Specifications include, but are not limited to: provide sweeping services for parking lots, ramps, taxiways, runways, and maintained roads ; commence activities as directed by the Airport Director or his designee. Sweeping Services will be scheduled once a month, Monday thru Friday, during normal business hours of 8:30 AM – 5:00 PM ; Sweeper truck with a vacuum system. The City recommends the debris hopper should have a capacity of 4.5 cubic yards or greater. ii. Each piece of equipment shall be equipped with an operational rotating or flashing amber beacon mounted on the highest point of the equipment. The beacon shall be activated at all times when the equipment is being operated on Airport property. ; The sweeper shall be equipped with an aircraft two-way radio in order to monitor and communicate with the Air Traffic Control Tower.