Power Plant Shutdown & Turnaround Checklist (Step-by-Step Guide)

A power plant shutdown or turnaround is the single most expensive and risk-concentrated event in your maintenance calendar — compressing months of deferred work into a window measured in days, where a 48-hour overrun at a 500 MW gas plant can cost over $1.2 million in lost generation revenue alone. Industry data shows that over 40% of shutdown projects experience cost or schedule overruns exceeding 30%, and nearly all of them share the same root cause: insufficient pre-outage planning, not the scope of the work itself. Every missed pre-shutdown inspection, every work package added after the unit goes offline, and every contractor conflict that was not caught on paper before day one compounds into a cascade of delays that could have been prevented. This phase-by-phase checklist gives your outage planning team a structured, auditable framework — from the strategic decision to shut down through final return-to-service sign-off. Sign up for Oxmaint to deploy this checklist as a digital outage planning workflow that links every task to your work order system, your contractors, and your plant assets.

40% of shutdowns exceed budget or schedule by more than 30%

$1.2M lost generation per 48-hr overrun at a 500 MW gas plant

18 mo advance planning required for a major gas turbine overhaul

70%+ of power plant failures are preventable through structured maintenance

P1 Strategic Planning

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P2 Scope & Work List

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P3 Pre-Shutdown

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P4 Execution

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P5 Restart

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P6 Closeout

Complete Caution — verify before proceeding Stop — resolve before next phase

Phase P1

Strategic Planning — Scope Decision, Frequency & Business Alignment

Every shutdown that overruns began with a scope that was not challenged early enough. The strategic planning phase — typically 12 to 18 months before the outage window for a major overhaul, or 3 to 6 months for a minor shutdown — is where the business case for the outage is defined, the work scope is bounded, and the frequency of the next shutdown is locked into the long-term maintenance plan. Decisions made here determine whether your outage is a controlled event or a reactive emergency compressed into a planned window. Sign up for Oxmaint to build your outage scope register and track work list decisions from strategic planning through execution.

P1 Strategic Planning Checklist 12–18 months before major / 3–6 months before minor

Complete all items in this phase before the scope is submitted for budget approval. Any unresolved item in the strategic phase will generate uncontrolled scope additions during execution — each addition to an active outage costs 3 to 5 times more than if it had been planned in advance.

Shutdown frequency and interval review — justify the outage window

Review the maintenance history for every major system — turbine fired hours, boiler tube inspection intervals, generator winding condition assessments, and any outstanding regulatory inspection obligations. Challenge every item: does this task require the unit to be offline, or can it be done online? A task that passes this filter belongs on the work list. One that does not should be deferred or rescheduled without consuming outage window time.

Output: written justification for outage interval. Every task documented against a failure history, regulatory requirement, or OEM recommendation.

Business requirements alignment — market demand, grid obligations, and revenue impact

Confirm the outage window against grid dispatch obligations, seasonal demand peaks, and offtake contract commitments. A shutdown scheduled to start during a grid peak period creates force majeure risks with dispatch obligations. Align the outage start date with your commercial team, not just your maintenance team — both have veto authority over the timing decision.

Output: signed-off outage window agreed by operations, commercial, and maintenance. Contingency window identified if start slips by up to 2 weeks.

Regulatory inspection obligations — ASME, NERC, FERC, and jurisdiction-specific requirements

Compile all mandatory inspection obligations that fall within or before the planned outage window: ASME boiler and pressure vessel code inspections, NERC reliability standards that require documented maintenance records, jurisdiction-specific pressure relief valve testing intervals, and any consent decree or permit conditions that require outage-window inspections. A missed regulatory inspection discovered after restart forces a second outage within months.

Output: regulatory compliance matrix with inspection authority, required interval, last inspection date, and next-due date confirmed against outage window.

Contractor strategy — identify specialist trades and consolidate vendors

Identify which work requires specialist contractors — turbine OEM teams, NDE specialists, electrical testing contractors, pressure vessel welding inspectors. Consolidate contractor count to the minimum needed and initiate pre-qualification and scheduling conversations now, not 60 days before the outage. Major outage windows book turbine OEM teams 12 months in advance. A contractor coordination gap on day one of the outage is impossible to recover from within the window.

Output: contractor shortlist by discipline, preliminary availability confirmed, pre-qualification initiated for all safety-critical specialist trades.

