Module 5: Operations

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• Module 5 Operations Hot Work
• 5.3 Hot Work, Permits, and Inspections
• Susan Harwood Grant Number SH-17820-08-60-F-23

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• This material was produced under grant number
  SH-17820-08-60-F-23 from the Occupational Safety
  and Health Administration, U.S. Department of
  Labor. It does not necessarily reflect the views
  or polices of the U.S. Department of Labor, nor
  does mention of trade names, commercial products,
  or organizations imply endorsement by the U.S.
  Government.

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• Identify the steps to prepare space for hot work
• Review the procedures for testing the atmosphere
• Describe types of hot work operations
• List personnel protective equipment needed

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• Cutting, brazing
• Source of ignition when flammable materials exist
• Becomes hot work processes
• Hot work permit

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Hot work is one of the most essential operations
in dismantling a vessel.
Figure 1 Fire watch standing by during hot work
in cargo tank
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Figure 2 Torch cutting through the hull
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Includes welding, cutting, burning, abrasive
blasting, and other heat-producing operations.
Figure 3 Cutting torch operations
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Dismantling of vessels generally occurs in
confined or enclosed spaces.
Figure 4 Hot work inside cargo hold
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Many accidents happen during hot work operations
due to falls, accidents, burns, explosions,
fires, etc.
Figure 5 Cutter working along walkway inside
cargo compartment
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First there needs to be a plan on the type of hot
work that is to take.
Figure 6 Cutting with torches inside yard
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Adjacent spaces need to be surveyed to verify
that the hot work operations will not cause
hazardous conditions.
Figure 7 Cargo vessel awaiting to be inspected
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Figure 8 Working in bilge area near shaft alley
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Figure 9 Piping removed from the hull
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Figure 10 Long view of a compartment being
removed
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Figure 11 Compartment with two hot work
operations
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Figure 12 Cut outs for ventilation
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Remember the fire watch is available and has the
appropriate fire suppression equipment.
Figure 13 Fire watch on bank monitoring hot work
on vessel
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Figure 14 Inspecting the area and spaces
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Figure 15 Calibrating equipment
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Areas to be inspected are hollow structures such
as mast and pipes for flammable vapors or
liquids.
Figure 16 View of the double bottom tank and
piping exposed
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Figure 17 View of the engine room compartment
and upper crew decks
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The visual and testing will maintain the Marine
Chemist certificate and prevent the chemist from
re-evaluating the compartment.
Figure 18 Cutting down along the side of the
vessel
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Outside the space signage must be posted Safe
for Hot Work or Safe for Workers.
Figure 19 Posted signage
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Figure 20 Supervisor monitoring the hot work
operations
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The supervisor will provide the scope of the
operations to the workers prior to hot work
beginning.
Figure 21 Surveying the operations
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Figure 22 Hot work on the stern near the rudder
system
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Review the Marine Chemist Certificate and test
log and request re-testing if there are questions
concerning the atmosphere.
Figure 23 Hot work in the exposed engine room
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Check the surfaces for residue or materials that
may affect hot work.
Figure 24 Inside view of the cargo tanks that
were removed
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Figure 25 Fumes raising from the hot work
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Inspect the cutting equipment such as torch,
hoses, gauges, and connections for damage or
leaking.
Figure 26 Cutting torch
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Figure 27 Worker in protective gear
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Account for other personnel that are in the
affected area.
Figure 28 Accountability for personnel at the
gangway
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Figure 29 Cutting torch end
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Figure 30 Engineered railing and warning cable
at leading edge
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Figure 31 Worker cutting last piece before
hoisting section
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Figure 32 Hot Work on main deck above cargo hold
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Figure 33 No hot work on ladders
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Figure 34 Fall protection signage
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Figure 35 Adjusting fall protection gear
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Figure 36 Workers with respirators and face
shields
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Figure 37 Inside view of cargo fuel tanks
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Figure 38 Welding face shield
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Welding hood or face shield should be worn when
there is a risk of sparks or slag coming in
contact with the face.
Figure 39 Face shield with protective coating
shield
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Protective outer clothing must be made out of
material that is fire resistant.
Figure 40 Snapping in fall protection
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Figure 41 Worker wearing approved protective
clothing
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Figure 42 Worker cutting out along the main deck
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Long-cuffed gloves made leather or equivalent
protect hands from cuts and burns.
Figure 43 Hot work with torch on stern of vessel
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Figure 44 Clean protective clothing during hot
work in compartment
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Action Discussion What information should the
supervisor pass on prior to conducting hot work
operations?
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Action Discussion What person should be
ultimately responsible for inspection of the area
before hot work commences? Explain why?
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• OSHA eTool www.osha.gov
• Wikipedia Encyclopedia http//en.wikipedia.org

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Worker safety is a priority.