To make effective the provisions of this Charter, the assessment procedure outlined in State law concerning plans and specifications, estimate of costs, notice and hearing, the making of the assessment roll and correction of errors, the collection of special assessments, and any other matters concerning the making of improvements by the special assessment method which are not inconsistent with the provisions of this Charter are adopted into this Charter. All acts required in the cited State laws to be performed by a Board of Special Assessors shall be performed by the Assessor.