Project: Casa Cosmica
Posted by Juan Manuel Burgos about 12 years ago
During some time we did not even notice about this little thing to be done beacuse the outdoor kitchen was not being used. But when summer definately arrived, it's use became more and more frecquently, up to the point where the indoor kitchen was not used anymore. With this came not only joy because of the nice weather to be outside, but also the little issue that the drainage from the sink was directly pouring outside, with no treatment system at all. Luckyly it's quite small, so no big troubles happened, other than a little bit of smell if too many organic matter passed through the filter, or too much water poured, being collected nearby and wetting your feet when you went through.
Something had to be done, and after reading some information on the matter, specially oasis design making an oasis with greywater, i figured out a way to solve it. I decided to go ahead with a system inspired in the mulch basin design and mix it with one system we've made once on a house in El Bolson with the natural construction master Jorge Belanko, based on a big pit that had several layers of gravel, sand and earth one after another so as to filter greywater and make it available for watering or just infiltrate it directly on the soil. I guess only time will tell if i was right on the aproach, at least it seems to work fine and no trouble arose during the time i could see and experience it working. I guess one probable issue would be too much water being poured, since the soil clay content it's quite high, that requiring more distance for the basing to deal with the water because of high percolation rates.
I attach a drawing (sorry for the low quality of it, hope it helps to see how it's done) and some pictures of the final results.
On the basins you can see some Lilium bulbs planted to make wise use of the water as well as clean it a little bit. On the sides there are some Canna Indica rhizomes for the same porpouse. The separator chamber has 2 drainage baisins, just in case one gets full quickly, it can go to the other one. Both end up irrigating some Bamboo and mints thare are located relatively near. On top of the basins i placed some sawdust and then straw that prevent odors and animals (and persons) stepping on it.
For sure this can be done far better than it actually is, but as i said, it seems to work. Please share your opinions and tell me if you would've done it differently so as to inspire my future designs on this matter.
Hope you liked it and serves as an inspiration
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