Authorizing the Commissioner of Public Property, on behalf of the City, to acquire fee simple title or a lesser interest by purchase, condemnation or otherwise, in parcels of land generally in the area bounded by Susquehanna, Lambert, Norris, 22nd, Diamond and 21st Streets, and authorizing an agreement between the City and the Philadelphia Redevelopment Authority for the PRA to act as the City's condemnation agent, under certain terms and conditions. — Open Common Ground