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IP <br />• <br />• <br />Application Rate <br />Develop your own application rates using the guidelines on <br />pages 16 -18 as a starting point and modify them incremental- <br />salt spray <br />ly over time to fit your needs. You can summarize information damages roadside <br />gathered from your truck logs into application rates for your vegetation. <br />area. Be aware, though, that sample rate charts vary greatly <br />from one area to another, and most are very high. Make it a <br />goal to reduce application rates while keeping our roads safe. <br />You can reduce rates by following anti-icing and other strate- <br />gies covered in this field handbook. <br />GUIDELINES FOR DETERMINING APPLICATION RATES <br />• Sand /salt mix isn't advised but may help in some situa- <br />tions such as freezing rain. <br />• Always plow before applying chemical. For reapplication, <br />start with the lowest rate in the range. <br />• High traffic volume will work salt into the snow and aid in <br />melting —so use a lower rate. <br />• Higher traffic speeds will blow salt off the road and hinder <br />melting —so increase use of prewetted materials. <br />• Use sand for short-term traction only. It will never melt <br />anything. <br />• For application on a single lane, cut rates in hall. For an 18- <br />foot -wide road, use 3/4 of the listed rate (i.e., multiply rate <br />by 0.75). <br />• It is usually not cost- efficient to apply salt (sodium chlo- <br />ride) at pavement temperatures below 15° F. <br />15 <br />CO <br />v <br />0 <br />0 <br />JaI.u!M aye aJo;ag <br />woiS 81.11 Mpg <br />0 <br />WJOIS ayIJaldV <br />Con <br />a co <br />5 a <br />0 <br />d <br />0 <br />=c d <br />_ <br />m a <br />CD <br />0- <br />X <br />