In order to provide an equitable cost sharing method for the improvement of fire hydrants and water supply mains in areas not presently having adequate fire-flows through existing systems, owners of property desiring to construct new structures, or modify existing structures, in such a manner as to increase the fire flow demand as defined herein, and who do not otherwise provide adequate improvements to existing water system to insure that fire-flow demands will be met, shall pay, as their share of providing said improvements, a fee equivalent to the fire-flow demand, as determined by Insurance Service Office (I.S.O.) standards, multiplied by the factor set forth following (fire flow X factor = fee):

The above factors shall be effective September 1, 1983. From time to time the factors may be changed by Resolution of the City Council.