15 Questions
Who is defined as a competent person according to the OSHA Construction Standard?
Someone capable of identifying workplace hazards and authorized to take corrective measures
In what circumstances may a competent person determine that a protective system is not required for trenches?
If the trench is less than 5 feet deep
When are trenches required to have the protective system designed by a registered professional engineer?
If the trench is 20 feet deep or greater
What is the responsibility of employers regarding the inspection of trenches according to OSHA standards?
To have a competent person inspect trenches daily and as conditions change
What is a competent person responsible for in trenching operations?
Identifying hazards and working conditions hazardous to workers
According to OSHA standards, when should trenches and protective systems be inspected?
Daily and as conditions change by a competent person
What type of soil is Type A according to OSHA classification?
Cohesive soil with unconfined compressive strength of 1.5 tsf or greater
What are examples of Type B soils according to OSHA classification?
Silt, previously disturbed soils, and dry unstable rock
What is the responsibility of a competent person in the context of safety rules?
Stopping and correcting unsafe acts or situations
What is emphasized as a part of the job in the context of common sense safety rules?
Treating safety as an important part of the job
What is recommended regarding safety procedures and equipment in the context of common sense safety rules?
Reminding coworkers about safety procedures and equipment
What is advised in case of not understanding safety procedures?
Asking questions when you don’t understand
What is warned against in the context of common sense safety rules?
Overconfidence with familiar tasks
What is discouraged in the context of common sense safety rules?
Taking shortcuts on the job
What is highlighted as the responsibility of an individual if they see an unsafe act or situation?
Stopping and correcting the issue in any way possible
Study Notes
OSHA Construction Standard: Competent Person and Trenching Operations
- A competent person is defined as one who is capable of identifying existing and predictable hazards in the surroundings, or working conditions that are unsanitary, hazardous, or dangerous to employees.
Circumstances for Protective System in Trenches
- A competent person may determine that a protective system is not required for trenches if the trench is less than 5 feet deep or is benched to a stable angle, among other conditions.
Designing Protective Systems
- Trenches over 20 feet deep require a protective system designed by a registered professional engineer.
Employer Responsibilities
- Employers are responsible for inspecting trenches as often as necessary to ensure they are safe.
Competent Person Responsibilities
- A competent person is responsible for inspecting trenches, ensuring safe entry and exit, and determining whether a protective system is required.
Inspection of Trenches
- Trenches and protective systems must be inspected daily, before the start of work, and after any changes or environmental changes.
OSHA Soil Classification
- Type A soil is classified as "stiff clay, very stiff clay, hard clay, or rocky soil that is very difficult to penetrate".
Type B Soils
- Examples of Type B soils include stiff soils, very stiff soils, hard soils, or rocky soils that are difficult to penetrate.
Responsibility of a Competent Person
- A competent person is responsible for ensuring that safety rules are followed, identifying hazards, and taking corrective action.
Common Sense Safety Rules
- Following safety procedures and using personal protective equipment (PPE) are emphasized as part of the job.
- It is recommended to review and understand safety procedures and equipment before starting work.
- If unsure about safety procedures, ask for clarification or guidance.
- Do not take unnecessary risks or shortcut safety procedures.
- Do not ignore or disregard safety rules.
- If an individual sees an unsafe act or situation, they should alert the competent person or supervisor.
Test your knowledge of OSHA construction standards with this quiz on competent person requirements. Assess your understanding of hazard identification, working condition assessment, and the authority to take corrective actions. Perfect for construction workers, safety professionals, and anyone involved in the construction industry.
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