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PaveDrain Infiltration Test - Check Out The Video

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Rainfall in the U.S.:

According to the U.S. E.P.A. Ninety percent of rain events in the U.S. never exceed ½ inch of rain per hour. A permeable pavement would capture this...

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Stormwater Runoff:

According to the U.S. EPA, 40 percent of the U.S. rivers, lakes and estuaries are pollution-impaired and almost half of this problem is due to stormwater runoff. A permeable pavement would help to solve this...

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Stormwater Pollution:

The three largest sources of stormwater pollution are: agriculture, urban runoff and sediment from construction sites. A permeable paving surface would fix urban runoff...

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Soil and Silt:

When stormwater runoff contains soil and silt, the temperature increases and changes occur in the aquatic habitat and food supply. A permeable paving surface would lower the temperature...

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Untreated Stormwater:

Untreated stormwater runoff may contain decaying leaves and other organic materials that increase bacteria and mosquito production and decrease oxygen essential for fish life. A permeable paving surface may solve this...

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Where Storm Drains Lead:

The U.S. EPA estimates that approximately 70 percent of all storm drains lead directly to rivers, lakes and estuaries. This contaminated stormwater is never treated. A permeable paving surface would treat this stormwater runoff.

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Stormwater Pollution:

Stormwater pollution is the largest cause of pollution in the U.S. A permeable paving surface would solve this...

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Paved Parking vs Meadow:

According to one site study conducted by the U.S. EPA, the total volume of stormwater runoff from a 1-inch of rain event was 16 times GREATER for a 1 acre paved parking lot than that generated from a 1-acre meadow.


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Installation & Maintenance




UCF Stormwater Management Academy PaveDrain Performance Testing

The final PaveDrain performance report was completed May 2016 and submitted from the University of Central Florida (UCF) Stormwater Management Academy Research and Testing Laboratory (SMART Lab) by Manoj Chopra, Ph.D, P.E; Mike Hardin, Ph.D, P.E., CFM; Ikiensinma GogoAbite, Ph.D.' and Kristen Lassen.

VIEW THE FULL TEST REPORT
VIEW THE PERFOMANCE BROCHURE


Testing and Comparison of Permeable Pavement - Washington, D.C.



PaveDrain Maintenance Study from the University of Louisville


Pre-Construction and Job Site Checklist


PaveDrain Palletized/Hand-Placed Installation Manual > PaveDrain Mattress Installation Manual > PaveDrain Machine-Lay Installation Manual >

Installation



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The PaveDrain System allows for more installation flexibility than ANY paving product available on the market today.

Individual units weigh less than 50 pounds each for small installations and where mats are not feasible. Mat installation is done with conventional construction equipment (excavator, crane, forklift, etc.) and 3-4 laborers. A typical mat size is 8' x 18' (144 Sqft.) and weighs around 6700 pounds. A typical spreader bar will weigh approximately 2,000 pounds. Custom sized mats are available from 8' x 8' up to 8' x 36'.

Maintenance



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Maintenance on the PaveDrain system is drastically different from other pervious or permeable surfaces.

Due to the size of the individual PaveDrain blocks, the joints are designed to be left open; the added expense of aggregate interlock and re-filling is not required. Each individual block interlocks and is surrounded by 6 additional units. (SEE BELOW).

Diagram of PaveDrain Mat Each individual PaveDrain block interlocks and is surrounded by 6 additional units.

Maintenance Continued...

The 1/4" joint between the individual PaveDrain blocks is a well-designed balancing act between form and functionality. The gap is well within ADA requirements, but also allows a significant amount of water to drain down the sides WITHOUT becoming clogged with sediment particles. Over time the sediment particles continue to be washed down into the larger diameter stone bedding layer. (SEE CROSS-SECTION). Leaves and other small biodegradable materials will be broken down in the aggregate bedding layer from the water and air that is allowed into penetrate down into the system.

PaveDrain Cross-Section and Bedding

Maintenance Manual PDF »Following the initial installation, the PaveDrain system should be checked bi-monthly to assess the amount of infiltration still occurring. Ideally, the visual inspection should occur during a rain event. A residential or urban setting with a significant amount of debris may need to be checked more frequently.


Unlike other permeable systems, even if maintenance is not regularly carried out the PaveDrain system can be back in working order by the PaveDrain VAC Head.


