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All edging shall be performed with the use of a McClain's edger or approved substitute. Stick edgers are not allowed. Contractor shall edge all turf adjacent to all improved hard surfaces such as concrete, decomposed granite, asphalted concrete paved areas. Edging/detailing shall be performed at the same time mowing occurs. Chemical detailing of turf may occur with the Director's approval. If chemical detailing is performed, the Contractor shall use the string trimmer to remove the treated turf within one (1) week after symptoms of phytotoxicity become recognizable. (1) The Contractor shall use the McClain's edger to edge straight lines along fences, walls, or long flowing arcs. The Director's Representative may require the Contractor to use string lines to edge straight lines if the Contractor's staff fails to achieve this quality without this method. (2) The Contractor shall detail around trees, along walls /fences and other park amenities first using a sharpened shovel cut to establish a concentric round circle around trees, poles, etc. Once the initial detailed circle is established a string trimmer may be used to maintain the circle. Should the circle begin to deform the Director shall direct the Contractor to repeat the detail process. (3) The Contractor shall detail turf not greater than 10" away from walls or fences. Detail lines shall be made straight and shall be maintained straight. The Contractor shall, at his own cost, supply top soil and an approved turf seed to reduce any existing bare soil areas along walls /fences that are greater than 10 ". c) Fertilization (1) Casual Turf - Contractor shall apply fertilizer three (3) times per year at a rate specified in the City's Agronomic Plan (see Attachment 3) with Nitra King 19-4 -4 during fall - winter and Lesco 39 -0 -0 during spring - summer months. (2) Sport Turf/Priority - Contractor shall apply fertilizer six (6) times per year per the City's Agronomic Plan" (see Attachment 3) using a complete or approved fertilizer. The rate of application shall be at a rate specified in the City's Agronomic Plan. The Director may request proof of fertilizer application in the form of empty fertilizer bags. d) Irrigation -all turf (1) Contractor shall ensure irrigation schedules are constantly monitored to provide adequate moisture in the soil for healthy turf, and avoid excess wet conditions. (2) Contractor shall not schedule irrigation of sports fields at least 24 hours prior to the mowing process. During cooler periods of the year avoid 15