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The most comprehensive, up-to-date and thoroughly researched book on the topic of composting human manure available anywhere. It includes a review of the historical, cultural and environmental issues pertaining to "human waste," as well as an in depth look at the potential health risks related to humanure recycling, with clear instructions on how to eliminate those dangers in order to safely convert humanure into garden soil. Written by a humanure composter with over thirty years experience, this classic work now includes illustrated, step-by-step instructions on how to build a humanure toilet, a chapter on alternative graywater systems, photos of owner-built humanure toilets from around the world, and an overview of commercial composting toilets and systems.
The Missoula Technology and Development Center (MTDC) was asked to evaluate the use of floating bridges for trail crossings in very wet areas. This report outlines the basic designs of floating structures. It includes information about floating boat docks, floating bridge designs, anchorage systems, and devices that allow the dock to adjust itself to varying water levels. It also describes the situations where floating bridges may be a practical solution.
This is the classic, comprehensive manual on how to build a footpath to withstand the beating of 8 million boots a year (some hitting the ground 5 million times), to rest lightly on the land, to preserve the natural resources around it, and to allow a true backcountry experience-all at the same time. It is addressed to those who work on the Appalachian Trail-4,500 volunteers putting in a total of more than 185,000 hours a year-but is used by veteran and novice trail-builders around the world because of the success of the Appalachian Trail system. Illustrated with more than 50 photographs and 100 explanatory drawings, this manual includes design and construction specifications and lists of tools and U.S. suppliers.
Composting toilet systems and other ecological wastewater management methods are emerging as viable and cost-saving alternatives to wastewater disposal systems worldwide. Find out why-and how to choose, install and maintain them!In this book, you'll find:ʺ Descriptions of more than 40 systems-both manufactured and site-built-and their sourcesʺ Information on compatible toilet stools and installing micro-flush toiletsʺ Tips on choosing, planning, installing and maintaining your composting toilet systemʺ The experiences of owner-operators worldwideʺ What you should know about graywater and its treatmentʺ Regulations and advice about getting your system approved. David Del Porto has sold and serviced thousands of several models and brands of composting toilet systems since 1972. He has also helped write regulations and performance standards for these systems, and has designed composting toilet and graywater systems for Greenpeace, government agencies and for developing countries. 25 years of his research and experience is detailed in the book.,D.