Oregon Confined Space Accidents

Confined space accidents are among the most preventable workplace tragedies in Oregon. They occur in sewers, water treatment facilities, storage tanks, silos, agricultural pits, manholes, pipelines, and processing vessels across the state. When employers do not follow Oregon OSHA’s confined space rules, workers are overcome by toxic atmospheres, engulfed in materials, or trapped before they can escape. Bystanders who rush in to help without proper equipment become additional victims. People die who should not have died.

If you survived a confined space accident in Oregon or Washington, or if you lost a family member in one, your legal rights extend far beyond workers compensation. In most confined space accidents, parties other than your employer share responsibility for what happened. A third-party civil lawsuit against those parties can recover what workers compensation will never pay: full pain and suffering, complete lost earning capacity, and the lifetime cost of care for catastrophically injured survivors.

Oregon OSHA’s Confined Space Standard: OAR 437-002-0146

Oregon’s confined space rule, OAR 437-002-0146, is Oregon’s own regulation, distinct from the federal standard at 29 CFR 1910.146. It applies to general industry and construction employers statewide, and agriculture has a parallel rule at OAR 437-004-1250. A confined space is one that is large enough for an employee to fully enter and perform work, has limited or restricted means for entry or exit, and is not designed for continuous human occupancy. Common examples include storage tanks, silos, sewers, manholes, pipelines, tunnels, boilers, pressure vessels, utility vaults, and grain bins.

A permit-required confined space contains or has the potential to contain a hazardous atmosphere, material that could engulf an entrant, an internal configuration that could trap or asphyxiate a worker, or any other recognized serious safety or health hazard. Oxygen-deficient atmospheres, hydrogen sulfide, carbon monoxide, and flammable vapors are the most common atmospheric hazards that kill Oregon workers in confined spaces each year.

What Oregon OSHA Requires Before Anyone Enters

Under OAR 437-002-0146, before any worker enters a permit-required confined space, the employer must complete a specific sequence of steps. Every step is a separate legal obligation. When any step is skipped or performed improperly and a worker is injured or killed, every party who contributed to that failure faces potential liability.

The employer must identify all confined spaces through a written evaluation, post warning signs at all permit-required spaces, and develop and implement a complete written confined space program. For each entry, the employer must issue a written entry permit signed by the entry supervisor confirming all required conditions have been verified. Before the permit is signed, the atmosphere must be tested for oxygen content, flammable gases, and toxic contaminants. Oxygen levels must be between 19.5% and 23.5% to allow entry. Atmospheric testing must continue throughout the work.

A trained attendant must be stationed outside the space at all times during entry. The attendant may not enter the space under any circumstances without a trained backup in position. The attendant must maintain continuous communication with the entrant and has the authority and obligation to order evacuation immediately when conditions change. A trained rescue team with proper retrieval equipment must be available before entry begins, staged at the opening so that a non-entry rescue can be performed if needed.

How Confined Space Accidents Actually Happen

The gap between what Oregon OSHA requires and what actually happens is where confined space deaths occur. The most common failures Kaplan Law documents in confined space cases are:

No Atmospheric Testing Before Entry

because the employer did not own monitoring equipment or did not believe testing was required. Workers enter what appears to be a routine space and are immediately overcome by an invisible, odorless atmosphere they cannot detect or react to in time.

No Attendant Stationed Outside

because the crew was short-staffed or because nobody understood the attendant’s role. Without an attendant monitoring from outside, nobody calls for help when the entrant stops responding.

Rescue Without Equipment

because coworkers who discover an unconscious colleague instinctively rush in without atmospheric testing or protective equipment. They are overcome by the same hazard that killed the first worker.

No Written Program, No Entry Permit, and No Documentation of Any Required Steps

because the employer did not know the rule applied or chose not to implement it.

