Naw, don't worry about them "hick" California Codes.
Just go ahead and design it like you like, and when you don't meet the energy code, you can do it over!
You can get a copy of the California Energy Codes online for FREE That and a 2002 NEC should do it, unless you were too cheap to buy one of those, either.
BTW a ten person barracks is generally referred to as a shed or a tent, and doesn't really require a whole lot of engineering, does it?