Specifications include, but are not limited to: Proposer shall ensure All Dedicated Units shall be no more than three (3) years old, and the vehicles and their maintenance logs shall be readily available for inspection, without prior notice. All Dedicated Unit’s Shall be marked “City of Waltham” and the Medic Unit Number. Any additional vehicles assigned to the City shall meet the requirements of all Mass General laws pertaining to vehicles of emergency medical service. Proposer shall maintain and keep all the ambulances required by this agreement in good mechanical and operating condition. The vehicles must be inspected every ninety (90) days by a certified automobile mechanic to ensure that they are in proper mechanical condition and comply with all applicable safety regulations. Records of maintenance shall be furnished to the City upon request.