Q #1: We are working on design of 10-story school in downtown of the major US city. Design calls for roof play yard. Do we need to apply 10 feet rule for re-entry doors leading to elevator lobby?
Q #2: Design of another urban school calls for roof garden - do we need permanent walk-off system rules apply to re-entry from the garden?
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Allison Beer McKenzie
Architect, Director of SustainabilitySHP Leading Design
LEEDuser Expert
646 thumbs up
May 18, 2011 - 8:37 am
Yes- you should plan for 10' of walk-off system at the building entries from both of these exterior spaces. The idea is to contain particles, dust and dirt before they can get in the building and since you have the opportunity to pick up dirt and debris on the roofs, walk-off surface is required.