Authorizing the revision of lines and grades on a portion of City Plan No. 258 by relocating the southeasterly houseline of Tacony Street, from a point approximately one-thousand seven-hundred fifty-seven feet northeast of Bridge Street to a point approximately six-hundred seventy-four feet further northeastwardly therefrom, a variable distance southeastwardly and relocating the southeasterly curbline of Tacony Street, from a point approximately one-thousand five-hundred forty-two feet northeast of Bridge Street to a point approximately nine-hundred ninety-two feet further northeastwardly ther — Open Common Ground