In the resolution of intention the legislative body shall refer the proposed improvement to the board, commission, or officer of the municipality having charge and control of the construction of public improvements of the kind described in the resolution, or to the city engineer, or to such other board or officer of the municipality, or competent person employed by the municipality for the purpose, as the legislative body may name in the resolution, and direct such board, commission, officer, or person to make and file with the clerk of the legislative body a report in writing.