Chapter 27.29 RESIDENTIAL OVERLAY DISTRICT—MIXED USE 27.29.100 PURPOSE. 27.29.102 LANDS SUBJECT TO RESIDENTIAL OVERLAY CLASSIFICATION. 27.29.103 R6-D STANDARDS. 27.29.104 CONDITIONS OF USE. 27.29.106 DENSITY. 27.29.108 MAXIMUM COVERAGE OF PARCELS. 27.29.110 MAXIMUM FLOOR AREA RATIO. 27.29.112 MAXIMUM HEIGHT AND BULK. 27.29.114 USEABLE OPEN SPACE REQUIREMENTS. 27.29.116 SETBACKS AND YARDS. 27.29.118 THIRD AND FOURTH AVENUE SETBACK REQUIREMENTS.