It is the purpose of this chapter to replace and supersede all the provisions of AS 29.46.030 through 29.46.100 except AS 29.46.080(c); provided, all privileges, protections, immunity, presumptions and authorizations set out in AS 29.46 are retained and shall apply to the city and its special assessment district proceedings. The city retains all rights not inconsistent with this chapter. (Prior code § 2.60.180)