Confined Space
Before entering
When should you read a confined space log?
Control
Security is referred to as what on 2 way radios?
Use carts, hand trucks, hoists, conveyors or other mechanical assistance; Slide objects instead of lifting them; Store heavy items where you won’t have to bend or reach to lift them; Use ladders to get items down from high shelves
What are some alternatives to lifting
Fall Protection/Safety harness
What is required when working on scaffold that has a yellow tag?
Class C
What class of fire is live electrical equipment?
From our own burning leads and misuse of oxygen.
In shipbuilding and repair, what are the main causes of a space to become flammable or explosive?
• Whether the emergency is medical or fire
• The location of the emergency (ship, shop, yard)
• What happened
• If an injury – condition and location of the injured
• If a fire, what is burning
Name three things to tell Control when reporting an emergency
Counter stretching, micro breaks & getting help to lift heavy objects
What can you do to reduce work and sport related injuries?
Horizontal and vertical movement
Why is a fall restraint system required for a boom lift and not a scissor lift?
Class A
What class of fire is wood, cloth, rubber, and plastics?
No. Never try to recue anyone from a confined space.
You see a man unconscious in a confined space, should you try to rescue him?
Control (Security)
Who ends a call when an emergency is reported?
Too low ,Too high & Too far away or too small to maintain ideal body positions
Awkward postures occur when work is
When working in a boom lift over water
What is the only time a quick disconnect belt can be worn instead of a safety harness?
Turn off the power if possible
What is the first thing you should do in the event of an electrical fire?
With the ventilation turned off, atmospheres can change for the worst. Have it tested before entering.
What should you do if you are about to enter a confined space and you observe that the ventilation has been turned off, yet the Marine Chemist Certificate calls for mechanical ventilation to be maintained?
• On naval ships to the quarter deck
• Other locations – local emergency services.
Where are offsite emergencies reported?
Eliminate awkward postures
Raising and/or tilting work for better access, using a stool for ground level work, using tools with longer handles, and alternating between bending kneeling, sitting and squatting are all ways to:
¾ inch plywood cleated by 2X4 and labeled with the placard “open hole”
Describe a properly covered deck opening?
Cover combustible material within 35 feet of hot work area, contain your hot work and/or post a fire watch.
If you can't remove combustible materials from the work area before performing hot work what is the requirement?
oxygen, acetylene/natural gas from cutting torches, paint fumes/vapors
What are some sources of an explosive atmosphere in confined spaces?
Your muster area.
Where should you report if a local evacuation is ordered?
Enhance physical fitness, reduce injuries to joints muscles and tendons, increase suppleness
When done properly stretching can do more than just increase flexibility such as:
A fall protection lanyard
What must be hooked to a basket of a boom lift?
No they must be tied up with fire resistant material (Yellow Lightning).
On navy vessels it is ok to tie up lines and leads with any material?