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	<title>sustainablehouse.com.au &#187; water management</title>
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	<link>https://archive.sustainablehouse.com.au</link>
	<description>Michael Mobbs Sustainable House</description>
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		<title>Rafting the Franklin, 27 Dec 14 – 2 January 15</title>
		<link>https://archive.sustainablehouse.com.au/2015/01/rafting-the-franklin-27-dec-14-2-january-15/</link>
		<comments>https://archive.sustainablehouse.com.au/2015/01/rafting-the-franklin-27-dec-14-2-january-15/#comments</comments>
		<pubDate>Sun, 04 Jan 2015 22:25:39 +0000</pubDate>
		<dc:creator>Michael</dc:creator>
				<category><![CDATA[Blog]]></category>
		<category><![CDATA[Biodiversity]]></category>
		<category><![CDATA[water management]]></category>

		<guid isPermaLink="false">http://sustainablehouse.com.au/?p=4592</guid>
		<description><![CDATA[The only way to see the Franklin River close up is by raft or kayak.  You can fly over it, but to see it in all of its moods, to dwell along its shores, to see the platypus at play, you have but one choice and that is hop into a raft. &#160; Alongside 11 [&#8230;]]]></description>
				<content:encoded><![CDATA[<div id="attachment_4591" class="wp-caption aligncenter" style="width: 665px"><a href="http://archive.sustainablehouse.com.au/wp-content/uploads/DSCN0235.jpg"><img class=" wp-image-4591  " alt="The island photographed by Peter Dombrovskis that became the image for the campaign to save the Franklin river from being flooded by a dam" src="http://archive.sustainablehouse.com.au/wp-content/uploads/DSCN0235-1024x768.jpg" width="655" height="491" /></a><p class="wp-caption-text">The island photographed by Peter Dombrovskis that became the image for the campaign to save the Franklin river from being flooded by a dam</p></div>
<p>The only way to see the Franklin River close up is by raft or kayak.  You can fly over it, but to see it in all of its moods, to dwell along its shores, to see the platypus at play, you have but one choice and that is hop into a raft.</p>
<p>&nbsp;</p>
<p>Alongside 11 other people led by three licensed guides, I rafted its rapids for seven days and camped in the wilderness under open skies or tarpaulins when it rained.</p>
<p>&nbsp;</p>
<p>Constant noise from the start of cascading river water and waterfalls down the ravine walls. Wetness and trees everywhere, always, and my flesh wet always, too.  By day three I smelt doggish.</p>
<p>&nbsp;</p>
<p>About six or so rapids were un-navigable &#8211; too dangerous, usually where the ravines narrow.  To avoid them, and to get the rafts and gear over or around is difficult. Ropes are sometimes the only way to climb these, where I pulled myself up by hand, standing out from the cliff face and suddenly trusting the rope and iron picks fixing the rope I’ve only just met, all the while with a 20kg pack on my back to share the moment with: I found this focused my mind.</p>
<p>&nbsp;</p>
<p>Without mobile phones, no reception, no watches or jewellery it’s unavoidable to lose track of time.  Yesterdays became lifetimes ago.  The time of the day became marked by sun and shade. Without seeking it, the only time became now.</p>
<div id="attachment_4599" class="wp-caption aligncenter" style="width: 778px"><a href="http://archive.sustainablehouse.com.au/wp-content/uploads/DSCN0213.jpg"><img class="size-large wp-image-4599" alt="Me, a few days into the river" src="http://archive.sustainablehouse.com.au/wp-content/uploads/DSCN0213-768x1024.jpg" width="768" height="1024" /></a><p class="wp-caption-text">Me, a few days into the river</p></div>
<p>&nbsp;</p>
<p>There’s nothing like rafting the Franklin to focus a man’s mind.</p>
<p>&nbsp;</p>
<p>Life alternately shrinks down to, “Am I wet or cold, or, about to drown?”, and opens out to, “This is endless beauty, magic.”</p>
<p>&nbsp;</p>
<p>We saw a quoll (well two of us did) and a platypus (I would write the plural of that but the unfinished debate among fellow rafters about the correct plural compels me to only say we saw two of them – it may be some time before I return to my previous proclivities for grammar, spelling and such).</p>
<p>&nbsp;</p>
