181.06 ALTERATION OR MODIFICATION OF CONTRACTS.
   (a)    Except when otherwise provided in the ordinance authorizing the contract, in addition to the requirements set out in Ohio R.C. 735.07:
      (1)    No contract shall be altered or modified to require additional payment in an amount exceeding in the aggregate ten percent (10%) of the total original contract price or ten thousand dollars ($10,000), or the maximum provided in the ordinance authorizing the contract, whichever is greater, without the approval of City Council; and
      (2)    No contract to provide goods or services for a specific term of months or years shall be altered or modified to extend the term of said contract in excess of six months without the approval of City Council.
 
   (b)    No contractor may recover anything for work or material because of any alteration or modification unless the alteration or modification is made in accordance with the requirements set out herein provided, however, that in the case of an emergency the Board of Control may authorize additional work in excess of the limits herein which shall be presented to Council for ratification as soon as practicable.