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 Oil Separator: Draw-Off, Gravity Type -EST Draw-off, Gravity Type with External Storage Tank -EST-BXT BOLT ON EXTENSION -EST-EXT Extended Top (Formerly 60500A-Q508) -EXT Extended Top, Draw-Off, Sediment Bucket (Formerly 60520A)