This chapter shall not be construed to repeal any special or local law or to affect any proceedings under such law for the making of improvements authorized in this chapter or for raising the funds therefor but shall be deemed to be additional and independent legislation for such purposes, to provide an alternative method of procedure for such purposes, and to be a complete law not subject to any limitations or restrictions contained in any other public or private law or laws except as otherwise provided in this chapter.
Georgia Legal Code