Industrial Safety Protocols and Risk Assessment Flashcards
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Read the first 7 Industrial Safety Protocols and Risk Assessment flashcards as text
A torch operator discovers that a combustible gas detector has an expired calibration date. What should the operator do?
Answer: Take the detector out of service until it is recalibrated
An uncalibrated gas detector cannot provide reliable readings and must be removed from service to avoid false assurance of safety.
Under the hierarchy of hazard controls, which option ranks BELOW engineering controls but ABOVE PPE?
Answer: Administrative controls
Administrative controls (procedures, training, work schedules) rank third in the hierarchy, between engineering controls and PPE.
Which atmospheric condition, if identified during a pre-work survey, would PROHIBIT the issuance of a hot work permit?
Answer: Flammable vapor concentration at or above 10% LEL
OSHA and NFPA prohibit hot work when flammable vapor concentration equals or exceeds 10% of the LEL due to explosion risk.
An incident investigation follows a 'near miss' during torch operations. What is the PRIMARY goal of such an investigation?
Answer: To identify root causes and implement corrective actions to prevent recurrence
Incident investigations aim to uncover root causes so systemic improvements can be made and future incidents prevented.
What is 'residual risk' in the context of torch operation risk assessment?
Answer: The level of risk that remains after all controls have been applied
Residual risk is the remaining risk after controls are in place; it determines whether the work can proceed safely or requires additional mitigation.
When must a new hot work permit be issued for torch operations that extend beyond the original permit's time limit?
Answer: Before any additional work begins beyond the permitted time period
Conditions can change over time, so a new permit with a fresh inspection is required whenever the authorized time window expires.
Which of the following is an example of an administrative control for torch operations near combustible materials?
Answer: Scheduling hot work for hours when the area is unoccupied
Scheduling work to minimize personnel exposure and reduce surrounding activity is an administrative control that modifies work practices.