We recently designed an instrument that we’re pretty excited about — a stormwater estimating worksheet. This simple tool will help designers working with the Silva Cell by allowing them to use the drainage area and storm event depth to quickly estimate the number of decks and frames necessary to reach their stormwater storage and treatment… More
We’ve been talking about doing it forever, and now we finally have: a lifecycle analysis that examines the investment vs. returns of street trees planted using traditional methods (4′ x 4′ cutouts) and in a suspended pavement (Silva Cell) treatment. Before we go any further, thanks are due to the Kestrel Design Group, in particular Nathalie Shanstrom,… More
Today’s blog post is actually a sneak peak of our most recent case study, and highlights a Silva Cell installation at a Lidl Store car park in New Milton. It will be available for download off the website shortly. The open expanse of most car parks makes them unpleasant places in almost all weather conditions, whether… More
Back in April we announced a partnership with HydroCAD that allows designers to easily model Silva Cells as a part of their overall stormwater management plan. Today, I thought I’d walk you through the basics of creating a stormwater management plan using the Silva Cell system within HydroCAD.
“How much does the Silva Cell cost?” As you can imagine, this question comes up a lot; some of you have probably asked it yourselves. Designers, owners, and policy-makers all (rightfully) want to know. We’re not being coy when we invariably answer, “Um, it depends!” because to give an accurate price quote we need a… More
By L. Peter MacDonagh, RLA, ISA, LEEP-AP I have a lot of discussions about the role of trees, soil and stormwater in the urban environment — particularly, about how much more effective than your average stormwater system that they can be at managing daily rainfall events. Sometimes I encounter disbelief that this could be the case,… More
I like the ASLA blog The Dirt quite a bit. They cover a variety of topics and showcase different voices and viewpoints (I especially liked Rene Bihan’s “Nature is Dead” piece and the “Landscape Architects Must Fight For Public Health” editorial). A recent entry, “Leveraging the Landscape to Manage Stormwater,” combines an article and a… More
Root Barrier and irrigation is currently being put in at our Aurora Avenue Silva Cell installation in Shoreline, WA by Out West Landscape. (And later, roasted cauliflower soup.)
It’s not exactly news that urban detritus isn’t good for the environment, and a recent BuildingGreen.com newsbrief reviews another recent study demonstrating that urban runoff is bad for steam biodiversity.
I know CEU requirements vary wildly from state to state wildly, but if you need to fulfill some hours — or just like learnin’! — check out a recent DeepRoot-sponsored course available through McGraw-Hill, Greening the Site: Design Options for Sustainability.
Soil. Stormwater. Sustainable Infrastructure.
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