Amending Section 2 of an Ordinance (Bill No. 990754) approved December 24, 1999, entitled "An Ordinance authorizing the revision of lines and grades on a portion of City Plan No. 246 by striking from the City Plan and vacating Forty-second street from Woodland avenue to Forty-third street; striking from the City Plan and vacating Forty-third street from Woodland avenue to Forty-second street, and by reserving and placing on the City Plan certain rights-of-way for drainage purposes, water main purposes, and gas main purposes, under certain terms and conditions," by extending the period for comp — Open Common Ground