Hot Work Checklist
Checklist Instructions: / This checklist supports Dow’sHot Work Standardand may be used to identify hazards and safeguards of Hot Work when a Safe Work Permit is required. It may also be used when an Authorized Operating Procedure User is using a Hot Work Operating Procedure.- After writing in the General & Purging Information, read each item and check the appropriate box – “Yes”, “No” or “NA” (Not Applicable).
- A “No” answer in any section other than the Other Considerations section will have to be corrected or addressed with a variance before Hot Work can be done.
- “NA” (Not Applicable) can only be answered if the scope of work does not include the bolded words in each item.
- When a Safe Work Permit is issued for this Hot Work, then the crew shall keep the completed Checklist while the work is being performed. The crew shall then return the completed Checklist to the Person Issuing the Safe Work Permit when the Safe Work Permit is closed.
General Information: / Print the information asked for below.
Person Completing this Checklist: / Date:
Person Issuing Safe Work Permit (if needed): / Facility / Equipment:
Describe the exact location of this Hot Work:
Describe the status of the line or equipment to be worked on:
Hot Work Area Definition: / Exempt: / General: / Flammable:
Describe each location where flammable atmospheric monitoring is to be done:
Frequency of Flammable Atmospheric Monitoring: / Continuous: / Periodic: / If periodic, describe frequency:
Purging Information: / When purging is used to clear contents to acceptable levels, then print the information asked for below.
Is Purging being used to clear contents?: / No: / Yes: / If Yes, complete this section. If No, continue to the Approvals section.
Indicate the Purge gas used:
Describe how the Purging is/was done:
Describe ventilation and respiratory protection needs:
Approvals: / Print the information asked for below. The person approving this High Energy Hot Work in a Flammable Area shall complete the items below the double line.
Is High Energy Hot Work being done in a Flammable Area?: / No: / Yes: / If Yes, complete this section. If No, continue to the Atmospheric Monitoring Results section.
Name of Authorized Approver: / Signature of Authorized Approver:
- Is the area where Hot Work is to be done prepared per the requirements of the Global Hot Work Standard?
- Is the Hot Work Area Definition correct?
- Has the Hot Work area been cleared of all persons not directly involved in the hot work?
- Has the equipment been prepared for Hot Work per the requirements of the Global Hot Work Standard, including isolation of energy sources and line & equipment opening requirements?
- Have the potential hazards been documented and communicated?
- Have the necessary precautions to eliminate or minimize the potential hazards, including flammable atmospheric monitoring requirements been documented and communicated?
- Has the exact location of the Hot Work been identified during the on-site Safe Work Permit inspection?
No:
Yes (Approved):
Flammable Atmospheric Monitoring Results: / For each location for flammable atmospheric monitoring described above record the results of monitoring here.
Location: / Date / Time: / Name of Person: / Results (%LEL):
Note: If additional space is needed continue on the back of the page.
Area Preparation: / Read each item and check the appropriate box.
When doingHigh Energy Hot Work in a Flammable Area, then:
- those combustible or flammable materials that can be moved have been removed outside the Effected Area, or
- the equipment to be worked on that can be moved has been removed to an Exempt Area, or
- guards have been used to minimize contact with the source of ignition. For example, but not limited to the following in order of preferred method:
- A 5 sided (4 walls plus floor) spark containment structure utilizing fire resistant tarp material, or
- or else a 4-sided containment (walls only) spark containment structure when the floor is concrete, gravel or other non-combustible material and it is free of combustible hazards, or
- water spays on the potential source of flammable materials, or
- wetted fire tarps on the potential source of flammable materials.
When doingHigh Energy Hot Work in a General Area, then those things listed above have been considered. / No:Yes: NA:
The area around the Hot Work is clear of all persons not directly involved. / No:Yes:
When there is the potential that people who are not directly involved in the Hot Work can enter the area, then barricades have been used. / No:Yes: NA:
When doing High Energy Hot Work, then fire extinguishing equipment (for example: fire extinguishers) have been identified, will be continuously available and are easily accessible. / No:Yes: NA:
When using an enclosure, fire box, tarp or any other guard that has the potential for; limited ventilation, oxygen enriched or oxygen deficient atmosphere or vapor, liquid or solid engulfment, then entering the enclosure is a Confined Space Entry and a Confined Space Entry Permit has been issued. / No:Yes: NA:
Equipment Preparation: / Read each item and check the appropriate box.
