Eligible projects shall be classified according to the type of work proposed. Projects classified under the following types of work will receive priority: Projects to renovate or replace senior centers in order to make life safety corrections; Projects to renovate or open senior centers in areas of high concentration of low-income, frail, or minority elderly citizens; Projects to renovate obsolete buildings that have been in use for more than 40 years; Projects to renovate senior centers that have been in use for more than 25 years; and Projects which have not previously received grants under this program. The Office shall consider the total unallocated State funds available at the time applications are submitted in determining priority of projects. The Office shall also consider the following criteria in regards to grants for senior centers: The conformity of the senior center with Statewide objectives for elderly citizen activities centers; The practical and economic feasibilities of the proposed work; The physical environment, location, demographic characteristics, and transportation accessibility of the proposed senior center; and The availability of operating funds for the proposed senior center.