PaveDrain Vac Head Instruction Manual PDF »

The open joint concept of the PaveDrain system allows sedimentation and debris that washes off of traditional surfaces to be washed down between the joints of the PaveDrain system and into the aggregate bedding layer. It could be years before the PaveDrain System needs to be maintained. (SEE BELOW) However, it is recognized that even the PaveDrain System can clog in a residential or urban streetscape with heavy debris. Trees (Magnolia Trees, Willow Trees, Evergreens, etc.) that drop an excessive amount of foliage (cones, seeds, pines, leaves) onto the PaveDrain System may need to be occasionally vacuumed with the PaveDrain Vac Head for this type of foliage.

PaveDrain Vac Head (RIGHT) attached to Combination Vac Truck (LEFT)

PaveDrain Vac Head Combination Vac Truck PaveDrain Maintenance AFTER PaveDrain Maintenance BEFORE

If a combination truck is not available, then the second best option is to utilize compressed air with a wand attachment. A video of this process is available on line.




PaveDrain Installation The PaveDrain System Maintenance Advantage

AS A WORST CASE SCENARIO NO OTHER SYSTEM CAN BE MECHANICALLY LIFTED OUT ALLOWING FOR THE SUBGRADE TO BE CLEANED AND THEN RE-INSTALLED.

PaveDrain Mat Installed The PaveDrain Mat Installed

Maintenance will vary greatly from site-to-site depending on the amount of silt, sedimentation and storm events that occur. The internal storage chamber and larger diameter aggregate bedding layer allow for a significant amount of silts and sedimentation to occur. However, IF it is determined that the system needs cleaning, the PaveDrain System is the only permeable product that is designed to be removed, the aggregate drainage layer cleaned, then re-installed in the same order using all of the original materials. It is doubtful that an entire parking structure will need to be removed. It is anticipated that only a minimal number of mats will require removal and subsequent re-installation.

How to Replace a Broken PaveDrain Block

Method 1: PaveDrain Extractor » Method 2: Break out the Block »



Method 1: PaveDrain Extractor

Step 1: Break out the broken block using a 3 lb. hammer, being careful not to damage any surrounding blocks. It is best to start in the middle of the block and work your way out. A concrete masonry chisel can help as well.
Step 1

Break out the broken block using a 3 lb. hammer, being careful not to damage any surrounding blocks. It is best to start in the middle of the block and work your way out. A concrete masonry chisel can help as well.


Step 2: Adjust the PaveDrain Extractor so that it will pick from the two flat sides of a PaveDrain block. Pull and move handle of extractor back and forth to remove damaged block.
Step 2

Adjust the PaveDrain Extractor so that it will pick from the two flat sides of a PaveDrain block. Pull and move handle of extractor back and forth to remove damaged block.


Step 3: Once the damaged block is removed, debris should be cleaned out of area. Use the PaveDrain extractor to install the new block.
Step 3

Once the damaged block is removed, debris should be cleaned out of area. Use the PaveDrain extractor to install the new block.



Method 2: Break out the Block

If a PaveDrain block breaks under pressure or sudden impact, it is easy to replace the single block without having to pull out the entire mattress. Follow these steps to repair and single block.

If a PaveDrain block breaks under pressure or sudden impact, it is easy to replace the single block without having to pull out the entire mattress. Follow these steps to repair and single block.


Step 1: First, hammer out the broken block using a hammer, being careful not to damage any surrounding blocks. It is best to start in the middle of the block and work You way out.
Step 1

First, hammer out the broken block using a hammer, being careful not to damage any surrounding blocks. It is best to start in the middle of the block and work You way out.


Step 2: Once You have loosened the concrete, begin to pull out the pieces by hand, removing all of the block from the area. If there are still pieces that are stuck, continue to use the hammer to break them free.
Step 2

Once You have loosened the concrete, begin to pull out the pieces by hand, removing all of the block from the area. If there are still pieces that are stuck, continue to use the hammer to break them free.


Step 3: Once the block is free, perform one final check to clear the wires and any block remnants that may have collected under adjacent blocks.
Step 3

Once the block is free, perform one final check to clear the wires and any block remnants that may have collected under adjacent blocks.


Step 4: Now that the damaged block is fully removed, You are ready to place the new block in. Line up the replacement block to fit the hole where the old block was.
Step 4

Now that the damaged block is fully removed, You are ready to place the new block in. Line up the replacement block to fit the hole where the old block was.


Step 5: Slide the new block down into place. You may use a rubber mallet to tamp it down securely at the edges, again be sure not to damage the new block by using too much force.
Step 5

Slide the new block down into place. You may use a rubber mallet to tamp it down securely at the edges, again be sure not to damage the new block by using too much force.



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