How do those running large sporting and cultural events determine how many toilets to provide? Is there an accepted ratio or does it vary, and if so by how much?
• Most countries have national standards for toilet provision. In the UK, in sporting venues it is one WC for women, or one urinal for men, per 25 attendees per gender. In addition there should be one extra WC per 250 men.
This sounds sensible, but many venues may have a mainly female crowd one day and male the next.
This is why when London’s ExCeL exhibition centre was designed, we…
