Laserfiche WebLink
Salt and Ice Control <br /> <br />used in the process. <br /> . Sand is primarily used as an abrasive to provide temporary <br />Sand on its own does not have ice-melting capability <br />traction. Sand works best on hard packed snow where it can embed itself into the snow and remain there. When used <br />on ice, sand has a tendency to “bounce” when it comes out of the plow truck and end up at the side of the road. <br />City uses a salt/sand mixture of approximately 15% salt and 85% sand. <br />weather or freezing rain. <br /> Many larger cities and highway departments are reassessing their use of sand in their snow and ice <br />control programs. Several reasons include the cost of clean-up, the clogging of storm sewer inlets, and <br /> Salt has <br />Pure salt is used on all of Ramsey’s primary roads and intersections to help control ice. <br />- <br />grees but, with the introduction of salt, the freezing temperature is lowered to the 15 to 20 degree range. <br />- <br />tively the chemical will work. As temperatures go down, the amount of de-icer needed to melt a given <br /> Before a dry de-icing chemical can act, it must dissolve into a brine solution. Brine is the term used <br />snow on the road surface, or from water vapor in the air (humidity) . . . heat is required. Sources for this <br />these sources are not available. <br /> <br />- <br />ting provides moisture to make brine and speeds up the melting process. In addition, the wet salt has less <br />be as high as 20% to 30% with the use of pre-wetting. <br /> <br />chloride to pre-treat salt in colder temperatures. <br /> With over 176 miles of roadway and some 860 intersections, the City relies on the Police Department and phone <br />calls from citizens to alert the Public Works Department <br />to problem areas that may occur because of extremely <br />by tracking the salt out of an intersection, or by packing <br />down the snow before the salt has a chance to work. <br />Maintenance crews do initial salting as they are plowing <br />occur before they can get back to complete the salting <br />operation. <br /> If you have any questions or concerns, please call <br />Grant Riemer, Public Works Superintendent at 763-433- <br />9863. <br />Ramsey Resident • January/February 201711 <br />