Exam 2 Flashcards
What is the primary purpose of paint on a ship?
To protect the hull
What is the highest percentage of LEL allowed in an enclosed space that is to be entered?
1%
Defn: Lowest concentration (percentage) of a gas or vapor in air capable of producing a flash of fire in presence of an ignition source.
Lower Explosive Limit
How often is the equipment status on board ship surveyed?
Annually
Can Emergency Escape Breathing Devices be used for rescuing someone?
NO
Name (2) types of dry docks:
- Graving dock
- Floating dry dock
What are (3) examples of jobs that might require a risk assessment worksheet?
- Working aloft / over the side
- Confined space entry
- Lock out / Tag out
(T/F) In order to be authorized to build a scaffolding one must be trained and certified.
True
Defn: A source of potential harm or damage
Hazard
What surface should one use light blasting, wooden over metal hand tools, and etch primer before coating?
Aluminum
What (2) types of ventilation can be used to vent an enclosed space?
- Natural
- Mechanical (blower)
What is the percentage of the dry docking maintenance cost made up by repainting a ship?
50%
What is water blasting used for?
Cleaning a surface and removing rust.
Defn: A line passed through a sheave used for hoisting workers, tools, etc.
Gantline
What is the minimum percentage of oxygen allowed in an enclosed space for work?
20.9% (must be higher than 20.8%)
How long should a fire watch be stood after hot work has been completed?
2 hours
____________ identify the hazards and ensure safe procedures are followed.
Permit to Work systems
What acts as a sacrificial anode within paint and on the hull of ships to prevent corrosion?
Zinc
What surface should one ensure is clean and lightly sanded prior to applying paint?
Fiberglass
What are (3) distinct paints for specific parts of a ship?
- Topside paints
- Boot-top paints
- Bottom paints
Over 50% of workers who die in confined spaces are attempting to do what?
Rescue other workers
What is the percentage of drag that is reduced as a result of using anti-fouling paint?
20%
Defn: Work involving sources of ignition or temperatures sufficiently high to cause the ignition of a flammable gas mixture.
Hot work
What are the two parts of paint?
- Part A: Coating Agent
- Part B: Curing Agent
Which part of paint contains the pigment of the paint?
Part A: Coating agent
How often is the PMS program verified to ensure proper utilization?
Every 5 years
Anything more than _______% is considered oxygen enriched.
21%
(T/F) Anyone is allowed to build scaffolding provided they get permission from the Captain.
False
Which paint is applied to the hull first (anti-fouling or anti-corrosive)? Why?
Anti-corrosive - because anti-fouling paint can damage the steel
What does JSA stand for?
Job Safety Analysis
What is required equipment for someone who is going over the side on a bosun’s chair?
- Safety harness that is tied off to the ship
Defn: An electrochemical reaction caused when a a cathode and anode form on metal.
Corrosion
What is the limit for CO in an enclosed space for work?
50 ppm for 8 hrs
What are (3) types of paint?
- Chemical curing paint
- Oxidative paint
- Physically drying paint
This system lists all equipment needing maintenance on board by department, the time intervals required for mx, job descriptions of the mx, mx history, must be signed off by the responsible party and must be in English.
Planned Maintenance System (PMS)
What does SMS stand for?
Safety Management System
To provide an international standard for the safe management and operation of ships and pollution prevention is the purpose of what?
ISM
A Certificate of ________ is very important for a ship trading goods, maintaining insurance for cargo and hull, and for ship registration.
Certificate of Class
What (4) types of grit can be used in grit blasting?
- Sand
- Slag
- Minerals
- Steel shot
What indicates a failed chalk test on a watertight door?
The line of chalk on the gasket being broken/incomplete
(3) power tools involved in surface prep prior to painting:
- grinder
- needle gun
- deck hammer
What is the main concern with storing paint on ship?
Spontaneous combustion
What does PMS stand for?
Planned Maintenance System
(3) hand tools involved in surface prep prior to painting:
- wire brushes
- chipping hammers
- scrappers
This system:
- ensures that all maintenance is carried out
- keeps all equipment in good working order
- defines onboard and shoreside maintenance
Planned Maintenance System
What does ISM Code stand for?
International Safety Management Code
What is used to seal equipment and prevent leakage?
Gasket
What is a concern with water blasting a surface? (2)
- May not remove all materials
- Not always effective on older hulls
What is required for corrosion to form? (2)
- Oxygen
- Moisture
What program allows the ship crew to keep track of all equipment maintenance, record maintenance actions taken, and calculate next maintenance due dates?
Planned Maintenance System (PMS)
What are the (3) elements that comprise the definition of an enclosed space?
- Limited openings for entry and exit
- Unfavorable natural ventilation
- Not designed for human occupation
Defn: The likelihood that a hazard could occur and the consequences associated with it.
Risk
A blasting mixture of water and silica (sand) material is called what?
Slurry blasting
Planning and scheduling of maintenance, including all documentation is mandatory under this program?
ISM
Defn: Lines used to lash objects to the side of the ship
Lizard
What is applied to bare steel before applying paint?
Primer coat
What surface should one be concerned with degreasing, avoidance of heavy blasting and chipping hammers?
Steel
How often should venting occur when an enclosed space is occupied?
Continuously
Almost ______ to ______ % of failures occur after the maintenance has been done.
60 - 70%
What type of knot should be used to tie off a bosun’s chair?
Double sheet bend
Who is responsible for the ship while it is in drydock?
Dockmaster
What is the limit for H2S in an enclosed space for work?
10 ppm for 8 hrs
Key safety principles of:
- to attain a committment to safety by company management
- proactively identify hazards
- take actions to manage risks
- evaluate safety actions
are elements of what system?
SMS
How much more growth can occur on a ship’s hull without anti-fouling paint?
60%
What does UWILD stand for?
UnderWater Inspection In Lieu of Drydock
What is the most effective form of blasting a hull prior to painting?
Grit blasting
What is a negative associated with sand blasting? Why is it a concern?
a. Produces dust
b. environmental concern
How often should a drill be conducted for tank entry and rescue on board a ship?
Every 2 months
What is the main difference between a JSA and a Permit to Work?
a. JSA is job specific
b. Permit to Work is time specific
What surface should one sand and use a primer that will soak into the material?
Wood
