John Olivo

The vertical walls based on hydroponics are fundamentally unsustainable.They rely on constant monitoring by humans, they are artificial lige supporting systems unless they are fully emulating conditions that exist in nature which is rare. Unless a system is developed that invites spontaneous colonisation by plants – like porous sponge ceramics or…[Read more]

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Tanya, thanks for the advice. My first option would be to get professional experience in restoration design before I go back to school and I’m very much looking into that but also looking to keep my options open. Also, thanks for the advice about the portfolio, that’s something that I’m aware of but it slipped my mind at the time. Changing now, thanks!

Hey Charles – rather than spending more $$$ you might try an internship with someplace like Barr Engineering in Minneapolis – they have a lengthy restroration portfolio. If you want hands-on experience you might call them to ask who does the installation of their projects. Ann Riley’s Waterways Restoration Institute in Berkley, CA might be a g…[Read more]

The “felt” fabric. Blanc’s installations has two layers of fabric that he drips his water/fertilizer solution through. This is a non-soil installation. The plants root into the fabric and fed by the solution.

Hey Charles.. what do you mean by nonwoven material for a base? Are you referring to the waterproof backing or the felt?

Deltalok USA can provide a solution to to erosion control, vegetated retaining walls, strembank restoration and virtually any soil stabilization project with a GREEN product that reduces GHG by 97% over hardscapes.

I’ve used a variety of green roof techniques which have been more or less successful. I’m gathering information about what folks have done with green walls, the materails they have used and their success. I’ve read quite a bit about Patrick Blanc’s work but keep wondering about maintenance and costs. I’m currently looking into the nonwoven…[Read more]

Hey Jason, looks like the department has decided to ask you to lecture this coming Fall. I know it seems like it has taken forever, and I apologize but we have been very busy restructuring our program and interviewing potential department heads. The good news is that they still want you to come and lecture and the program is doing great. I also…[Read more]

Thanks Jason. Will have to get hold of his new book as well.

Has anyone used epiphytes on green walls, and if so what success rate did you have. How did you attach them to the walls, simply on a wire trellis structure or did you use something more intricate – any info would be great!

Re Justin and Glass Factory Brownfield conditions.
Is there contamination of anything other than “broken glass” and in what condition would that contaminate be? .. Glass is just another form of sand, I wonder if you could tumble the contaminated ground in something like what they tumble new bricks to make them look old. Smooth off the edges, maybe…[Read more]

In regards to mitigation measures for the redevelopment of brownfield sites, the two design options that I am most familiar with, is to install a 40mil impervious linear and or install 3′ of clean fill.
The basic concept is that you are capping the areas of contaminated soils with a liner or with soil.

In regards to the impervious liner,…[Read more]