Authorizing and directing the revision of lines and grades on a portion of City Plan No. 308 by widening the cartway of Van Pelt Street between Chestnut Street and Sansom Street, by changing the east and west sidewalk lines of Van Pelt Street between Chestnut Street and Sansom Street and the grade of the westerly sidewalk of Van Pelt Street between Chestnut Street and Sansom Street and by creating a new public use private sidewalk on the west side of Van Pelt Street west of the west legal sidewalk between Chestnut Street and Sansom Street under certain terms and conditions. — Open Common Ground