Yield Study for difficult 91-acre passed-over parcel. Even with considerable, variable topographic relief, 720 residences and Continuing Care Retirement Community planned effectively. Product mix includes: 12 33-unit/parking terrace homes; 11 six-unit villas (1/2 split flats); 20 11-unit/parking garden homes; 38 estate lots. 40% open space requirement exceeded with 36 acres of passive and active recreation areas and community club.