Skylights

CAD Layer Convention
X-2D-Roof-Skylight

AC Units

CAD Layer Convention
X-2D-Roof-AC-Unit

Stairs

CAD Layer Convention
X-2D-Roof-Stairs

Railing/Fence

CAD Layer Convention
X-2D-Roof-Railing

Miscellaneous

Any unidentifiable, but prominent, feature on the roof will be marked as “miscellaneous” unless previously defined at the time of quoting.

CAD Layer Convention
X-2D-Roof-Misc

Roof Surface

CAD Layer Convention

X-3D-Roof-Breakline

X-3D-Roof-Ridgeline

X-3D-Roof-Valley

X-3D-Roof-Elev

X-3D-Topo-Roof

X-Roof-Contour-Major

X-Roof-Contour-Minor

X-Roof-Surface

X-Anno-Roof-Elev

Roof Obstruction Height

CAD Layer Convention

X-Roof-Obstruction-Height