A Real Oregon Confined Space Citation

In January 2024, Oregon OSHA fined River City Environmental, Inc. of Portland $118,800 for multiple violations of OAR 437-002-0146 after two workers became unconscious inside a confined space due to atmospheric conditions. Portland Fire and Rescue responded. Oregon OSHA’s investigation found that the company had failed to comply with specific requirements of Oregon’s permit-required confined space standard. Oregon OSHA citations are public records. Kaplan Law obtains them through public records requests at the beginning of every confined space case, along with prior inspection history for the same employer and worksite.

Oregon OSHA regulations establish the standard of care that employers operating confined spaces in Oregon are required to meet. When Oregon OSHA issues citations documenting violations of OAR 437-002-0146, those citations are relevant evidence in a civil lawsuit that the cited party failed to meet the applicable safety standard. Under ORS 654.285, Oregon OSHA regulations and orders that have become final are admissible in civil proceedings as evidence of a reasonable and proper standard of safety and health. How those citations are used in any specific case requires evaluation by an experienced attorney, particularly when a citation was resolved through informal settlement rather than full adjudication.

Who Is Liable Beyond Your Employer

Workers compensation bars a direct lawsuit against your employer. But confined space accidents frequently involve third parties whose negligence contributed to the event and who can be sued in an uncapped civil lawsuit.

General Contractors and Host Employers

When a subcontractor’s worker is injured in a confined space on a site controlled by a general contractor or property owner, that general contractor or host employer may face direct liability for failing to ensure confined space safety requirements were met across the entire worksite, regardless of who employed the injured worker.

Equipment Manufacturers

When ventilation equipment, atmospheric monitors, retrieval systems, or communication equipment was defective and that defect contributed to the injury, the manufacturer faces product liability under Oregon’s strict liability standard. As with all product liability claims, the two-year statute of limitations under ORS 12.110 applies, and Oregon’s statute of ultimate repose under ORS 30.905 generally bars claims more than 10 years after first purchase. However, Oregon’s look-away provision under ORS 30.905(2)(b), confirmed by Miller v. Ford Motor Co. (Oregon Supreme Court, 2018), extends that deadline when the equipment was manufactured in a state with a longer or no product liability statute of repose, or when the state into which a foreign-made product was imported has more favorable law. This analysis must be done immediately.

Property Owners

When a property owner knew or should have known that a confined space on their property contained hazards and failed to warn or protect contract workers, direct negligence liability attaches.

Contractors Who Performed Prior Work

When a contractor performed welding, chemical treatment, coating, or other work inside or immediately before another worker’s entry, and that work created or changed the atmospheric hazard, that contractor may share liability for the resulting injury.

What Workers Compensation Does Not Cover

Oregon workers compensation covers medical treatment and disability benefits but does not cover full pain and suffering, complete lost earning capacity, or the lifetime cost of care for catastrophically injured survivors. Oregon’s lien formula under ORS 656.593 guarantees you at least 33 and one-third percent of the net third-party recovery after attorney fees. Washington’s lien under RCW 51.24.060 guarantees 25 percent, and under Tobin v. L&I (Washington Supreme Court, 2010), L&I cannot recover any portion of funds allocated to pain and suffering. In catastrophic confined space cases, the third-party recovery routinely far exceeds the total workers compensation benefits paid.

Preserving Evidence After a Confined Space Accident

Oregon OSHA must be notified of any hospitalization within 24 hours and any fatality within 8 hours. Oregon OSHA investigates and its records become accessible through public records requests. Kaplan Law moves immediately to serve evidence preservation demands on all responsible parties and retains an independent confined space safety expert to inspect the space, equipment, and any monitoring devices before anything is altered.

Do not wait to contact an attorney after a serious confined space accident or fatality.

Contact Kaplan Law After an Oregon Confined Space Accident

Kaplan Law, LLC handles catastrophic confined space injury and wrongful death cases throughout Oregon and Southwest Washington. Matthew Kaplan advances all costs and charges no fee unless he wins.

Kaplan Law, LLC  |  50 SW Pine Street, Suite 302, Portland, Oregon 97204  |  (503) 226-3844  |  mdkaplanlaw.com

Free consultation. No fee unless we win. Licensed in Oregon and Washington.