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Managing Hot Work Operations Lessons

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  1. Introduction to Hot Work
  2. How Loss, Injuries and Damage Occur
  3. Managing Hot Works
  4. Actions Prior to the Works Commencing : Steps 1 - 4
  5. Actions Prior to the Works Commencing : Steps 5 - 8
  6. Actions Prior to the Works Commencing: Steps 9 - 12
  7. During the Works
  8. Upon Completion of the Works
  9. Other Standards and Guidance
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Managing Hot Work Operations course excerpts

Introduction to Hot Work

Managing Hot Work Operations Course - Lesson Excerpt

Introduction to Hot Work

How Loss, Injuries and Damage Occur

Managing Hot Work Operations Course - Lesson Excerpt

How Loss, Injuries and Damage Occur

Often these hazards cause fires and/or explosions that can result in extensive damage to premises, plant and equipment and in some cases cause businesses to suffer loss of revenue or profits.

Property damage and interruption to premises/businesses operated by third parties can also arise directly as a result of the works, or as a result of the spread of fire or denial of access in the event of a serious incident.

Burns and eye injuries can also occur to those undertaking the work and also to passers-by. Common management failings that contribute to such losses are included within Appendix 3 which you can check by clicking on the link or going to the briefcase.

Which of the following is **NOT **considered a hazard of completing hot work. (Select all that apply)

Managing Hot Works

Managing Hot Work Operations Course - Lesson Excerpt

Managing Hot Works

Audits must check: Completed Permits Are they being used/completed correctly? Training Records Have all individuals within the management system received appropriate training? Public Liability Insurances Are checks being made on contractor's insurances and are the levels of cover provided appropriate?

Contractors must have adequate public liability insurance in place at the time of the hot works. Policy conditions should be checked to ensure they don't have any exclusions or require certain conditions to be met if carrying out hot work.

In relation to what constitutes adequate public liability insurance, the exact amount will depend on the potential area at risk. and should include any material damage. (buildings, machinery, equipment, stock, etc...) and the impact that a loss would have on business interruption.

An adequate limit would NOT normally be less than £5m and it is essential that the contractor's public liability limit is to an appropriate amount before any work can commence.

Equally, where there are conditions applying, such as heat or hot work policy conditions, then it must be ensured that they are complied with fully before any work can commence.

If any contractor employed then uses a third-party sub-contractor, you must ensure they also have appropriate public liability insurances as mentioned.

Contractors must be made aware of the **specific site hazards **and the fire safety procedures to be adopted, including the hot work permit system and fire watch requirements.

A written undertaking to observe the precautions should be obtained from the contractor(s) prior to commencement of work. Time should be given to providing contractors with a site familiarisation/induction and to understand the procedures they are required to abide by.

Actions Prior to the Works Commencing : Steps 1 - 4

This lesson covers the following steps: 1. The Last Resort Option 2. Use a Dedicated Hot Works Area 3. Checking the Competence of Operatives 4. Reviewing the Proposed Works

Managing Hot Work Operations Course - Lesson Excerpt

Actions Prior to the Works Commencing: Steps 1 - 4

Hot work should be a last resort option when other methods of completing the task have been ruled out Bolts or compression joints rather than welding or soldering? Pipes could be cut using cold cutting techniques? These are just a few examples of how safer working methods can be deployed.

Whilst a hot work permit may not be required for works in these non-permit designated areas , it is essential that appropriate fire precautions are in place throughout the works, including the absence of combustible materials (including within the building fabric) and the provision of appropriate firefighting equipment.

Which of these roles can be done by the same person? (Select all that apply)

This review must incorporate a check on the following: Whether any safety devices may also be affected? Examples being fire alarms or other fire protection systems which should remain operational so far as is practicable. Could fire spread out of the room, and if so, what other occupancies could be involved? Is there any incompatible process in progress in the relevant area, such as the use of flammable solvents to lay flooring? Is the hot work planned to be in or on combustible construction materials? If so, this work should not start. Hot work should be prohibited on all combustible construction. Is there a backup for any mechanical or electrical equipment, computer systems and data that could be damaged by fire? Are there any personnel who are required to use the area at the same time as the hot work is being carried out, and if so, can alternative arrangements be made? Could the work lead to the organisation's security being compromised?

