How many porta potties do I need for a jobsite?
Start with the OSHA table, not a guess. OSHA 1926.51(c) sets it out plainly: 1 toilet facility for 20 workers or fewer, then 1 toilet seat and 1 urinal per 40 workers once you cross 20, and 1 seat plus 1 urinal per 50 workers at 200 or more. A 15 person framing crew in Davie needs one unit, full stop. A 60 person site sits in the 40-per-bracket, meaning 2 seats and 2 urinals. Bump that up if the job runs multiple shifts on the same clock, since the ratio is per shift, not per day. Most construction site services here run standard portable toilets at day, week, or month rates, and a monthly porta potty rental is the common call for anything running past a few weeks. If you're bidding a job, check porta potty rental cost first so the sanitation line isn't a surprise on the invoice.
How many porta potties do I need for an event?
Headcount and hours drive this, not just headcount alone. A 4 hour festival with no alcohol runs lighter than an 8 hour concert serving beer. Here's a rough planning table:
| guests | event length | no alcohol | with alcohol |
|---|---|---|---|
| 100 | 4 hours | 2 units | 3 units |
| 250 | 4 hours | 4 units | 6 units |
| 500 | 6 hours | 8 units | 11 units |
| 1000 | 8 hours | 15 units | 20 units |
Alcohol pushes bathroom trips up, plain and simple, so add roughly 30 percent when there's a bar. Multi-day events need a service visit built into the plan, not just more units sitting there getting fuller. ANSI/PSAI Z4.3 sets the baseline service interval at once a week for up to 10 users over a standard 40 hour week, which tells you a two-day festival with heavy traffic needs mid-event servicing, not a single drop and pickup. A festival restroom plan and a concert restroom plan should both build that servicing into the quote up front.
What about ADA accessible units?
If you're clustering portable toilets for an event or jobsite, at least one has to be accessible, and the math isn't optional. ADA Standards section 213.2 requires 5 percent of clustered units to be accessible, with a floor of at least one no matter how small the cluster. So 10 standard units means at least 1 ADA accessible porta potty, and 40 units means at least 2. The accessible unit itself has real dimensions behind it: a 60 inch turning circle under ADA Standards section 304.3.1, a 32 inch clear door opening per section 404.2.3, and a 36 inch clear approach route per section 403.5.1. Skip this on a permitted public event in Davie and you're exposed, not just impolite.
Worked example: 20 person crew, 6 week job
Say you've got a 20 person remodel crew working a house near downtown Davie, job length 6 weeks. Under OSHA 1926.51(c), 20 workers sits right at the top bracket for a single unit, so 1 standard porta potty covers the ratio. At that length, a monthly rate makes more sense than paying by the day. If the crew is doing exterior painting at any point, remember OSHA 1926.51(f)(1) kicks in specifically for washing after paints, coatings, herbicides or insecticides, so add a handwashing station rental for that phase even though the base toilet count doesn't change. This is a small job by Davie standards, closer in scale to what you'd see on a home renovation porta potty request than a commercial build.
Worked example: 400 guest wedding, 5 hours, open bar
A 400 guest wedding running 5 hours with an open bar is a different animal entirely. Off the event table, 500 guests at 6 hours with alcohol calls for 11 units, so 400 guests at 5 hours lands a bit under that, call it 8 to 9 standard units, or consider stepping up. Most wedding planners in this range skip the row of plastic boxes and go with a restroom trailer rental instead, often a 4 stall restroom trailer or 8 stall restroom trailer depending on layout. A wedding restroom rental quote should include at least one accessible unit under ADA 213.2, and if the venue is tight on space, ask about a luxury restroom trailer that fits a smaller footprint than a bank of standalone units. Venues near Cooper City, 3.4 miles south of Davie, often run the same headcount math for tented receptions.
How many tons and cubic feet does my dumpster hold?
