General Duty Clause: Manufacturer Torque-Test Protocols as Feasible Abatement and Limits on Contractor-Reliance

1) Introduction

Henkels & McCoy, Inc. (“Henkels”) performs utility maintenance using digger derricks. A fatal accident occurred when the boom and captain’s chair assembly on an Altec DC47-series digger derrick detached from its pedestal and fell, ejecting the crew leader. OSHA cited Henkels under the Occupational Safety and Health Act’s general duty clause, alleging that Henkels failed to ensure rotation-bearing mounting bolts were properly maintained—specifically, that it failed to ensure testing consistent with Altec’s maintenance manual.

The key issues on petition for review were whether OSHRC acted arbitrarily or capriciously or lacked substantial evidence in finding: (i) a cognizable “hazard,” (ii) industry recognition, (iii) feasible and effective abatement, and (iv) seriousness via employer knowledge/constructive knowledge—especially given Henkels’s use of a third-party inspector (Diversified Inspections/ITL Inc.) and evidence of a later manufacturer recall.

2) Summary of the Opinion

The Eleventh Circuit denied Henkels’s petition and upheld OSHRC’s decision. Applying deferential review, the court held that substantial evidence supported OSHRC’s findings that:

• Employees were exposed to a struck-by/crushing hazard from potential boom separation caused by improper bolt maintenance practices.
• The hazard was “recognized” in the industry, supported by Altec’s explicit warning decals and manual instructions.
• A feasible, effective abatement existed: follow Altec’s recommended visual inspections and annual torque testing to at least 90% of installation tightness (325 foot-pounds).
• The violation was “serious” because Henkels had constructive knowledge—given its contractual arrangements, history, and disclaimers that torque testing remained Henkels’s responsibility.

Critically, the court endorsed OSHRC’s framing that general-duty-clause abatement is assessed by whether it would materially reduce the generic hazard, not whether it would have prevented the particular accident, and it rejected Henkels’s attempt to shift responsibility to Diversified where agreements and disclaimers put torque testing on Henkels.

3) Analysis

A. Precedents Cited

B. Legal Reasoning

1) Hazard definition: “practice” plus physical risk.
Henkels argued that failing to torque test is not a “physical condition” and thus cannot be a hazard. Relying on Chewy, Inc. v. U.S. Dep't of Lab. (and Brock v. Williams Enters. of Ga., Inc.), the court accepted that a hazardous “practice” can qualify. It further emphasized that OSHRC defined the hazard as the physical event and consequences—being struck or crushed if the boom detaches—while referencing maintenance failures to capture employer-controlled contributors (consistent with Davey Tree Expert Co.).

2) “Hazard” vs. “abatement”: avoiding a forbidden circularity.
Henkels contended OSHA defined the hazard as the absence of the proposed abatement (torque testing). The court rejected that characterization: the hazard was boom separation and resulting struck-by/crushing injury, with the maintenance lapse serving to identify a controllable practice causing exposure. This distinction matters because the general duty clause targets hazards employers can abate (Ga. Elec. Co. v. Marshall).

3) Recognition: explicit manufacturer warnings as probative industry evidence.
The court treated Altec’s warnings (“failure to inspect and properly torque... can cause structural failure... death or serious injury could result”) as strong evidence of recognition, consistent with K.E.R. Enters., Inc.. Henkels’s grammatical argument—that “inspect and properly torque” requires both failures—was rejected using contextual interpretation principles referenced in Pulsifer v. United States.

4) Abatement: “materially reduce the hazard,” not “prevent this accident.”
OSHRC credited expert testimony (Toone) that torque testing per manufacturer recommendations improves safety by reducing risk of fatigue failure/backing out and by detecting failures in controlled conditions. Henkels countered with evidence of a later recall and expert testimony (Stevick) that a design defect was the true cause and torque testing might not have prevented the fatal event.

The court endorsed OSHRC’s analytical pivot: under UHS of Delaware, Inc. v. Sec'y of Lab. and Champlin Petroleum Co. v. Occupational Safety & Health Rev. Comm'n, the question is whether the proposed steps would eliminate or materially reduce the generic hazard (boom separation and struck-by/crush exposure), not whether they would have prevented the specific failure mechanism alleged by the employer. Thus, evidence that a defect existed or that torque testing might not have prevented this accident did not defeat the “likely utility” of torque testing as hazard-reduction.

