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ATTACHMENT 4 <br />Infrnducfinn <br />Synthetic Turf Maintenance Specification <br />This specification shall explain the procedures necessary for maintaining the synthetic turf fields at the <br />Santa Ana Stadium and the Centennial Park, Dan Young Soccer Complex. <br />I. Cleaning and Stain Removal <br />A. General Dirt <br />Rain is a natural field cleaner. Rainfall cleans the turf fibers of dust, pollen and airborne <br />chemicals. [n areas where rain is not sufficient enough to remove embedded dirt, the <br />Contractor shall saturate the surface of the synthetic turf field until contaminants are flushed <br />through the turf. Embedded dirt shall not be removed by mechanically sweeping the field. <br />B. Rubbish <br />Rubbish Removal <br />Paper, peanut shells, sunflower seeds, athletic tape, paper, etc., shall be removed daily from the <br />synthetic turf surface. <br />A sweeper is satisfactory for lifting paper scraps, food debris and loose trash from the surface <br />as well. Sweeping the field should be accomplished as soon as possible after an event. The <br />sweeper should have synthetic fiber bristles such as nylon or polyolefin. The minimum brush <br />length should be 2.0". <br />The brush should contain no metal. (Metal bristles or fibers can create a safety hazard if <br />individual bristles break off and become lodged in the turf or rubber fill). <br />The brush setting should be checked often. The actual setting depends on the model and type <br />of sweeper. The sweeper will work best when the brush is set so it just touches the tips of the <br />fibers of the turf. DO NOT SET THE BRUSH SO LOW THAT IT DIGS INTO THE TURF <br />PILE, THE FILL MATERIAL OR THE TURF BACKING. A brush setting that is too low can <br />damage the artificial grass and adversely disturb the fill. <br />Do not use a mechanical sweeper during the heat of the day if the temperature exceeds 90 <br />degrees F. <br />C. Vehicles <br />Vehicles are not allowed on the field at any time. Only approved off-road type equipment may <br />be driven on the field. The Contractor shall use caution not to spin the tires, turn sharply, or in <br />any way maneuver the piece of equipment where it will damage the synthetic turf. <br />Oil and Fuel Spills <br />Oil and fluid spills can discolor and even damage the artificial grass. Proper equipment <br />maintenance shall be observed. Battery acid and most other fluids should not be allowed on the <br />46 <br />25C-50 <br />