Whenever the board determines that it is necessary for the general welfare of the persons residing within the district and that it will be of public utility and benefit to the property in the district to undertake and carry out any project of construction, reconstruction, or operation upon thoroughfares within the district, it shall adopt a resolution of the necessity of the project and the purpose of the department to proceed with it. The board, as a part of the resolution, shall adopt the plans and specifications proposed for the entire project, and shall determine the estimated cost of all work and all acquisitions necessary to carry out the project.
IC 36-9-6.5-4