If you're clearing a jobsite alongside your restroom order, dumpster capacity matters just as much as toilet count. A 10 yard dumpster rental holds about 10 cubic yards, which answers how many cubic feet in a 10 yard dumpster: roughly 270 cubic feet, and it typically takes light debris loads. A 20 yard dumpster rental answers how many cubic feet in a 20 yard dumpster at around 540 cubic feet, and if you're asking how many tons does a 20 yard dumpster hold, figure roughly 2 to 3 tons depending on material density. Step up to a 30 yard dumpster rental and you're near 810 cubic feet, with weight capacity often in the 3 to 4 ton range for mixed construction debris. A 40 yard dumpster rental answers how many cubic feet in a 40 yard dumpster at near 1,080 cubic feet, and heavier loads can push 4 to 5 tons before you hit trailer limits. Length-wise, if you're asking how many feet is a 20 yard dumpster, it runs about 22 feet, and a 10 yard box is closer to 14 feet, so check your dumpster sizes and dimensions page before you commit to a spot in the driveway. Every roll-off dumpster rental needs about 60 feet of straight clearance behind the truck for delivery, which matters on narrow Davie lots. Always check dumpster weight limits and what cannot go in a dumpster before loading, since overage fees add up fast.
Do I need more units for a multi-day event?
Yes, and the reason is simple math on tank capacity. A standard unit carries a 60 to 70 gallon holding tank, and that tank fills the same whether your event runs 4 hours or 3 days straight. ANSI/PSAI Z4.3 baselines service at once weekly for up to 10 users over a 40 hour week, so a weekend festival with 500 daily guests blows past that baseline fast and needs a mid-event pump-out scheduled, not assumed. Add roughly 15 to 20 percent more units for each additional full day of heavy use, or lock in a servicing visit between days instead of overbuying units up front. An emergency porta potty rental call covers the case where a unit fills faster than expected and the event isn't over yet. Planners running weekend events in Davie should also check porta potty rental per day pricing against a weekend rate before locking the order, since short multi-day rentals price differently than a single day or a full week.
What if my headcount changes at the last minute?
Order slightly high rather than low, since adding units mid-event costs more than adjusting a quote beforehand. Talk to Davie Porta Pros as soon as the guest count firms up, and ask about swapping a few standard units for a deluxe flushable porta potty tier if the budget allows. A same-day increase is harder to fill than a change made 48 hours out.
Frequently asked questions
How many porta potties do I need for 100 guests?
For 100 guests at a 4 hour event with no alcohol, plan on 2 units. Add a third if there's a bar, and always include at least 1 ADA accessible unit per section 213.2, even at this size, since the floor never drops below one.
How many porta potties do I need for construction workers?
Follow OSHA 1926.51(c) directly: 1 toilet for 20 workers or fewer, then 1 seat and 1 urinal per 40 workers as the crew grows, dropping to 1 per 50 once you pass 200 workers on site.
How many tons can a 30 yard dumpster hold?
A 30 yard dumpster typically holds 3 to 4 tons of mixed construction debris, though heavier material like concrete or shingles fills the weight limit before the box looks full. Check your dumpster rental cost page for overage terms.
How many tons does a 40 yard dumpster hold?
A 40 yard dumpster generally holds 4 to 5 tons before hitting typical hauler weight caps. Bulky, low-density debris like furniture or drywall usually fills the volume first, well before the tonnage limit.
Do I need a permit for porta potties on a public street in Davie?
Placement in the public right of way needs confirming with the city before delivery day. Check porta potty permit requirements or contact Davie Porta Pros directly, since we coordinate placement with the property or event site.
How far in advance should I book for a Davie event?
Book as soon as your headcount and venue are confirmed, especially for weekend events when trailer and unit availability tightens. Weddings and festivals near Plantation, 5.1 miles north, often book several weeks out for the same reason.
Next step
Get a delivery date
Tell us the address, the dates and the headcount. We size the order and confirm the route.