The overhead door head assembly features a vertical lift breakaway track designated for docks and drive-ins, requiring a minimum clearance of twelve inches below the roof structure. Exterior wall panels and interior wall insulation are coordinated with the structural framing above. A dock seal is positioned at the exterior face aligning with the door opening height per the schedule. The concrete slab and foundation details are coordinated per structural drawings.
DOOR OPENING SEE SCHEDULE VERTICAL LIFT (BREAKAWAY) @ DOCKS AND DRIVE-INS USE MIN. REQUIRED CLEARANCE 12± ROOF STRUCTURE EXTERIOR PANEL, SEE WALL TYPES SEE STRUCTURAL DOCK SEAL 2'-0" WALL INSULATION, SEE G002
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