Scaffold & Sidewalk Shed: Federal Way vs Seattle
How do scaffold & sidewalk shed rules compare between Federal Way, WA and Seattle, WA?
Federal Way has fewer restrictions than Seattle.
Federal Way, WA
King County
Federal Way follows Washington State Building Code (WAC 296-874) and IBC Chapter 33 for scaffolding. Commercial scaffold work requires L and I permits and daily safety inspections under RCW 19.27.
View full Federal Way rules →Seattle, WA
King County
Seattle requires permits for scaffolding erected on public rights-of-way through the Seattle Department of Transportation (SDOT). The Seattle Building Code and Washington Industrial Safety and Health Act (WISHA) establish safety standards for scaffold construction, inspection, and use. All scaffolding must comply with OSHA and L&I fall protection standards.
View full Seattle rules →Key Facts Comparison
| Fact | Federal Way | Seattle |
|---|---|---|
| Residential threshold | Permit typically required over 10 ft | - |
| Governing code | IBC Ch 33 and WAC 296-874 | - |
| Right-of-way | ROW permit needed for sidewalk use | - |
| Inspections | Competent-person check each shift | Before each work shift |
| SDOT Permit | - | Required for scaffolding in public right-of-way |
| State Standard | - | WAC 296-874 Scaffolds |
| Fall Protection | - | Required above 10 feet |
| Competent Person | - | Required to supervise erection and dismantling |
Highlighted rows indicate differences between cities.
Federal Way FAQ
Do I need a permit for a small homeowner scaffold?
Generally no for residential scaffolding under 10 feet used by the homeowner, but commercial and taller scaffolds require permits and L and I compliance.
Can scaffolding block a Federal Way sidewalk?
Only with a Federal Way right-of-way permit and a covered pedestrian walkway when the scaffold exceeds 8 feet in height.
Seattle FAQ
Do I need a permit for scaffolding in Seattle?
Yes. A Street Use permit from SDOT is required for scaffolding in the public right-of-way. The Seattle Building Code also requires compliance with scaffold standards for all construction sites.
What safety standards apply to scaffolding in Seattle?
Scaffolding must comply with WAC 296-874 (Washington scaffold standards), OSHA 29 CFR 1926 Subpart L, and the Seattle Building Code. A competent person must supervise erection and daily inspections are required.
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