Founded in 1990, Harper Houf Peterson Righellis (HHPR) is a firm of senior-level civil and structural engineers, planners, landscape architects, technicians and surveyors with design, technical and management experience.
HHPR's parternship with the PPI Group stems from the quality customer service and follow through that PPI offers them for all of their divisions, namely their survey/civil engineering team.
The spotlight project involves a large retail grocery chain (with multiple locations in Oregon, Washington, Alaska, Texas, Montana and Canada) contracting Interface Engineering to design prototype stores using Revit MEP software. There was a need to identify collision detection, improve project coordination, and extract information before the project was in construction.
For more than 50 years, the Alaskan Way Viaduct has been the main north-south highway through Seattle. In 2001, an earthquake damaged the viaduct, heightening concerns over its seismic safety. The engineering firm Parson Brinckerhoff (PB) have developed numerous replacement options for the viaduct...
With an annual budget of more than $294 million and a 2009 construction budget of $75 million, Snohomish County Public Works is the largest department in the government of Snohomish County, WA. Working from a central campus and 10 outlying sites, the agency's 670 employees perform a variety of services, including road maintenance, traffic engineering, and surface water management.