Chapter 14.49F SDP-6 - OLDE IVY SPECIFIC DEVELOPMENT PLAN OVERLAY ZONE This chapter is included in your selections. Sections: 14.49F.010 Purpose and Objectives. 14.49F.020 Use in Combination with Underlying Zones. 14.49F.030 Underlying Zone Boundaries. 14.49F.040 Variations to Underlying Zones. 14.49F.050 Project Design and Development Standards. 14.49F.060 Other Requirements.