The maintenance job pack, and what has to be in it
A job pack is everything a crew needs to do a job once, without hunting for it. What goes in one, how a planner builds it, how job plans get reused and improved, and why the pack decides how much of the shift is spent on the tools.
Key takeaways
- A job pack is the assembled bundle for one job: scope, procedure, safety requirements, drawings, parts, tools, permits and the pages the crew fills in afterwards.
- A job plan is the reusable template behind it. The pack is that plan applied to one work order, with parts reserved, permits identified and access arranged.
- The pack is the main lever a planner has over time on the tools, because most lost time goes on hunting for parts, information, permits and access rather than on the job itself.
- A job is not ready to schedule until its materials, permits and access are secured. Scheduling work that is only half prepared is how a weekly schedule falls apart.
- Feedback from the pack, including actual hours, parts used and what was found, is what improves the next version. Without it the same estimate stays wrong for years.
A job pack is everything a crew needs to complete one job in one visit, assembled before the job is scheduled. Scope, safety requirements, procedure, drawings, parts, tools, permits, access, and the pages they fill in afterwards. It is the physical form of maintenance planning, and it is what the crew actually experiences of it.
It matters because most of the time lost in maintenance is not lost on the tools. It goes on travelling back to the store for a part that was not reserved, waiting for a permit nobody raised, looking for a drawing that is three revisions old, or finding on arrival that the job needs a crane.
This guide covers what separates a job pack from a job plan and a work order, what goes in one, how a planner builds it, how parts, permits and access are secured, and how feedback makes the next one better. The roles behind it are covered in planner, scheduler, long term planner.
Work order, job plan, job pack
The three terms get used interchangeably and mean different things, which matters because each one is owned and maintained differently.
| Artefact | What it is | Reused? |
|---|---|---|
| Notification or work request | A request for work to be done, raised by operations, an inspection or a condition finding | No, one per issue |
| Work order | The authorised job in the CMMS, carrying the asset, cost, dates, hours and history | No, one per job |
| Job plan or task list | The reusable template for a repeatable task, with steps, trades, durations, materials and tools | Yes, across many work orders |
| Job pack | The job plan applied to one work order, with parts reserved, permits identified, access arranged and current drawings attached | No, though it is built from reusable parts |
| Procedure or work instruction | The controlled technical document a step refers to, such as an alignment or a pressure test procedure | Yes, referenced rather than copied |
The job plan is the asset that compounds. The pack is what that asset is worth on one particular day.
Why the pack decides how the day goes
Tool time, also called wrench time, is the share of a shift a tradesperson spends working on equipment rather than travelling, waiting, looking for parts or standing at a permit desk. The planning literature commonly puts it between 25 and 35 per cent where work is unplanned, and reports much higher figures where planning and scheduling are working well.
The exact number for your site matters less than where the rest of the time goes, and it is rarely idleness. It goes on the hunt. Every item missing from the pack is a trip, a phone call or a wait, and on a large site a single trip back to the store can cost the better part of an hour.
That is why the pack is the planner's main lever. It cannot make the job faster, but it can remove almost everything around the job that is not the job.
- A part not reserved becomes a trip to the store, then a search, then sometimes a purchase order and a lost day.
- A permit not identified becomes a queue at the desk while the isolation is written and tested.
- A drawing at the wrong revision becomes a rework, or a near miss where a line is opened that should not have been.
- Access not arranged, such as scaffold, a crane or an elevated work platform, stops the job at the point it becomes visible.
