Specifications include, but are not limited to: Lawn and Grounds Services include mowing, edging, foliage removal, trimming, parking areas, and access roads. Lawn and grounds shall be kept clean and free of debris at all times. The term "LAWN AND GROUNDS" includes, but is not limited to, plant beds, individual trees and shrubs, lawns, drives, walkways, parking, graveled, and undeveloped areas within the NCDOT sites. The Vendor shall pursue the work diligently with workers in sufficient numbers, abilities, and supervision, and with equipment, materials, and methods of maintenance as may be required to complete the work herein described. Vendor shall provide all necessary equipment and materials for the maintenance of these areas. The required maintenance shall not be less than specified; however, the Vendor is responsible for maintaining conditions as specified herein.