107-661 - Modification of permitted obstructions LAST AMENDED 2/2/2011 For #developments# containing #residences# on #zoning lots# partly within #designated open space#, the City Planning Commission, on application, may modify the requirements of Section 107-45 (Required Open Space for Residences) to permit more than 50 percent of the required #open space#, not within the #designated open space#, to be occupied by driveways, private streets, open #accessory# off-street parking spaces or open #accessory# off-street loading berths, if the Commission finds that such facilities are so arranged and landscaped as to afford an acceptable standard of amenity for the #development# and its surroundings.