Reminder to all building owners in the City of Chicago that buildings predate 1972, all single bottom hydraulic elevator cylinders need to be replaced prior to 1/1/13 per City of Chicago’s mandate.
June 28th – 2012 – Reminder to all building owners in the City of Chicago that buildings predate 1972, all single bottom hydraulic elevator cylinders need to be replaced prior to 1/1/13 per City of Chicago's mandate.
