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Deicing Application Hate Guidelines <br /> 24' of pavement (typical two -lane road) <br /> These rates are not fixed values, but rather the middle of a range to be selected and adjusted <br /> by an agency according to its local conditions and experience. <br /> Lbs/ two -lane mile <br /> Pavement Weather Maintenance Salt Salt Dry Salt* Winter Sand <br /> Temp. ( °F) Condition Actions Prewetted/ Prewetted/ (abrasives) <br /> and Trend Pretreated Pretreated <br /> (tl) With Salt With Other <br /> Brine Blends <br /> >30° t Snow Plow, treat 80 70 100* Not <br /> intersections recommended <br /> only <br /> Frz. rain Apply chemical 80 —160 70 —140 100 — 200* Not <br /> recommended <br /> 30 01 Snow Plow & apply 80 -160 70 -140 100 -200* Not <br /> chemical recommended <br /> Frz. rain Apply chemical 150 — 200 130 —180 180 —240* Not <br /> recommended <br /> 25 - 30° t Snow Plow & apply 120 —160 100 —140 150 — 200* Not <br /> chemical recommended <br /> Frz. rain Apply chemical 150 — 200 130 —180 180 — 240* Not <br /> recommended <br /> 25 -30 °1 Snow Plow & apply 120 -160 100 -140 150 -200* Not <br /> chemical recommended <br /> Frz. rain Apply chemical 160 -240 140 -210 200 -300* 400 <br /> 20 - 25°1 Snow or Plow & apply 160 — 240 140 — 210 200 — 300* 400 <br /> frz. ram chemical <br /> 20 - 25° 4. Snow Plow & apply 200 — 280 175 — 250 250 — 350* Not <br /> chemical recommended <br /> Frz. rain Apply chemical 240 -320 210 -280 300 -400* 400 <br /> 15 -20 ° Snow Plow &apply 200 -280 175 -250 250 -350* Not <br /> chemical recommended <br /> Frz. rain Apply chemical 240 -320 210 -280 300 -400* 400 <br /> 15 -20 °1 Snow or Plow & apply 240 -320 210 -280 300 — 400* 500 for frz. rain <br /> Frz. rain chemical <br /> 0 to 15° tl Snow Plow, treat Not 300 — 400 Not 500 — 750 spot <br /> with blends, recommended recommended treat as needed <br /> sand hazardous <br /> areas <br /> <0° Snow Plow, treat Not 400 — 600** Not 500 -750 spot <br /> with blends, recommended recommended treat as needed <br /> sand hazardous <br /> areas <br /> *Dry salt is not recommended. It is likely to blow off the road before it melts ice. <br /> * *A blend of 6 —8 gal /ton MgC1 or CaCI, added to NaCI can melt ice as low as -10 °. <br /> 86 <br />