October 9, 2024

Commercial Exterior Washington

Photo by Cooper Howard

With ceilings and deck heights as tall as 70 feet, Western Partitions performed structural metal framing, sheathing, insulation, and air/weather barrier scopes for the exterior of the entire project.

Washington State Convention Center Summit

Location: 900 Pine St., Seattle

Contractor: Western Partitions

Architect: LMN Architects

Team: Pacific Northwest Regional Council of Carpenters

This monumental project is in the heart of Seattle between Boren Avenue and 9th Avenue. This impressive, 11-story standalone addition to the existing Washington State Convention Center adds approximately 1.26 million square feet of conference halls, show rooms, ballrooms and retail space to the center.

Western Partitions is proud to have been part of a team with Clark/Lewis Joint Venture and LMN Architects. Supported by its suppliers and manufacturers, Western Partitions took on the tasks involved in the creation of the exterior metal framing of this complex and visually appealing project. With ceilings and deck heights as tall as 70 feet, Western Partitions performed structural metal framing, sheathing, insulation and air/weather barrier scopes for the project’s exterior.

The sheer size of the exterior walls, immense overhangs and massive ceilings on the project made its construction challenging and unique. The building has more than 20 overhangs, with one of the largest, at almost 5,000 square feet, being directly over a freeway off-ramp.

Its largest ceiling is more than 9,000 square feet and extends 15 feet over 9th Avenue. Western Partitions installed more than 609,000 pounds totaling more than 351,000 linear feet of steel. Covering much of that steel is over 280,000-square-feet of exterior gypsum sheathing, an amount equal to almost five football fields.

If the size and scope of the project were not enough, providing safe scaffolding and staging for the extreme heights presented a unique challenge. Western Partitions incorporated all methods of access for the work from 135-foot aerial boom lifts, multiple 40-foot swing stages, scissor lifts, Mast climber scaffolding and traditional scaffolding.

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