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|BOX CANYON HYDROELECTRIC PROJECT UPSTREAM FISH PASSAGE FACILITY CONTRACT NO. 16-002|
Kiewit Infrastructure West Co.
|NEW CONSTRUCTION OF THE MARYSVILLE SENIOR COMMUNITY|
|SWAMP CREEK BRIDGE NO. 504 REPLACEMENT PROJECT|
McClure and Sons Inc.
|UNIVERSITY OF WASHINGTON - FLUKE HALL CLEAN ROOM LABORATORY REPLACEMENT|
|5000 UNIVERSITY APARTMENTS|
Synergy Construction Co. Inc.
November 21, 2012
Jason L. Mattox re-joined HDJ Design Group in the Tri-Cities as an associate principal, primarily managing design for residential and commercial projects. Mattox has 9-plus years of civil engineering experience with residential, commercial and public works projects. He has also managed roadway, drainage and stormwater projects, sewer and water and irrigation systems, and has experience in permitting for government agencies.