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Option 2: Within a partial enclosure that includes an overhead cover and no more than two walls.
Option 3: Within a partial enclosure that includes an overhead cover and more than two walls, provided
it meets the following conditions:
• At least 25% of the total wall area is completely open, and
• At least 30% of the remaining wall area is open and unrestricted.
C3 Corner Installations
If a cavity is to be created in a corner, the following drawings provide the minimum interior wall
dimensions.
NOTE: Allowances need to be made for cladding the internal parts of the cavity.