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Re: GSBN:Re: A question about quantification of carbon sequestration in a bale and bale structures bale and bale structures



I support the nomination!

Joyce


> If Robert Wimmer is not yet a member of GSBN I would like to propose
> him as a member. He is most probably the strongest advocate for SB
> building In Austria and his institute GrAT is doing invaluable work for
> the International SB community. They have doen extensive testing and I
> am sure they can give quite accurate numbers regarding the ecological
> footprint of SB.
>
> Rene
> On Aug 30, 2006, at 11:45, Rene Dalmeijer wrote:
>
>> One of the discussions that was done recently regarding sustainability
>> was done how many earths ie how much natural resources are required to
>> give everybody the same type of housing as us USA-Western Europe. It
>> turns out we would need the resources of about 10 earths, therefore not
>> sustainable.
>>
>> Based on this GrAT <a  target="_blank" href="http://www.grat.at/cgi-bin/news.pl";>http://www.grat.at/cgi-bin/news.pl</a> amongst others
>> developed the concept of the factor 10 house. A building that uses 10
>> times less resources then conventional building technology. A recent
>> project completed in 2005 is the S-house a zero energy house it uses
>> less energy then it creates. In this case sequestration becomes quite
>> important as building becomes the main negative ecological impact the
>> building has on the environment.
>>
>> Rene
>> On Aug 30, 2006, at 02:13, Derek Roff wrote:
>>
>>> My thoughts are in harmony with all who have commented so far.  This
>>> discussion is helping me think about the question in more depth.  I
>>> agree
>>> with David that we can't ignore the little things.  Although cases
>>> will
>>> vary, little things can sometimes add up rapidly.  For example, while
>>> I
>>> argued that the amount of carbon in the bales is fairly small, David
>>> pointed out that we might compare that to burning the same straw.
>>> Andre
>>> mentioned comparing SB to the carbon used when employing other
>>> building
>>> materials.
>>>
>>> When we compare building with steel or brick and burning several tons
>>> of
>>> straw, to building with straw and (hopefully) not burning that straw,
>>> then
>>> the carbon sequestration embodied in the building materials choice is
>>> multiplied.  Using Andre's figures, choosing to build with straw locks
>>> up
>>> more than ten times the carbon that is simply contained in the bales.
>>> This
>>> is before we look at energy savings.  That is an important
>>> calculation.
>>>
>>> All of which makes David's job harder, because he now has to figure
>>> out the
>>> relative carbon impacts of building with SB versus each alternative.
>>>
>>> Derek
>>>
>>> Derek Roff
>>> Language Learning Center
>>> Ortega Hall 129, MSC03-2100
>>> University of New Mexico
>>> Albuquerque, NM 87131-0001
>>> 505/277-7368, fax 505/277-3885
>>> Internet: derek@...
>>>
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>>
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>
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