Did you know certain de-icers can permanently damage new concrete? The City considers new concrete to be less than five years old and warns chemical de-icers, including those containing ammonium nitrate or calcium chloride, should be avoided on any new concrete..
If your concrete is less than five years old:
As alternatives, City Staff recommend using cat litter or sand on new concrete. in winter weather. Contact Engineering at 541-966-0203 if you have any questions.Per City Ordinance No. 2320, “the expense of maintaining a sidewalk in good repair shall be borne by and apportioned among the lots and premises abutting on or along the sidewalk.”
Original source can be found here.
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