Multiple contractors attempting to clean the manholes and underfloor drainage system of the Sault Ste. Marie (Mich.) Poe Lock in early 2013 were thwarted by ice clogging hoses and vacuum lines. The work, scheduled from Jan. 15 through March 25 when the locks are closed for...
Michigan Contractor Cleans Poe Lock Manholes and Drainage System
Michigan contractor battles ice and bitter cold while cleaning the Poe Lock manholes and underfloor drainage system.
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