Keller Associates, Inc.

Mr. Carnahan brings a wide variety of pragmatic experience to any project team with his 16 years of working experience throughout the Northwest. As a Project Manager, Mr. Carnahan has taken the lead through his multi-faceted project experience and regional knowledge; becoming a versatile engineer. He has successfully managed a wide variety of projects ranging from small pathways to arterial roadway improvements; including signalized intersections, irrigation relocation, storm drain facilities, and bridge replacements. Mr. Carnahan has managed project teams ranging in size from two to twenty members; varying in relation to the size of the project and schedule for the given contract.

Mr. Carnahan’s experience includes 4 years with Toothman Orton Engineering Company located in Boise. Here Mr. Carnahan developed the basis of his engineering knowledge; as his primary role was survey and design tasks. This knowledge and experience was further refined through 5 years with Civil Survey Consultants Inc. of Meridian. Throughout this experience, Mr. Carnahan’s level of responsibility steadily increased in relation to roadway design, project management, sewer trunk line, force main, pump station, and pressurized irrigation design. While at Keller Associates, Mr. Carnahan has furthered his professional development through his involvement with ITD, ACHD and various city, private, and institutional projects. His transportation experience includes roadway design, right-of-way, roadway rehabilitation, pathways, traffic impact analysis, transit studies, traffic modeling, corridor studies, and transportation studies. Mr. Carnahan is also experienced with well drilling and development, pump station, water distribution, water system evaluations, sewer collection, trunk line, force main, and lift station designs. Mr. Carnahan has a vast amount of storm water experience, including hydrologic, hydraulic, storm sewer, detention pond and floodplain analyses. He is familiar with the NPDES permitting and obtaining TMDL requirements through policy implementation, improved maintenance operations and the construction of appropriate BMPs.