Autodesk 00128-051462-9310 - AUTOCAD 2008 COMM UPG FRM 2005 DVD, User Manual

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If wall openings have a width larger than or equal to 1.50m, the usable boundaries are offset to the center of the
wall.
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If doors have a width larger than or equal to 1.50m, the usable boundaries are measured to the inside of the door
frame.
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If wall openings have a width smaller than 1.50m, the usable boundaries are offset 0.15m into the wall.
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If columns are set to bound spaces, as described in “ Setting an Object Style as Bounding ” on page 1590 and “ Setting
an Object Instance as Bounding ” on page 1590 the usable boundary will be offset 0.15m into the column. The rest
of the column area will be subtracted from the usable area.
Freestanding columns are calculated as an interior wall. The usable boundary is offset 0.15m into the column.
Gross Area
The following rules apply to the generation of gross boundaries with the SIS standard:
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The gross boundaries are measured to the center of the wall if the space has an adjacent space. If there is no adjacent
space, the gross boundary is offset to the opposite side of the wall.
Calculating Spaces Based on the SIS Standard | 1745