This drawing establishes the vertical layout and dimensional relationships for a mullion, reveal, and opening head. Horizontal reference lines mark the centerlines of the mullion and reveal alongside the top of the opening. Dimensional callouts indicate vertical spacing of eight feet and two feet. Detail reference bubbles direct attention to related assembly junctions.
TOP OF OPENING C. L. OF REVEAL C. L. OF MULLION - M 8'-0" 2'-0" 2'-0" AD-3 5 6 AD-3 14 AD-3 9 - M
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