Your posting __Residential Renovation Plumbing Riser Diagram -- 2__ is my main field. I am "✪Dream Only In Architecture(DOIA)✪" team member and I would like to help you with professional engineering plan for permit. We are consist of licensed Engineers with plenty of experience in architecture, Structural and Civil engineering.
We have engineering licensed in AR, CA, DE, HI, IA, IL, GA, NY, NC, OH, OR, TN, TX, VA, WA, FL and etc.
As a Multi-Licensed Engineer in US, I have done residential and commercial building design and remodeling for the past 10+ years.
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If you have any questions or would like to discuss more details, please feel free to contact me.
Best regards.