In the event the subdivider shall fail to complete all improvement work in accordance with the provisions of this chapter and the city shall have completed same, or if the subdivider shall fail to reimburse the city for the cost of inspection, engineering, and incidental expenses, and to cover cost of replacement and repair of existing streets or other improvements damaged in the development of the subdivision, the city shall call on the surety for reimbursement, or shall appropriate from any cash deposits funds for reimbursement. In any such case, if the amount of surety bond or cash deposit shall exceed all cost and expense incurred by the city, it shall release the remainder of such bond or cash deposit, and if the amount of the surety bond or cash deposit shall be less than the cost and expense incurred by the city, the subdivider shall be liable to the city for such difference. (Ord. 89 § 4.7(part), 1955).