716- 4C53B809027E <br />JERRY M. PASSMORE CENTER ADDITION AND RENOVATION <br />HILLSBOROUGH, NORTH CAROLINA <br />fc&A �LlT9I [e; KIN M tfJIYM z�y <br />A. Nonwelded Connections: Use mechanical or adhesive joints for permanently connecting railing <br />components. Seal recessed holes of exposed locking screws using plastic cement filler colored <br />to match finish of railings. <br />B. Welded Connections: Use fully welded joints for permanently connecting railing components. <br />Comply with requirements for welded connections in "Fabrication" Article whether welding is <br />performed in the shop or in the field. <br />C. Expansion Joints: Install expansion joints at locations indicated but not farther apart than <br />required to accommodate thermal movement. Provide slip joint internal sleeve extending 2 <br />inches (50 mm) beyond joint on either side, fasten internal sleeve securely to one side, and <br />locate joint within 6 inches (150 mm) of post. <br />3.3 ANCHORING POSTS <br />A. Form or core -drill holes not less than 5 inches (125 mm) deep and 3/4 inch (20 mm) larger than <br />OD of post for installing posts in concrete. Clean holes of loose material, insert posts, and fill <br />annular space between post and concrete with nonshrink, nonmetallic grout, mixed and placed <br />to comply with anchoring material manufacturer's written instructions. <br />B. Leave anchorage joint exposed with 1/8 -inch (3 -mm) buildup, sloped away from post. <br />3.4 ATTACHING RAILINGS <br />A. Anchor railing ends at walls with round flanges anchored to wall construction and welded to <br />railing ends or connected to railing ends using nonwelded connections. <br />B. Attach railings to wall with wall brackets, except where end flanges are used. Provide brackets <br />with 1 -1/2 -inch (38 -mm) clearance from inside face of handrail and finished wall surface. <br />Locate brackets as indicated or, if not indicated, at spacing required to support structural loads. <br />1. Use type of bracket with flange tapped for concealed anchorage to threaded hanger bolt. <br />2. Locate brackets as indicated or, if not indicated, at spacing required to support structural <br />loads. <br />C. Secure wall brackets and railing end flanges to building construction as follows: <br />1. For concrete and solid masonry anchorage, use drilled -in expansion shields and hanger or <br />lag bolts. <br />2. For hollow masonry anchorage, use toggle bolts. <br />3.5 ADJUSTING AND CLEANING <br />A. Clean aluminum by washing thoroughly with clean water and soap and rinsing with clean water. <br />PIPE AND TUBE RAILINGS 055213 -8 <br />