What goes in a job pack
Contents vary with the size of the job and the industry, but the checklist below covers what a crew needs to work without hunting. A short job may use a single page of it. A shutdown job may need all of it, in a numbered pack with a controlled copy.
| Section | What it holds | Why it matters |
|---|---|---|
| Work order header | Asset, functional location, priority, window, trades and estimated hours, cost object | Charges and history land on the right equipment, which is what makes future analysis possible |
| Scope | What is being done and what done looks like, in a few plain sentences | Stops the job growing on the day, and gives the supervisor something to accept against |
| Safety | Hazards, risk assessment, permits required, isolation and lockout points, confined space and working at height requirements | The part that cannot be recovered later if it is missed |
| Procedure | The steps, in order, with acceptance criteria and the values that matter, such as torques, clearances and tolerances | A competent tradesperson should not have to look anything up mid-job |
| References | Current drawings, P&IDs, manual extracts, wiring diagrams, previous inspection reports | Wrong revisions cause rework, and sometimes incidents |
| Parts | Part numbers, quantities, bin locations, reservation or kit number, and what is on order | The most common reason a job is pulled from the schedule |
| Tools and equipment | Special tools, lifting gear and rated slings, scaffold, elevated work platforms, test instruments | Long lead items that cannot be arranged at the job face |
| Resources and sequence | Trades, numbers, hours, order of work, and any other job it has to follow or precede | The scheduler needs it to build a schedule that can actually run |
| Access and services | Isolations, cleaning, de-energising, draining, road closures, hot work restrictions | Access usually has a longer lead time than the job itself |
| Quality and hold points | Inspections, witness points, sign-offs and the records to be kept | Where the job needs evidence, not just completion |
| Feedback pages | As-found and as-left condition, actual hours, parts used and returned, failure coding, photographs, follow-up work identified | The only part that improves the next pack |
How a planner builds one
Planning is a sequence, and each step depends on the one before it. The order below is what keeps a pack from being assembled around an assumption that turns out to be wrong.
- Screen the request. Is the work justified, is it a duplicate, is it already covered by a routine, and is the priority honest.
- Check the asset and its history. The correct functional location, what has been done to it before, what failed last time and what the previous pack learned.
- Scope in the field. Look at the job, not at the screen, for anything unfamiliar or significant.
- Select or build the job plan. Reuse the library where a plan exists, and improve it rather than writing a new one beside it.
- Estimate trades, hours and duration, and record the basis of the estimate so it can be checked against what actually happened.
- Identify parts, check stock and reserve them, then raise purchases early enough for the lead time.
- Identify permits, isolations and access, and start anything with a queue or a lead time, such as scaffolding.
- Assemble the pack, attach it to the work order, and mark the job ready to schedule only when nothing is outstanding.
Ready to schedule has to mean something. When it means planned but still waiting on parts, the weekly schedule inherits every delay the planner did not resolve.
Field scoping is where the accuracy comes from
A plan written entirely from a desk inherits whatever the CMMS believes. The field visit is what corrects it. It shows the fitting that has been changed since the drawing, the valve that now needs a second isolation, the access that has been built over, and the two other jobs that could be done in the same isolation.
The visit does not have to be long. For repeat work on well documented equipment it may not be needed at all. For a first time job, a modified asset, or anything where the consequence of being wrong is high, it is the cheapest hour in the whole process.
Take photographs while you are there. A photograph of the actual arrangement, in the pack, answers more questions at the job face than a page of description.
The job plan library is the real asset
Individual packs are consumed. The job plan library is what remains, and on a mature site it holds most of the planning knowledge the organisation has. It is worth treating as master data rather than as documents, with ownership, a naming standard and version control.
Plans should be written against equipment classes where the work is the same across many assets, so one improvement lifts every asset of that type. They also need a review trigger, because a plan written for the original equipment can quietly become wrong after a modification, a different spare or a change in duty.
The link back to maintenance strategy matters too. Each planned task should trace to the failure mode it manages, which is what an FMECA produces and what keeps the task list from growing tasks nobody can justify.
Parts, kitting and staging
Materials are the most common reason a well planned job does not happen. The pack should say what is needed, where it is, whether it is reserved, and what is still on order with a date.
Kitting is the step most sites benefit from next. Instead of the crew drawing parts item by item on the day, the store picks the parts for the job ahead of time into a labelled kit, staged where the work will start. It exposes shortages days earlier, when they can still be fixed.
Accurate bills of material are what make this possible. A bill of materials on the asset, tied to the right part numbers, turns parts identification from an act of memory into a lookup, and it is what lets the store hold the right items rather than the ones somebody once ordered twice.
