Taft Building Seismic Retrofit

Taft Building Seismic Retrofit

Morley provided general contracting and concrete services for the seismic retrofit of this historic cast-in-place concrete building, originally constructed in 1923. Scope included the demolition of 3,000 sf of existing 5-inch thick basement slab, excavation of 400 cy of native soil and 150 cy of over-excavation at existing fill soils. Morley installed new 42 – 48 inch deep grade beam foundations and 14 – 20 inch thick concrete (shotcrete) shear walls from the new foundations in the basement up to the roof line at the 12th floor.


The building remained occupied during construction and after hours work was performed to minimize impacts to the tenants of the occupied floors.

Project Size:

111,000 gsf


Taft Building LLC c/o Clarett West Development


Killefer Flammang Architects

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