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Search results with tag "Sanborn map"
Sanborn Black and White Map Legend - Digital Sanborn Maps
sanborn.umi.comsanborn map coding of non-residential fire-resistive structural units for firepro(y and non 3. legend .combustible buildings glossary an arbitrary boundary be-
Sanborn Map Abbreviatio ns
web.mit.eduPressure Fire Service” as shown on key map. 5 AF IEP 4 6 2345 ALL (C.B.) (C.B. & BR). Figures 8,12,16 indicate thickness of wall in inches Wall without opening and size in inches alw i th op engsf r d Opening with single iron or tin clad door Opening with double iron or tin clad doors Op en igw th sa rf o Openings with wired glass doors Dr ...