MEP / Building Systems

Plumbing Engineering

Plumbing design for water supply, drainage, fixtures and equipment connections.

What this covers

Understanding Plumbing Engineering

Start with the proposed use and fixture layout. The engineer may address distribution, system capacity and connections to existing services, coordinated with the building layout and other systems.

When engineering may be required

When to involve an engineer

An engineer may be needed when adding fixtures, changing a commercial use, modifying shared systems or preparing plumbing plans for review.

Confirm the engineering scope with the professional you engage and any permit requirements with the local building department.

Engineering tasks

What the engineer may review

Topics that may be relevant to the review: aboveground tank, bathtub, boiler, cleanout, drainfield and dryer vent.

The engineer can review existing conditions, evaluate the proposed changes and prepare the calculations or design details included in the agreed scope.

Common projects

Project examples

  • Relocating fixtures during a renovation
  • Designing water and waste connections for new equipment
Deliverables

Documents to discuss

These documents may be relevant to the work. Agree on the deliverables with your engineer and confirm any submission requirements with the reviewing authority.

  • plumbing plans
Common situations

Related project types and terms

  • fixture replacement
Requesting a quote

What to have ready

Start with a short description. These details can help define the scope, but you do not need everything ready to request a quote.

  • The project city or county, and the property address if known
  • What you want to build, change or repair
  • How the space or site is used now and what you plan to change
  • Whether you have drawings or photos to share during follow-up
  • The status of any permit application and comments received
  • Your target dates or other scheduling constraints
Related services

Related engineering services

Related work and terminology

Terms you may see on plans and permits

Terms that may appear in plans, permit comments or contractor conversations about this work.

  • aboveground tank
  • bathtub
  • boiler
  • cleanout
  • drainfield
  • dryer vent
  • fuel tank
  • furnace
  • gas appliance
  • gas piping
  • gas service
  • grinder pump
  • laundry room
  • lavatory
  • lift station
  • locker room
  • natural gas
  • plumbing
  • propane
  • restroom
  • sanitary sewer
  • septic system
  • septic tank
  • sewer connection
Find help near me

Plumbing engineering near me

Choose the project location to explore local information and request a quote.

Request an engineering quote

Tell us about the project and where it is located. You do not need to know which engineering discipline applies.