About steel buildings

[Frank S]

A couple of other things which have not been covered yet additional to permits will be the required inspections for your C of O
( certificate of occupancy)
Also if this building will be open for public access of any kind most Muni's require handicap access as well as restroom facilities.
Should you ever have employees which in many cases also includes part time and unpaid or paid apprentices or interns you could be required to have a break room. This will also require parking. next the area beautification Nazis will require landscaping.
The local Chamber of commerce, Police,and Fire departments will have their say as well before you will be allowed to have the utilities turned on
This link may help you in your area
Toronto Building Fee Schedule - Forms, Fees & Guides - Toronto Building | City of Toronto
Good luck, Once you start down the road of no return you may even be required to have a perfectly good slab removed only to have to replace it.
If you go with a Pre-engineered steel building be sure to ask lots of questions of the company you are considering
Questions like do they offer a set of plans for the various blood suckers will they help you with or acquire the permits and inspections for you can they do a turn key site prep. from start to completion or how much can you save if you do some of the work yourself.
Make a list of everything you can think of then leave several blank spaces for additional answers to questions they may offer that you haven't thought of.
Using shipping containers or retired house hold goods transport trailers like previously mentioned can be a viable option, but in some areas those still will be highly scrutinized ass well , and in some areas not even allowed without full disclosure, inspections and permits