For alterations at an existing structure to include new exterior rear stair installation at basement and 2nd flr level, and new front exterior wall coverings to be provided for an assembly occupancy with accessory storage at the 2nd story with existing breach in party wall. (iebc 2009, compliance path: change in occupancy classification, higher lvl) separate permits required for any electrical, mechanical, plumbing, and fire suppression system installations. [see plans under ap#688152 and associated lawful occupancy posting.]