The following areas shall be cut every 10 - 14 days for a total of approximately twenty (20) cuts between April through November or as directed by the Contract Administrator. The grass cutting and edging is to be performed within (and around the perimeter of) the entire city block that is bordered on the north by Hunting Park Ave., the south by Lycoming St., east by "O" St. and west by Castor Ave. This includes the Air Management Laboratory property at the southwest corner of Castor Ave. and Lycoming St. Excluded are the planter boxes, located along E. Hunting Park Ave. Edging is to be done on perimeter sidewalks and inside walkways and are to be included and completed with each grass cutting. The total edgings are approximately 4,200 linear feet. The total area to cut is approximately 136,996 Sq. Ft. This area includes: Central Lab -- 110,000 Sq. Ft. Air Management Lab Area -- 10,025 Sq. Ft. Area Outside from Fence -- 16,971 Sq. Ft. Turf will be maintained at a height of two and one half inches in warm weather and two (2) inches in cool weather. Mowing needs will be dictated by rapidity of turf growth. In general, mowing schedule shall be in accordance with the designated Contract Administrator. Clippings need not be removed from turf areas unless they are clumped and appear unsightly. However, clippings and debris will be promptly removed from paved areas. Discharge of grass clippings into roadways, footpaths and onto vehicles is prohibited. As part of the mowing task, all obstructions in the turf area will be trimmed neatly and carefully. Mower damage to trees will be closely monitored. Sufficient damage, as determined by City representatives, will be cause for the contractor to replace affected trees. The landscape and hard surfaces, including walkways, will be kept litter and trash free at all times. Trash around wastebaskets and on the turf areas will be removed by the vendor prior to mowing. At no time will City staff accept the mowing of litter. All debris (organic and inorganic) will be removed as needed and disposed of in a proper manner by the contractor. Trash and debris shall not be deposited in City wastebaskets. City staff will be responsible for removal and emptying of wastebaskets. The intention is to maintain the entire landscape in a neat and tidy manner. Proper disposal of debris is the responsibility of the contractor.