[Greenbuilding] Flip-flops bad for feet, life safety ... (was Re: Heat pump vs radiant)
RT
archilogic at yahoo.ca
Sun Jul 28 10:41:25 CDT 2013
On Sat, 27 Jul 2013 08:07:24 -0400, Alan Abrams
<alan at abramsdesignbuild.com> wrote:
> well, here's a thought (and a flip flop from my initial reaction); that
> the huge volume of soil stockpiled in the tires (and used as interior
> wall
> finish?) could be a hygrometric flywheel.
(Or so the woman (a New Yawker BTW) on a CBC radio program argued, last
week sometime.)
I think that AA-man's (and Ross Elliot's) first reactions to the idea of
the Earthship in NY state were accurate. Those off-the-cuff reactions
(which in Ross's case was construed as being smugness) were based on
expertise gained through knowledge gained through a lifetime of experience
so not at all unreasonable.
I would have been far less charitable than either if I had offered any
comments since having dismissed the notion as a bad one for Cold Climate
regions, in the previous millennium.
The first clue that the proposal was on the wrong track was that the
owners had already made the typical mistake that aspiring Earthshippers
make more often than not -- they think that because they're using free,
salvaged tires into which they use their onw "free" labour to pound
dirt-cheap dirt, combined with the hyperbole about ES's minimal space
heating/cooling requirements ... they can afford to design a building that
is often a minimum of three times larger in area than anyone designing a
responsibly-Green building would contemplate.
So then, within a decade or so down the road, after having spent a good
portion of their recent lives performing the thoroughly unpleasant
drudgery of hauling/schlepping/stacking discarded petro-stew waste product
and pounding tonnes of dirt into them (while not even having had the
pleasure of being able to sing prison work gang songs) after the let-down
of reality sets in and being unable to find anyone willing to buy the
thing, it ends up being yet another abandoned, man-made carbuncle on the
landscape .
Unfortunately, the carbuncle, being comprised of a large quantity of
discarded tires which in most jurisdictions is officially considered to
be "harzardous waste" and as such becomes a legal liability for whomever
gets stuck with the property.
Hygrothermic flywheel ? Ehhhh... don't think so.
For hygro-anything contribution to space conditioning, the hygro and the
therms would first have to make it past the thick,
air/moisture-impermeable petro-chemical stew barrier that has been
reincarnated into condoms for dirt ... and that's after assuming that they
first make it past the thick layer of plaster (which optimistically would
be detailed to be an effective air barrier) first.
If the owners are keen on having pounded dirt for their walls, rather than
looking at a model designed for the desert southwest, they might give some
consideration to a model designed for a climate with which they have more
in common ... say like the insulated-core rammed earth buildings that
former GB listmember Meror Krayenhoff developed for British Columbia in
the early 1990s and has had the opportunity to fine-tune in the interim.
http://www.sirewall.com/about/sirewall-system/
And unrelated to the above, please consider signing this petition:
https://secure.avaaz.org/en/australian_coal_disaster_global/?bqYrweb&v=27495
--
=== * ===
Rob Tom AOD257
Kanata, Ontario, Canada
< A r c h i L o g i c at Y a h o o dot c a >
(manually winnow the chaff from my edress if you hit "reply")
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