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 Draw -Off Type Interceptor -EST Draw-off, With External Storage Tank -EST-EXT Draw-0ff, with External Storage Tank and Extended Top -EST-EXT60 Draw-0ff, with External Storage Tank and Extended Top and Anchor Flange -EXT High Volume, Extended Top, Draw-Off, Sediment Bucket (Formerly 60600A)