Enacting a new Chapter 9-2300 of the Philadelphia Code entitled "Protection of Displaced Contract Workers", and amending Section 19-2602, entitled "Licenses" to require that all contractors awarded contracts for the performance of food and beverage, hotel service, health care, janitorial or building maintenance services within the City of Philadelphia retain certain non-supervisory employees of the previous contractor for a 90-day transition employment period during which period retained employees may not be terminated except for cause, and to require that said employees be provided with vario — Open Common Ground