§ 31.031 POWERS AND DUTIES.
   In addition to the powers and duties set out in the Home Rule Charter as set out in this code of ordinances, the powers and duties of the Council include, but are not limited to the following.
   (A)   Fiscal authority. The Council shall apportion and appropriate all funds, and audit and allow all bills, accounts, payrolls and claims and order payment thereof. It shall make all assessments for the cost of street improvements, sidewalks, sewers and other work, improvement or repairs which may be specially assessed.
(Iowa Code §§ 364.2(1), 384.16, 384.38(1))
   (B)   Public improvements. The Council shall make all orders for the doing of work, or the making or construction of any improvements, bridges or buildings.
(Iowa Code § 364.2(1))
   (C)   Contracts. The Council shall make or authorize the making of all contracts. No contract shall bind or be obligatory upon the city unless adopted by resolution of the Council.
(Iowa Code § 384.100)
(1999 Code, § 17.02)