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Re: GBlist: RE: Greywater (we have one)
Please do elaborate as much as possible, it's very interesting.
What exactly do you do when you clean out the system?
What did you mean 4 feet of concrete beneath the planters?
What kind of plants are you growing?
You really have only 6 inches of soil? All the (very few) greywater systems
I'm seen with planters seem to have more dirt than this.
That is a very interesting point about greywater warmth in the winter. In a
house with indoor planters and greywater I guess that means we'll get that
heat back inside the house.
Bit of a bummer in the summer though, if you're trying to keep cool and
have indoor planters.
----------
> From: Leggsoid@aol.com
> To: greenbuilding@crest.org
> Subject: GBlist: RE: Greywater (we have one)
> Date: Friday, May 30, 1997 1:53 PM
>
> Folks,
> Perhaps this thread has ended and this post is late, but...
>
> I manage a passive solar office building in NH with a greywater
system
> that has operated for 16 years. The greywater from an attached apartment
and
> staff shower is piped to a funnel shaped tank (mfr. by Clivus Multrum).
As
> it enters the tank it first passes through pantyhose filters then a two
foot
> layer of crushed rock. A float in the tank center and a Dayton pump
pumps
> the water from the tank to a planted bed in a greenhouse. The greywater
> amount was calculated and the beds sized accordingly. Of course, there
are
> times when the amount of incoming greywater is much higher or lower than
> normal - without any apparent effect on the plants growing; all are
healthy.
> Perforated PVC pipe is 1" under soil surface and therefore evaporation
is
> lessened. The beds have perhaps 6" of rich soil, then gravel, then rocks
-
> total depth of concrete beds is about 4 ft. deep. A bypass valve allows
us
> to send the greywater to our septic tank when we clean out the system -
about
> twice a year. So in our case; the warm water helps maintain warmer
> temperature in the greenhouse during winter.
> I'm happy to elaborate if anyone is interested.
>
> Paul Leveille
> Society for the Protection of NH Forests
> 54 Portsmouth St
> Concord, NH 03301 (USA)
> 603-224-9945 x 309 (voice mail)
> 603-228-0423 (fax)
> leggsoid@aol.com (E-mail)
> http://www.spnhf.org
> __________________________________________________________________
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