Mechanical — Addition and/or Alterations

**2021 IMC REVIEW** FOR THE INSTALLATION OF REGISTERS, DIFFUSERS, AND APPLIANCES WITH ASSOCIATED DUCTWORK. APPLIANCES TO BE INSTALLED IN ACCORDANCE WITH THE MANUFACTURER’S SPECIFICATIONS. ALL WORK TO BE DONE PER APPROVED PLANS. IF FIELD CONDITIONS VARY CONTACT DESIGN ENGINEER PRIOR TO THE START OF ANY WORK. SEPARATE PERMITS REQUIRED FOR ALL OTHER WORK. **SUBJECT TO THE FOLLOWING CONDITIONS OF APPROVAL FROM THE PHILADELPHIA HISTORICAL COMMISSION: New condenser unit to be placed in side alley, in same place as existing. No work to the front facade as part of this permit. No work to exterior windows and/or doors as part of this permit.