(a) The city council shall adopt a capital expansion plan for each such trust account established in this division. Such plans shall be reviewed annually during the budget review process.

(b) The impact fees imposed hereby shall be reviewed biannually. At such time the city council shall analyze the projected construction within the city, the cost of any new or expanded capital facilities and equipment of parks and recreation, library, general government, and fire and rescue services which shall be generated by that construction, and the funds otherwise available to finance those costs.