Sharing Door by cheng-tsung feng from taiwan

Video
http://vimeo.com/19695943
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Challenge
In daily life, we often can see woman lining up to for female toilets. However, this situation is not often happened in the male toilets. When men and women use toilets, there are significant differences of speed between two.

Daily average, people usually take a dump once and take a leak six to twelve times. Among male toilets, urinals toilet occupied an area is smaller than toilet seats. So the numbers of male toilet urinals are usually more than toilet seats, and toilet seats are used by the lower frequency than toilet urinals.

The design concept is toilet seats in male toilets in low frequency of using are share with women. The process of sharing is natural and private, so women use part of the male toilets comfortably without being shy. And through the doors designed to allow space and equipment can play a greater value to solve the problem which women lined up for female toilets.
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Concept
By a clever way, the design makes space and equipment which are not used be shared to people in need. "Sharing Door" does not replace the female toilets, but play a supporting role. When women line up for the female toilet, "Sharing Door" can be women’ another choice.

User can lock the two doors at once through simple design and operation. The way of sharing the existing space, equipment, resources plays a greater utilization.

Shown on the right is the recommended space allocation. In addition, this design also has the flexibility of configuration changes in response to different environmental conditions.
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Solution
Two doors are installed with spring loaded axis which will automatically shut the door. After user entering, simply locking lever down could lock the two doors at once. This space will be hidden. No one will know the user is male or female, and women can comfortably use this space.