What are the OSHA porta potty requirements for construction sites?
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OSHA standard 29 CFR 1926.51 requires 1 toilet per 20 workers, hand washing facilities at each toilet, and ADA-accessible units when 20 or more workers are on site. Decontamination facilities may also be required for hazmat sites. Fines for non-compliance can reach $16,131 per violation.
How many porta potties do I need for my construction site?
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OSHA requires a minimum of 1 toilet per 20 workers. For 50 workers, you need at least 3 units. If workers are spread across a large site, place units so no worker walks more than a 10-minute round trip. Many contractors add 1–2 extra units as buffer for peak days and subcontractor overlap.
Are hand wash stations required on construction sites?
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Yes. OSHA requires hand washing facilities adjacent to each toilet on construction sites. Standalone hand wash stations cost $45–$80 per week. Some deluxe porta potties include built-in sinks, which can satisfy this requirement and reduce your total unit count.
How often should construction site porta potties be serviced?
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Weekly servicing is the industry standard for sites with up to 10 users per unit. High-traffic sites with more users per unit should upgrade to twice-weekly service. Service includes pumping, cleaning, restocking toilet paper and sanitizer, and applying deodorizer.
Can porta potties be used on construction sites in winter?
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Yes. Vendors add antifreeze to the holding tank and use non-toxic deodorizers rated for cold weather. In extreme climates, heated units or insulated enclosures are available at additional cost ($15–$40/week surcharge). Winter service schedules remain the same as warmer months.
How is delivery handled for construction site porta potties?
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Vendors deliver units on a flatbed truck and place them using a liftgate or forklift. You need a clear path at least 4 feet wide and a level surface. Most vendors offer next-day delivery, with same-day available in many metro areas for an additional $50–$100 fee.
