To establish an indefinite quantity, firm fixed price contract to be used as the primary source for the commodity (ies)/services(s) listed in the attached specifications. Commodities/services will be ordered from time to time in such quantity as may be needed to fill any requirements of the City of Atlanta as shown in the bid invitation. As it is impossible to determine the precise quantities that may be needed during the contract period, the contractor is obligated to deliver in minimum/maximum quantities the commodities or services of the kind contracted for in accordance with the specific conditions of this bid.