Specifications include, but are not limited to: A. Prior to beginning operations, a conference between representatives of the Department, the Maintenance contractor, and Local Law Enforcement shall be arranged by the Engineer in accordance with Specification Article VIII, 8.2 below. B. The maintenance contractor shall submit to the Engineer a list of supervisors who have authority and control over work crews and who will be present with each crew while work is performed. These supervisors shall be so identified to the Engineer and shall have authority to order equipment operators to correct deficient work or to stop mowing operations should unsafe conditions be encountered or if ordered by the Engineer to do so. All of Maintenance contractor’s supervisors shall be equipped with mobile telephones, shall carry active mobile telephones during operations, and shall provide the Engineer with all the supervisors’ current mobile phone numbers. C. Mowers shall be adjusted for a cutting height as set forth in Maintenance Specification Section 12, Item NS-MNT-05020 below. Mowing shall not be permitted when, in the opinion of the Engineer, soil and weather conditions are such that right-of-way property will be damaged. In addition, the Maintenance contractor will be required to provide specialized equipment such as boom or slope mowers to mow areas not accessible to standard mowing equipment. Maintenance contractors must use caution to assure that mud is not tracked onto the road surface. Recurring problems with mud tracking shall result in a five (5) percent reduction in payment for all appropriate mowing cycle. D. The Maintenance contractor shall mow as close as practicable to all fixed objects exercising extreme care not to damage trees, tree roots, plants, shrubs, delineators or other road appurtenances that are part of the facility. Hand trimming to remove vegetation around such objects shall be required of the Maintenance contractor. E. Stands of wild flowers shall not be mowed before their seeds have matured, unless otherwise directed by the Engineer.