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Oxfam TIGER WORM TOILET Operation Manual

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TIGER WORM TOILET
OPERATION MANUAL

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Summary of Contents for Oxfam TIGER WORM TOILET

  • Page 1 TIGER WORM TOILET OPERATION MANUAL...

  • Page 2: Table Of Contents

    CONTENTS Operation of Tiger worm Toilets Emptying User Operation and Training Monitoring of TWT Troubleshooting of TWT Frequently Asked Questions - FAQs Acknowledgements...

  • Page 3: Operation Of Tiger Worm Toilets

    Tiger worm toilets should be checked at a similar frequency that traditional faecal sludge pits would be checked for sludge level, roughly every 3-months. Where tiger worm toilet pit? potential problems are identified follow-up monitoring will be required after 2 to 4 weeks.
  • Page 4 Wood shavings bedding layer. Fresh faeces in the centre with Wood shavings bedding layer. Fresh faeces in the centre with maggots. 25% coverage of fresh faeces. A bit dry around edges, maggots. 10% coverage of fresh faeces. A bit dry around but ok where the faeces is.
  • Page 5 Wait and see OK, Ensure a proper pit seal Fresh faeces is building up. The pit looks too wet, but it looks Vermicompost around the edges shows that the pit is recent rather than chronic, as there appears to be functioning.
  • Page 6 Not in Use Too Wet Some dark soil-like vermicompost but no fresh faeces and dry. The pit is almost full, faeces is almost reaching the inlet pipe. Check under surface for worms or worm eggs. Find out why the The pit is too wet but there will probably be worms under the toilet is not is use.
  • Page 7 OK, but a bit wet Vermicompost is being produced, it is bobbly and dark. The pit Lots of nice vermicompost building up. Fresh faeces can be is a bit too wet, but worms can be seen. Some of the seen in another part of the pit. The pit is functioning well. vermicompost areas could be emptied now.

  • Page 8: Emptying

    EMPTYING When the level of vermicompost and raw faeces in the pit reaches the inlet pipe, emptying is required. Ideally, the toilets are emptied after being left un-used for one week to allow the fresh faeces to be converted into vermicompost.

  • Page 9: User Operation And Training

    User Operation and Training Tiger Worm Toilet Kit To facilitate the use of the toilet some items should be distributed with the toilet. These may include: • a child’s potty, • toilet brush, • broom or mop, • a bucket or drum for storing water, •...

  • Page 10: Monitoring Of Twt

    Monitoring of TWT Monitoring of the Tiger Worm Toilets can check for: 1. User acceptance and problems users are facing. To confirm that the number of users has not increased beyond the design capacity of the TWT 2. Are the toilets used correctly? The superstructure observations give an indication if the correct toilet usage instructions are being followed, such as only using water for cleaning.
  • Page 11 Tiger Worm Toilet Education Materials. The experienced WASH team (from Dire Dawa, Ethiopia) came up with the following ideas for tiger worm toilets education materials, these ideas have use to develop our IEC materials.

  • Page 12: Troubleshooting Of Twt

    TROUBLESHOOTING of TWT Then It can often be difficult to find the worms, so check again after a few weeks and monitor if the fresh faeces is building up. Empty No worms can be seen in the faeces if the build-up is too much and re-seed the pit with new the toilets worms.

  • Page 13: Frequently Asked Questions - Faqs

    Frequently Asked Questions - FAQs What stops the worms from escaping either down into the soil or climbing out of the pit? When the environment in the pit is correct, the worms will stay present. They will not climb out of the pit. How do you prevent the worms getting too hot or too cold? The optimal temperate range is from 5 to 35 degC.
  • Page 14 E. Eugenia enjoys tropical condition. 3 main factors: aeration, temperature between 25-30Deg, the moisture 60- 80%. How effective are the worms? 1 Kg of E.Eugenia can breakdown up to 700-800g of the volume of faeces / day Do we need to separate the solid waste from the Urine before entering the Biodigester? There is no need to separate the urine….
  • Page 15 Acknowledgements Oxfam has been working on Tiger Worm Toilets (TWT) for over a decade. Many Oxfam staff, consultants, private companies, have been involved in the gathering the information outlined in the manual. Numerous country programmes have implemented Tiger Worm toilet projects, Myanmar, Sierra Leone, Ethiopia, Liberia, Bangladesh and India.