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Tom Hopkins & John Cocks: Environmental impacts – waste

Day 2 - Presented to Sustainable Summits 2016
Tom Hopkins & John Cocks: Environmental impacts – waste

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Tom Hopkins & John Cocks: Environmental impacts – waste

  1. 1. Presented by Tom Hopkins thopkins@doc.govt.nz John Cocks john.h.cocks@mwhglobal.com
  2. 2. Exit Strategies: Managing Human Waste in the Wild AAC 2010 • NZ practice: fly-out waste • Practices in US/Canada  Carry-out  Mouldering & composting toilets  BEES – research & development Sustainable Summits AAC 2014 • France, Canada, US Vermicomposting
  3. 3. 2010 2016 Population 4 million 4.7 million International Visitors 2 million 3.3 million Protected lands (1/3 NZ’s land area) 8 million ha 8.6 million ha Backcountry huts 959 965 Club huts 81 81 Camp sites (total) 313 329 Camp sites backcountry 106 106
  4. 4. • Fly-out: wide use  Fly out vaults  Pump out vaults • Carry-out: limited use  Mt Ruapehu (NZAC Hut)  Aoraki Mt Cook
  5. 5. • Pit toilets: wide use • Fly-out: wide use • Septic tanks to LAS:  10 +irrigation: wide use  20 +irrigation: limited
  6. 6. • Guidelines for Human Waste and Sullage Management at Backcountry Huts: Standard Operating Procedure – 2004 • Compliance Document for New Zealand Building Code for Backcountry Huts 2009
  7. 7. • Predominant system - fly out vault or pump out vault • Costly - Pressure on operational maintenance budgets • Aircraft noise and emissions • Ice/snow up of containers • User related issues  Overflowing containers  Rubbish in containers
  8. 8. • Systems very much traditional – low risk keep it simple approach • Little or no ‘research & development’
  9. 9. • Limited public acceptance/facilitation of poo pot carry-out method
  10. 10. • Vermicomposting toilet  installation of vermicomposting toilet at Manson Nicholls Hut  potentially positive outcome  issues with introducing exotic invertebrates to conservation estate
  11. 11.  Public health  Social  Financial
  12. 12. • Increasing visitor numbers and patterns • Emerging contaminants (cleaning products, cosmetics, consumer ‘necessities’) • New regulations / regulator scrutiny • NZ Policy Statement on Freshwater Management • Limit Setting Process &potential numerical limits • Implications for backcountry waste management:
  13. 13. Option High use site Low use site Issues Fly-out vault toilet x x noise, carbon, winter Carry to dump station ? x noise, carbon, behaviour Carry-out x x behaviour Vermi-compost x Behaviour, carbon, noise, winter Incineration x x noise, carbon Solar dry / evaporation x x Climate, winter

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