Actions Prior to the Works Commencing : Steps 5 - 8

This lesson covers the following steps: 5. Investigating the Work Area 6. Decide Whether Works are Safe to Proceed 7. Preparing the Work Area 8. Controlling the Area

Managing Hot Work Operations Course - Lesson Excerpt

Actions Prior to the Works Commencing: Steps 5 - 8

Investigation of building materials in the work area is essential to understand if any of them can be set alight by the works.

This is not an exhaustive list and a thorough investigation of what could be set alight by the works is one of the most important tasks when planning hot work.

Identifying voids - an inspection should be carried out for voids above, below or around the work area, which may be able to transmit flames or smoke from one area to another.

Where combustible materials are identified and cannot be removed prior to the works due to legal/planning requirements (e.g. historic buildings), options to complete the works off-site or use means other than hot work must be given additional consideration.

Examples include completing alteration of any structural steel in an off-site setting or using robust push-fit plumbing services instead of using flame soldered couplings.

If there are no other options to avoid such works then whilst additional precautions such as the use of thermal imaging to spot heated items and an extended fire watch period may reduce the risk, such precautions do not necessarily make the work safe as their remains an inherent fire risk.

For example, hot works on or affecting any combustible insulation panels, combustible building materials or on plant and equipment that may contain combustible materials (e.g. some cooling towers) is to be prohibited.

If in doubt, it should be assumed that metal composite panels have a combustible core. Cold stores, in particular, may incorporate large amounts of combustible insulating materials in both wall and ceiling panels.

Any hot work in or on timber framed structures such as roofs and timber framed buildings needs additional scrutiny and should be avoided if at all possible.

Liaison should be established in multiple occupancy buildings before work commences, to enable contractors or others to be effectively controlled.

Safe access to the work area and adjoining areas should be established for those who need it. A secure area should be provided for any items removed from the area being worked on.

Which of these are true about controlling the work area?

Actions Prior to the Works Commencing: Steps 9 - 12

This lesson covers the following steps: 9. Managing Fire Protection and Detection Systems 10. Provide Fire Fighting Equipment 11. Checking Work Equipment 12. Permit Issue

Managing Hot Work Operations Course - Lesson Excerpt

Actions Prior to the Works Commencing: Steps 9 - 12

Sprinkler and some other suppression systems require heat from a substantial fire to be present before activating and more often than not will not need to be isolated. Should fire break out as a result of the works they will do their job. So careful consideration is required before these are isolated.

However, fire detection systems that respond to smoke may need to be isolated to prevent false alarms. If so, only detectors in the vicinity of the work should be isolated, so that smoke in other areas will be quickly identified.

Should any system such as a smoke detector need to be impaired because of the hot works, it's reinstatement must be managed as part of the permit to work once the works are completed.

There must also be an alternative method of fire detection, raising the alarm and summoning the Fire Brigade in all areas affected by the impairment, irrespective of whether the hot works are undertaken in that area. An example would be to provide a fire watcher in all areas affected by the impairment of a smoke detector or alarm zone

A fire watcher should have at least two appropriate fire extinguishing appliances to hand at all times and be trained in their selection and use.

Each of the fire extinguishers provided should have a minimum rating of 13A, unless the hot work involves arc welding, when two additional 2Kg CO2 extinguishers should also be provided.

Wherever equipment is found to be defective or unsafe, it must be repaired prior to use or immediately taken out of service.

Once they are satisfied that work can begin, a hot work permit must be obtained from the authorised permit issuer, an example permit is shown in Appendix 1 (click the link or check in the briefcase).

The person responsible for issuing the permit for the work should then complete the checklist (see Appendix 2) in conjunction with the person responsible for carrying out the work, to indicate that fire protection measures are adequate, suitable precautions have been taken and the equipment to be used is safe.

If any fire protection/detection systems need to be isolated this must be completed immediately prior to signing off the permit, before the works.

