The Appeals Board shall, in harmony with the general purpose of this chapter and to secure the public health, safety and welfare, have the power to affirm, modify, or revoke any notice or order and may grant an extension of time for the performance of any act required by this chapter, or may grant a variance, except as otherwise excluded herein, where there is practical difficulty or undue hardship connected with the performance of such notice or order, and its decision shall be final.
(Ord. 04-1990, passed 3-5-90)