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s <br /> a-r <br /> y <br /> CHAPTER T3:TECHNICAL PROVISIONS OUTDOOR DEVELOPED AREAS GUIDELINES <br /> Advisory 1321 2 Trail signs ,maximum, running slope•represents the section(s)of the trail <br /> with the steepest grade Maximum runnng slope should tae determined over the best(i;e:, <br /> most'level) path of}travel for that segment of the trail For example, a 1'0 foot wid'etrail may <br /> have a steep rut on one edyc a o1 tt a trail;beeause that side cif thestrail has eroded: <br /> sinlficantly The reit is 3 feet wide and continues along derail fora0 feet The running <br /> ,-,-S10.00;when one wallts�down into the rxut is 20 gereent ,',:T 17:, iri ng 7 feet on•the rig• ht' <br /> hand side of the trailfhas a; umm�g slope:of'10.percer t The r. axirnum running slope.would <br /> be measured>as 10:pe1dert 4 <br /> • Cross Tope <br /> 'Ayeragg cross slope repl•esents the angle o,..: ,.-,::.,,,,,-,, -:,. , , , ., :: ,,,: , f the tread ovarthe efttire length of the trail he <br /> average cross slope.,sho.uld be determined by taking the avere�ge of the cross slope <br /> measurements taken aat intervals;of 100 feet(30 5,n1) ot`.Iess`:from the trailhead to the <br /> destination;,along.-the easiest or most Level path oaf trai/0I along•thetrai,l. Trail cross slope <br /> :'should be measured over a 24 inch(610 h1m)W idth Calci.11ation otthe average Groes slope <br /> is the average value,of all cross slope measulernents takipg,into consideration the•length'of <br /> the interval between each measurement <br /> Maximum cross slope sh©ud l e determined over the;best(iye ,.most level)-path:of travel for <br /> ,that segment of the=trail 1=er example, a 8 footwide t'ahl r0ay.have:a steep side slope.:on, <br /> one edge of the trail: This:section has an 8 percen$JCross slope that extends 2 feet from ttie <br /> edge of the trail tread The remaining 4 feet ort the otherrsttle cif the trail l as a cress slope <br /> of 3 percent ;The.maximum cross siope wpuldtbe ine`asured as 3 percent, <br /> T"i�ail Le gtli <br /> '�� n <br /> The distance:from the tfailhead toitiae destination or end of>the trail should be measured in <br /> =linear.feet along the:centerline,•of the trail . <br /> Trail Elevation <br /> The elevation,should be recorded at.the trail heactk et the biggest point on'fhe trail`and at.:the <br /> I,ow of point on the;tratl Total eleuattort c�iange is the sung of all elevation gams and losses, <br /> irtdt'datng the`total a�rtountAof elevation hiofi taunt 1�e negotiateit. <br /> 37 <br /> 84 <br />