For the crane itself, you may want to check out CMAA Report # 70. Not sure if that is acceptable in Canada or if that is only U.S. applicable.
The crane runway beams is another matter which should fall into normal steel design specifications (AISC if you're south of the river) with the...
Here's another link to automobile buildings:
http://usabldg.com/auto.html
The home page is www.usabldg.com
Pricing is going to vary greatly depending on location, spans, type of cladding, construction conditions, etc.
You may want to get some quotes to develop your budget numbers.