Nothing in this article shall be construed to violate any provisions of the federal or state constitutions, and all acts done under this article shall be done in such manner as will conform thereto, whether herein expressly provided or not. Where any procedure hereunder may be held by any court to be violative of either of such constitutions, the district shall have the power by resolution to provide any alternative procedure conformable with such constitutions. If any provisions of this article shall be invalid, such fact shall not affect the creation of the district or the validity of any other provision of this article.