The Contractor’s activity on the airfield shall be limited to the limits of construction as identified on the construction activity plan drawings. Beyond the limits of construction, the Contractor shall not have access to any part of the active airfield pavement with any equipment or personnel without the approval of Airport Management. The Contractor shall consult with the Airport Manager in arranging his construction operations. The Airport Manager will at all times have jurisdiction over the safety of air traffic during construction. Wherever the safety of air traffic during construction is affected, his decisions as to methods, procedures and measures used shall be final, and any and all Contractors performing work must be governed by said decisions. The Contractor shall keep all haul roads utilized by his operations clean. All haul roads shall remain clear and unobstructed for use by Airport vehicles. The Contractor shall maintain these areas as required or as directed by the Airport Manager. Should the Contractor fail to respond to the Airport Manager's notification, the Division may suspend work until such time as the unsatisfactory condition is corrected. The Airport Manager shall retain the authority to change the phasing of the work and/or the sequence of construction. The Contractor shall not have access to any part of the active airfield (runway, taxiway or apron) for all equipment or personnel without the approval of the Resident Engineer.