The construction details are not currently available on the Boise website, but they are available in zip folders following these links.
US English DXF format:
https://s3-us-west-2.amazonaws.com/bcframer/Other/US+English+DXF.zip
US English WMF format:
https://s3-us-west-2.amazonaws.com/bcframer/Other/US+English+WMF.zip
All Locales DXF format:
https://bcframer.s3-us-west-2.amazonaws.com/BCF2.0+Details/All+Locales+Languages+DXF.zip