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1 Watering Synthetic Turf Surfaces: Some owners have found it desirable to deliberately wet their synthetic turf surfaces, especially in periods of very hot weather. Wetting the surface provides moisture for cooling the field before evaporation takes place. It also acts as a lubricant to the turf but it must be noted it may also lower traction to a slight degree. On a hot sunny day outdoor playing surfaces can receive enough radian energy to evaporate about a quart of water per square yard per hour. As the moisture evaporates the temperature of the synthetic turf will match that of natural grass in the same area. A full sized soccer, hockey or football field may evaporate up to 1,200 gallons of water per hour in extremely hot weather. If you decide to water your field, be careful to distribute the water evenly. If water is put on the field, it should not be from a polluted or non-potable water supply. Special Events: (Non-Designated Uses) 1 Assemblies and Convocations: Facilities with synthetic surfaces are often used for graduation ceremonies at many Colleges and Universities. The basic precaution is to keep long-term static loads below 500 pounds per square foot by the use of plywood or other load spreaders. Normally, 4' x 8 ' foot sheets of 3/. inch plywood do a good job of load spreading, provided the load is not applied too near the edges of each panel. Polyethylene film should be laid over the turf under the load spreaders to avoid staining or spoilage of the turf. Any chairs placed directly on the playing field surface should be inspected to be sure that the tips of the legs couldn't damage the turf. Metal chair legs should be protected with rubber tips. The legs of wooden chairs should be free of any sharp edges that may tear the turf or damage the underpad. Shows and Circuses: Events such as equestrian shows and circuses fall outside the recommended lists of designed activities for synthetic surfaces, although a number of them have been held successfully without incident. If events of this nature are to be held, precautions regarding static loads are especially important. Provisions should also be made for the prompt removal of animal waste. Activities involving an open flame on the playing surface should be strictly prohibited. Rock Shows and Concerts: "Rock and Roll" concerts have become popular events in recent years. These events also fall outside the recommended list of designed uses for most surface installations. The problem of surface loading to support stages and show equipment is obvious, but can generally be overcome with proper load spreaders. Unfortunately, a much more serious problem is control of crowd behavior. 1 Global Synthetics Environmental.LLC • 6326 Highland Road • Baton Rouge.LA 70808 • 225 907 4763• •MWLgeosurtaces.cam 19 RFP it 12-10-03 1