The budget officer, with the assistance of the finance director, shall prepare estimates in cooperation with the appropriate department heads. Each department head shall be heard by the budget officer before making final estimates, but the budget officer may revise any department's estimates as the officer deems advisable for the purpose of presenting the budget to the city council. The city council may require each department head to submit a supplementary estimate of all capital projects which the department head believes should be undertaken within the next three (3) succeeding fiscal years. (Ord. 2012-30, 10-2-2012)