78-43 - Modification for Open Space Requirements in Large-scale Developments LAST AMENDED 2/2/2011 For all #large-scale residential developments# in R5, R6, R7, R8 or R9 Districts, or in #Commercial Districts# in which #residences# are governed by the #bulk# regulations of such #Residence Districts#, the City Planning Commission may modify the requirement for #open space# as set forth in the definition of #open space# in Section 12-10 (DEFINITIONS) by allowing parking space on the roofs of parking garages not #abutting# another #building# and not more than 23 feet in height above #curb level#, to count as #open space# and by not requiring connections from such roofs to ground level by exterior passageways or ramps, provided that the following findings are made: (a) that the total area occupied by driveways, private streets, or open #accessory# off-street parking spaces in all areas claimed as common or private #open space# throughout the #large-scale residential development# shall not exceed 40 percent of the total required #open space# for the #large-scale residential development#; and (b) that such arrangement and use of #open space# results in better site planning and community planning.