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Winter is just around the corner. In many parts of the country, that means dealing with snowy and icy conditions from December to as late as March. Facility managers should already have plans in place to handle the roads and sidewalks at their institutional and commercial facilities. But in case they are still working on their programs, Western Specialty Contractors offers managers tips on minimizing damage to parking structures during the winter months.
Chemical deicers and snowplows are commonly used in winter to eliminate hazardous ice and snow from parking decks and structures. While deicers are doing their job melting away snow and ice, some may actually be corroding the parking structure’s concrete and reinforcing steel, and some snow removal techniques may actually be doing more damage than good.
When removing snow from parking structures, managers should consider the following actions:
Using chemical deicers to control ice and snow buildup is common. However, these chemicals can have a negative effect on concrete and reinforcing steel and should be used sparingly. There are several different types of deicers on the market that can be used, however, only those approved by the American Concrete Institute are recommended.
It is important to minimize the amount of deicing chemical applied during the first two years of the concrete being installed. During this time, the concrete has an increased permeability which can allow the deicing chemicals to migrate into the concrete more rapidly. As concrete ages and cures, it will become less permeable and chemicals will not penetrate as easily.
Deicing chemicals in general are not recommended. The safest way to remove ice and snow is to use a plow. Sand can also be used to increase tire traction on the deck, but be sure to protect the drainage system when washing down the deck after its use.