Plumbing riser diagrams are required by most building departments for multi-story commercial and multifamily buildings — showing the vertical distribution of water supply, sanitary drainage, venting, and gas piping floor by floor. Apex Grid produces plumbing riser designs for multi-story buildings as part of a complete plumbing permit package.
Request Engineering SupportApex Grid Engineering is a multi-discipline firm with multi-state PE coverage confirmed per project. We provide plumbing riser design as a standalone service or coordinated with structural, MEP, civil, and geotechnical engineering under one contract. Our engineers produce PE-stamped permit packages that building departments accept — and we respond to plan check comments as part of the scope.
Send Your Project DetailsPE-stamped engineering, on your schedule, from engineers who've done this before.
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