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Support for Use of PVC Pipes in Aquaculture Systems

Dear Mr. Godsil:

Thank you for your E-MAIL and I will be happy to provide my opinion regarding the use of PVC from my years in Aquaculture. For 40+ years - we have provided Consulting, Systems Design for Aeration, Water Pumping, Water Filtration, Heating and Chilling systems. We also have a sister company - Aquaticas Construction that provides Installation, Start Up and Training to facilities. Over our 40+ years, we have designed many of the worlds largest Aquaculture Facilities along with Exhibits at most major Zoos and Public Aquariums worldwide.

On all systems - we use PVC Pipe (typically SCH 80). We use SCH 80 not only due to its professional look, but because it can handle higher pressures and temperatures compared to others (SCH 40, etc.). We all know what goes into manufacturing PVC and what can be released int he event of fires, etc.. but this is typically under extreme circumstances. In standard operation - PVC provides the best chance for longevity and durability - especially in corrosive environments. Compared to traditional pipes used in other disciplines such as Copper Pipe and others - PVC is the most economical and least hazardous to the animals which is why it is use din a majority of systems.

Under normal circumstances where you are using PVC Cement, etc to secure the pipes - I would not see much of an opportunity for exposure to humans handling same. Lastly - I have never heard of aquatic animals being harmed form leaching of PVC Pipe, whereas, I have heard of it occurring from Copper Pipe, etc.. We deal with some of the most sensitive animals and have never heard of any fateful occurrance from PVC.

I hope this provides a response that will provide a little more insight. Please feel free to contact myself or any of our staff for additional information or assistance.

Best Regards,

Jason E. Mulvihill
President
AREA AQUATICAS CONSTRUCTION
Gold Sponsor of World Aquaculture Society

Sweet Water Prose(first draft) in Response to NYT Thomas Friedman Essay: “The Inflection Is Near?”

Seeking your “idears” in resonse to these concepts!

“We created a way of raising standards of living that we can’t possibly pass on to our children,” said Joe Romm, a physicist and climate expert who writes the indispensable blog climateprogress.org. We have been getting rich by depleting all our natural stocks — water, hydrocarbons, forests, rivers, fish and arable land — and not by generating renewable flows.

Sweet Water does not deplete our natural stocks. Sweet Water is blazing new trails in ecological industrial parks that generate renewable energy flows!

“You can get this burst of wealth that we have created from this rapacious behavior,” added Romm. “But it has to collapse, unless adults stand up and say, ‘This is a Ponzi scheme. We have not generated real wealth, and we are destroying a livable climate …’ Real wealth is something you can pass on in a way that others can enjoy.”

Sweet Water is generating real wealth with methods in harmony with nature’s ways.

Over a billion people today suffer from water scarcity; deforestation in the tropics destroys an area the size of Greece every year — more than 25 million acres; more than half of the world’s fisheries are over-fished or fished at their limit.

Sweet Water supports efforts to cleanse our rivers, lakes, and seas. In the meantime we are sparking an industry that will provide fish raised in clean waters in response to our need for environmentally friendly high protein foods.

“Just as a few lonely economists warned us we were living beyond our financial means and overdrawing our financial assets, scientists are warning us that we’re living beyond our ecological means and overdrawing our natural assets,” argues Glenn Prickett, senior vice president at Conservation International. But, he cautioned, as environmentalists have pointed out: “Mother Nature doesn’t do bailouts.”

One of those who has been warning me of this for a long time is Paul Gilding, the Australian environmental business expert. He has a name for this moment — when both Mother Nature and Father Greed have hit the wall at once — “The Great Disruption.”

“We are taking a system operating past its capacity and driving it faster and harder,” he wrote me. “No matter how wonderful the system is, the laws of physics and biology still apply.” We must have growth, but we must grow in a different way. For starters, economies need to transition to the concept of net-zero, whereby buildings, cars, factories and homes are designed not only to generate as much energy as they use but to be infinitely recyclable in as many parts as possible. Let’s grow by creating flows rather than plundering more stocks.

Sweet Water living technologies contribute to “net-zero” growth, i.e. buildings, cars, factories, and homes are designed to be as “infinitely recyclable” as possible. This is growth by “creating flows,” not plundering our stocks.

