Confined Space Entry Procedures Flashcards
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Read the first 7 Confined Space Entry Procedures flashcards as text
Under OSHA 29 CFR 1910.146, what must an employer do before reclassifying a permit-required confined space to a non-permit space?
Answer: Eliminate or control all hazards through continuous forced-air ventilation and document the conditions
An employer may reclassify a permit space to a non-permit space only by eliminating or continuously controlling all hazards and documenting that the space no longer poses a serious physical hazard.
A worker inside a confined space reports feeling dizzy and disoriented. What is the FIRST action the attendant should take?
Answer: Order the entrant to exit the space immediately
The attendant's first priority is to order the entrant to exit the space immediately upon any sign of physiological distress.
Which gas is often called a 'simple asphyxiant' and is particularly dangerous in confined spaces because it is odorless and colorless?
Answer: Nitrogen
Nitrogen is a simple asphyxiant that displaces oxygen without any warning odor or color, making it extremely dangerous in confined spaces.
What is the minimum oxygen concentration required for safe entry into a confined space according to OSHA standards?
Answer: 19.5%
OSHA requires a minimum of 19.5% oxygen concentration for safe entry into a confined space; below this level is considered oxygen-deficient.
During confined space entry, the entry supervisor notices the permit has expired but work is not complete. What should occur?
Answer: A new permit must be issued after re-evaluating the space conditions
An expired permit is invalid; all entrants must exit and a new permit must be issued after re-evaluating all hazards and conditions.
What information must be included on a confined space entry permit? (Select the BEST answer)
Answer: Entrant names, authorized duration, hazards identified, and required protective equipment
OSHA 1910.146 requires permits to include the names of entrants, authorized entry duration, identified hazards, required PPE, and other specific safety information.
Which of the following best describes the role of an 'authorized entrant' in a permit-required confined space program?
Answer: A worker who has been trained and authorized by the employer to enter the confined space
An authorized entrant is an employee who has received training and employer authorization specifically to enter permit-required confined spaces.