When doing Hot Work on lines or equipment that last contained flammables or combustibles and when a line or equipment opening is being done or when there is the potential that materials could be released, then the energy sources have been isolated as described in the Global Isolation of Energy Sources Standard. / No:Yes: NA:
When doing Hot Work in Flammable Areas with shared trenches or sewers, then the isolation of energy sources also addresses the isolation of the trenches or sewers.
NOTE: If you check NA on both items above then continue to the Safe Work Permitting section. / No:Yes: NA:
When doing Hot Work on lines or equipment that last contained flammables or combustibles, then the energy sources have been isolated using at least one of the following methods:
- Disconnection of the piping to provide an air gap such that no material can enter the equipment or area where the hot work is being performed.
- Installation of blinds, pancakes or spectacles which are appropriate for the chemical, temperature and pressure of the service.
- Double blocks and bleeds.
When using double block and bleeds as an isolation method, then it has been confirmed that the isolating devices are isolating the energy sources and that they are secure from inadvertent operation (for example: the block valves have the handles removed, are closed and are holding and the bleed valve is open, unplugged and not leaking.) / No:Yes: NA:
Equipment Preparation: / Continued.
When the clearing of residual contents is not feasible, then line plugs / stopples and purge gases have been used sufficient to remove oxygen to a level such that:
- The Lower Explosion Limit (LEL) at the hot work point is at 0%.
- The LEL at the point of exit of the purge gas is less than 10%.
When doing Hot Work on lines or equipment that last contained flammables or combustibles, then Line & Equipment Opening (L&EO) procedures that confirm that the line or equipment has been depressurized and cleared of contents to acceptable levels are being used. / No:Yes: NA:
When there is the potential for flammable materials to be trapped behind liners or in dead legs, or that may generate pressure or hazardous vapors upon heating, or of corrosion that could lead to the formation of flammable materials (hydrogen), then the L&EO procedures address these concerns. / No:Yes: NA:
When doing Hot Work on lines or equipment that last contained flammables, then the L&EO procedures address the handling and emergency response concerns related to flammables as well temporary grounding / grounding continuity. Specifically, temporary grounding or grounding continuity shall be installed and maintained until the original grounding continuity is reinstated for:
- Flammable systems which are not purged prior to opening or are still in service.
- Opening of any piping or equipment containing flammables that can not be drained and vented (for example: dead legs or dead ends).
- Systems that contain solids that could trap flammable liquids or vapors.
- Openings where there is a history of flammables remaining in the system even after purging.
Safe Work Permitting: / Read each item and check the appropriate box.
A Safe Work Permit has been obtained, when doing High Energy Hot Work or any Hot Work in a Flammable Area and, unless the Personnel who will conduct this Hot Work is authorized to use a Hot Work Operating Procedure.
NOTE: If you check NA above then continue to the Safety Attendants section. / No:Yes: NA:
The exact location of the Hot Work has been identified during the on-site Safe Work Permit inspection. / No:Yes:
The flammable and/or combustible material(s) within the area and the material(s) last contained in the equipment have been identified on the Safe Work Permit. / No:Yes:
The following items have been reviewed with and are understood by the Personnel Accepting the Safe Work Permit for this hot work:
- The location of the hot work,
- The classification of the area (Flammable or General, etc…),
- The status of the line or equipment to be worked on,
- The location of all points where flammable atmospheric monitoring checks are to be made,
- The frequency of flammable atmospheric monitoring checks
- The potential hazards, and
- The necessary precautions to eliminate or minimize the potential hazards.
When doing High Energy Hot Work in a Flammable Area, then this has been approved by an Authorized Approver who is not the same person who issued the Safe Work Permit. NOTE: See Approvals section of Hot Work Checklist above. / No:Yes: NA:
Fire Watch(es): / Read each item and check the appropriate box.
When doing High Energy Hot Work in a Flammable or General Area and there are flammables or combustibles within the Effected Area or at a distance of greater than 35 feet / 11 meters that could be easily ignited, then a Fire Watch, other than the person doing the Hot Work will be present during all Hot Work.
