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Olympic Consulting Services (OCS), a wholly owned subsidiary of Olympic Associates Company, is providing building
envelope design services for the redeveloped Cobb Building, to be occupied Fall 2006. The original building envelope
construction has performed well. The renovation will include tie-in to a new building core and the addition of terraces on the second and eleventh floors. Existing wood windows will be restored and/or replaced. Wall cross-sections and existing finishes will remain the same. Waterproofing will utilize vintage-style details and copper flashings. Some materials will be reused and others will require replacement. The new waterproofing schemes are being designed to fit into the existing architecture, maintaining its aesthetic appeal, while performing well. The roof will be waterproofed and tie old structures to new structures, including the 11th floor terrace and a new penthouse, which will be waterproofed using copper flashings. Design considerations include waterproofing details at seismic expansion joints. OAC is working with GGLO to coordinate design elements. The project is being constructed under a negotiated contract, where general contractor Lease Crutcher Lewis is involved with the design team and providing preconstruction services. |
Location: Seattle, Washington |