City of Chicago will be requiring all elevator single bottom bulk head cylinders replaced by 1/1/13. This mandate date was maintained by the City of Chicago Building Department.

City of Chicago will be requiring all elevator single bottom bulk head cylinders replaced by 1/1/13. This mandate date was maintained by the City of Chicago Building Department.

January 14th – 2013 – City of Chicago will be requiring all elevator single bottom bulk head cylinders replaced by 1/1/13. This mandate date was maintained by the City of Chicago Building Department.

2016-12-19T18:21:43+00:00
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