🔧
POTABLE WATER, WASTE, STORM & SPECIALTY SYSTEMS
Plumbing Engineering
Permit‑ready plumbing engineering for commercial, industrial, and public projects across Washington and Oregon — domestic water, sanitary, storm drainage, and specialty systems designed to perform without creating jobsite surprises
- Serving Washington & Oregon
- (509) 720-7048
- Veteran-Owned Small Business
- Small Business Enterprise (SBE)
- Certified Minority & Women’s Business Enterprise (WA OMWBE)
- Compliant with:
- ICC | IBC | LEED | NFPA | IEEE | ASHRAE | VA Standards
OVERVIEW
Plumbing engineering that works in the field
CEG delivers permit-ready plumbing engineering that supports fast approvals, clean coordination, and smooth construction. From domestic water and sanitary systems to storm drainage, specialty piping, and facility upgrades — we design plumbing systems that are code-compliant, serviceable, and built to perform without creating downstream RFIs or jobsite surprises.
✓ Veteran-Owned & Certified Small Business (VOSB, SBE, MWBE)
✓ Experts in Commercial & Public Infrastructure Projects
✓ Fast Permit Turnaround & Local Jurisdiction Expertise
✓ Integrated MEP, Civil, & Structural Design for Full Coordination
✓ Multidisciplinary Team with 5+ Years Serving the Pacific Northwest
WHAT WE DELIVER
Core plumbing services
Four areas where CEG consistently delivers for plumbing clients — from the first system layout through construction closeout.
Domestic water systems
- Hot and cold water distribution design
- Recirculation strategy and water heating
- Fixture and demand load analysis
🔩
Sanitary waste & vent
- Gravity waste and sanitary design
- Specialty venting as required
- Clear riser diagrams and details
🌧️
Storm drainage
- Storm drainage design and sizing
- Coordination with civil site drainage
- Utility tie-in coordination as needed
Specialty plumbing
- Commercial kitchens, labs, and industrial use
- Retrofit and phased construction design
- Equipment schedules and installation notes
DETAILED SERVICES
Electrical engineering services
We provide analysis and evaluation support when systems are aging, failing, undersized, or being repurposed — so decisions are based on data, not guesswork.
Failure analysis & root cause evaluation
Diagnosis of leaks, corrosion, pressure issues, and system performance problems
Flow & pressure evaluation
Domestic water system capacity and pressure assessment for renovations and change of use
Fixture & demand load analysis
System condition assessments
Life cycle cost analysis (LCCA)
Data-driven replace-vs-repair analysis for capital planning and budget decisions
Inspection reports & certification support
We deliver coordinated plumbing designs that meet code, permit cleanly, and install efficiently — with clear risers, schedules, and details that contractors can build from.
Plumbing system design
Full plumbing design for new buildings and facilities from SD through CDs
Domestic water distribution
Hot and cold water systems including recirculation strategy and water heating coordination
Sanitary waste & vent systems
Gravity drainage, specialty venting, and code-compliant fixture connections
Storm drainage design
Storm plumbing sized and coordinated with civil and site drainage systems
Water heating system sizing
Equipment selection, sizing, and coordination for domestic hot water systems
Specialty plumbing design
Retrofit & renovation design
Equipment schedules & riser diagrams
FULL CAPABILITIES
Everything We Do In Plumbing
A complete picture of our plumbing engineering capabilities — from early feasibility through construction closeout.
✓ Domestic water system design
✓ Sanitary waste & vent design
✓ Storm drainage design
✓ Water heating system sizing
✓ Specialty plumbing systems
✓ Retrofit & renovation design
✓ Fixture & demand load analysis
✓ System condition assessments
✓ Failure analysis & root cause
✓ Life cycle cost analysis (LCCA)
✓ System condition assessments
✓ Construction administration
INDUSTRIES SERVED
Built For Your Sector
We deliver plumbing engineering across public and private sectors — from healthcare and education to government facilities and commercial developers.
Government & Military
Healthcare
Education
Industrial
Commercial & Retail
Public Safety
WHO WE SERVE
Tailored to your role
Developers
Reduce delays and control costs with code-compliant electrical designs that support permitting and construction schedules without budget surprises.
📐
Architects
🏛️
Public Agencies
Public-sector-ready documentation, code compliance support, and accountability for long-term facility performance.
🏗️
Contractors
Field-friendly drawings, clear schedules, and responsive engineering support to reduce RFIs and avoid rework on the jobsite.
OUR PROCESS
How We Get Projects Done Right
Site Assessment
We evaluate your site, project goals, jurisdictional requirements, and opportunities for cost savings.
Design & Coordination
Our team delivers clean, code-compliant designs tailored to your site conditions, integrated across disciplines.
Permit Submission
We help prepare and support your civil permit applications with responsive revisions and jurisdiction knowledge.
Construction Support
From field RFIs to inspections—we’re here to ensure your site is built to spec with no surprises.
FEATURED PROJECTS
Plumbing Engineering Work We're Proud Of
Sutton Trucking Regional Distribution Hub
Cowlitz County, WA
Complete MEP design for a 27,000 SF trucking hub, delivered by CEG, featuring VRF HVAC, energy recovery ventilation, infrared heaters, LED lighting controls, and full plumbing infrastructure. See more…
SunModo Warehouse Storage and Distribution
Vancouver, WA
SunModo’s 35,000 SF warehouse and office received complete MEP engineering by CEG, incorporating heat pump HVAC, EV charging, and rooftop solar to support growth and sustainability goals. See more…
Eastern State Hospital Laundry Waste Line Replacement
Medical Lake, WA
CEG resolved chronic drain backups, replacing waste and vent pipes across four floors and expanding laundry facilities, with plumbing and electrical engineering provided. See more…
CLIENT TESTIMONIALS
What Our Clients Say
Placeholder for Reviews
— General Contractor, Vancouver, WA
Placeholder for Reviews
— Municipal Project Manager
Common Questions
Questions we hear often — answered directly, without the runaround.
Do you provide plumbing engineering for retrofits and renovations?
Can you coordinate plumbing with stormwater and civil utilities?
Yes — we coordinate plumbing storm drainage with civil and site drainage systems to reduce conflicts and streamline approvals. Utility tie-in coordination with local agencies is also part of our standard process.
Do you support specialty plumbing systems?
Yes — commercial kitchens, laboratories, and industrial spaces often require specialty plumbing design and coordination. We handle these as part of our standard plumbing engineering services, including custom piping systems and equipment coordination.
How do you coordinate plumbing with other MEP disciplines?
We coordinate plumbing layouts with Mechanical, Electrical, Structural, and Civil requirements as part of our standard process — reducing clashes, reroutes, and field surprises before they hit the jobsite.
START YOUR PROJECT
Ready to Build with Confidence?
CEG is your partner for high-performance, permit-ready plumbing engineering solutions. We serve WA, OR, ID, FL, WY, and CA with veteran-led precision, full-service coordination, and a deep understanding of the real-world construction process.
- 509.720.7048
- info@cegiusa.com
- 17509 NE 56th Ct, Vancouver, WA 98665
- Monday – Friday 8:00 AM – 5:00 PM PT
Other Services
🏛️ Structural Engineering
⚙️ Mechanical Engineering
⚡ Electrical Engineering
🏗️ Civil Engineering
Fire Protection Engineering
Let’s Start Your Project
Complete the form below and a member of our team will follow up within one business day to discuss your project.