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: Small Sump, Clamp Ring & Cast Iron Dome -AER Adjustable Extension using Threaded Rods and Hardware -IRMA Perforated Stainless Steel Extension -Q5 22080-Q5 Combination Drain -TSO Threaded Side Outlet -011420 22080-DC CAST IRON CLAMP RING -10 Fixed Extended Collar, Cast Iron -17 2 Inch High Solid Clamping Collar REVIT 22080 Revit Drawing