Cellars may be constructed in floodable areas below the base flood elevation when:

    1. The lowest opening where water may enter is located above the base flood elevation;

    2. The space is not habitable except for emergencies such as a tornado;

    3. The space is intended for use as readily removable storage;

    4. The structure is constructed to resist hydrodynamic, hydrstatic and buoyancy forces;

    5. The space does not contain a furnace, water heater or major appliance;

    6. There are no plumbing connections to a sewer, and

    7. There is no electrical wiring below the base flood elevation. (Ord. S-36983, 1978).