Employment campus master plan. Following conceptual plan review, the developer submits a detailed preliminary plan for review. The plan will show the layout of the property with respect to the topography, orientation with relation to other properties, preservation of natural topographic features (e.g., trees, watercourses, wetlands, steep slopes), access points, internal roads where applicable, location of public utilities, including stormwater management and other public works improvements, grading plan and, where applicable, the proposed lotting arrangement, access points and site layout for each lot. A landscaping plan shall be included, incorporating, if applicable, any common open spaces. Where applicable, a phasing plan shall be indicated on the plan. The Commission shall approve, approve with conditions or disapprove the detailed preliminary plan which shall constitute the employment campus master plan.