NOTE: If you check NA above then continue to the Flammable Atmospheric Monitoring section. / No:Yes: NA:
When there are flammable or combustible materials contained in walls, partitions, etc.., that could be ignited by radiation or conduction, or that could smolder and ignite over time, then the Fire Watch will be present for at least 30 minutes after all Hot Work is done. / No:Yes: NA:
When there are flammable or combustible materials at elevations above or below the Hot Work that would be difficult for the first Fire Watch to meet his/her responsibilities, then additional Fire Watch(es) will be used. / No:Yes: NA:
Fire Watch(es): / Continued.
When the area observed by a Fire Watch extends beyond a distance that would be difficult for the first Fire Watch to meet his/her responsibilities, then additional Fire Watch(es) will be used. / No:Yes: NA:
When a Fire Watch is required, then the Fire Watch(es) understands that he/she will:
- Not be assigned any additional duties or tasks which will in any way conflict with his/her responsibility as a Fire Watch.
- Continually observe the actions of the person doing the Hot Work and surrounding conditions, and
- In the event of an injury, fire, gas release or other emergency, shut down hot work equipment, alert the person doing the Hot Work and initiate the proper response for the situation.
When a Fire Watch is required, then only people that have the following have been designated as Fire Watch(es) for this Hot Work:
- A knowledge of his/her responsibilities, and
- A knowledge of the work to be done and the specific tasks and the impact that these will have on the Hot Work and vice versa, and
- A knowledge of the proper procedures for shutting down the hot work equipment in case of emergency, and
- Training on the proper use of any flammable atmospheric monitoring equipment that he/she will use (if any) and the specific fire extinguishing equipment provided.
List Name(s) of Fire Watch(es): / 1.2.
Flammable Atmospheric Monitoring: / Read each item and check the appropriate box.
- When doing Hot Work in a Flammable Area, or
- When doing High Energy Hot Work in a General Area that borders on Flammable Areas,
- Flammable Atmospheric Monitoring is required.
- The specific flammable atmospheric monitoring needs for this hot work have been documented in the General Information section above.
- The results are documented in the Flammable Atmospheric Monitoring Results section above.
When Flammable Atmospheric Monitoring is required and a Safe Work Permit is used, then monitoring is being done:
- At the time of the on-site Safe Work Permit inspection.
- When the safe working conditions upon which the Safe Work Permit for Hot Work are based are not being maintained and/or have changed.
- Periodically or continuously as specified on the Safe Work Permit for Hot Work.
- Continuously for High Energy Hot Work in Flammable Areas
- If the Safe Work Permit for Hot Work is suspended and needs to be re-authorized because of a work stoppage.
When Flammable Atmospheric Monitoring is required, then this Hot Work will not be done when the monitoring has detected a flammable material. / No:Yes: NA:
When Flammable Atmospheric Monitoring is required, a functional (bump) test or calibration of combustible gas meters must be made before each day’s use, using an appropriate test gas. / No:Yes: NA:
When conducting flammable atmospheric monitoring of flammable materials in an inert atmosphere, then a meter specifically designed for such measurement is used. A catalytic bead detector without an outside oxygen source will not be used. / No:Yes: NA:
Training: / Read each item and check the appropriate box.
The Personnel who will conduct this Hot Work have knowledge of the proper techniques and methods for conducting this Hot Work (refer to the Training Requirements in the standard). / No:Yes:
The Fire Watch(es) have been trained in the use of any flammable atmospheric monitoring equipment and/or fire extinguishing equipment that he/she will use and are re-trained whenever these tools, equipment, techniques or procedures are modified or changed (refer to the Training Requirements in the standard). / No:Yes:
Page 1 of 5
DOW CONFIDENTIAL - Do not share without permission
Local Requirements: / These are local/site requirements for Hot Work. Read each item and check the appropriate box.No:Yes: NA:
No:Yes: NA:
Other Considerations: / Read each item and check the appropriate box. The following items are provided as additional considerations and best practices. Hot Work can still be started if any of the following are answered with a “No”. However, each “No” answer should be reviewed to understand the specific hazards and the safeguards that are in place to address those hazards.
No:Yes: NA:
Page 1 of 5
DOW CONFIDENTIAL - Do not share without permission