A full MEP package includes coordinated mechanical, electrical, and plumbing drawings — all three disciplines designed by one team. This covers HVAC system design with load calculations, electrical system design with load analysis and panel schedules, plumbing system design with fixture schedules and pipe sizing, riser diagrams, equipment schedules, fire alarm design where required, and code compliance documentation. Everything is PE-stamped and formatted for your jurisdiction's permit submission.

When you hire three separate firms, each designs their discipline independently and you're responsible for coordinating between them. Conflicts between ductwork, conduit, and piping don't get caught until construction. With BOZ, all three disciplines are designed simultaneously by one team — conflicts are caught and resolved on paper. You also get one contract, one timeline, one invoice, and one point of accountability for plan reviewer comments.

Full MEP package fees depend on building size, complexity, and the specific mechanical, electrical, and plumbing requirements of the project. Residential, commercial, and multi-family projects are scoped individually. We provide a fixed fee proposal covering all three disciplines after reviewing your project — call +1 202-998-5445.

Residential full MEP packages take 3 to 6 weeks from the time we have architectural plans. Commercial projects take 4 to 10 weeks. Large commercial and multi-family projects with complex systems take 6 to 16 weeks. These timelines reflect the full scope — mechanical, electrical, and plumbing — produced simultaneously, which is typically faster than waiting on three separate consultants working on different schedules.

Yes — and this is how most of our clients choose to work with us. BOZ designs structural and MEP under one contract, which means every MEP system is coordinated with the structural framing during design. 85% of our clients bundle structural with MEP because it eliminates the coordination problems that happen when these disciplines come from separate firms. Adding permitting to the bundle gives you the full scope from structural design through permit approval.

It depends on the scope. If your project involves significant changes to mechanical, electrical, and plumbing systems — new commercial construction, major renovations, restaurant buildouts, multi-family buildings — a full MEP package is the most efficient approach. For smaller projects that only affect one or two disciplines, you may only need individual mechanical, electrical, or plumbing engineering. We'll tell you exactly what you need during the initial call.

We design mechanical systems to the International Mechanical Code (IMC), electrical systems to the National Electrical Code (NEC), plumbing systems to the International Plumbing Code (IPC), fire alarm systems to NFPA 72, and energy systems to the International Energy Conservation Code (IECC). Each discipline is designed to the code version adopted by your specific jurisdiction — DC, Fairfax County, Arlington County, Montgomery County, and others each have local amendments.

BOZ handles all comments across all three MEP disciplines. This is one of the biggest advantages of a full MEP package from one firm. When comments come back, we coordinate the response internally — determining which discipline is affected, resolving any cross-discipline implications, and resubmitting a unified response. You don't manage the back-and-forth between three separate consultants trying to figure out whose scope the comment falls under.