2.3.5.1. Analysis of Highest and Best Use.The appraiser shall state and explain the highest and best use of both the remainder land (as if vacant) and the remainder property (as improved). Impacts of the acquisition on the property’s highest and best use or the intensity of that use shall be specifically addressed and described. If restoration or rehabilitation of the remainder property will be required before it can be put to its highest and best use, the physical and economic feasibility of such restoration or rehabilitation shall be explained and justified. Major restoration or rehabilitation may require the services of an expert in the field, such as an architect, engineer, and/or contractor.140 If the acquisition includes a temporary construction easement, or other temporary property interest, the effect of such temporary acquisition on the remainder property’s highest and best use must be discussed.141