The City of Tucson has entered into a service agreement with United Fire Equipment Company for the provision of new fire extinguishers and associated equipment. The contract includes a five-year manufacturer's warranty and requires the fire extinguishers to be UL listed and have a brass or aluminum valve. The contractor is responsible for providing insurance coverage, including commercial general liability, commercial automobile liability, and workers' compensation. The contract has a term of four years, with the option to renew for an additional term. The City of Tucson will pay the contractor based on the terms of the contract, and the contractor is required to provide itemized invoices for the services rendered.