AN ORDINANCE TO AMEND CHAPTER 99, ARTICLES I AND III, SECTIONS 99-5 “DEFINITIONS”, 99-21, “PUBLIC SITES AND OPEN SPACES” AND CHAPTER 115, ARTICLES I & V, §115-4 “DEFINITIONS AND WORD USAGE” AND §115-25  “HEIGHT, AREA AND BULK REQUIREMENTS” OF THE CODE OF SUSSEX COUNTY REGARDING OPEN SPACE