Gilding says he’s actually an optimist. So am I. People are already using this economic slowdown to retool and reorient economies. Germany, Britain, China and the U.S. have all used stimulus bills to make huge new investments in clean power. South Korea’s new national paradigm for development is called: “Low carbon, green growth.” Who knew? People are realizing we need more than incremental changes — and we’re seeing the first stirrings of growth in smarter, more efficient, more responsible ways.

Sweet Water hopes to contribute to economic growth that is smart, efficient, resonsible. “Less carbon, green growth!”

In the meantime, says Gilding, take notes: “When we look back, 2008 will be a momentous year in human history. Our children and grandchildren will ask us, ‘What was it like? What were you doing when it started to fall apart? What did you think? What did you do?’ ” Often in the middle of something momentous, we can’t see its significance. But for me there is no doubt: 2008 will be the marker — the year when ‘The Great Disruption’ began.

When “The Great Disruption” began, Sweet Water was jump starting the transformation of old instustry slums into ecological industrial parks.

Summary

Sweet Water does not deplete our natural stocks. Sweet Water is blazing new trails in ecological industrial parks that generate renewable energy flows!

Sweet Water is generating real wealth with methods in harmony with nature’s ways.

Sweet Water supports efforts to cleanse our rivers, lakes, and seas. In the meantime we are sparking an industry that will provide fish raised in clean waters in response to our need for environmentally friendly high protein foods.

Sweet Water living technologies contribute to “net-zero” growth, i.e. buildings, cars, factories, and homes are designed to be as “infinitely recyclable” as possible. This is growth by “creating flows,” not plundering our stocks.

Sweet Water hopes to contribute to economic growth that is smart, efficient, resonsible. “Less carbon, green growth!”

When “The Great Disruption” began, Sweet Water was jump starting the transformation of old instustry slums into ecological industrial parks.
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Internet’s First 5,000 Days Suggests We Can Access Much of the Best Information About Aquaculture

A brilliant Irishman’s lecture on the first 5,000 days of the internet Has inspired in me the notion that I can probably, with not that much work, Access just about the most advanced information/knowledge about an issue The planet has to offer.

I assure you that this man merits your attention for a few minutes at…

http://www.ted.com/index.php/talks/kevin_kelly_on_the_next_5_000_days_of_the_web.html

Geothermal Information

The Washington Park library is heated primarily by geothermal with additional passive solar heating.

http://www.focusonenergy.com/files/Document_Management_System/Renewables/W_RW_MKCS_Washington_Park_Library.pdf

Also more on geothermal in Wisconsin

http://www.focusonenergy.com/Information-Center/Renewables/Fact-Sheets-Case-Studies/Geothermal.aspx

There is a problem in some of the soils locally as far as drilling. I’ve spoken with people that have drilled around here and they say you need the big rig in some cases. In other cases a drill rig that can be easily towed to a site will work.

Crafting Live Work Teach Market Modules for Permaculture Renewals

Solar City Fish Farm at Sweet River Village

http://www.milwaukeerenaissance.com/Main/PermacultureMovement

Let’s say that we have 5 acres of land astride 2 acres of industrial slum buildings,
We can call the Sweet River Village.

About a quarter acre of the building complex “God willing,” is to be an anchor fish vegetable farm, We’ll call the Solar City Fish Farm.

Choose your own anchor project!

It is not known at the start if the other buildings will stay or go.

There is no master plan for developing the entire 7 acres, other than a commitment
To pursue permaculture design principles as best as possible, with a focus on
Solar architecture and technologies, including “solar food” along the lines of
Will Allen’s Growing Power permaculture based fish and vegetable farming.

http://www.milwaukeerenaissance.com/GrowingPower/HomePage

And an exuberant embrace of chaordia(!), i.e.
The more or less harmonious balance of
Order and chaos,
Cooperation and competition.

This is something new.
Impossible in theory, perhaps
Possible in practice.

http://www.ted.com/index.php/talks/kevin_kelly_on_the_next_5_000_days_of_the_web.html

Complimentary Live Work Teach Market “Nucleus Hamlet”

So why not start with the notion of co-creating a nucleus hamlet
That is configured in a way that attracts thoughtful, compassionate, and competent
Tenants/Owners with an array of skills of value of the anchor fish vegetable farm project,
I.e. Solar City Fish.

