| Stormwater permit | A Clean Water Act permit is needed for construction that disturbs 1 acre or more, or less than that if it's part of a common plan that will disturb 1 acre or more.1 | EPA construction stormwater |
| Underground utilities | Find the estimated location of sewer, phone, fuel, electric and water lines before opening an excavation, and contact the utility owners within local response times.2 | 29 CFR 1926.651(b) |
| Toilet count | Toilets are counted from Table D-1 by the number of employees. Our portable toilet calculator does the math.3 | 29 CFR 1926.51(c) |
| Drinking water | An adequate supply of potable water in every place of employment, in containers that close tightly and have a tap. No dipping.3 | 29 CFR 1926.51(a) |
| Waste containers | Containers for collecting and separating waste, trash, oily rags and other refuse. Garbage and oily, flammable or hazardous waste containers need covers.4 | 29 CFR 1926.25(c) |
| Fire extinguishers | At least one rated 2A for every 3,000 square feet of building area, no more than 100 feet of travel to reach one, and one or more on each floor.5 | 29 CFR 1926.150(c)(1) |