The City Manager shall be responsible for purchases made by the City and shall obtain formal sealed bids in all transactions, except those involving the employment of professional services, involving the expenditure of $10,000 or more. Any such transaction, evidenced by written contract or purchase order, shall be submitted to the Council for its approval. The Council may accept or reject any and all bids. The amount of $10,000 may be adjusted periodically to reflect changes in the Consumer Price Index as stated by the U.S. Government. In the event of an emergency, the Council may temporarily suspend one or more provisions of this section. In declaring an emergency under this section, the Council shall:
(a) Define the emergency.
(b) State the anticipated term of the emergency that shall not exceed 120 days
(c) Approve the suspension by the affirmative vote of not less than four Council members.