1. After a special improvement district has been created, the governing body of a municipality, if the governing body deems it necessary to make any of the improvements set out in section 40-22-01 in the manner provided in this chapter, shall direct the engineer for the municipality, or some other competent engineer if the municipality does not have a competent municipal engineer, to prepare a report as to the general nature, purpose, and feasibility of the proposed improvement and an estimate of the probable cost of the improvement, including: a. A separate statement of the estimated cost of the work for which proposals must be advertised under section 40-22-19; and b. A separate statement of all other items of estimated cost not included under subsection 1 which are anticipated to be included in the cost of the improvement under sections 40-23-05 and 40-23.1-04. 2. An engineer's report under this section also must include information describing how the special assessment district was created including any considerations as to which properties are determined to receive a benefit from the proposed improvement.
40-22-11. Approval of plans, specifications, and estimates - Approval establishes grade of street. At any time after receiving the engineer's report required by section 40-22-10, the governing body may direct the engineer to prepare detailed plans and specifications for construction of the improvement. The plans and specifications shall be approved by a resolution of the governing body of the municipality. If the plans and specifications include the establishment of the grade of a street and such grade has not been established previously by ordinance, the resolution approving the plans, specifications, and estimates shall constitute an establishment of the grade.
40-22-12. Requirements of plans, specifications, and estimates when improvement is paving or beautification of streets. If an improvement to be financed by special assessments consists in paving or repaving any street, alley, or public place, the governing body of the municipality may require the plans, specifications, and estimates for the improvement to be made for one kind of pavement or several different kinds of pavement as it may deem advisable. If the contemplated improvement consists of planting trees, constructing grass plots, sowing grass seed thereon, or otherwise parking or beautifying any of the streets, highways, avenues, alleys, lanes, or other public grounds within the municipal limits, the governing body may require the plans, specifications, and estimates to show the probable costs of making, constructing, or maintaining such improvements or any of them.
40-22-13. Municipal engineer to retain copy of plans, specifications, and estimates - Sale of copies. The engineer acting for the municipality shall retain a copy of the plans, specifications, and estimates which have been prepared for any improvement on file in the engineer's office. The engineer shall furnish to any person applying therefor copies of the same, and, if the engineer is an officer of the municipality, the engineer may charge one dollar an hour for the time necessarily employed in making such copies.