A building or premises may be used for any purpose not in conflict with any ordinance of the City regulating nuisances.  However, no building shall be erected, reconstructed or structurally altered for residential purposes, except for resident watchmen and caretakers employed on the premises, and no building or occupancy permit shall be issued for any of the following uses until and unless the location of the use shall have been approved by Council, after report by the Planning Commission and the Fire Chief.
   (a)   Any use permitted in the M-1 Light Industrial District;
   (b)   Carpet Manufacturing; or
   (c)   Regional recycling center.
   (2004 Code)