Typhoon Blowing Mobile Toilet

In typhoon weather, mobile toilets are at risk of being blown over, depending on factors such as wind intensity, the toilet's own design structure, and installation location.

In extreme high-wind conditions like a Category 12 typhoon, with wind speeds reaching 32.7 - 36.9 meters per second, even mobile toilets that are properly designed and installed may be moved or even overturned. This is because the powerful thrust and lift generated by extreme winds exceed the structural limits that the toilet can withstand, leading to a loss of stability.

If a mobile toilet is reasonably designed, equipped with sturdy ground anchors and other fixing devices, and has undergone wind-resistant reinforcement during installation, while also being located in a sheltered area shielded by buildings or trees, it can remain stable under normal high-wind conditions. However, in extreme high-wind conditions such as strong typhoons or tornadoes, it may still be unable to withstand the impact of strong winds and is at risk of being blown over or flipped. This is because the winds in extreme weather conditions are characterized by suddenness, high intensity, and irregularity, making it difficult for the toilet to maintain stability at all times.

If the toilet is not effectively fixed, or if the fixing devices are aged or damaged, or if the material quality is poor and the structure is unstable, even moderate winds can cause it to shift or fall apart. For example, when the fixing devices are aged or damaged, they cannot provide sufficient tension to resist the wind; poor material quality and an unstable structure result in insufficient strength of the toilet itself, making it easily damaged by the wind.

Taking Hangzhou's response to Typhoon Bavi as an example, the local authorities, in response to the characteristics of typhoon-induced rainstorms and high winds, conducted a comprehensive safety inspection and upgrade of public toilets across the city. They reinforced outdoor facilities such as toilet facade light boxes and barrier-free ramp guardrails in advance to prevent wind-induced脱落 (which can be translated as 'detachment' or 'falling off') and injuries. This also reflects from the side that effective protective measures need to be taken to ensure the safety of mobile toilets and other public facilities in typhoon weather.