Sections 10.929 to 10.933 establish procedural requirements for development on Slopes in excess of fifteen percent (15%) to decrease soil erosion and protect public safety. Sections 10.929 to 10.933 apply in addition to all other requirements set forth by ordinance. In the case of conflict between Sections 10.929 to 10.933 and other requirements set forth by ordinance, Sections 10.929 to 10.933 shall govern.