The four floors are identical, and the basement is all warehouse. The floor height is 12 ft. All of the floor area is heated and cooled except the warehouses. Exterior finish is composition, stone face. Interior finish for offices, cubicle areas, conference rooms, and labs is luxury panels and wooden/stone flooring. Interior finish for restrooms and kitchens is good quality tiles and granite. So, you may categorize interior finishes as heavy duty and attractive. Mechanical services are heavy duty. The level of fire hazard is ordinary. Electrical services are attractive, high quality. The lighting intensity for the office building is considered max light. All dimensions in Figure 1 show the net space (wall thickness is not included)