<p>Hard times were there from a growing tedious certainty that each morning I’d have to put on a wet cold wetsuit and undergarments.  Rotten stuff. After ‘wetting up’ (formerly known as getting dressed) and climbing on the raft so the body that was mine in it floated off for the first time of the day it was the risks and new world of the next bend and rapid which dispelled my cold wetness to somewhere  in what was becoming an expanding animal me.</p>
<p>&nbsp;</p>
<div id="attachment_4601" class="wp-caption aligncenter" style="width: 778px"><a href="http://archive.sustainablehouse.com.au/wp-content/uploads/DSCN0134.jpg"><img class="size-large wp-image-4601" alt="Waterfalls, every 100 or so metres" src="http://archive.sustainablehouse.com.au/wp-content/uploads/DSCN0134-768x1024.jpg" width="768" height="1024" /></a><p class="wp-caption-text">Waterfalls, every 100 or so metres</p></div>
<p>Seven days and two good sleeps, the best on the last night.</p>
<p>&nbsp;</p>
<p>Then what a note some of us ended on. Six of us took off in a seaplane in calm, generous sunlight.</p>
<p>&nbsp;</p>
<div id="attachment_4597" class="wp-caption aligncenter" style="width: 829px"><a href="http://archive.sustainablehouse.com.au/wp-content/uploads/DSCN0316.jpg"><img class=" wp-image-4597 " alt="The Franklin from our seaplane after we cleared it's cliffs" src="http://archive.sustainablehouse.com.au/wp-content/uploads/DSCN0316-1024x768.jpg" width="819" height="614" /></a><p class="wp-caption-text">The Franklin from our seaplane after we cleared it&#8217;s cliffs</p></div>
<p>The seaplane was only able to escape the river and scale the cliffs by banking through river bends ‘til, about three bends later, enough height had been gained for us, embraced in a new roaring noise this time from the one engine (that can’t be enough, I thought) to rise high enough to see the river that had been our home and heart for the last week.</p>
<p>&nbsp;</p>
<p>But imagine this.</p>
<p>&nbsp;</p>
<p>About 40 minutes later we had a two minute descent from 5500 feet down past a mountain dominating Hobart (Mt Wellington), and made a long curving half circle to land on the Derwent river, there to taxi to a wharf just 200 metres from our hotel, The Henry Jones Art Hotel.</p>
<div id="attachment_4641" class="wp-caption aligncenter" style="width: 829px"><a href="http://archive.sustainablehouse.com.au/wp-content/uploads/DSCN0339.jpeg"><img class=" wp-image-4641 " alt="Flying down to 'land' on the Derwent river then taxi to Constitution Dock where we walked to the nearby Henry Jones Art Hotel" src="http://archive.sustainablehouse.com.au/wp-content/uploads/DSCN0339-1024x768.jpeg" width="819" height="614" /></a><p class="wp-caption-text">Flying down to &#8216;land&#8217; on the Derwent river then taxi to Constitution Dock where we walked to the nearby Henry Jones Art Hotel</p></div>
<p>&nbsp;</p>
<p>Sitting under the shower there, washing off a week of sweat, smells and feeling the known – ‘sane’? – world return this much seemed clear; you got to do the hard stuff to know how peace feels.  At least I did.</p>
<p>&nbsp;</p>
<p>[The food, Nant Whisky - like a butterscotch bikkie, and the clear light of Hobart can be seen in these photos - we soaked these up before the trip and I held on to memories of them:</p>
<div id="attachment_4603" class="wp-caption aligncenter" style="width: 778px"><a href="http://archive.sustainablehouse.com.au/wp-content/uploads/IMG_3511.jpg"><img class="size-large wp-image-4603" alt="Little did my smiling self know what the week ahead on the river held for me" src="http://archive.sustainablehouse.com.au/wp-content/uploads/IMG_3511-768x1024.jpg" width="768" height="1024" /></a><p class="wp-caption-text">Little did my smiling self know what the week ahead on the river held for me</p></div>
<p>&nbsp;</p>
<p>• Kylie&#8217;s review of the Water by Nature rafting trip is <a title="Kylie's review" href="http://www.tripadvisor.com.au/ShowUserReviews-g255096-d603004-r246937892-Franklin_River-Tasmania.html#REVIEWS">here</a>.</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
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		<item>
		<title>Are we responsible for our own excreta?</title>
