Authorizing the Council of the City of Philadelphia to hold hearings on the use and occupancy of 2100 W. Girard Avenue by the City of Philadelphia and it's contractors and in furtherance of such investigation, authorizing the issuance of subpoenas to compel the attendance of Parker Administration officials including the Mayor, and other such witnesses and the production of documents to the full extent authorized under Section 2-401 of the Home Rule Charter.