The powers conferred by this chapter shall be in addition to, and not in substitution for, the powers conferred by any other general, special or local law. The powers conferred by this chapter may be exercised notwithstanding that any other general, special or local law may confer such powers, and without regard to the requirements, restrictions, limitations or other provisions contained in such other general, special or local law.

9 Del. C. 1953, § ?4660; 56 Del. Laws, c. 103, § ?13;