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5.2 Public away from home toilets How appealing can they be? Can vandalism be avoided? Learning objective: how to plan & implement sustainable public toilets.

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Presentation on theme: "5.2 Public away from home toilets How appealing can they be? Can vandalism be avoided? Learning objective: how to plan & implement sustainable public toilets."— Presentation transcript:

1 5.2 Public away from home toilets How appealing can they be? Can vandalism be avoided? Learning objective: how to plan & implement sustainable public toilets

2 A public toilet is part of a system Outside Inside Facility User views on public toilets access location signage appear- ance security fixtures fittings clean- liness attend- ants payment disability urinals baby rest products separate unisex Courtesy of Clara Greed (from Hanson et al. 2007)

3 User surveys and evaluations J-O Drangert, Linköping university

4 User interview results Courtesy of Clara Greed from Hanson et al. 2007

5 Location of toilet blocks and urinals Courtesy of Clara Greed (from Hanson et al. 2007) A toilet hierarchy covering: city centre, district and local levels

6 Signage ~ how to find the place Photos courtesy of Clara Greed Map showing public toilets

7 Access to the toilet and urinal New urinal stands behind a toilet block. The urinal is being used for defecation during night hours when the main toilet block is closed J-O Drangert, Linkoping university, Sweden A toilet with accessories for many user groups Courtesy of Clara Greed from Hanson et al. 2007

8 External appearance of the toilet or urinal A block of urine-diverting toilets Photo courtesy of Suburraman, Scope, India Excellent access to unisex street toilets in Waikato, New Zealand. Courtesy of Clara Greed from Hanson et al. 2007

9 J-O Drangert, Linkoping university, Sweden Sulabh pay toilet with bath Public pay toilet in Moscow with attendant. Urine diversion Public free urinal after rainA sign board about fees Payment or not?

10 Dutch toilet with slogan Cleaning of toilets Courtesy of F. Garduňo, Sarar, Mexico J-O Drangert, Linkoping university, Sweden Management inside the toilet block

11 Security and privacy Ultra-blue light to prevent syringe injection J-O Drangert, Linkoping university, Sweden Courtesy of Clara Greed (from Hanson et al. 2007) Less privacy may reduce vandalism & improve safety Portland Loo

12 Cleanliness J-O Drangert, Linkoping university, Sweden A brightly lit, easy to clean toilet in which all cracks are sealed to prevent stagnant urine and water Water tap for washing hands using 0.1 litre per hand wash Courtesy of Clara Greed from Hanson et al. 2007

13 Fixtures in the cubicle and urinal – and vandalism If the toilet is not cleaned regularily, users will fill up the floor all the way to the entrance Fixtures have to be sturdy to withstand abuse J-O Drangert, Linkoping university, Sweden

14 Unisex and baby-friendly facilities Women and men have quite different dimensions and reach in terms of length of arms and legs (Goldsmith, 2000) Baby friendly unit Courtesy of Clara Greed from Hanson et al. 2007

15 Female urinal from Tepozeco in Mexico Urinals J-O Drangert, Linköping University Courtesy of Ron Sawyer, Sarar, Mexico Female squatting urinal Male urinal

16 Differently abled persons Photo Courtesy of M. Subburaman, Scope,. India

17 Where does urine and faecal matter end up? J-O Drangert, Linkoping university, Sweden

18 Public toilets in remote locations Volume reduction per year in a natural composting process: Courtesy of Compostera AB, Sweden

19 Summary of design and reuse options Output Option 1 Option 2 Water from hand washing Soil bedSewer Urine from urinalUndilutedFlushed Faecal matter from diverting toilet Mixed with ash or sawdust Flushed Excreta from toiletUndilutedFlushed Ablution waterSoil bedSewer J-O Drangert, Linköping university


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