		<link>https://archive.sustainablehouse.com.au/2014/10/are-we-responsible-for-our-own-excreta/</link>
		<comments>https://archive.sustainablehouse.com.au/2014/10/are-we-responsible-for-our-own-excreta/#comments</comments>
		<pubDate>Tue, 28 Oct 2014 23:00:05 +0000</pubDate>
		<dc:creator>Michael</dc:creator>
				<category><![CDATA[Blog]]></category>
		<category><![CDATA[Waste]]></category>
		<category><![CDATA[water management]]></category>

		<guid isPermaLink="false">http://sustainablehouse.com.au/?p=4577</guid>
		<description><![CDATA[If we choose to be a citizen, to accept responsibility for our own needs, where we can meet them, what is the boundary between the duty we have to manage our own excreta and the duties of the state? &#160; Some mo re questions and an answer in my latest Bathurst Burr column, here. Lots [&#8230;]]]></description>
				<content:encoded><![CDATA[<p>If we choose to be a citizen, to accept responsibility for our own needs, where we can meet them, what is the boundary between the duty we have to manage our own excreta and the duties of the state?</p>
<p>&nbsp;</p>
<p>Some mo</p>
<p>re questions and an answer in my latest <strong><em>Bathurst Burr</em></strong> column, <a title="excreta" href="http://www.thefifthestate.com.au/spinifex/bathurst-burr-whose-poo-is-it-anyway/68922">here</a>.</p>
<p>Lots more questions and answers in my books, <strong><em>Sustainable House</em></strong> and <strong><em>Sustainable Food</em></strong>.</p>
<p>Enjoy, M</p>
]]></content:encoded>
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		<item>
		<title>Sustainable Tip 2 &#8211; From pools to ponds</title>
		<link>https://archive.sustainablehouse.com.au/2014/02/sustainable-tip-2-from-pools-to-ponds/</link>
		<comments>https://archive.sustainablehouse.com.au/2014/02/sustainable-tip-2-from-pools-to-ponds/#comments</comments>
		<pubDate>Sun, 02 Feb 2014 23:48:05 +0000</pubDate>
		<dc:creator>Michael</dc:creator>
				<category><![CDATA[Blog]]></category>
		<category><![CDATA[Biodiversity]]></category>
		<category><![CDATA[Tips]]></category>
		<category><![CDATA[water management]]></category>

		<guid isPermaLink="false">http://sustainablehouse.com.au/?p=4434</guid>
		<description><![CDATA[After a fridge a pool will be the biggest, or it can be the bigger, energy user. An option is to change your pool to a pond and, in doing so, cut down the energy and pollution it causes due to the pump running 24/7 and the use of cleaning agents such as chlorine. How: [&#8230;]]]></description>
				<content:encoded><![CDATA[<p>After a fridge a pool will be the biggest, or it can be the bigger, energy user.</p>
<p>An option is to change your pool to a pond and, in doing so, cut down the energy and pollution it causes due to the pump running 24/7 and the use of cleaning agents such as chlorine.</p>
<p><strong>How:  </strong></p>
<p>Put some plants in, change to a low power, low energy pump, or simply turn yours off.</p>
<p><strong>Why:  </strong></p>
<p>The water is easier to maintain, the yukky chlorine smell is gone, the plants do the cleaning for you, and if you do it well it becomes an eye-catching thing of beauty that supports birds, insects, flowers and does not send backwashed polluted water down the sewer.</p>
<p><strong>Cost:  </strong></p>
<p>Hmm; tough one; varies with size and design:  should be cheaper in the long run as the plants will do the cleaning and your running costs will reduce &#8211; sorry, on this one I can&#8217;t give a figure but a guestimate of a couple of thousand dollars should see you home and wet.</p>
<p><strong>Details:</strong></p>
<p>The water is safe for swimming, cleaned by the plants and slowly moving water. This and other data and ideas is on a council website which is leading the way here with a policy called &#8220;<a title="Pool to pond" href="http://www.kmc.nsw.gov.au/Projects_and_initiatives/Council_initiatives/Environment_sustainability/What_we_are_doing/Our_community_programs/WildThings/Pool_to_Pond">From pools to ponds</a>&#8220;, Kurringai Council.  Their site says:</p>
<p style="padding-left: 60px;">&#8220; Why not join the more than fifty other Pool to Pond converts and go with an eco-friendly, cost-effective alternative that promotes biodiversity?</p>
