Specifies the lowest elevation of the slab or the slab boundary objects. For example, if the slab is bounded by four structural members, then the software displays the lowest elevation of either the slab or the members, whichever is lower.
Specifies the lowest elevation of the slab or the slab boundary objects. For example, if the slab is bounded by four structural members, then the software displays the lowest elevation of either the slab or the members, whichever is lower.