Permeable Pavement Cleaning

Permeable Pavement Cleaning

Sweeping Permeable Pavement

Pervious paving, also called porous paving, gap-graded paving, permeable paving, or enhanced porosity paving, is increasingly being used as part of a stormwater management design to reduce stormwater runoff and replenish aquifers. Developing a Best Management Practice (BMP) checklist for the care and maintenance of your pervious pavement areas is an important part of their inspection and maintenance in addition to the stormwater management of these water permeable pavement surfaces.

Pervious Pavement Cleaning – BMPs

The collection of dirt and fine aggregates that can block water entry into permeable paving. It is important to work with power sweeping professionals who are trained to appreciate the affect that naturally occurring conditions like slope, surrounding trees and foliage and adjacent impervious (hard) pavement areas will have on proper water flow. An example of this can be seen during a period of moderate to heavy rainfall: if the rainwater cannot infiltrate the paving as fast as it falls, water will flow down a graded slope. Heavy rainfall that consistently flows water to a “low point” in otherwise permeable pavement can bring with it extra sediment and clog the otherwise porous surface.

Proper Maintenance Practices for Porous Pavement Areas

Maintenance of permeable pavement requires sweeping up to 8 times per year depending on the potential for clogging in the specific location which can be caused by vegetation, garbage, and traffic among other reasons. Because paving structures that absorb or allow passage of water are sophisticated systems, extra care must be taken in norther, cold-weather climates. If permeable pavement surfaces do not drain quickly enough under cold winter conditions, trapped water can freeze damaging your paving.

Regular preventative maintenance includes water flow measurement of these surfaces to establish a schedule that identifies the point at which clogging occurs. The best method to measure how much rain water can be accepted by a porous pavement area is to perform testing of drainage through the system. Your BMP then involves structuring a regular preventative maintenance cleaning of these surfaces.

Porous Pavement Sweeping, Cleaning Rejuvenation

The Partner professionals at 1-800-SWEEPER undergoing training and know that the most appropriate equipment to clean permeable pavement is a regenerative air sweeper.  Regenerative air sweepers blast air down and clean deeper to better lift silt and other materials from the holes and provide the necessary transfer and pickup actions to far more completely clean the surface. We also know that use of any machine which requires brooms should be avoided.

If during pre-sweep water flow-rate testing, it is found that the flow rate of the surface is so poor that sweeping is no longer effective then a pavement rejuvenation process should be developed. Rejuvenation of pervious pavement requires power washing the surface with a “deck/flat surface” type machine which has been modified to “vacuum” water.

1-800-SWEEPER Partners are familiar with multiple methods of cleaning permeable pavement and are happy to help educate our customers on proper maintenance requirements. From on-call emergency sweeping to scheduling regular, ongoing service for your pervious pavement, 1-800-SWEEPER gives you a dependable, value oriented sweeping solution that features only licensed, bonded, drug-tested, professionally trained environmental technicians. Finding your local partner contact is easy – start here on our Locate Your Local Sweeping Company page.

To request a proposal, just click here or call 1-800-SWEEPER today. By the way, does your facility need outdoor parking lot sweeping? We can help with that too!