Specifications include, but are not limited to: A. The Contractor’s Equipment shall be available seven (7) days a week, twenty four (24) hours a day. Calvert County Government reserves the right to discontinue using any unit of Equipment at any time as field conditions require. Calvert County Government shall be the sole judge as to whether the units are performing satisfactorily. B. The Contractor shall establish communications with Calvert County Government for the duration of this Contract. The Contractor shall provide a home/office/cellular phone number or answering service where Calvert County Government can contact or leave a message seven (7) days a week, twenty four hours (24) a day. C. The Contractor shall be responsible for having and maintaining all safety equipment as required including but not limited to working lights, horns, heaters, wipers, and defrosters. The Contractor shall furnish and maintain all exterior lighting systems including overhead emergency amber rotating or strobe lighting connected with this Contract. The emergency lighting shall have 360° visibility at all times. The Contractor shall provide one-ton trucks, pick-up trucks, and other equipment with operators (hereinafter, “Equipment”), equipped at the Contractor’s expense,