Inspections, Audits, Observations, and Corrective Action Tracking
Key Takeaways
- Inspections check field conditions; audits evaluate whether the management system is established, documented, and effective; observations examine work behavior and decisions.
- High-hazard equipment requires defined frequencies: excavations and scaffolds before each shift, fall-arrest gear before each use, cranes annually plus daily/shift checks.
- A useful corrective action records the finding, hazard level, interim control, owner, due date, completion evidence, verification, and closure date.
- Imminent-danger findings require immediate removal of workers from exposure before any documentation.
- Repeated findings are program data that should drive changes to supervision, procurement, layout, or coordination, not just individual reminders.
Inspections, Audits, Observations, and Corrective Action Tracking
Three Distinct Review Methods
Construction programs use three review methods that the CHST exam treats as distinct. An inspection is a field check of conditions, equipment, practices, and controls. An audit is a structured review of whether a program meets its requirements, is documented, and is implemented. An observation focuses on work practices, decision points, and the interaction among workers, supervisors, tools, and procedures. Inspections answer is this trench safe right now?; audits answer does our excavation program actually function?; observations answer why did the crew skip the atmospheric test?
A CHST may inspect scaffolds, excavations, ladders, housekeeping, GFCI-protected cords, PPE, fire extinguishers, traffic control, hot-work areas, and environmental controls. Audits review training records, permits, subcontractor prequalification, OSHA 300 logs, exposure assessments, crane documentation, inspection frequency, and corrective-action closure. Observations examine how a crew plans a lift, controls line of fire, dons fall protection, or communicates during backing.
Inspection Frequency Is Hazard-Driven
OSHA sets specific inspection cadences the CHST must know:
- Excavations (1926.651(k)): a competent person inspects daily, before each shift, and after any hazard-increasing event such as rain.
- Scaffolds (1926.451(f)(3)): inspected by a competent person before each work shift and after anything that could affect structural integrity.
- Personal fall-arrest systems (1926.502(d)(21)): inspected prior to each use for wear, damage, and deterioration.
- Cranes (1926.1412): each shift (visual), monthly (documented), and annual/comprehensive inspection by a qualified person.
Additional inspections follow storms, damage, modifications, incidents, or long shutdowns.
Inspection Quality
A weak inspection is a checklist filled from memory without entering the work area. A strong inspection compares field conditions to standards, plans, manuals, permits, and known hazards, and records what was checked, what was found, the risk level, the immediate control, the responsible person, and follow-up.
| Finding type | Example | Immediate concern |
|---|---|---|
| Imminent danger | Worker in unprotected 6-ft trench | Remove worker, stop exposure now |
| Serious hazard | Missing guardrail at active edge | Barricade, repair, verify |
| Program gap | No silica plan for a Table 1 cutting task | Pause task, implement controls |
| Documentation gap | Missing competent-person inspection form | Confirm the control was actually verified |
Audits and Observations
Audits look for system performance. If the fall-protection plan requires rescue planning, the audit checks for rescue equipment, training, drill records, and pre-task discussions. If hazard communication requires SDS access, the audit verifies workers can reach safety data sheets during the shift. Audits must sample enough records and field conditions to support a sound conclusion. Behavior-based observations can reveal pressure, shortcuts, and good practice, but they must not become a worker-blame program; if several workers skip a step, ask whether the procedure is realistic, tools are available, or the schedule is driving risk.
Corrective Action Tracking
Findings have little value unless corrected. A corrective-action system records the finding, hazard level, required action, interim control, responsible owner, due date, completion evidence, verification, and closure date. Serious hazards get immediate interim controls. Specific is better than vague: Replace and remove from service damaged ladder A-14 beats improve ladder safety; Install edge protection at Level 4 east opening by 1400 and verify before work resumes beats remind crews about holes. For serious issues the CHST verifies closure in the field, not by a verbal statement.
Using Findings
Repeated findings are program data. If inspections repeatedly find blocked exits, missing eye protection, or undocumented equipment checks, the cause may lie in supervision, planning, procurement, orientation, layout, or contractor coordination. The program must change the conditions that make recurrence likely.
Risk-Ranking Findings
Not every finding gets the same response. The CHST ranks findings so resources match risk. A common scheme rates a finding by potential severity and likelihood, then assigns a correction timeframe.
| Risk level | Definition | Typical timeframe |
|---|---|---|
| Imminent danger | Could cause death or serious harm immediately | Stop work, correct now |
| High / serious | Serious harm likely if unaddressed | Same shift, with interim control |
| Moderate | Injury possible, controllable | 24-72 hours |
| Low | Minor or housekeeping | Routine, tracked to closure |
Ranking prevents two failure modes: treating a guardrail gap like a litter problem, and burying the team in equal-weight findings so nothing gets prioritized.
Closing the Loop and Verification
The weakest link in most programs is verification. An entry marked complete is not closure until someone confirms the hazard is actually gone in the field. For serious hazards the CHST verifies personally; for routine items a competent supervisor may verify and document. The corrective-action log should show the gap between finding date and closure date so that aging open items become visible. A growing backlog of overdue actions is itself a leading indicator of weak follow-through or insufficient resources.
Behavior-Based Observation Done Right
Observation programs add value when they capture both at-risk and safe behaviors, feed data back to crews, and ask why a behavior occurred. If observers repeatedly see workers bypass a step, the system, not the worker, is usually the problem: the procedure may be unrealistic, the tool unavailable, or the schedule may reward speed over safety. A program that only counts unsafe acts and disciplines workers will suppress reporting and hide the real hazards. The CHST uses observation data alongside inspection and audit data to triangulate where controls are failing, and routes systemic findings into the corrective-action and trend processes rather than into individual blame.
During an inspection the CHST finds workers entering a 6-ft trench with no protective system and no competent-person inspection. What is the best immediate action?
Which corrective-action entry is most useful for tracking closure?
What is the main difference between an inspection and an audit?