DesignEarthworks & Earth Resources

Mogendoura Earthworks 1 Year On

Recently I had the opportunity to check out the earthworks performance where I installed a mainframe design in January 2015. I was contacted to sort out the dam wall and spillway as the client was concerned about its safety due to very little free board between the high water mark and the top of the dam wall.

Also installing two levelsill spillways on each backflood swale 1, as a primary spillway charging the lower dam and the other what I like to call an emergency spillway set 100mm higher than the primary spillway, this allows water to safely cross through a pipe to charge the lower dam and in big rain events safely allowing water to exit over the emergency spillway.

While on site with the machine I installed a lovely crossing dam replacing the exciting pipe at a gully crossing creating a real feature for the site that not only looks great and is functional and has been credited as an excellent ecological niche for increasing biodiversity and habitat.

If you want to learn more from David Spicer check out some of his courses here:
2 day Introduction to earthworks

Mogendoura Earthworks 1 Year On  01

5 day earthworks course with Geoff Lawton

This earthworks course is a hands-on course that will help you design and implement water harvesting strategies on your property. Also, this course gives great value to enhance any serious consultant’s portfolio to have confidence when supervising contractors.

Earthworks construction can be a rewarding investment in your property. Enhancing the aesthetic appeal, functionality and value of your landscape are all realistic potential outcomes. However, it can be intimidating to order large machinery onto your property and getting it wrong can be discouraging and very expensive. This course will give you the knowledge and confidence to get your earthworks right, first time around.

In this course, you will learn the theory and practice of Permaculture Earthworks – learning site design skills, surveying and directing earthmoving machines to establish dams, swales, terraces, access roads and more.


David Spicer

David Spicer’s approach to design and education is based upon a proven emphasis on practicality, having over 18 years experience in Permaculture education working and teaching with Bill Mollison at the Permaculture Institute (Tasmania) and Geoff Lawton, the managing director of the Permaculture Research Institute of Australia and Zaytuna Farm. He is renowned for his ability to explain concepts and ideas simply, conveying the basics. David previously worked as farm manager of the renowned Tagari Farm and Zaytuna Farm in northern New South Wales. He has taught and worked extensively within Australia and internationally on various projects, covering six Australian states, Morocco, Jordan, New Caledonia and Palestine covering a broad array of different climate zones. David is a valued member of the team headed up by Geoff Lawton. He has the distinction of being Registered Teacher #5 with the Permaculture Research Institute of Australia. David currently serves as Lead Consultant and Educator for

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