Transportation
BY JOVANNA AGUILAR
Harris County Precinct 3 launches new road de-icing method
To combat potentially dangerous roadways this winter season, Harris County Precinct 3 has plans to lay out brine solution that chemically breaks up the ice on the roadways, ocials announced in a Dec. 20 YouTube video. Crews used this new road de-icing method in mid-January amid freezing temperatures, Com- munications Manager Jeannie Peng said, and this is how Precinct 3 roads will be treated in future winter weather events. The details Precinct 3 Commissioner Tom Ramsey said rather than laying out chat rock as they have done in the past winter seasons, Precinct 3 is now laying out brine solution. The brine solution was provided by the Texas Department of Transportation through the County Assistance Program at no charge, Peng said. “During the last freeze season, we realized that with the size of our new precinct, we needed to
adapt to be able to cover over 300 bridges and 6,700 lane miles of roadway to keep them open and safe during winter conditions,” Road and Bridge Director Jennifer Almonte said. According to Precinct 3 ocials, while chat rock provides traction control, brine chemically breaks ice as vehicle weight travels the wheel path on roadways and can be used as pretreatment to prevent ice from forming in the rst place. Did you know? Almonte said brine is cheaper, is applied more quickly, is more environmentally friendly and can be used to pretreat the roadways. During pretreatment rounds, workers spray brine solution around 20 mph, and for de-icing, it is sprayed at 5-10 mph to spray a greater volume of brine, Peng said. When de-icing is needed, crews run routes until temperatures rise above freezing. “Typically this means that each bridge will be sprayed every 12-24 hours,” she said.
Precinct 3 crews lay brine solution ahead of freezing temperatures to de-ice roads.
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