- Reserve parts against the work order, so they cannot be taken for another job in the meantime.
- Stage kits by scheduled date and location, and label them with the work order number.
- Flag long lead items early, and let the scheduler know the real available date rather than the optimistic one.
- Record what was actually used and what came back, because that is what corrects both the bill of materials and the stock holding.
- Treat insurance spares differently. They are held against consequence rather than usage, and they need their own review.
Permits, isolations and access
Permits and isolations are where planning meets the site's safety system, and they usually have a queue. The planner's job is not to write the permit but to identify what will be required, so the paperwork and the isolation are ready when the crew arrives rather than started then.
Isolation lists deserve particular care. A pack that names the isolation points, references the drawing and states what needs to be proven dead or drained saves the crew from rebuilding that work at the job face, and it makes the job repeatable next time.
Access is the other long pole. Scaffold, cranage, elevated work platforms, road closures and confined space standby all have lead times measured in days. A job that needs them and does not say so will be found out on the morning it is scheduled.
Feedback is what makes the next pack better
The returned pack is the most undervalued document in maintenance. It holds what the crew actually found, how long it actually took, which parts were actually used, and what they had to work around. Without it, planning estimates never converge and job plans never improve.
Keep the feedback short enough that it gets filled in. Actual hours, parts used and returned, as-found and as-left condition, a failure code consistent with ISO 14224 or the site standard, photographs, and any follow-up work found while the equipment was open.
Then close the loop visibly. When a crew sees an estimate corrected or a step rewritten because of what they wrote last time, the feedback keeps coming. When it disappears into an archive, it stops within a month.
A planning function without a feedback loop is a copying function. It reproduces the same estimate, right or wrong, until somebody complains.
Paper, PDF or mobile
Most CMMS platforms can attach documents to a work order and print a pack, and most now offer a mobile app that carries the same content to the field. Digital packs remove reissue problems, keep drawings at the current revision, and capture feedback where the work happens instead of on a clipboard that has to be typed up later.
The practical tests are the same whichever form it takes. It has to work offline, be readable in sunlight and with gloves on, let the crew attach photographs and mark up a drawing, and take feedback in fewer taps than the paper version took pen strokes. Where those fail, crews print the pack anyway, and the record goes back to being typed up by somebody else.
Measuring whether packs are any good
Pack quality shows up in the schedule long before anyone audits it. These are the measures that expose it.
| Measure | What it tells you |
|---|---|
| Percentage of work planned before scheduling | Whether planning is ahead of the schedule or chasing it |
| Schedule compliance | Whether the jobs that were scheduled could actually be done |
| Jobs pulled for materials, permits or access | Which part of preparation is failing, and how often |
| Estimate accuracy, actual hours against planned | Whether the job plan library reflects the real work |
| Delay or waiting time recorded against jobs | Where the shift is going when it is not going into the job |
| Return visits and rework | Scope, procedure or parts that were wrong in the pack |
| Feedback completion rate | Whether the loop that improves the packs is actually running |
Common mistakes
- Calling a job planned when the parts are not secured, which pushes the problem onto the schedule and then onto the crew.
- Copying the manual into the procedure, so the pack is thick, unread and out of date as soon as the manual changes.
- Writing a new job plan for every work order instead of improving the one in the library.
- Estimating in round half days for everything, which makes the schedule look neat and tells you nothing.
- Leaving isolation and permit requirements to the crew, who then rebuild that work at the job face each time.
- Attaching drawings without checking the revision, which is the quiet cause of rework and occasionally of incidents.
- No feedback pages, or feedback pages nobody reads, so the same wrong estimate survives for years.
- Planners pulled into supervision and expediting, which is the most common way a planning function stops producing packs at all.
Building a job pack
Screen
Is the work justified, a duplicate, or already covered by a routine.
Scope
Look at the job in the field, and photograph what is actually there.
Plan
Reuse or improve the job plan, then estimate trades, hours and sequence.
Secure parts
Check stock, reserve, order early and kit for the scheduled date.
