Plumbing — New Construction or Additions

ALTERATIONS AND AN ADDITION TO EXISTING BUILDING. INTERIOR INSTALLATION OF DRAINAGE, WASTE, VENT, AND WATER SUPPLY FOR LISTED FIXTURES. ALL MATERIALS SHALL BE METALLIC TO ROOF EXTENSION FOR PIPING SERVING FIXTURES IN COMMERCIAL SPACE. VENTING TO BE DESIGNED AND INSTALLED IN ACCORDANCE WITH SECTION 919 PHILADELPHIA SINGLE STACK VENT SYSTEM. ALL WORK TO BE INSTALLED IN STRICT COMPLIANCE WITH 2021 PPC AND APPROVED PLANS