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What’s next for green streets? How about green alleys!
Imagine living next to a blighted alleyway. You’d like to use it to walk to church or school or the bus stop, but it’s unsafe and ugly. This is the situation that used to exist in the Elmer Avenue...
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How to create a clean water alley, Part I
The Elmer Paseo is all but complete – we still have some finishing touches to add so it won’t be officially open until the new year. For all of you stormwater geeks, following is a photo essay showing...
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How to create a clean water alley, Part 2
In Part 1, we showed the initial steps in constructing the infiltration and bio-swale. Part 2 illustrates the complex choreography of marrying the infiltration trench and the bio-swale. The majority of...
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How to create a clean water alley, Part 3
Now that the infiltration trench and bio-swale have been constructed, it is time to lay the sidewalk, which goes on top of the infiltration trench. How’s that, you say? Putting a sidewalk on top of the...
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How to create a clean water alley, Part 4
As we mentioned in an earlier post, the reason we are converting the Paseo into green infrastructure is because it receives water from about 20 upstream acres of land and the soils and geology are...
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How to create a clean water alley, Part 5
While the concrete cured, the crew focused on several elements as illustrated in the following photographs Refining grade elevations for the bio-swale. Prepping the wall for paint. Using a roller...
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