N.G. JACOBSON & ASSOCIATES, INC.
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N.G. JACOBSON & ASSOCIATES, INC. |
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CENTURY TOWER REHABILITATION
SEATTLE, WASHINGTON
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Located in downtown Seattle, Century Tower is an 8-story reinforced concrete building with a masonry facade that was constructed in 1918. NGJ was initially retained following the February 2001 Nisqually Earthquake to perform a Structural Condition Assessment and Earthquake Damage Review of the building. Issues identified in our review included: |
Significant new exterior wall cracking.
Masonry parapet wall damage and deterioration.
Corrosion related concrete distress on the exterior walls from a combination of carbonation and chlorides.
Poorly consolidated concrete with numerous weakened cold joints.Weakened and deteriorated concrete areas in the North exterior wall.
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Services Provided: |
Earthquake damage assessment and seismic performance review.
Exterior concrete wall and masonry facade condition survey.
Roof level concrete repairs and masonry parapet replacement design.
East wall concrete repairs and coating protection design.
Building envelope waterproofing and masonry facade repairs North wall shotcrete repair design.
