unenclosed-covered-area
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unenclosed covered area
Also called: UCA
HB50
sum of all unenclosed covered areas at all building floor levels, including roofed balconies, open verandahs, porches and porticos, attached open covered ways alongside the building(s), useable space under the building(s), unenclosed access galleries (including ground floor) and any other trafficable covered areas of the building which are not totally enclosed by full-height walls
The UCA is computed by measuring from the inside face of any enclosing walls, balustrades or supports, but excludes connecting or isolated covered ways, and eaves, overhangs, sun shading, or awnings unless they relate to clearly defined trafficable covered areas.