If my project-base point, survey point, and first floor are at 00, and I create a topo whose points are at 00, then why is my topo surface at -1'-7 1/2"?
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Topo not at 00
If my project-base point, survey point, and first floor are at 00, and I create a topo whose points are at 00, then why is my topo surface at -1'-7 1/2"?
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