The court also rejected the “new hazard” argument: even if other hazards exist (e.g., manufacturer defect), that does not negate that the cited hazard can be materially reduced by compliance with manufacturer torque protocols.

5) Seriousness and knowledge: disclaimers and retained responsibility defeat contractor reliance.
OSHRC found constructive knowledge based on the long-running allocation of duties in the Henkels–Diversified relationship: written agreements (including an express west-region term that torque verification was Henkels’s responsibility) and later report disclaimers stating Diversified did not torque test and that the customer must torque per manufacturer specs.

The Eleventh Circuit held OSHRC applied the correct legal standard (tracking 29 U.S.C. § 666(k)), and that months of disclaimer-bearing reports plus Henkels’s approval of the new reporting format sufficed to show that, with reasonable diligence, Henkels could have known torque testing was not being performed.

On contractor reliance, the court declined to decide the burden-allocation question under Sasser Electric & Manufacturing Co., but held reliance would fail anyway under the limiting principle articulated in Fabi Constr. Co. v. Sec'y of Lab.: Henkels had prior experience torque testing, retained control, and was repeatedly notified torque testing was not being performed by Diversified.

C. Impact

• Manufacturer maintenance instructions can function as a roadmap for general-duty abatement. Where a manufacturer provides clear inspection/torque protocols and explicit safety warnings, employers face heightened risk that OSHA/OSHRC will treat those protocols as feasible, effective abatement—especially when supported by expert testimony on hazard reduction.
• Abatement disputes will turn on “generic hazard reduction,” not accident causation debates. This opinion reinforces that an employer cannot defeat a general duty citation merely by showing the proposed abatement would not have prevented the particular accident, so long as it would materially reduce the underlying hazard category.
• Outsourcing inspections does not outsource OSHA responsibility. Written scopes of work and inspection-report disclaimers allocating tasks to the employer can strongly support constructive knowledge and defeat “reasonable reliance” arguments.
• Grammar-based defenses to recognition warnings are unlikely to succeed. The court’s contextual reading of “inspect and properly torque” signals skepticism toward hyper-literal parsing when the warning’s safety message is plain.

4) Complex Concepts Simplified

• General duty clause (29 U.S.C. § 654(a)(1)): a catch-all duty requiring employers to keep workplaces free from “recognized hazards” likely to cause death/serious harm when no specific OSHA standard directly covers the hazard.
• Recognized hazard: a danger the employer or the industry generally knows is hazardous. Manufacturer warnings and manuals with explicit safety language can be persuasive proof of recognition.
• Feasible and effective abatement: a practical measure the employer can implement that would eliminate or materially reduce the hazard. It need not guarantee prevention of every accident; it must meaningfully reduce the risk.
• Generic hazard vs. particular accident: OSHA can prove a violation by showing the employer’s practices exposed workers to a category of harm (e.g., boom separation and crush risk), even if the employer argues the specific accident happened for additional reasons (e.g., design defect).
• Serious violation / constructive knowledge (29 U.S.C. § 666(k)): a violation is “serious” if there is a substantial probability of death/serious harm and the employer knew or, with reasonable diligence, could have known of the violative condition/practice.
• Substantial evidence: enough relevant evidence that a reasonable person could accept it as adequate—more than a trace, less than certainty.
• Arbitrary and capricious: a deferential review standard; a decision is invalid only if the agency ignored important issues, relied on improper factors, contradicted the record, or offered an implausible explanation.

5) Conclusion

The Eleventh Circuit’s decision sustains a general-duty-clause citation grounded in failure to follow manufacturer torque-testing instructions for critical structural fasteners on heavy equipment. The opinion’s practical doctrinal contributions are: (1) hazards may be framed to include employer “practices” that create physical risk; (2) manufacturer warnings/manuals can strongly evidence industry recognition and feasible abatement; (3) abatement is evaluated by material reduction of the generic hazard, not by proving prevention of the particular accident; and (4) employers cannot credibly rely on third-party inspectors to defeat knowledge where contracts, disclaimers, expertise, and control demonstrate retained responsibility.

Note: The opinion is labeled “NOT FOR PUBLICATION,” but it still illustrates how the Eleventh Circuit applies settled general-duty-clause principles to manufacturer-specified maintenance protocols and contractor-allocation evidence.