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1 <br /> DRAFT City/District 4 -J Park Maintenance Standards <br /> MODE II -YSP <br /> July 30, 1999 <br /> The following standards are based on the park maintenance standards published by the National <br /> Recreation and Park Association (NRPA), Mode II: High level maintenance - associated with well <br /> developed park areas with reasonably high visitation. As allowed for by the NRPA's standards, some <br /> adjustments have been made to better fit local conditions and situations. The Mode II -YSP standards, <br /> below, will apply only to the identified Youth Sports Parks. <br /> Turf care - Youth sports parks will contain two types of turf areas: sports turf, defined as the grass <br /> playing surface of designated sports fields, and park turf, irrigated turfgrass outside the <br /> boundaries of sports fields. These two types of areas will be maintained to different <br /> standards: <br /> Sports turf - Mowed a minimum of and once every five working days. Aeration as required, but not <br /> less than two times per year. Over - seeding practiced to maintain turf stand and vigor, <br /> based on sport and level of play. Re- seeding or sodding when bare spots appear. Top- <br /> dressing as required to maintain adequate playing surface. Weed control and/or spot <br /> renovation practiced when weeds present visible problem, interfere with play, or when <br /> weeds represent 5% of the sports turf surface of any field(s), as a goal, but no more than <br /> 10% in any case. <br /> Park Turf - Mowed once every five working days. Aeration as required, typically to relieve visible <br /> turf stress due to soil compaction. Over - seeding may be practiced to re- invigorate weak <br /> or thin turf stands. Re- seeding or sodding when bare spots appear. Weed control and/or <br /> spot renovation practiced when 50% of identifiable small area is weed infested or when <br /> weeds represent 25% of park turf surface. <br /> Fertilizer - Adequate fertilizer level to insure that all park turf and landscape plant materials are <br /> healthy and growing vigorously. Amounts depend on species, length of growing season, <br /> soils, and rainfall. Rates should correspond to the recommendations or the Oregon State <br /> university Department of Horticulture and/or the County Extension Service, or an <br /> equivalent recognized authority. <br /> Sports turf - In addition to the above, sports turf may require /receive additional or supplemental <br /> fertilizer application or soil amendments due to high user traffic or the sports /season <br /> played and resultant need to keep grass vigorously growing earlier or later than normal <br /> for park turf, above. Rates should correspond to the recommendations of the Oregon <br /> State University Department of Horticulture and/or the County Extension Service, or an <br /> equivalent recognized authority. <br /> Irrigation - All sports turf, park turf, and landscape planting within the Youth Sports Parks will be <br /> irrigated by an automatic irrigation system connected to a centralized, automated control <br /> system linked to a weather station that automatically adjusts irrigation rates based on <br /> local weather and evapo - traspiration rates. <br />