Mechanical — Addition and/or Alterations

**2021 IMC REVIEW** FOR THE INSTALLATION OF APPLIANCES WITH ASSOCIATED DUCTWORK. APPLIANCES TO BE INSTALLED IN ACCORDANCE WITH 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. *NO REGISTERS, DIFFUSERS ON THIS PERMIT. **NO PARENT PERMIT - NO BUILDING ALTERATIONS PERMITTED FOR THIS WORK WITHOUT A BUILDING PERMIT** **SUBJECT TO THE FOLLOWING CONDITION OF APPROVAL FROM THE PHILADELPHIA HISTORICAL COMMISSION: No exterior work permitted as part of this permit.