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Round 1 Bowling and Amusement 12/09/2024 Paradigm Design <br />Main Place Mall Expansion Grand Rapids, MI <br />Santa Ana, California <br />Project #2309147GR <br />HOLLOW METAL DOORS AND FRAMES 08 1113 - 4 <br />a.Materials: Metallic-coated steel sheet, minimum thickness of 0.053 inch. <br />b.Construction: Full profile welded. <br />3.Exposed Finish: Prime. <br />2.4 EXTERIOR STANDARD STEEL DOORS AND FRAMES <br />A.Construct hollow-metal doors and frames to comply with standards indicated for materials, <br />fabrication, hardware locations, hardware reinforcement, tolerances, and clearances, and as <br />specified. <br />B.Heavy-Duty Doors and Frames: ANSI/SDI A250.8, Level 2; ANSI/SDI A250.4, Level B. <br />1.Doors: <br />a.Type: As indicated in the Door and Frame Schedule. <br />b.Thickness: 1-3/4 inches. <br />c.Face: Metallic-coated steel sheet, minimum thickness of 0.042 inch, with minimum <br />A60 coating. <br />d.Edge Construction: Model 2, Seamless. <br />e.Edge Bevel: Provide manufacturer's standard beveled or square edges. <br />f.Top Edge Closures: Close top edges of doors with flush closures of same material as <br />face sheets. Seal joints against water penetration. <br />g.Bottom Edges: Close bottom edges of doors with end closures or channels of same <br />material as face sheets. Provide weep-hole openings in bottoms of exterior doors to <br />permit moisture to escape. <br />h.Core: Polyurethane. <br />2.Frames: <br />a.Materials: Metallic-coated steel sheet, minimum thickness of 0.053 inch, with <br />minimum A60 coating. <br />b.Construction: Full profile welded. <br />3.Exposed Finish: Prime. <br />2.5 FRAME ANCHORS <br />A.Jamb Anchors: <br />1.Type: Anchors of minimum size and type required by applicable door and frame standard, <br />and suitable for performance level indicated. <br />2.Quantity: Minimum of three anchors per jamb, with one additional anchor for frames with no <br />floor anchor. Provide one additional anchor for each 24 inches of frame height above 7 feet. <br />3.Postinstalled Expansion Anchor: Minimum 3/8-inch-diameter bolts with expansion shields or <br />inserts, with manufacturer's standard pipe spacer.