<p style="padding-left: 60px;">We have been assisting local residents to convert their unwanted swimming pools into ponds since 2007 by supplying native fish, aquatic plants and technical advice for the conversion.  &#8221;</p>
<p>And search on the web with &#8220;natural pools&#8221; where there are useful images.</p>
<p><a href="http://archive.sustainablehouse.com.au/wp-content/uploads/Unknown.jpeg"><img class="aligncenter size-full wp-image-4438" alt="Unknown" src="http://archive.sustainablehouse.com.au/wp-content/uploads/Unknown.jpeg" width="307" height="164" /></a></p>
<p>And here&#8217;s a pdf with some design ideas: <a href="http://archive.sustainablehouse.com.au/wp-content/uploads/Natural-pools-1.pdf">Natural pools-1</a></p>
<p>Glug, glug, glug . . . dive in you lot,</p>
<p>M</p>
<p>&nbsp;</p>
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		<title>What sewage system for me?</title>
		<link>https://archive.sustainablehouse.com.au/2013/10/what-sewage-system-for-me/</link>
		<comments>https://archive.sustainablehouse.com.au/2013/10/what-sewage-system-for-me/#comments</comments>
		<pubDate>Mon, 21 Oct 2013 06:28:51 +0000</pubDate>
		<dc:creator>Michael</dc:creator>
				<category><![CDATA[Blog]]></category>
		<category><![CDATA[Waste]]></category>
		<category><![CDATA[water management]]></category>

		<guid isPermaLink="false">http://sustainablehouse.com.au/?p=4281</guid>
		<description><![CDATA[Rory has contacted me asking what sewage system he should buy.  Here&#8217;s Rory&#8217;s question: &#160; &#8220;Hello Michael, I recently bought your book (which is brilliant) as I am in the process of planning a new house to be built on Bruny Island in Tassie, and I knew that I would learn a lot from your [&#8230;]]]></description>
				<content:encoded><![CDATA[<p>Rory has contacted me asking what sewage system he should buy.  Here&#8217;s Rory&#8217;s question:</p>
<p>&nbsp;</p>
<p style="padding-left: 60px;">&#8220;Hello Michael,</p>
<div style="padding-left: 60px;"></div>
<div style="padding-left: 60px;">I recently bought your book (which is brilliant) as I am in the process of planning a new house to be built on Bruny Island in Tassie, and I knew that I would learn a lot from your practical experiences in dealing with collecting water and dealing with waste onsite. I have long been a regular visitor to your website and blog, too.</div>
<div style="padding-left: 60px;"></div>
<div style="padding-left: 60px;">I have an acre of land so I don&#8217;t have the same incredible space constraints as you, which I&#8217;m glad about!  I certainly admire your principles and your perseverance (in Sydney!!!!), the sustainable house continues to be just an amazing undertaking! I&#8217;m doing all this by necessity, not by choice.</div>
<div style="padding-left: 60px;"></div>
<div style="padding-left: 60px;">Anyway, I thought it would be in the book but I was hoping you could tell me the brand of the agricultural filters and air blowers that you are using in your wastewater system? I may decide/be forced to buy a commercial system one day, but I want to consider what&#8217;s involved in doing something myself first (or with a consultant). I like the idea of it being modular and user serviceable and capable of being easily &#8220;re-started&#8221;, if it all goes horribly wrong.</div>
<div style="padding-left: 60px;"></div>
<div style="padding-left: 60px;">Also, I was interested in whether you&#8217;d use a similar AWTS if you lived in a rural context that treated everything, or whether you&#8217;d be tempted to employ a simple dry batch composting toilet to deal with humanure and have a AWTS that deals only with grey water? My wife would love a flushing loo, but I like the principles of source separation.</div>
<div style="padding-left: 60px;"></div>
<div style="padding-left: 60px;">Before I go, congratulations on all you&#8217;ve achieved. i think you are doing a great deal to bring about the changesthat are needed for our human world to have a future.&#8221;</div>
<div></div>
<div>And Rory said,</div>
<div style="padding-left: 60px;"></div>
<div style="padding-left: 60px;">
<div>&#8220;I&#8217;m happy to be part of the growing conversation about ethical living.</div>
<div></div>
