Amending Section 4 of an Ordinance (Bill No. 990766) approved December 30, 1999, entitled "An Ordinance authorizing Filbert Street Associates, L.P. 150 North Broad street, Philadelphia, PA 19102-1424, owner of the property bounded by Twelfth street, Thirteenth street, Filbert street and Cuthbert street, to construct, own and maintain a bridge over Cuthbert street between Twelfth street and Thirteenth street, under certain terms and conditions;" by extending the time for compliance with the conditions stated therein. — Open Common Ground