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Check Out The Hill! -Sled Safe <br /> Sliding Area Layout <br /> Figure 6 shows some of the sliding hill features discussed above: <br /> • orientation of the hill, <br /> • parking close to the base of the hill(with access to the bottom of the hill), <br /> and i <br /> • a variety of hill lengths and slopes to accommodate different skill levels <br /> and age groups. <br /> The other important feature of a sliding hill,particularly,in a man-made situa- <br /> tion,is that it have a convex slope in order to guide the sliding lanes away from I <br /> one another. A flat sliding surface that allows for parallel runs is acceptable. A I <br /> convex slope that concentrates runs into one small area at the base of the hill is <br /> unsafe. I <br /> 1 <br /> Support services should be close to the sliding area,but not close enough to be I <br /> a hazard. <br /> 1 <br /> The hill's ascent lane(s)should offer the shortest return route to the top of the 1 <br /> hill. The lane should be in an area with less slope(20-25%)so that climbing back <br /> up is relatively easy;alternatively,a zigzag or switchback layout for the lane will <br /> help. Do not provide stairs,unless they can be kept free of snow and ice at all 1 <br /> times. 1 <br /> Night lighting is best located at the top of the slope. If it is in other locations,it 1 <br /> should be outside the sliding area's perimeter fencing. <br /> 1 <br /> The slope and length guidelines given below for beginner and intermediate 1 <br /> hills are based on maximum speed correlation to other sports(downhill skiing) <br /> and on children's playground standards. I <br /> Beginner Hill: 1 <br /> 1 <br /> Children 4-6 yrs: So that maximum speed does not exceed 11 kph,and to cor- <br /> respond to novice downhill skier recommendations and playground guidelines: 1 <br /> slope angle 7.5%,maximum 40m slope length 1 <br /> slope angle 10%,maximum 15m slope length 1 <br /> slope angle 15%,maximum 5m slope length. <br /> Intermediate Hill: 1 <br /> Children 7-9 yrs: So that slope/length correlates to intermediate downhill 1 <br /> skier recommendations and speed does not exceed 25 kph: 1 <br /> slope angle 15%,maximum 40m slope length 1 <br /> slope angle 20%,maximum 20m slope length 1 <br /> slope angle 25%,maximum 15m slope length. 1 <br /> 1 <br /> 1 <br /> Appendix D-Sliding Hill Attributes and Design Criteria page 40 1 <br />