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On April 1, 2017, Garrison Engineering joined Coffman Engineers.

Coffman’s exciting partnership with Garrison Engineering expanded our service offering, and increased staffing, allowing us to better serve our clients. Continuing to work out of their Burlington, Washington office, where it has been since 2001, Carl Garrison, PE, and the talented former Garrison staff, offer specialized water, mechanical, and industrial engineering services. Coffman’s Brian Walkenhauer, SE,  relocated from Coffman’s Seattle office at the time, to launch and lead a structural engineering team in Burlington. The Burlington location is also directly supported by the Seattle office and by engineers and staff across our many  locations.

The addition of Garrison to Coffman brings the following experience:

Water System Engineering

-Group A Water Systems.
-Group B Water Systems.
-Water Treatment.
-Arsenic Removal.
-Well Rehabilitation.
-Pump Stations.
-Surface Water Treatment.

Industrial Engineering

-Pumps, Piping & Controls.
-Structural Design and Retrofitting.
-Food Processing.
-Water & Wastewater Treatment.
-pH Neutralization of Wastewater.
-Process Engineering.
-Energy Studies.
-Corrosion & Coatings.

Mechanical Engineering

-Commercial HVAC.
-Plumbing.
-Non-Residential Energy Code Compliance.
-Design Build Specifications.
-Building Commissioning.