Here is a couple I've got for future reference, good luck.
http://bioengr.ag.utk.edu/extension/ExtPubs/Plans/6248.pdf
http://www.middlesexdesign.com/chickens/coop.htm
http://www.ag.ndsu.nodak.edu/abeng/plans/nd727-8-1.pdf
http://bioengr.ag.utk.edu/extension/ExtPubs/Plans/6248.pdf
http://www.middlesexdesign.com/chickens/coop.htm
http://www.ag.ndsu.nodak.edu/abeng/plans/nd727-8-1.pdf