Beer bottle walkway at The Morton Arboretum

This walkway was put in a few months ago and I thought it looked pretty neat. It's not sharp at all, very smooth to the touch.

News clip on using beer bottles for walkway material at The Morton Arboretum

Hosea Sanders and Sylvia Jones

December 11, 2009 (WLS) -- If you're looking for an excuse to drink more beer, you could now say you're doing it to help the environment.

When you think of the Morton Arboretum, your next thought probably isn't beer. But a visit to the grounds just might change that.

Here's something you don't see everyday: water being sprayed onto the ground with no pooling or puddling. It's soaking right in instead rolling off and going into the sewers. That's because this isn't ordinary concrete. It's a new, porous pavement made from crushed, recycled beer bottles.

"Seventy-five to 80 percent of all the materials that people bring to their curb with the vain hope that these would be reused and glass would be turned into more glass bottles, most people don't realize that those glass bottles end up in a landfill anyway," said Bill Handlos, Presto Geosystems.

The pavement comes in a variety of colors and sort of looks like Rice Krispies Treats. The glass scraps are rounded off and then bonded with a tough polyurethane. It's one of five systems the Morton Arboretum is testing for practical use.

"What we want to do is look at how stable the systems are, drainage is important to that, but also cost...At the Arboretum, we look at the long term so the testing will go on I guess until they don't work," said Kris Bachtell, Morton Arboretum.

Other systems being tested on the campus include a porous concrete, a porous asphalt and two types of brick pavers. The brick pavers are easily removable and interchangeable.

All of the products contribute to less run-off into drainage systems and ultimately, cooler, cleaner groundwater.

"The water goes around the bricks and the water is cleaned and filtered through gravels," said Bachtell.

The cost of that beer-bottle pavement is about $9 or $10 per square foot. The manufacturer says that's about what you'd pay for colored concrete or brick pavers.

The Morton Arboretum
www.mortonarb.org

Presto Geosystems
http://www.reynoldspkg.com/alcoa-geo/en/solutions/filterpave.asp

Emerald Site Services
www.emeraldsiteservices.com
8223 W. Lincoln Highway, Frankfort, IL 60423
815/469-7400
(Copyright ©2009 WLS-TV/DT. All Rights Reserved.)
 
Cool. The tarmacks and most of the runways of the San Antonio International airport are composites too...ground tires, glass, assorted frick/frack mixed in with the concrete. There's little to no runoff except in a turd-floating deluge.

Porosity is a big deal when thinking about cities and sheer size of areas that are impervious to what's been normal for millions of years beforehand. Aggregated solutions of used oils and human yuck collected in run-off can't be treated effectively and runoff can't recharge groundwater depletion.

I'm poppin' open a cervesa in honor of the Arboretum.
 

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