Nice article to send out to homeowners and others and some good resources http://www.naturalhomemagazine.com/article/2007/03/singing-in-the-runoff.html...
Hi, this is my first time using this resource, my name is Keith. the slick_whipper is a previous account i had....long story. Anyhow... I have a design for a...
How are your erosion control efforts going? We are trying to push fo more efforts "upland" to get infiltration and less run-off BEFORE it gets to these...
I have seen filter fabric cause lots of problems under bioretention and pervious pavement applications-I would DEFINITELY NOT use it. In my experience, the pea...
You don't NEED filter fabric. But what will eventually happen without it is the dirt and soil washed into the basin will fill it up in a few years. How may...
Just curious about the nature of the problems caused by filter fabric. The fabric, over time, clogs with sediment? then what? Other issues? Thanks for sharing...
I am working on bioretention unit with an under drain and wanted to know if there a specific type of filter fabric that should be specified to separate the...
What are the disadvantages of NOT installing a grass filter strip around the perimeter of a bioretention cell? Is it feasible not to install a grass filter...
Note: There is a typo in the previous message. I said: "The filter materals should be relatively uniform in size - i.e., d-90/d-10 ¡Ý 3 to 4" it should...
There have been several posts lately regarding pea gravel and fabric filter layers for a variety of uses. The design of bioretention units initially included...
Keith - The grass filter strip is used to remove fine sediments before runoff enters the bioretention unit. There are lots of examples of bioretention units...
All - Sorry again. I wasn't aware that the Yahoo message board didn't allow the use of Unicode symbols. In the above message, the text with the capital U with...
Hello all, Some time back I posed a question, which was written poorly and unclear. Sorry for that. Here is my second attempt: I have been referencing a...
If you do not want the water to get into the subbase of the pavement - you would probably want to more the gravel area further from the pavement and have a ...
I am looking for some references on recommandations and not resolved issues for the utilisation of bioretention in cold climates. I am a new member from...
Hi Maria - As a start, you may want to try: 1) http://www.diva-portal.org/ntnu/abstract.xsql?dbid=1472 A doctoral thesis you can download titled: "Bioretention...
Greetings all. I've built a large rain garden to handle the outflow of 3 downspouts. The garden is on a slope, so I put in a series of berms and swales on...
The (fairly) new Minnesota Stormwater Manual has much info on cold climate issues: http://www.pca.state.mn.us/water/stormwater/stormwater-manual.html Jesse ...
Jesse Schomberg
jschombe@...
Apr 10, 2007 1:50 pm
167
I've used the pea gravel diaphragm on all of my designs here in Maryland. On one large parking lot project (9 separate bioretention facilities in landscape...
Hello, I am looking for information regarding bioretention swales. I am on the hunt for technical info and journal articles. In particular, I am curious if...
I am an editor at Organic Gardening magazine, and we are planning a story about residential rain gardens. We need 3 or 4 attractive, colorful well-kept rain...
Is it incredibly expensive and/or even feasible to retrofit an existing major road median/boulevard to a bioswale? This is a typical raised boulevard with curb...
I was wondering if I could get some examples of hydrology calcs for bioswales, bioretention areas, etc. We are required to treat the 2 year storm. I'm in a...
Would anyone have an example of a design/build RFP for a pervious paver installation? Might be slightly off topic for this group but would appreciate any help....
We are interested as well here on Montgomery County, MD on teh other side of hte country with often Clayey soils as well. So any help is appreciated ... From:...
I would use Win TR-55 for hydrology for basic bioretention since it willl output both peak discharge and runoff volume. Its available free through the NRCS...
I like TSA online "plug and chug" methods. Here is the link. http://www.mdswm.com/bioretention_module.htm Keith Depp - Stormwater Engineer Department of Public...
Hey folks, The DC metro area has recently been subject to extended drought (as much of the eastern seaboard). We have had some recent heavy downpours, but I...
I am not a fan of the rainbarrels generally available in the US because they are too small as well as ugly. In multiples, they are a poor use of space and make...