<div>I think dealing with the technical issues of recycling water and better utilising the end products of modern living are some the biggest  issues we have. And like you, I am interested in promoting solutions for recycling that work, that are rooted in both science, pragmatism and experience, and not the schizophrenia that seems to pervade most peoples attitude to dealing with our poo (including most regulatory bodies).</div>
</div>
<div style="padding-left: 60px;"></div>
<div style="padding-left: 60px;">All the best,</div>
<div style="padding-left: 60px;"></div>
<div style="padding-left: 60px;">Rory, Switzerland&#8221;</div>
<div></div>
<div></div>
<div>Before I answer this question here I wonder if anyone else has a related question about choosing a system?</div>
<div></div>
<div></div>
<div>I&#8217;d like to provide a detailed answer here as this is a question I receive almost every week.  I&#8217;ll leave the answer for a few days so anyone may contact me about this topic with their issue then I&#8217;ll put the answer up here.</div>
<div></div>
<div>Be well, and love your water, love our planet,</div>
<div></div>
<div>M</div>
<div></div>
<div></div>
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		<title>How we save 4 million litres of rain each year for less than $300</title>
		<link>https://archive.sustainablehouse.com.au/2013/06/how-we-save-4-million-litres-of-rain-each-year-for-less-than-300/</link>
		<comments>https://archive.sustainablehouse.com.au/2013/06/how-we-save-4-million-litres-of-rain-each-year-for-less-than-300/#comments</comments>
		<pubDate>Sat, 01 Jun 2013 05:05:58 +0000</pubDate>
		<dc:creator>Michael</dc:creator>
				<category><![CDATA[Blog]]></category>
		<category><![CDATA[Biodiversity]]></category>
		<category><![CDATA[Chippo pleasures]]></category>
		<category><![CDATA[drains]]></category>
		<category><![CDATA[water management]]></category>

		<guid isPermaLink="false">http://sustainablehouse.com.au/?p=3868</guid>
		<description><![CDATA[Each year in Chippendale we save over 4 million litres of water to irrigate our road gardens.  We built the drains for this ourselves at a once-off cost of $300.  The story is here.]]></description>
				<content:encoded><![CDATA[<div id="attachment_3870" class="wp-caption aligncenter" style="width: 234px"><a href="http://archive.sustainablehouse.com.au/wp-content/uploads/IMG_11791.jpg"><img class="size-medium wp-image-3870" alt="Cutting leaky drain to size" src="http://archive.sustainablehouse.com.au/wp-content/uploads/IMG_11791-224x300.jpg" width="224" height="300" /></a><p class="wp-caption-text">Cutting leaky drain to size</p></div>
<p>Each year in Chippendale we save over 4 million litres of water to irrigate our road gardens.  We built the drains for this ourselves at a once-off cost of $300.  The story is <a title="Leaky drains story" href="http://www.thefifthestate.com.au/archives/49850/">here</a>.</p>
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		<title>What&#8217;s a good sewage system?</title>
		<link>https://archive.sustainablehouse.com.au/2013/05/whats-a-good-sewage-system/</link>
		<comments>https://archive.sustainablehouse.com.au/2013/05/whats-a-good-sewage-system/#comments</comments>
		<pubDate>Thu, 09 May 2013 04:35:54 +0000</pubDate>
		<dc:creator>Michael</dc:creator>
				<category><![CDATA[Blog]]></category>
		<category><![CDATA[water management]]></category>

		<guid isPermaLink="false">http://sustainablehouse.com.au/?p=3830</guid>
		<description><![CDATA[A beaut question lobbed into my inbox this week and here it is: &#8216;Hi Michael, First up let me tell you how much I have enjoyed your book.  It is a permanent coffee table fixture in our home at present as we are planning a new house and endeavouring to implement many of the same principles you [&#8230;]]]></description>
				<content:encoded><![CDATA[<p>A beaut question lobbed into my inbox this week and here it is:</p>
<p style="padding-left: 60px;">&#8216;Hi Michael,</p>
<div style="padding-left: 60px;"></div>
<div style="padding-left: 60px;">First up let me tell you how much I have enjoyed your book.  It is a permanent coffee table fixture in our home at present as we are planning a new house and endeavouring to implement many of the same principles you have adopted.  Infact it has been so popular on the coffee table that three guests have asked to borrow it and all now have their own copies.</div>
