Amending Section 2 of an Ordinance (Bill No. 980709) approved December 30, 1998, entitled "An Ordinance authorizing the revision of lines and grades on a portion of City Plan No. 46-S in the area of Geary street and Twentieth street by placing on the City Plan Geary street from Twentieth street to Davinci drive and Justinian circle from Davinci drive westward, all under certain terms and conditions including the dedication to the City, free and clear of all encumbrances, of the beds of Geary street, Davinci drive and Justinian circle, under certain terms and conditions," by extending the perio — Open Common Ground