Noise and Vibration
Reduce noise, hand-arm vibration and whole-body vibration at source and manage exposure over time.
How to prepare for SSSTS
Connect each duty and hazard to the supervisor's workface sequence: check the task and RAMS, brief the team, establish controls, observe and intervene, then report and learn.
Core concepts
Concept 1
Noise and vibration injury can accumulate, so daily exposure depends on magnitude and duration across tasks.
Exam cue: Combine all relevant exposures rather than judging one tool use.
Concept 2
Quieter or lower-vibration methods, maintained equipment, isolation and job design precede hearing or personal protection.
Exam cue: Check trigger time, condition and manufacturer or assessment data.
Concept 3
Information, health surveillance where required and early symptom reporting support control but do not replace prevention.
Exam cue: Investigate symptoms promptly and review the work method.
Risk pitfalls and guardrails
Using job rotation as the only control.
Guardrail: Do not use a signature, course certificate or verbal instruction as a substitute for a missing competent plan or physical control.
Assuming short individual tool use means low total exposure.
Guardrail: Do not use a signature, course certificate or verbal instruction as a substitute for a missing competent plan or physical control.
Treating hearing protection as permission to leave noise uncontrolled.
Guardrail: Do not use a signature, course certificate or verbal instruction as a substitute for a missing competent plan or physical control.
Memory anchors
Magnitude Times Time
Exposure depends on intensity and duration.
Design Out the Dose
Choose quieter and lower-vibration methods.
Maintain to Control
Worn equipment can increase exposure.
Symptoms Speak Early
Tingling or hearing change needs prompt action.
Checkpoint rule
Do the check-up only after you can summarize each concept in one sentence and identify one dangerous pitfall from memory.
Knowledge Check (after reading)
Short check-up to confirm understanding of this module.
Check-up Questions
Next step personalized recommendations
Continue learning
Move forward only after this module is stable.
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