Fire Suppression — Addition and/or Alterations

FOR THE INSTALLATION OF 91 NEW PENDENT SPRINKLERS AND 4-INCH WILKINS 350 AST BACKFLOW PREVENTOR TO AN EXISTING FIRE SUPPRESSION SYSTEM COMPLYING WITH NFPA 13 THROUGHOUT THE BUILDING SERVICED BY AN EXISTING 3-INCH FIRE-SERVICE LINE AS PER APPROVED PLANS. ALL WORK SHALL BE PERFORMED BY A FIRE SUPPRESSION CONTRACTOR LICENSED BY THE CITY OF PHILADELPHIA. ALL WORK SHALL BE DONE IN ACCORDANCE WITH APPROVED PLANS/HYDRAULIC CALCULATIONS.