Providing for the submission to the qualified electors of the City of Philadelphia of the proposal set forth in a Resolution approved by Council proposing amendment of the Philadelphia Home Rule Charter relating to the date by which the Mayor must submit to Council his operating budget message, proposed operating budget ordinance, and proposed capital budget and capital program, and the date by which the Planning Commission must prepare and submit to the Mayor its recommended capital budget and capital program; fixing the date of a special election for such purpose; prescribing the form of bal — Open Common Ground