In many cases, the load factor per floor may be further adjusted for additional areas in the building. For example, a large office building may contain an “oversized” and elaborate lobby and may have other common areas (rooftop observations, etc.). In our example, if we assume that the 200,000 rentable square feet is distributed evenly over 10 floors (square building), and the first floor is a lobby and common area containing 20,000 square feet, then an owner may attempt to prorate this lobby common area among