Specifications include, but are not limited to: (a) Each vehicle operator shall have a valid Nevada Commercial Driver’s License with endorsements and restrictions as needed based on the type of vehicle, as well as any other licenses required by applicable local, State, and Federal laws and regulations. ; (e) Each vehicle operator shall be neat and clean in appearance, and shall wear a regulation uniform and identification badge at all times while performing the Service. (f) Adequate numbers of fully-qualified vehicle operators shall be available as back-up operators during all operating hours to ensure consistent and reliable service. (g) Vehicle operators shall be trained in, and be cognizant of, all operational procedures relating to the Service, including but not limited to a thorough knowledge of the service area and street network