Sound Transit Capital Programs, Federal Way HOV Access/S 317th St. WSDOT

OWNER Sound Transit | LOCATION Federal Way, WA | PROJECT TYPE Civil, Structural, Roads, Bridge, Ramps, Retaining walls, Facilities, Design

ROLE: Quality Assurance Auditor Conducted Independent Quality Oversight services on Sound Transit's Capital Projects Program. Audited design deliverables at major milestones in the project plan (60%, 90%, 100% completion). Project included structures, off ramps, interstate highway, arterial roads, retaining walls, and bridges.

Project Background

The project provided for improvements of I-5 in south King County, Mile Post (MP) 143.25 to MP 144.74 by constructing a direct access ramp from South 317th, the connection from Federal Way Transit Center and Park and Ride Facility into the HOV lanes of I-5. The project would also add HOV lanes and improve positions of I-5 within project limits. The work included clearing and grubbing, grading, drainage, storm sewers, asphalt and concrete pavement removal. Paving with hot mix asphalt and concrete, dowel bar retrofit, grinding, construction of structural earth and reinforced concrete retaining walls, construction of S 317th St. under crossing, widening of bridge 5/506E, erosion control and planting, curb, curb and gutter, permanent signing, landscaping, permanent and temporary illumination, traffic signals, ITS, traffic control, and other related improvements.

Scope of Work