EXISTING SHELTER ISAT details in AutoCAD, dwg file.
<p>This Architectural Drawing is AutoCAD 2d drawing of EXISTING SHELTER ISAT details in AutoCAD, dwg file. The Site Class is <strong>based on the average conditions present within 100 feet of the ground surface</strong>, and are designated as A-F, with hard rock, considered an 'A,' down to potentially collapsible soils, which get an 'F. ' The Site Classification is based on shear wave velocity.</p>