A separate permit should be used on every occasion that hot work of any type is undertaken and must not be issued without considering the significance of any other permits to work in the vicinity.

It should be issued for a specific task detailing what the works are, the clearly identified area of works, the type of work equipment being used, and the materials being worked upon.

Before issuing a permit, a check should be made to ensure that the hot work would be completed in time for any shift changeover, end of shift/workday or for the appropriate post-work fire watch to take place.

If this is not the case, then additional precautions and alternative arrangements will need to be implemented.

If the person authorised to issue the hot work permit is not satisfied with the arrangements, further measures may be requested, and any additional conditions entered in the space provided.

The earliest time at which a final fire-check should be made should also be specified.

This will normally be at least 120-minutes after the completion of the works or expiry of the permit, whichever is sooner but possibly longer depending on the risks identified.

If trained individuals will not be available to make this check, e.g. in the case of a permit issued late in the day, work must not commence.

The permit issuer must state the period for which the permit is to be open for (no longer than a single shift), sign, time and date the permit.

The hot work operative must sign receipt of the permit with agreement to follow the conditions of the risk assessment and permit.

The hot work permit should be completed in duplicate, with the top copy handed to the person responsible for carrying out the work.

The permit should then be displayed in the work area, as this provides a clear visual confirmation to other personnel that a permit has been issued. This also enables personnel to challenge anybody undertaking such works where a permit is not displayed.

The second copy should be kept by the issuer. It is good practice to have this displayed on a wall, in a ready to view location such as a control room or by the fire alarm panel, as this will ensure that personnel can easily identify which permits are open at any particular time.

Where electronic permits have been issued, it is good practice to issue those working under the permit with a display board indicating 'Permit to Work in Progress' or similar with the permit reference number and name/contact details of permit issuer. This must be located in a clearly visible location at the work site.

During the Works

Managing Hot Work Operations Course - Lesson Excerpt

During the Works

They must remain in place throughout the course of the works and during any breaks in the work in case a fire develops when the work is otherwise unattended, this includes lunch breaks.

They can and should use thermal imaging technology during the works to help identify how heat is being transferred to the surroundings and whether any hot spots or ignition is taking place.

If a fire watcher needs to leave their area, the responsibilities must be passed temporarily or permanently to another competent fire watcher until cessation of the continuous fire watch period.

Fire Watchers must be: Trained, briefed and confident in being able to stop the works if required. Located in all areas where fire could develop. Able to raise the fire alarm and alert building occupants as well as those doing the work. Able to summon the Fire Brigade. Provided with a suitable means of fighting any fire.

The use of Stop Audits and unannounced safety inspections can identify an unsafe situation developing and provide an effective framework for ensuring the works continue in a safe manner.

Making this easy to do can help ensure **speedy intervention **when it's needed.

Any fire extinguisher(s) used must be replaced.

If the works overrun the permitted time, the hot work permit may need to be extended or the decision taken to cease the work altogether. This decision must be taken by the permit issuer and they must be informed of any problems arising.

Extending the permit must only by done if the permit issuer is able to remain on-site. If this cannot be done the permit should be closed and if the works need to continue a new permit should be issued by another formally trained permit issuer.

It's important that a handover between the two permit issuers takes place and the two permits should cross reference each other.

This approach should also be followed where works are spanning two shifts, with the 1st permit closed off at the end of the 1st shift and a **new permit issued for the 2nd shift **and responsibilities formally reconfirmed or reassigned.

All permits must be closed off in accordance with the procedure including the recording of a fire watch. In both situations it's important for the continuous fire watch to be in place until at least 1-hour after the works are finished, with the ongoing fire checks completed as indicated on the permits that were issued.

If extending and continuing the permit arrangements cannot be accommodated as described, the works should cease, and the work area made safe. The hot work permit must be closed in accordance with the procedure, including the completion and recording of the fire watch requirements.

Injuries and losses have occurred where it has been assumed that circumstances haven't changed when they had. For this reason, its best to ensure the worksite is made safe and all combustible working materials and ignition sources removed to a secure and safe area.