<div style="padding-left: 60px;"></div>
<div style="padding-left: 60px;">We are currently building a home in the Ferguson Valley, Western Australia and have run into some difficulties finding a suitable waste water treatment plant that complies with the WA Health Department&#8217;s requirements and does not have quarterly costs for inspection and chlorination.  the site we are building on is loam over clay, and the first quote we got for a conventional septic system was $12,000 (which startled me for what is essentially just a few large concrete rings and a leach drain)</div>
<div style="padding-left: 60px;"></div>
<div style="padding-left: 60px;">One of our friends installed the last new Biolytix system in WA and  was told by the disgruntled contractor that the &#8220;secret&#8221; to avoiding the costly annual repairs was to run the laundry water through a conventional greywater diversion system as apparently the it is the fibres from nylon clothes in particular which clock the system up.  Obviously as they have closed down again this is not an option for us.</div>
<div style="padding-left: 60px;"></div>
<div style="padding-left: 60px;">I was wondering if you could suggest any commercially approved alternatives that would work along the similar lines to your system and have been approved by WA&#8217;s Health Department?</div>
<div style="padding-left: 60px;"></div>
<div style="padding-left: 60px;"></div>
<div style="padding-left: 60px;">
<div style="padding-left: 60px;">Regards,Anthony Congdon&#8217;</div>
</div>
<p>&nbsp;</p>
<p>May I suggest two systems:</p>
<ul>
<li><a title="Aqua Nova" href="http://www.aquanova.com.au/">Aqua Nova</a>, and</li>
<li><a title="Fujiclean" href="http://www.fujiclean.com.au/">Fujiclean.</a></li>
</ul>
<p>I use a system similar in design to the Aqua Nova.  I built tanks to fit my small back yard &#8211; 5 m wide, ten m deep with most space already taken up by the 10,000 l rain tank.</p>
<p>My book, <strong><em><a title="Sustainable House" href="http://www.newsouthbooks.com.au/books/sustainable-house/">Sustainable House</a> 2 Ed</em></strong>, has details in the sewage chapter.</p>
<p>Basically, it&#8217;s: a settling tank; when that fills a pump transfers the primary liquid to three tanks where air is bubbled through the water 24/7 to clean the water; when the toilet or clothes washing machine goes the water is drawn from the final aerated chamber through two sand filters then past an ultra violet lamp for disinfection and voila &#8211; sterile water.  Maintenance is limited to replacing the UV lamp every two years and I do that.  About once a year I pump out sludge to fertilize my garden.  My water tests at zero faecal coliform every time and very little energy is used by the 60 watt air pump and the 20 watt UV lamp.</p>
<p>As for the red tape; both are approved by health agencies and you can get the suppliers to train you to maintain it.  You can even get a phone line hooked with a back to base alarm so that if there&#8217;s a problem the supplier will either come out or talk you through it and that&#8217;s enough to achieve the same health outcomes that  the high cost service arrangements seek.</p>
<p>Let me know if this works and any problems you have.</p>
<p>May the recycled water be with you all,</p>
<p>Michael</p>
<p>&nbsp;</p>
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		<title>Sewage and more sewage</title>
		<link>https://archive.sustainablehouse.com.au/2012/10/sewage-and-more-sewage/</link>
		<comments>https://archive.sustainablehouse.com.au/2012/10/sewage-and-more-sewage/#comments</comments>
		<pubDate>Sat, 13 Oct 2012 03:30:27 +0000</pubDate>
		<dc:creator>Michael</dc:creator>
				<category><![CDATA[Blog]]></category>
		<category><![CDATA[Waste]]></category>
		<category><![CDATA[water management]]></category>

		<guid isPermaLink="false">http://sustainablehouse.com.au/?p=3103</guid>
		<description><![CDATA[Several questions have come in about sewage. I like that.  We all excrete and the more of us who think about what to do with it the better, I hope, for our Earth&#8217;s water, soil and energy. Here&#8217;s one: &#8220;Hello Michael , A  very good book &#8230;&#8230;&#8230;. a lot of information and I will try [&#8230;]]]></description>
