King County office building, garage

Image by Ron Lloyd Associates, courtesy King County
King County’s office building planned for Goat Hill in Seattle is expected to achieve LEED silver status.

Project description:

A 13-story LEED silver-rated office building with public health service area and retail space on the main level, and two levels of below-grade parking for 87 vehicles. The 296,000-gross-square-foot building will be outfitted with energy-efficient clear glazing, colored metal and granite.

A separate nine-story parking garage opened in early December 2005 with 823 parking stalls. About 100 stalls are dedicated for county fleet vehicles. The garage has a 70-foot-tall aluminum mural created by artist Michael Spafford in 1979 called “Tumbling Figure: 5 Stages.”

The project includes a pedestrian concourse which connects Fifth Avenue to the new garage on Sixth Avenue. A tunnel under Fifth will also be constructed, completing the underground connection between the buildings that make up the county’s campus.

Address: 401 Fifth Ave., Seattle (office)
415 Sixth Ave., Seattle (garage)

Cost: $81.6 million (construction); $64.7 million (shell and core); $16.9 million (interior) $92.4 million (total)

Type of contract: 63-20 tax-exempt bond development with a lease between King County and a nonprofit, a development agreement between the nonprofit and a developer, and a guaranteed maximum price with the contractor

Start of construction: March 17, 2005

Expected completion date: Dec. 5, 2005 (garage)
Spring 2007 (office)

Contractor: Turner Construction, 830 Fourth Ave. S., Suite 400, Seattle, WA 98134, (206) 505-6600

Architect: Zimmer Gunsul Frasca,
925 Fourth Ave., Suite 2400,
Seattle, WA 98101,
(206) 623-9414

Owner: Goat Hill Properties

Developer: Wright Runstad & Co.

Project participants:

Holmes Electric (design-build electrical engineer) — MacDonald-Miller (design-build mechanical engineer) — Magnusson Klemencic Associates (civil and structural engineer) — Walters & Wolf (design-build curtain wall consultant)

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