the transport boxes would nt of been over 6" deep and the compartments same size but 24" long usually to hold 4 or 6 Hares in individual compartments.
your sewer pipes might be ok one on each shoulder but cumbersome if you have a few to carry
Y.I.S Leeview
I only get one or two at most lee, the pipe could be reduced down to 7 or 8 it just an experiment for the transporting them iv never seen a cop asking for ferret box to be open lol