Equipment Type

Pervious Concrete

May 21, 2007

Pervious concrete -- a mix of coarse aggregate, cement, water, and little to no sand -- creates a porous, open-celled
structure that allows rainwater to filter through into the ground. This concrete mix is becoming increasingly popular as
the choice mix in building parking lots and ramps in Florida and California, where frequent storms are heavy and runoff
can pose an environmental hazard.

The benefits of the drainage allowed by pervious concrete are obvious. It eliminates or reduces stormwater runoff;
eliminates the need for detention ponds; replenishes water tables and aquifers; reduces demands on sewer systems;
and minimizes flash flooding and standing water. It also cools and filters stormwater before it enters streams and
mitigates surface pollutants. The use of pervious concrete also allows for more efficient land development by
eliminating the need for other costlier and more space-consuming stormwater management practices.

If not already on board, contractors who build parking lots, driveways, sidewalks, recreational trails, and retaining
walls better get up to speed on it and quick.

ACP Articles on Pervious Concrete


Pervious Concrete Is ""Hot""
Midwest Contractor -- 05/14/2007

Interest in pervious concrete continues to grow in the Midwest as specifiers learn more about its properties and
benefits. ""I get at least two or three calls every week on potential pervious concrete projects,"" said John Cunningham
of the Iowa Ready Mixed Concrete Association a little more than a year after the porous mix debuted with initial
demonstration projects in the four states.


New Michigan Concrete Association Chairman Looks Ahead
Michigan Contractor and Builder -- 04/16/2007

The addition of a staff member devoted to promoting concrete parking lots to commercial and municipal establishments
throughout Michigan should generate an increase in concrete parking lots as well as more business for our members.
As part of this promotion, MCA will be placing special emphasis on the use of pervious concrete for parking lots.


Pervious Concrete for Vegas Condo driveways
Rocky Mountain Construction -- 04/16/2007

While bright lights, casinos and fabulous hotels come to mind when you hear the name ""Las Vegas,"" pervious concrete
probably does not. This zero slump concrete mix is making its debut in the desert — on the Las Vegas Strip at the MGM
Residence Towers.


Concrete Design
Western Builder -- 08/17/2006

Pervious concrete has become a key construction material to control storm water run-off. However, because pervious
systems must be designed to simultaneously meet several goals related to the site's function and environmental impact,
detailed hydrologic analysis it vital.


Pervious Concrete Placement
Construction Digest -- 07/24/2006

Louisville, Ky.-area architects, engineers, developers, and contractors found out just how environmentally important
a special type of concrete can be when a pervious concrete parking area was installed at the Girl Scouts of
Kentuckiana's Program & Learning Center on June 13.


Pervious Concrete
Midwest Contractor -- 06/26/2006

It was a small project, just 50 cubic yards installed April 18 as part of a parking lot at the new North Corridor
Junior High School in North Liberty, Iowa. But the Iowa Ready Mixed Concrete Association's demonstration of pervious
concrete provided more than 70 attendees with their first look at a product that could have big ramifications on how
certain structures are constructed.


Pervious Concrete Is Economical
Michigan Contractor and Builder -- 06/17/2006

A new type of concrete that is now being introduced in Michigan promises to solve the storm water runoff problem while
saving developers money. Rather than building parking lots and walkways with conventional concrete or asphalt, commercial
developers and builders in other parts of the country have been switching to pervious concrete.


Concrete Is Environmentally Friendly
Michigan Contractor and Builder -- 05/06/2006

Concrete is as old as the Romans, yet it's as current as today's concerns about saving energy, helping the environment
The increasing use of pervious concrete is helping to preserve water resources by capturing rainwater and allowing it
to percolate into the underlying soil.


""Green"" Concrete At Southface
Dixie Contractor -- 12/19/2005

In Atlanta, construction is well under way at the Southface Eco Office. This high-performance, energy-efficient project,
which is making extensive use of concrete, aims to earn the Platinum LEED certification.


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