Home Improvement Questions? Ask a Handyman for Answers
I'm going to open this backup to my colleagues so one of them can help. Please don't respond (even to acknowledge this post)until you get a response from us. If you respond first it will only delay your answer.You're design sounds fine but your terminology is a bit confusing. The 2 x 10's that support the treads are called stringers not risers. Using brackets to support the treads is an excellent approach. The only thing is that this design isn't code compliant but given its purpose I wouldn't worry about that.