Site plan approval. Each person applying for a building permit or contemplating applying for a building permit to erect, construct, build, modify, add to, repair, demolish, move in or remove any building or structure in the civic center district shall first file with the planning commission plans, specifications, schematic drawings, and such other plans and drawings as may be required by the planning commission. These plans shall contain the following:
1. The location and use of all existing and proposed buildings and structures on the property;
2. The arrangement of all off-street parking and loading facilities;
3. A landscape plan indicating the extent, plant materials and location of all planted areas and water irrigation systems;
4. Location and size of all existing and proposed signs;
5. Any additional information that the planning commission considers necessary to reach a decision.