Before a park or subdivision is approved, the applicant must submit a development plan to be reviewed by the planning and zoning commission. The plan must include lot layout, setbacks, density, spacing, access, screening walls or landscaping, open space, pedestrian ways, public or private streets, alleys, recreational facilities, and other development and protective requirements considered necessary to protect the health, safety, and general welfare, and to create a reasonable transition to and protection from property adjacent to a mobile home park or recreational vehicle park.