About Spencer Bristol Engineering

Spencer Bristol Engineering is a full-service MEP consulting engineering firm with the skills and resources to design and manage projects of any size and complexity ranging from small single-discipline jobs to demanding projects involving multiple buildings and disciplines.

The engineers at SBE offer a full complement of services including:

Heating, Ventilating and Air Conditioning (HVAC) Systems

Lighting Systems

Power Distribution Systems

Fire Protection and Life Safety Systems

Security System Design

Siphonic Roof Drainage Systems

Telecommunications System Design

Arc Flash Studies
Plumbing and Process Piping Systems

SBE was founded with a mission to bring an honest, uncomplicated approach to engineering. Our attitude of approaching each project as a design partner has earned us a solid reputation for quality, reliability and responsiveness.

We'll bring to your next project a talented, experienced staff backed by state-of-the-art technologies, active principal involvement, and attentive client service from the first step until the last when construction has been completed and all systems are functioning as they should.

Spencer Bristol Engineering is the result of a long and successful working relationship come full circle.

The firm's principals, Morley Spencer and Doug Bristol, first worked together in the early 1990s when they held executive positions at the same large international engineering firm. Although both left to form their own engineering firms, they often found themselves working together on projects and quickly developed a productive relationship driven by their shared values and similar vision for how to best serve their clients.

Eventually they joined forces in Spencer Bristol Engineering, a consulting engineering firm offering a full range of services provided by a talented team of engineering professionals.

morley spencer, PE, mechanical consulting engineer

Morley V. Spencer, P.E.
Bath Technical College (England)
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Originally from Bristol, England, Morley began his engineering career at the respected British firm of Drake & Scull Engineering, Ltd. before moving to the United States and becoming an American citizen.

Morley continued his career as a principal in a Macon, GA engineering firm, followed by the role of Engineering Vice President for a large, international multi-discipline firm in Atlanta. In 1995 he left to found Spencer Engineering, the firm that is now Spencer Bristol Engineering.

Morley's experience includes the design of HVAC systems, process piping and fire protection systems for projects ranging from small renovations to multi-million dollar commercial projects including international projects in Panama, Mexico, and other locations. His particular expertise is complex renovation projects.

Morley is registered in states throughout the Southeastern US and in California.

Doug Bristol PE, consulting engineer electrical

Doug Bristol, P.E.
Georgia Institute of Technology
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Doug has been designing electrical power, lighting, and special systems for more than 20 years. His diverse clients encompass such fields as higher education, commercial, institutional, correctional, healthcare and aviation. His experience with system types is equally diverse: energy plant power distribution, telecommunications, backup generation, UPS systems, Life safety, lighting design, and energy management.

His career path has progressed from an executive position with a large, multi-discipline international firm, to project management for an international telecommunications company, to a partnership in Covalent Consulting (an Atlanta-based engineering firm) to his current position as Principal of SBE.

The basis for Doug's design approach and philosophy is his extensive value analysis experience. He is committed to developing cost effective and high quality engineering solutions to achieve the goals of our clients. He is registered in various states throughout the eastern USA.

Frank L'Estrange, Senior Plumbing Engineer, Spencer Bristol Engineering

Frank L'Estrange, P.E. CPD, LEED AP
University of Alabama
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As SBE's Senior Engineer/Plumbing, Frank brings a wealth of expertise in the design of plumbing, fuel storage/dispensing systems, fuel pipeline transportation systems, and Hydraulic Transient Calculations (Surge Analysis), along with mechanical engineering design for HVAC systems. In addition to his engineering responsibilities, Frank directs SBE's internal training program.

His engineering experience includes work for clients such as IKEA, Bed Bath & Beyond, Home Depot, EXPO Design Center, Homestead Village Hotel and Ritz Carlton Hotels. Additionally, he performed Hydraulic Transient Calculations (Surge Analysis) for Hydrant Fueling Systems for military bases including Andrews Air Force Base, McCord Air Force Base and Rickenbacker Air National Guard Base, as well as for the Charlotte Douglas international Airport.

Frank is a graduate of the University of Alabama and is a member of American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE), American Society of Plumbing Engineers (ASPE), and American Society of Mechanical Engineers (ASME). Frank is a LEED accredited professional and a Certified Plumbing Designer and is registered in twenty states.

Vincent Mazzei, P.E. LEED AP
Tennessee Technological University
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As SBE's Senior Mechanical Engineer, Vincent's experience spans more than two decades in the design of mechanical, plumbing, and fire protection systems for a diverse range of project types including medical, aviation, recreational, hospitality, educational, commercial and industrial.

His work on educational facilities includes the public schools systems for the City of Atlanta (GA), City of Dallas (TX), and Greenville County. His aviation experience includes projects at Hartsfield Jackson International Airport, Dallas Ft. Worth International Airport, Charleston Air Force Base, and the Naval Air Station (Jacksonville, FL).

Vincent's career path includes progressively more senior roles with consulting design firms in the Atlanta market where he was not only actively engaged in project design but also managed the firms' mechanical engineering departments. Just prior to joining SBE, Vincent was a principal with May River Engineering. LLC.

He is registered in 24 states (NCEES record established) and holds a degree in Mechanical Engineering from Tennessee Technological University.

Michael Wagner, PE, consulting engineer, electrical

Michael Wagner, P.E.
Georgia Institute of Technology
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Michael's impressive credentials span a career of over fifteen years in power, lighting, and telecommunications along with significant leadership roles in developing and managing quality management and processes.

He has extensive experience with projects including data centers, protected power and distribution and telecom facilities for clients including Cellular One, Bellsouth Information systems, PanAmSat, Delta Air Lines, Medical College of Georgia, Verizon Wireless, and others.

Prior to joining SBE as our Senior Electrical Engineer, he was Electrical Lead for Mission Critical Facilities group at a large multi-discipline firm where his responsibilities included the technical quality of products delivered by the business unit, along with working with management from the firm's various departments and disciplines to ensure consistent quality and adherence to management standards.

Michael is registered in eight states (NCEES record established) and holds a degree in Electrical Engineering from the Georgia Institute of Technology.

Our Memberships and Affiliations:

American Society of Heating, Refrigerating and Air Conditioning Engineers

Institute of Electrical & Electronics Engineers

Illuminating Engineering Society

National Fire Protection Association
American Society of Plumbing Engineers
American Society of Mechanical Engineers
Association of Physical Plant Administrators
U.S. Green Building Council (USGBC)

“LEED Accredited Professional” and related acronym, and the LEED AP logo are trademarks owned by the U.S. Green Building Council and awarded to individuals under license by the Green Building Certification Institute.