08092022 - Professional Engineering Design Services-City Hall Retaining Wall Project

Mt. Pleasant City Hall was formerly the historic Borden Creamery building. Two
historic concrete retaining walls, 6’-12’ height, are located on the south side of
the building along the sidewalk on the north side of Broadway Street. These
walls were underpinned and refurbished in 2008 when the building was
remodeled and converted into the current city hall. The wall skim coat is
cracking, and spalling and settlement is occurring in areas behind the wall (refer
to attached retaining wall report). There is an existing 2’-4’ high concrete
retaining wall, located west of the historic walls, which supports the Broadway
Street sidewalk. The wall is displacing causing settlement of the adjacent public
sidewalk.