CAD Drawings CAD Drawings are provided as reference-only representations of the product. For latest dimensions always consult the current submittal sheet. Available CAD Drawings Variation Description Roof Drain: Medium Sump & 11-3/8" Square Cast Iron Promenade Top -IRMA Medium sump, promenade top with SS perf extension -12 Cast Iron Extension Flashing Collar -66 No-Hub Side Outlet