Plant shutdowns last days or weeks. The planning behind them takes months, and how well that planning is done decides whether the shutdown finishes on time, within budget and without incidents. Owners and contractors often bring in additional planning capacity for this period, because the work is intensive and the in-house team still has a running plant to look after. Industrial shutdown planning services provide that capacity and structure. Here is what they cover, how preparation is usually phased and where planning tends to fall short.
What are industrial shutdown planning services?
Industrial shutdown planning services prepare a plant for a planned shutdown by defining and freezing the scope, preparing work packs, building the schedule, securing materials, planning manpower and contractors, planning permits and isolations, and checking readiness before the plant comes offline.
What makes refinery turnarounds especially complex, from discovery work to restart risk, is covered in what makes refinery turnarounds operationally complex. Here the focus is the planning work itself.
What shutdown planning covers
| Planning area | Typical outputs |
|---|---|
| Scope | Work list, challenge and approval process, scope freeze |
| Work packs | Job steps, drawings, isolations, materials, permits, inspection requirements |
| Schedule | Detailed schedule with critical path and hour-by-hour plans for key jobs |
| Materials | Long-lead items ordered, materials kitted by job |
| Manpower | Numbers by trade and shift, mobilization plan, accommodation |
| Contractors | Packages awarded, interfaces defined, coordination plan |
| Safety | Isolation plans, permit planning, emergency arrangements |
| Readiness | Readiness reviews at set milestones before shutdown |
How preparation is phased
For major shutdowns and turnarounds, preparation commonly begins a year or more ahead. Smaller shutdowns compress the same steps into a shorter period. A typical sequence:
- Scope identification: collect work requests from operations, maintenance, inspection and projects.
- Scope challenge and freeze: review every item for necessity and readiness, then freeze the scope at an agreed date.
- Long-lead procurement: order materials and equipment with long delivery times.
- Detailed planning: prepare work packs, the schedule and the isolation plan.
- Contractor and manpower planning: award packages, plan workforce numbers and arrange accommodation.
- Readiness reviews: check materials, work packs, permits, manpower and logistics at milestones before the shutdown.
- Execution support and close-out: track progress during the shutdown and capture lessons afterward.
Where shutdown planning falls short
- Late scope freeze, leaving too little time to plan and procure
- Work packs incomplete when crews arrive
- Materials not kitted, so crews search for parts during the window
- Manpower planned as a total rather than by trade and shift
- Isolation plans not verified in the field before the shutdown
- Contractor interfaces undefined, so packages collide in the same area
Many shutdown scopes grow out of routine maintenance backlogs and inspection findings, which is why the discipline of preparing a maintenance scope of work carries into shutdown planning.
Readiness reviews
Readiness reviews at fixed milestones, for example several months, a few weeks and a few days before the shutdown, check a short list: scope frozen and approved, work packs complete, materials received and kitted, contractors mobilized, manpower and accommodation confirmed, isolation plans verified and permits prepared. Each review should end with actions and named owners. Items still open at the final review are the ones most likely to cause delays inside the window.
After the shutdown
Close-out covers the return of unused materials, final documentation, inspection reports, updated equipment history in the CMMS and a lessons-learned review while the team is still together. Those lessons feed directly into planning the next shutdown.
Manpower is a planning output, not a guess
Shutdown manpower should be derived from the work packs and schedule, trade by trade and shift by shift, then turned into a mobilization and accommodation plan. The crew structures that support it are discussed in planning multi-trade workforces for petrochemical maintenance.
Shutdown planning support from Apex Core Engineering
Apex Core Engineering supports shutdown preparation through its project support services and plans and mobilizes shutdown crews through its workforce planning service, connected to its manpower supply and logistics capabilities.
Frequently asked questions
How early should shutdown planning start?
For major shutdowns and turnarounds, a year or more ahead is common. Smaller shutdowns need less time but follow the same steps.
What is a scope freeze?
A date after which no new work is added to the shutdown without formal approval, giving planners time to prepare work packs and materials.
What is a shutdown work pack?
A complete package for one job, containing the job steps, drawings, isolation details, materials, permits and inspection requirements.
Plan your next shutdown with Apex Core Engineering.