				<content:encoded><![CDATA[<p>Several questions have come in about sewage.</p>
<p>I like that.  We all excrete and the more of us who think about what to do with it the better, I hope, for our Earth&#8217;s water, soil and energy.</p>
<p>Here&#8217;s one:</p>
<p style="padding-left: 60px;">&#8220;Hello Michael ,</p>
<p style="padding-left: 60px;">A  very good book &#8230;&#8230;&#8230;. a lot of information and I will try to do<br />
what you have done<br />
Yesterday  I  went  to  a home show &#8230;. they had a sewerage treatment<br />
system but it was only good enough for watering the garden.<br />
He could not make it good enough to be like yours<br />
I wonder if a water filter &amp; UV lamp like yours is all that is needed to be added<br />
to make things work<br />
Do you have any brief comments to point me into the right direction</p>
<p style="padding-left: 60px;">Best regards,<br />
I&#8221;</p>
<p>&nbsp;</p>
<p>Mr I, the answer is, &#8220;yes&#8217;.</p>
<p>Add a water filter and a UV and you&#8217;re away; safe water with a system easily serviced by you or a local plumber.  The best filter is about a meter of sand; roughly equal in its capacity to kill viruses and pathogens when combined with UV to a several hundred thousand dollar reverse osmosis filter. Options for the sand filter include the one used for irrigation shown in my book, <a title="sustainable house" href="http://www.newsouthbooks.com.au/isbn/9781920705527.htm">Sustainable House</a>, or a 1500 litre to 3000 litre tank filled with sand will do the trick.</p>
<p>Ensure you keep the water flow to the UV about half the rate of its design capacity so it&#8217;s sterilizing efficiency is kept at its highest. So, for example, if the UV will handle a flow rate of 20 litres a minute keep the water flow down to 10 litres a minute.  If you&#8217;re using the water to irrigate, to flush your toilet or to wash your clothes that&#8217;s plenty.</p>
<p>May the reused water be with you, Mr I,</p>
<p>M</p>
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		<title>Making ice without electricity</title>
		<link>https://archive.sustainablehouse.com.au/2012/06/making-ice-without-electricity/</link>
		<comments>https://archive.sustainablehouse.com.au/2012/06/making-ice-without-electricity/#comments</comments>
		<pubDate>Thu, 07 Jun 2012 06:30:25 +0000</pubDate>
		<dc:creator>Michael</dc:creator>
				<category><![CDATA[Blog]]></category>
		<category><![CDATA[drains]]></category>
		<category><![CDATA[Energy]]></category>
		<category><![CDATA[Native knowledge]]></category>
		<category><![CDATA[water management]]></category>

		<guid isPermaLink="false">http://sustainablehouse.com.au/?p=2475</guid>
		<description><![CDATA[Four hundred or so years ago Persian engineers made ice without electricity. Ice houses (yakhchal in Farsi, or icehouse) kept ice in the burning heat of the Iran plateau.  They’re rarely used today. They’re up to 20 metres high and 6 or so metres below ground.  A single door is insulated with thick, dry grass.  [&#8230;]]]></description>
				<content:encoded><![CDATA[<div id="attachment_2476" class="wp-caption aligncenter" style="width: 310px"><a href="http://archive.sustainablehouse.com.au/2012/06/making-ice-without-electricity/img001/" rel="attachment wp-att-2476"><img class="size-medium wp-image-2476" title="An ice house in Iran" src="http://archive.sustainablehouse.com.au/wp-content/uploads/img001-300x258.jpg" alt="" width="300" height="258" /></a><p class="wp-caption-text">An ice house in Iran - Image from Gardens of Persia, Penelope Hobhouse, photo by Jerry Harpur, published by Floriligium (yes, the same wonderful gardening bookshop in Glebe)</p></div>
<p>Four hundred or so years ago Persian engineers made ice without electricity.</p>
<p>Ice houses (yakhchal in Farsi, or icehouse) kept ice in the burning heat of the Iran plateau.  They’re rarely used today.</p>
