Why Parking Lot Draining Is Essential in the Springtime

April, 19, 2021 By CASSIDY PAVING 6 min read
Paving a parking lot for drainage
As we enter into the spring months, New Englanders should prepare themselves for an increase in precipitation. According to data collected by the Commonwealth of Massachusetts, the northeast portion of the state historically sees over two inches of rainfall. In 2020, we saw even more than that average. Because we know that springtime is generally full of rain, you should be prepared to have a plan in place for your asphalt parking lot drainage to avoid extensive issues. Here are the reasons why anticipating parking lot drainage is crucial to your property's safety and functionality.

Why You Need Parking Lot Drainage

Water Deterioration

There are various ways your asphalt parking lot shows signs of water damage. Although it is a porous material, too much water can cause extensive and costly deterioration. Research by Mehmet Akif Ersoy University found that moisture causes the following types of damage in asphalt pavement:
  • Stripping- the debonding of aggregates and binder at the bottom of a hot mix asphalt (HMA) layer
  • Bleeding- the formation of an asphalt binder film on pavement
  • Rutting- surface depressions at the wheel path
  • Corrugation and Shoving- ripples or abrupt waves across the blacktop
  • Raveling- progressive disintegration of HMA layer
  • Localized Failures- loss of the adhesion between the binder and aggregates or progressive loss of chosen in aggregates and the binder
With all of these possibilities of damage to your parking lot, you must have a drainage plan in place well before increased springtime precipitation.

Drainage Solutions

There are several parts of a drainage system, and a well-maintained parking lot accounts for each of these. One of the first things to consider is the slope of your lot. The slope plays a vital role in the effectiveness of the overall drainage system. Having the proper slope will encourage water to flow away from your parking lot rather than pooling. Next, your asphalt paving contractor should address the curbing. Installing asphalt curbs plays a big part in directing the water into the proper areas such as grass or drains. Lastly, you will need to account for drains and inlets in the correct areas of the parking lot. Strategically placed drains will provide the best escape from water on your blacktop. Only when the slope and curbing are installed correctly will your drains be able to do their job. While working in unison, these solutions will be reliable ways to keep your parking lot safe and functional.

Hire Drainage Experts

While many asphalt companies may claim to be parking lot drainage experts, not everyone can provide the same quality service that you’ll find at Cassidy Paving. Your parking lot contractor should understand all of the types of deterioration that are signs of faulty drainage. They should also know how to install a total drainage solution. If you are in the New England area, give Cassidy Paving a call today at 866-978-9788 to get a free estimate on your parking lot paving and repair. We are your local experts on all things commercial paving. Don’t wait to repair even the most minor issues. Our team is here to help you lower your liability and provide quality service for all of your needs.
Filed Under: Asphalt

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Based in Haverhill, MA, Cassidy Paving is a commercial paving company serving southern NH and Massachusetts.

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