Note that Solar City Fish is a project at a building in the Sweet River Village,
But it is also a methodology to be replicated as appropriate, perhaps
In other buildings or grounds at Sweet River, perhaps in other areas of the host city,
Perhaps in other cities!

Permaculture “Ark” Dwellers

People with some mix of the following skills would be good “partners”:

  • urban aquaculture
  • construction and restoration trades
  • IT, architecture, design, and engineering
  • Marketing, community organizing, family therapy
  • Artists, researchers, and teachers, including

photography, film, graphics, music, writing, and dance

  • auto and appliance mechanics
  • east west north south medical practioners

This list is neither inclusive nor exclusive.
All of God’s authentic children are welcome
To these kinds of hamlets!

Adaptive Permaculture Homes, Studio/Workshops, and Gardens

So we aim to create structures that follow small is beautiful design principles

http://www.milwaukeerenaissance.com/Main/SmallIsBeautifulDesignFeatures

As well as practical solar architecture and technologies.

http://www.californiasolarcenter.org/history_solarthermal.html

These structures might well be modules that can be added to
As the tenant/owner increases investment or invites others to their place,
Which for some, many, or all of the participants will afford a place to live,
But also a place to craft, create, teach, or market.

Small footprints of 20 by 25 ft. for living and for some working, teaching, & marketing,
Can be greatly enhanced by large south and west facing windows with balconies,
And easy rooftop access where a food garden grows.

Larger and perhaps smaller places may make sense as well!

Modular and Mobile?

Would it not be a good thing to imagine some of the modules to be mobile?
This would allow for re-locating on the Sweet River site as necessary,
But also taking some, much, or all of the hamlet to another
Industrial Slum Transformation site.

And how about your thoughts?

Grateful,

Godsil

Waste Heat Producing Industries and Mondragon Worker Co-op Fish Vegetable Farms

Dear All,

Would anyone be up for a partnership of 36.5 years,

Aiming to

  • discover the heat waste producers in Milwaukee

Or your city!

  • discover empty lots next to heat waste producers

  • partner with he heat waste producer companies

  • to grow fish for/with their workers and owners

  • create veggie farm on their(our?) roofs

  • open farmers market across the street

  • open Riverwest Co-op style food source too!

  • and Amaranth Bakeries for all!

The brilliant economic breakthroughs by the
Mondragon Worker Co-op Enterprises
Back in 1950s Spain
Might provide a worthy start for a mixed model enterprise
Marrying the producers of waste heat to the Milwaukee(your city!) good food movement

For personal and public gain!

To share is to gain!

The impossible is nothing.

Here’s what inspired this thought:

Waste Heat Producing Industries and Urban Aquaculture Projects

I can respect the knowledge of experts but I also love the DYI
frontier of knowledge that urban agriculture represents. I want to
live Ivan Illich’s ‘De-schooling Society’. I am aware that many food
production plants expend “waste heat” in the cooking/canning process.
This waste heat is safe and readily utilizable. A plan:

  1. 1 Locate such waste heat producing industries in the Milwaukee area.
  2. 2 Visit the plant to see if their is available adjacent land.
  3. 3Prepare and present a plan to utilize their waste heat to energize a

green house for aquaculture production.

  1. 4Perhaps there is limited viable options but we just need a few with

some sympathetic management.
Anyone else think this is worthwhile and interested in collaboration?
Perhaps the City and Google Earth could be of help.

Aron Corbett

What say?

Why not?

Grateful,

Godsil
http://www.milwaukeerenaissance.com/Main/HomePage

My(Our?) Corner Name at Sweet Water

That’s all I need. That’s all I want.
An obscurely located little mark,
In a remote corner at Sweet Water.

Mark enough for one life’s work!
No marble shrines can ever compare
With my(our) corner name at Sweet Water.

http://www.auri.org/news/ainjul98/tilapia.htm

Check out this story about a guy raising Tilapia in MN. He has developed two fish farms, 1 in MN and 1 in South Dakota, which rely on the waste heat from factories for 90% of their energy cost. It would seem that the 1st place to go to find out about waste heat producers would be the city.

