The general intent of this chapter is to provide for all necessary and indispensable powers and procedures reasonably needed to mitigate, prepare for, respond to and recover from emergency conditions. To this end, all powers, both ministerial and discretionary, as conferred herein shall be liberally construed to supplement and augment, not to limit, any other powers or reasonable exercise of discretion which may ordinarily pertain to County officers, employees, departments, and agencies. [Ord. 5-25-06A § 2(B).]