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Bathroom Layout Considerations

Perhaps the first thing to consider when planning bathrooms for any building project is the number of people who will be using the facilities when the project is complete.

Building regulations lay out the minimum number of WCs and sinks that should be provided for the building’s population as follows:

Female Users:

– For 1 to 5 there should be 1 WC and 1 washbasin
– For 6 to 15 there should be 2 WCs and 2 washbasins
– For 16 to 30 there should be 3 WCs and 3 washbasins
– For 31 to 45 there should be 4 WCs and 4 washbasins
– For 46 to 60 there should be 5 WCs and 5 washbasins
– For 61 to 75 there should be 6 WCs and 6 washbasins
– For 76 to 90 there should be 7 WCs and 7 washbasins
– For 91 to 100 there should be 8 WCs and 8 washbasins

Above 100 users, 1 additional WC and 1 washbasin should be provided for each additional 25 people.

Male Users:

– For 1 to 15 there should be 1 WC, 1 urinal, and 1 washbasin
– For 16 to 30 there should be 2 WCs, 1 urinals, and 2 washbasins
– For 31 to 45 there should be 2 WCs, 2 urinals, and 2 washbasins
– For 46 to 60 there should be 3 WCs, 2 urinals, and 3 washbasins
– For 61 to 75 there should be 3 WCs, 3 urinals, and 3 washbasins
– For 76 to 90 there should be 4 WCs, 3 urinals, and 4 washbasins
– For 91 to 100 there should be 4 WCs, 4 urinals, and 4 washbasins

Above 100 users, 1 additional WC, urinal, and washbasin should be provided for each additional 50 people.

Bathrooms should be placed at convenient locations throughout the building so that facilities are easily accessible for all users – in most cases, they are positioned in lobby areas away from workspaces to prevent disturbance.

Planning Bathroom Layout

When planning the layout for the bathroom it is important to consider the flow of users through the facility as well as the impact of noise on surrounding areas.

Older hand dryers could be extremely noisy and create substantial disturbance in surrounding areas, however modern hand dryers such as the Mitsubishi Electric Wave range are much quieter.

The layout of the bathroom can help to encourage good hygiene. In most cases, the WC and urinals would be arranged at the opposite end of the room from the entrance and exit with the wash basins and hand dryers closer to the door.

Consider the route that users will take through the bathroom so that people do not need to walk across each other or reverse their journey.

To minimise disturbance from hand dryer noise escaping into the surrounding areas, avoid placing them against shared walls with quieter spaces, or directly opposite the entrance.

Find Out More

If you are in the process of developing a new build project and would like to learn more about the Mitsubishi Electric Wave range of hand dryers, please contact us today to request a demonstration or download a brochure.

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