<p>They’re up to 20 metres high and 6 or so metres below ground.  A single door is insulated with thick, dry grass.  Thick walls, 2 metres at the base, and their shape – an inverted funnel  which allows cooling wind to spiral down the exterior – keep the ice frozen for the summer.  The walls are made of sand, clay, egg white, lime, ash and goat hair. During the winter there are shallow ponds with high walls on the sunny side which are filled with water which becomes ice.  Thus, Persian wealthier classes ate ice cream several centuries ago without electricity.</p>
<p>Thanks to the author of this book for the text: <em><strong>Two wings of a nightingale – Persian soul, Islamic heart</strong></em> by Jill Worrall, on the road in Iran, Exiles Publishing 2011 P 68</p>
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		<title>Spectacular 2 min vid about water, muck and little critters</title>
		<link>https://archive.sustainablehouse.com.au/2012/05/spectacular-2-min-vid-about-water-muck-and-little-critters/</link>
		<comments>https://archive.sustainablehouse.com.au/2012/05/spectacular-2-min-vid-about-water-muck-and-little-critters/#comments</comments>
		<pubDate>Tue, 22 May 2012 06:10:34 +0000</pubDate>
		<dc:creator>Michael</dc:creator>
				<category><![CDATA[Blog]]></category>
		<category><![CDATA[Biodiversity]]></category>
		<category><![CDATA[storm water]]></category>
		<category><![CDATA[Waste]]></category>
		<category><![CDATA[water management]]></category>

		<guid isPermaLink="false">http://sustainablehouse.com.au/?p=2407</guid>
		<description><![CDATA[It&#8217;s by the wonderful film-maker Emma: www.bing.com&#8230; &#160; Wow; how good is that! Thanks, Emma. May the little critters be with you, M]]></description>
				<content:encoded><![CDATA[<p>It&#8217;s by the wonderful film-maker Emma:</p>
<p><a title="Emma's vid about goo, garbage and water" href="http://www.bing.com/videos/search?q=you+tube+garbage+and+goo&amp;docid=4598639221669911&amp;mid=A10070754949625E4C74A10070754949625E4C74&amp;view=detail&amp;FORM=VIRE3">www.bing.com&#8230;</a></p>
<p>&nbsp;</p>
<p>Wow; how good is that!</p>
<p>Thanks, Emma.</p>
<p>May the little critters be with you,</p>
<p>M</p>
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		<title>Over 100 signatures and 19 cities have signed up . . .</title>
		<link>https://archive.sustainablehouse.com.au/2012/05/over-100-signatures-and-19-cities-have-signed-up/</link>
		<comments>https://archive.sustainablehouse.com.au/2012/05/over-100-signatures-and-19-cities-have-signed-up/#comments</comments>
		<pubDate>Sat, 19 May 2012 04:37:30 +0000</pubDate>
		<dc:creator>Michael</dc:creator>
				<category><![CDATA[Blog]]></category>
		<category><![CDATA[bees]]></category>
		<category><![CDATA[Biodiversity]]></category>
		<category><![CDATA[Food security]]></category>
		<category><![CDATA[sustainable design]]></category>
		<category><![CDATA[sustainable house]]></category>
		<category><![CDATA[water management]]></category>

		<guid isPermaLink="false">http://sustainablehouse.com.au/?p=2388</guid>
		<description><![CDATA[? @sustaintheplan Luke has tweeted that over 100 people from over 19 cities around Earth have signed the petition to make the Plan for a sustainable suburb. That&#8217;s in the  first week before we&#8217;ve widely publicised the petition and the new web site. Great to know, for example, that people in Copenhagen love the Plan [&#8230;]]]></description>
				<content:encoded><![CDATA[<p>?</p>
<p>@sustaintheplan<br />
Luke has tweeted that over 100 people from over 19 cities around Earth have signed the petition to make the Plan for a sustainable suburb. That&#8217;s in the  first week before we&#8217;ve widely publicised the petition and the new web site.</p>
<p>Great to know, for example, that people in Copenhagen love the Plan and want it made &#8211; it applies to any city on Earth &#8211; if we can get it made here in Sydney anyone anywhere may use that example to more easily get a plan made to sustain their city, too.</p>
<p>Do sign the petition, here: <a href="http://theplan.sustainablehouse.com.au/" rel="nofollow nofollow" target="_blank">http://<wbr><a href="http://theplan.sustainablehouse.com" class="autohyperlink" title="http://theplan.sustainablehouse.com" target="_blank">theplan.sustainablehouse.com&#8230;</a>.au<wbr>/</wbr></wbr></a></p>
<p>You can read the Plan, there, too, and stay in touch with us on Twitter: @sustaintheplan</p>
<p>Go us . . .</p>
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