Capacity of Mobile Toilets

The capacity of mobile toilets is typically measured in two dimensions: the number of users per session and the average daily capacity, with specific values varying based on scale, usage scenarios, and supporting conditions.

Number of Users per Session

The single-session capacity of mobile toilets primarily depends on the number of toilet stalls and their design types:

1. Single-Stall Capacity: A standard single-stall mobile toilet accommodates only one user at a time, while barrier-free models can accommodate 1-2 people (e.g., for assisting children or individuals with disabilities).
2. Capacity of Public Toilets of Different Sizes:
   • Small Mobile Public Toilets: Typically contain 3-5 toilet stalls, with a theoretical maximum simultaneous service capacity of 3-5 people; however, in certain scenarios (e.g., compact stall layouts or dispersed usage demands), they can serve 10-20 people simultaneously.
   • Medium Mobile Public Toilets: Have 6-10 toilet stalls, with a simultaneous service capacity of 6-10 people; if equipped with barrier-free facilities or optimized space design, they can accommodate 20-40 people.
   • Large Mobile Public Toilets: Have more than 10 toilet stalls and may include barrier-free restrooms and baby care rooms, with a simultaneous service capacity exceeding 10 people; in large-scale event scenarios, they can serve 40-80 people simultaneously.

Average Daily Capacity

The average daily capacity is influenced by usage frequency, maintenance cycles, and scenario demands:

1. Ordinary Scenarios: An ordinary mobile toilet is used 100-150 times per day on average (assuming a 5-10 minute interval between uses); in high-intensity scenarios (e.g., music festivals), it can reach 200 uses per day.
2. Peak Hours: On average, one toilet stall can serve 8-12 people per hour. For example, a mobile public toilet with 10 stalls can serve 80-120 people per hour during peak hours.
3. Scenario Differences:
   • Low-Frequency Scenarios (e.g., construction sites): Used 50-80 times per day on average, due to a fixed user group and dispersed usage times.
   • High-Frequency Scenarios (e.g., sports events): Require a ratio of 1 toilet per 50 people, meaning one toilet stall is shared by 50 people.

Other Influencing Factors

1. Gender Ratio: It is recommended to have a toilet stall ratio of 1:2 or 1:3 to accommodate the longer restroom usage time of women.
2. Discharge Methods: Water-flush toilets rely on water sources and sewage networks; waterless packaging or foam-sealing toilets require regular cleaning of fecal storage tanks (typically with a capacity of 100-200 liters per stall), directly affecting the number of uses.
3. Maintenance and Cleaning Cycles: Toilets cleaned every 4 hours have a 30% higher average daily capacity than those cleaned every 8 hours.
4. Climate and Environment: Usage frequency increases by 20%-30% in high-temperature environments, necessitating additional ventilation equipment to maintain efficiency.