Aron

Resources for Aquaculture Projects in Old Industrial “Slums”

Gloria Rivera of Bioneers and Fish Industry Curriculum Help for Schools

Things are beginning to come together. Gloria Rivera of Bioneers is working on a project funded by the Fish Industry to introduce a community-building curriculum in our schools. Look for a column that Shea will be writing soon on this . My sense is that people on the ground are not waiting on the Obama administration to solve the life and death problems of our dying cities and our imperiled planet.

”Landscape Architecture” Magazine

Has interesting ecologically oriented projects featured (actually, probably in every issue.

American Society of Landscape Architects(ASLA) On Line Mag: “The Latest Dirt”

They give the names and companies of real companies, and that way you can read more or follow up with the real people.

Both may be ways of getting in touch with people who are attempting to restore brown fields to usefulness and relevance and safety again.

Michael Van Valkeburg

His project in Pittsburgh, PA involved the former sites of the steel mills,

DIRT Studio

Their attempt to create a garden in western PA in a reclaimed strip mining area that had acid runoff that had to be remediated.

”Cradle to Cradle”

Now Bill McDonough is a guy who does projects that have much in common with your way of thinking — he used too be the Dean of the U of Virginia school of Architecture and he formed a consulting firm with a chemist named Michael Braungart from Greenpeace and they just started researching and inventing all these much greener ways to do architecture and landscape architecture. Look up his work on the Rouge River Ford plant — redid the lighting so workers could work in daylight, added plants inside to make it human and also clean the air, put in green roofs — and it was an inch away from being mothballed as a brownfield when he started.

John Todd

Constructed wetlands, which reminds me a lot of John Todd’s work creating sane and sustainable water treatment.

Engineers Without Borders

Who primarily work in third world countries, but you might find some folks who have done a lot with aquaculture.

Rhizome Collective Works on Aquaculture and Brownfield in Austin

I hope someone will make contact with these folks!

Toolbox for Sustainable City Living

Please share some of their best ideas with us at this site if you know how to wiki!

Milaukee’s Fernwood Montesory Aquaculture Greenhouse

Our local public radio station WUWM 89.9 FM had a great story this
Friday morning about the aquaculture-bearing greenhouse at Fernwood
Montessori School here on Milwaukee’s south side. The full text of the
story is on the web site, along with the audio and some pictures from
the greenhouse.

http://wuwm.com/programs/news/view_news.php?articleid=4226

I had the pleasure of touring the facility and meeting the greenhouse
instructor Matt Ray a few weeks ago after one of our Anodyne Moments.
It’s wonderful to have this in a Milwaukee public school, and I’m glad
word is getting out. We do need to have more hands-on agri/aquaculture
in Milwaukee schools. As Matt said, “Give the kids twenty minutes in
the greenhouse each day, and you can throw the Ritalin away.” Be it
the large fish or the good food crops that they grow, or the two giant
slimy bullfrogs that live there, I know the kids must love it. Quite
simply, we need much more of this kind of healing, truly
life-affirming experience available in our schools.

Web Links

Source: Jonathon Wood’s The Urban Aquaculture Manual
http://www.webofcreation.org/BuildingGrounds/aqua/Chap4.html

http://ext.msstate.edu/anr/aquaculture

Access to Mississippi State University’s excellent collection of aquaculture extension information.

www.kloubec.com

- A major tilapia producer in Iowa, their site gives a good overview of this species.

www.itv.se/rainbow

- Swedish farmers who grow trout and vegetables in a recirculating system,

www.townsqr.com/snsaqua

- Home page of the Sperraneo family who are successful aquaponic farmers in Missouri.

www.cropking.com/store/AquaM/AquaSystem.htm

A large-scale and high-tech aquaponic system made by a major hydroponic equipment manufacturer.

www.jeffcook.com/hbpond.htm1

Jeff’s half -whiskey-barrel page, while not quite as funny as Eric’s is also full of information. He has a lot of different opinions from Eric, but the two end up with the same thing in the end. Jeff ‘s links are extensive.

www.livingmachines.com

The Living Technologies company site. This site is John Todd’s consulting site. There are some interesting photos, information, and links, as well as examples of how Todd has applied living machines to industrial problems.

ag.arizona.edu/azaqua/tilapia

- A large but disorganized site containing lots of information about tilapia.
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Last edited by Tyler Schuster. Based on work by Godsil.  Page last modified on May 20, 2009

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