The contract is for generator maintenance services, and the City of Tempe is seeking a vendor to provide these services. The contract has a term of 6 years, with options for renewal. The vendor is required to provide maintenance services, including scheduled maintenance and repairs, and to ensure that all work is performed in accordance with the City's standards and specifications. The contract also includes provisions for payment, invoicing, and dispute resolution. Key factors in the evaluation of proposals include the vendor's experience and qualifications, the quality of their proposal, and their price.