An appropriate fire watch should operate, and the permit should be cancelled/completed. A new permit will be required when the work restarts.

Upon Completion of the Works

This lesson covers the following steps: 13. Continue the Fire Watch 14. Reinstate Fire Protection/Detection Systems as Early as Possible 15. Make the Work Area Safe 16. Cancelling the Permit

Managing Hot Work Operations Course - Lesson Excerpt

Upon Completion of the Works

Fire Watcher/s continuously present during the work and for 1-hour after the work is completed.

Intermittent checks (e.g. every 20-minutes) will be required for a minimum of a further 1-hour but may be needed for longer based on a risk assessment. In some cases, completing these checks for up to 3-hours, or more, might be appropriate. Such intermittent checks must be made at intervals of not more than 20-minutes and must include any area(s) on the other side of any wall, partition or ceiling within 10-metres of the area in which the hot work has been carried out.

Using thermal imaging cameras to search for hot spots. Aviva recommend that thermographic cameras are used routinely, before the work is undertaken, during and after the work as part of the fire watch. Their use allows the fire watcher to compare images and ensure the thermographic signatures match pre- and postwork, so, checking the area for any potential hot spots.

Reinstatement must include a review of detection points to ensure they have not been obstructed, that nozzles are not blocked and are clean, and that signaling equipment continues to function correctly.

Reinstatement of fire protection includes review of:

All equipment, including gas cylinders, etc., should be removed from the work area to a secure area at the end of the working period or when the task is completed, if this is sooner.

Thermal images of the hot works and the surrounding areas should be taken to confirm that a fire watch has been completed and held along with the hot work permit for review.

The permit issuer must check the status and condition of fire protection/detection systems and also any isolations to plant, machinery and equipment, satisfying themselves that the area is safe for the resumption of normal/planned occupancy. Once satisfied the permit can be cancelled.

The completed hot work permit and any applicable risk assessments must be retained for at least 12-months and be made available to Insurers/auditors to inspect upon request

Other Standards and Guidance

Managing Hot Work Operations Course - Lesson Excerpt

Other Standards and Guidance

However, further consideration should be given to complying with the JCoP, which can be a requirement of insurance.

Adaptations and further controls on construction projects should include the Principal Contractor remaining in control of issuing all hot work permits.

The fire watch period should be considered by the Principal Contractor to ensure hot work activities are completed at a suitable time to enable the necessary fire watch periods before the end of the working shift.

Whilst the JCoP details fire watch periods, which differ if completed on standard construction (non-timber or non-combustible) projects or where hot work is completed within or adjacent to timber framed structures or combustible structures and materials...

Specific guidance on the safe use of individual pieces of work equipment, working on construction sites and even working in confined spaces may be all relevant.

Aviva's expectations are that HSE Approved Codes of Practice and accompanying guidance are followed and adhered to.

The FPA is the UK's national fire safety organisation and is a Not for Profit organisation that provides such a scheme and comprehensive training, aimed at both supervisors and operatives who carry out risk assessments in order to complete hot work permits.

Contact the FPA by calling +44 (0)1608 812 500 or email training@thefpa.co.uk Click HERE for further details of this hot work passport safety training

Thermal Imaging Equipment and Training (PASS) Stocks a huge range of thermal cameras from one of the thermography training, you can learn how this equipment operates and how to use them effectively. Call **PASS **on 01642 631652 or click HERE .

Inspection/Auditing Tools iAuditor Provides digital tools that work on mobile/tablet devices that enables your teams to carry out area inspections and can allow completion of a permit to work. Contact Adam Gillett on aviva@safetyculture.com or call 0161 768 1124. Further information is available HERE .

You can also checkout the Hot Work Operations - Aviva Loss Prevention Standard - Property Checklist on iAuditor's Public Library.

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Managing Hot Work Operations

Aviva

Aviva is one of the largest UK insurance brands and a leading savings and retirement business with more than 320 years of heritage. Aviva Risk Management Solutions helps you to look at risks that arise in your place of work and put into action customised measures to control them.

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