hot work

What is cold work?

+ Work which cannot create a source of ignition

Which of the following are included in the list of hot work task?

8x wszystkie

In developing their SMS, which of the following does the ISM Code specificially encourage

Companies to take into account?

+ Applicable industry publications and guidelines

Which of the following does the ISM Code require ship operators to do?

+ Wszystkie Establish safeguards against all identified risk

+ Continuously improve the safety

+ Provide for safe practices

Previous Safety MS were compliance - based. The ism code has different approach. On which of the following is it based?

+ Risk Assessment and Risk Management

The bracket supporting the navigation lights on the foremast has been damaged and needs to be re – welded in place. Which of the following “permits to work” will be required before this job is started?

+ A “permit to work aloft”

+ A “hot work permit”

Which of the following areas may need to be checked for the presentence of combustible materials which may be affected by heat and sparks before any hot work is commenced?

+ 4 Below the work

+ at intended hot work sied

+ Adjacent to work

+ Above

In views of the potential for delayed fires resulting from use of burning or welding apparatus, what should be done in areas considered at risk?

+ Check should also be continued for at least two hours after work has been completed

What is the “Permit to work” designated to do?

+ Lead the operator through an appropriate process in a logical, detailed and responsible manner and ensure that all safety concerns raised by the risk assessment are satisfactorily addressed

Which of the following items be discussed at a planning meeting? All 6x

+ tool box

+ safety briefing

+ risk assessment

+ Procedures

+ Work permit

+ isolation and tagging

Which of the following defines Risk Assessment

+ A thorough and careful analysis of what, in the range of operation, couldcause harm, so that decisions can be made as to whether enough precautions have been taken, or whether more should be done to prevent harm

What is required any hot work task can be commenced on board?

+ Careful assessment of all related hazards and the probability of their occurrence to determine the severity of the risk involved

It is intended to perform a welding repair to bracket on a bulkhead just outside the purifier room.

The bulkhead to the fuel oil setting tank is 640mm away from bracket. Can repair take place?

+ Yes provided a Risk Assessment has been done and all appropriate safety precautions have been taken

Prior hot work taking place what level should be measured in the atmosphere in space (not a designated space) when tested for concentration of a hydrocarbon gas in air?

+ less than 1% LFL

A hot work repair is to be taken place on ladder in a fuel bunker tank. How should pipelines connected to the tank be treated before that hot work begins?

+ they should be flushed through with water drained vented and isolated from the compartments where hot work will take place

Unless it is cleaned for hot work at what minimum distance is a hot work repair permitted the bulkhead of a bunker tank?

+ 500milimeter

If a hot work is intended for dedicated gas safe area on the poop deck, is it necessary to perform a Risk Assessment

+ yes

Which of the following is definition of the Lower Explosive Limit

+ Where the concentration of a hydrocarbon gas in air is below that in which there is sufficient hydrocarbon to support and propagate combustion

When is a tank compartment or container considered to be gas free?

+ when sufficient fresh air has been introduced into it lower level of any flammable toxic or inert gas

Which of the following is considered to be a “change in conditions” that will require a hot work permit to be withdraw? 4x

+ 4x two men, the specification, before, the hot work

If the welder recives an electric shock rozsypanka

+ immediately cut power, rise alarm, provide medical assi

Where on board should be considered as the best location for hot work?

+ A designated space such as the engine room workshop

A hot work repair is to take place on leader in cargo tank. How should pipelines that connect the tank to other cargo spaces be threated before hot work begins?

+ They should be flashed through with water drained vented and isolated from the compartment

Some broken railings are scheduled to be welded on the tank deck. Ship is empty and partly ballasted. No cargo operations are taking place. It is necessary to test the ballast tank adjacent to hot worksite for the present of hydrocarbon

+ yes

A damage bracket in cargo tank 1 port is to be cut away and replaced. The vessel is at sea and is not inerted. Although not loaded there are some slops in cargo tank 1 starboard. What must happen to these slop before hot work start?

+ The slops must be transferred to non adjacent tank, at least 30 meters

The transfer and isolation of slops is a requirement in many hot work situation. Is there an alternative ?

+ Yes the slops can be removed from the vessel

Is cargo tank diagonally across the point at which longitude and transverse tank bulkhead meet considered to be adjacent for the purposes of hot work req?

+ Yes

If hot work is to be undertaken on a catwalk support, at height of 400 mm above the deck and directly over a cargo tank, to what equivalent standard should the safety measures?

+ To those that apply if the hot work was being carried out inside the tank directly below the hot work location

At which of the following times should hot work be prohibited on a tanker? Select all

+ when gas freeing

+ during purging or inerting

+ during tank cleaning

+ during ballast operations

+ during cargo operations

What could be an indication of decomposing Acetylene in gas cylinder?

+ A rise in temperature in the cylinder

How should portable lights be used when illuminating an area of work?

+ they should be clamped or otherwise secured in position with leads kept clear of the working area

What type of boiler suit or coveralls should be worn by person carrying out a hot work task?

+ long sleeved cotton

What should be put on the top of gas cylinder when it is to be moved on to the ships main deck for hot work?

+ the protective cap

When appropriate how might a contractor’s supervision or foreman confirm his awareness of the hazards and safety precautions req to be reduce the risk to an acceptable level when undertaking a hot work task on board ship By signing the formal approval relevant to the work or his gang are to be perform

Who is responsible for ensuring that adequate arrangements are provided for contractors or work gangs, temporarily employed on board to understood and comply with all relevant safe working practices?

+ the master

When ship is dry dock who will normally carry out the testing of the atmosphere prior to entry into enclosed spaces and for hot work?

+ The shipyard chemist

The ship is to carry some repairs including hot work at a lay by berth. Shoreside contractors are to be brought in for some of this work? Why must the Risk Assessment for the intended work take special account ?

+ Because they will be exposed to hazards not normally encountered on shore ad they may have little or no maritime experience

When ship is in dry dock …primarily govern…actions

+ the shipyard SMS


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