Tag: porous concrete

Pervious concrete (also called porous concrete, permeable concrete, no fines concrete and porous pavement) is a special type of concrete with a high porosity used for concrete flatwork applications that allows water from precipitation and other sources to pass directly through, thereby reducing the runoff from a site and allowing groundwater recharge.

Madison, Wisconsin: Capital Stormwater Management

Madison, Wisconsin: Capital Stormwater Management

Two entities are the major players for stormwater projects—green and gray—in Madison. One of those players is the city itself, which as of 2014 had a population more than 245,000. The other is the University of Wisconsin’s (UW’s) main branch. Its flagship campus of the UW system covers 936 acres

In Tune With Green Infrastructure

In Tune With Green Infrastructure

Nashville, TN, has a watershed of 311,212 acres. Annual rainfall is 48.5 inches. But those figures don’t mean much if what ­happened in Nashville on May 1–2, 2010—or something close to it—happens again.

Reversing the History of Urban Hydrology

Can we reverse the impacts that urban areas have on our surface waters? And can it be done economically? It is expected that the country will see increasing difficulty in accessing adequate quantities of clean water unless well-laid plans are followed to preserve and protect it. Stormwater professionals will play

Reversing the History of Urban Hydrology

Can we reverse the impacts that urban areas have on our surface waters? And can it be done economically? It is expected that the country will see increasing difficulty in accessing adequate quantities of clean water unless well-laid plans are followed to preserve and protect it. Stormwater professionals will play

Taking Runoff Off the Table

Taking Runoff Off the Table

Remember the song with the line about little green apples and rain in Indianapolis in the summertime? Of course Indianapolis gets rain during the other three seasons, too, for an average annual rainfall of 42.4 inches. That’s a fair amount of stormwater to manage. Indianapolis also has runoff from melting

A Permeable Package

A Permeable Package

The use of permeable and porous paving has dramatically increased in the last decade. Municipalities around the country now accept, and even specify, these products in both new and retrofit projects. The capability to provide runoff management with a pavement or pavers can save space and sometimes installation time, and

Keeping Stormwater Cleaner

Keeping Stormwater Cleaner

When Raul Garza sits in the cab of Clean Water Services’ light blue Tymco street sweeper, he sees himself as doing more than earning a paycheck. Driving through the streets of the stormwater utility’s district–parts of Multnomah, Clackamas, and Washington counties in Oregon–Garza knows that the work he is doing

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