As COVID-19 restrictions begin to ease in many jurisdictions, we have streamlined and downsized our COVID Resources page for your convenience.
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UPDATED Vaccine Mandate Summary
This chart shows all current vaccine mandates and requirements therein.

PLEASE NOTE: A previous edition indicated that vaccine verification would not be required on King County or City of Seattle projects. However, upon further clarification with City of Seattle, they have advised that they intend to keep and enforce a vaccine-verification policy for contractors. King County has also elected to keep the contractor vaccine verification for contractors at this time.


Worker-protections guidance from the Department of Labor and Industries (L&I) on employer expectations (all industries) can be found here.

Basic requirements for all workplaces:
• Keep workers known, or suspected, to have COVID-19 from working around others by following appropriate isolation or quarantine guidance as outlined by the Washington State Department of Health (DOH).
• Provide hand-washing facilities and supplies, and regularly clean and sanitize surfaces.
• Educate workers about COVID-19 prevention in the language they understand best.
• Provide written notice of potential COVID-19 exposure within one business day to all workers, and the employers of subcontracted workers, who were at the same work site as a person who tested positive (without disclosing the person’s identity).
• Report COVID-19 outbreaks to L&I within one business day when they involve ten or more workers at a workplace or job site with more than fifty workers.
• Address COVID-19 notification, reporting and prevention measures in the employer’s workplace-specific, written Accident Prevention Program or equivalent safety program.
• Allow workers to voluntarily wear masks (respirators, medical procedure masks, or cloth face coverings) and personal protective equipment (PPE) as long as it doesn’t create a safety or security issue.
Employers must continue to assess COVID-19 hazards in their workplaces, because the level of hazards may change. This depends on the amount of disease in the community, how close workers are to others, whether the worker or others they interact with are vaccinated, and ventilation. When COVID-19 hazards change, employers may need to adjust their prevention measures.

Click here to view entire 2.28.22 Inslee news release.

There are three directives that still apply to workplaces until they are rescinded by L&I:

DOSH Directive 1.70 gives guidance on COVID protocols in the workplace. This will be adjusted or rescinded when the statewide mask mandate is lifted on March 12.

DOSH Directive 11.80 gives guidance on respiratory protection and will be adjusted or rescinded when the statewide mask mandate is lifted on March 12.

DOSH Directive 1.60 gives guidance on training expiry during the pandemic.

The most current Isolation and Quarantine Guidance from the Washington State Department of Health.


The new Exposure Prevention, Preparedness, and Response Plan will meet requirements of L&I infectious-disease rules, under the Health Emergency Labor Standards Act (HELSA).

Updated Toolbox Talk pages with new isolation and quarantine guidance.

As always, as your AGC Director of Safety, I stand ready to assist you with specific questions, so please don’t hesitate to contact me or executive vice president David D’Hondt if we can be of assistance!
– Mandi Kime