Clear the way
Permits, isolations, scaffold, cranage and anything with a queue.
Ready to schedule
Pack assembled and attached, with nothing outstanding.
Feed back
Actual hours, parts, findings and codes, into the next version.
Screen
Is the work justified, a duplicate, or already covered by a routine.
Scope
Look at the job in the field, and photograph what is actually there.
Plan
Reuse or improve the job plan, then estimate trades, hours and sequence.
Secure parts
Check stock, reserve, order early and kit for the scheduled date.
Clear the way
Permits, isolations, scaffold, cranage and anything with a queue.
Ready to schedule
Pack assembled and attached, with nothing outstanding.
Feed back
Actual hours, parts, findings and codes, into the next version.
Common questions
What is a maintenance job pack?
A maintenance job pack is the bundle of information and preparation a crew needs to complete one job in one visit. It typically holds the work order and scope, the safety requirements, the procedure, drawings and references, the parts and tools with their locations, the permits and isolations, and the pages the crew completes and returns.
What is the difference between a job plan and a job pack?
A job plan, called a task list in some systems, is the reusable template for a repeatable task, with steps, trades, durations, materials and tools. A job pack is that plan applied to a specific work order on a specific asset, with the parts reserved, the permits identified, access arranged and the current drawings attached.
What should a job pack contain?
Work order and asset details, a clear scope, safety requirements including hazards, permits and isolations, the procedure with acceptance criteria, drawings and manual extracts, a parts list with bin locations and kitting status, tools and equipment including lifting and access, the trades and estimated hours, and feedback pages for what was found and what was done.
Who prepares the job pack?
The maintenance planner, working from the notification or work request, the asset history and a field scope. Supervisors, the storeperson and the technicians who will do the work all contribute, and specialists such as reliability or electrical engineers are brought in for complex jobs.
When is a job ready to schedule?
When the scope is clear, the plan is estimated, the parts are on site or have a confirmed arrival before the window, the permits and isolations are identified, and any access such as scaffolding or cranage is arranged. Until then it is a planned job waiting on something, and scheduling it moves the problem to the crew.
How does the job pack affect wrench time?
Wrench time, also called tool time, is the share of a shift spent working on equipment rather than travelling, waiting or looking for things. The planning literature commonly puts it between 25 and 35 per cent on unplanned work. Since most of the loss is hunting for parts, information, permits and access, a complete job pack is the most direct way to raise it.
How detailed should the procedure be?
Detailed enough for a competent tradesperson to do the job correctly without looking anything up, and no more. Include the values that matter, such as torques, clearances, alignment tolerances and acceptance criteria, and reference the manual for the rest rather than copying it.
Do simple jobs need a job pack?
They need the same thinking at a smaller scale. A short, repeatable job may need only a one page job plan with the parts and a safety note. The test is whether the crew can complete it in one visit without hunting, not how many pages it runs to.
How do job plans improve over time?
Through feedback. Actual hours against the estimate, parts actually used against those issued, and what the crew found and changed all flow back into the job plan, so the next version is closer. A planning function with no feedback loop keeps the same wrong estimates for years.
Should job packs be paper or digital?
Either, as long as it works at the job face. Digital packs in a mobile CMMS app remove printing and reissue problems and capture feedback where the work happens, but they need offline access, readable screens in sunlight, and a way to attach photos and mark up drawings. Many sites run a hybrid, with digital records and printed extracts for the field.
Key terms
Plain-language definitions from our glossary for the concepts this article leans on.
Standards and further reading
- Maintenance Planning and Scheduling Handbook, 4th edition (McGraw Hill)
- BS EN 13460:2009 Maintenance, documentation for maintenance (BSI)
- BS EN 13306:2017 Maintenance terminology (BSI)
- ISO 14224:2016 Collection and exchange of reliability and maintenance data for equipment (ISO)
- Best practices metrics (SMRP)
- Operations and Maintenance Best Practices Guide (US DOE FEMP)
Related case studies and tools
- Work management and scheduling uplift (case study)
- Schedule Compliance Calculator (tool)
Related reading
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