The City Engineer is named as the officer to ascertain the truth of any petition filed for any local improvement, and all resolutions or petitions initiating any local improvement shall be referred to the City Engineer and it shall be his duty to make all estimates, diagrams, plans and specifications and other data and submit same to the Council upon the hearing of any resolution and at such other times as may be required, and to supervise the work of all local improvements, and as soon as possible after the taking effect of any ordinance ordering any local improvement and after the cost and expense thereof can be determined, the City Engineer shall make out the assessment roll and certify same to the City Council, which assessment roll shall contain the description of each lot, tract or parcel of land or other property to be assessed, the amount to be charged, levied or assessed against same, and the name of the owner thereof, if known. [Code 1970 § 14.04.020; Code 1954 § 2-12.08.]