Start with 1 standard unit per 50 guests for up to 4 hours.
100 guests: 2 units for 4 hours, 3 for 6 hours, 4 for 8 hours.
Add 1 unit per 100 guests with alcohol, and 1 hand wash station per 4 toilets.
At least 5% of units in each cluster must be accessible, and never fewer than 1.
Use the free porta potty calculator, then call to book.