Phase Outputs

Justified outage scope document with every task linked to a failure history or regulatory driver

Commercial and operations sign-off on outage window and contingency timing

Contractor strategy confirmed with preliminary availability secured for specialist trades

Phase P2

Scope Definition & Work List Development — Turbine, Boiler, Generator & BOP

The work list is the foundation of the outage schedule. Every work package added after the unit goes offline because the pre-outage inspection was incomplete adds uncontrolled cost and schedule risk at the worst possible time. The scope definition phase converts the strategic work list into individually planned work packages — each with a job description, responsible trade, parts list, permit requirements, and predecessor dependencies identified. Book a demo to see how Oxmaint structures outage work packages with automatic predecessor tracking and critical path identification.

P2 Work List & Scope Checklist — By Major System 6–12 months before outage (major) / 8–12 weeks (minor)

Develop a work package for each item on the scope. Work packages without a completed parts list, a responsible trade assigned, and predecessor tasks identified are not ready for the schedule — they are scope gaps that will surface as delays during execution. Log all work packages in Oxmaint against the outage event record before the scheduling phase begins.

Steam turbine or gas turbine — inspection interval and scope level

For gas turbines: determine the inspection scope level based on factored fired hours (FFH) accumulated since the last inspection — combustion inspection (CI) at approximately 8,000 FFH, hot gas path inspection (HGPI) at 24,000 FFH, or major overhaul at 48,000 FFH. For steam turbines: review blade condition, bearing babbitt condition, shaft seal wear, and steam valve seat condition. Scope level determines parts procurement lead time — HGPI transition piece components may require 16 to 24 weeks procurement lead time.

Scope level confirmed (CI / HGPI / Major). Long-lead parts list submitted to procurement. OEM team availability confirmed against outage window.

Boiler and HRSG — tube inspection, pressure vessel certification, and safety valve testing

Define boiler inspection scope: fire-side tube inspection for corrosion, erosion, and wall thickness mapping; water-side inspection for scale, corrosion, and tube support condition; safety relief valve pop-test and recertification; refractory condition in fired boilers; drum inspection and manhole gasket replacement. Boiler tube failures are the single largest cause of forced thermal unit outages — a tube wall that has lost measurable thickness since the last inspection must be mapped and trended, not just recorded.

Tube thickness map baseline confirmed from last outage records. Thickness measurement contractor scheduled. Safety valve test certification scheduled with AHJ.

Generator — winding insulation, retaining ring, and cooling system inspection

Generator winding failure is the highest single-event replacement cost in the power island — a winding failure requires 4 to 12 weeks of repair time and can exceed $10 million in replacement cost. Define generator inspection scope: stator winding insulation resistance and polarisation index tests; rotor retaining ring inspection for stress corrosion cracking (particularly on 18Mn-18Cr ring material); hydrogen or air cooling system integrity check; and seal oil system inspection for bearing oil contamination.

Winding PI test baseline from last outage on file. Retaining ring inspection method confirmed (visual, UT, or removal). Cooling system contractor confirmed if specialist access required.

Balance of plant — cooling tower, feedwater system, auxiliary electrical, and instrumentation

BOP systems are the most common source of unplanned scope additions during execution — a cooling tower cell inspection that reveals structural deterioration, or an auxiliary transformer whose insulation resistance has been trending down but was never linked to the outage scope. Define BOP inspection scope for all systems that feed into the outage window availability: cooling tower basin and fill inspection, feedwater pump overhaul intervals, auxiliary transformer oil sampling and bushing inspection, and control valve diagnostic testing.

BOP inspection scope defined for all systems at or approaching maintenance threshold. No BOP system entering outage window with an unaddressed trend alert from operating data.

System	Inspection Type	Frequency	Long-Lead Parts?
Gas turbine (CI)	Combustion hardware	~8,000 FFH	4–8 weeks
Gas turbine (HGPI)	Blades, nozzles, shrouds	~24,000 FFH	16–24 weeks
Gas turbine (Major)	Full flange-to-flange	~48,000 FFH	18 months advance
Boiler tubes	Wall thickness mapping	Every major outage	4–6 weeks
Generator winding	PI test + visual	Every major outage	Specialist scheduling
Safety relief valves	Pop test + recertification	Per AHJ interval	2–4 weeks

Swipe to view full table

Phase Outputs

Complete work package register — every task with job description, trade, parts list, and predecessor

Long-lead procurement list submitted before parts-ordering freeze date

System-by-system scope confirmation signed off by engineering and operations

Phase P3

Pre-Shutdown Preparation — LOTO, Permits, Parts, Contractor Briefings

The 30 days before the unit goes offline are the highest-leverage period in outage management. Work that cannot be completed before the shutdown window begins — parts not delivered, permits not pre-approved, contractor briefings not conducted, scaffolding not staged — does not disappear. It compresses into the critical path of the active outage and costs multiples of what it would have cost pre-shutdown. Every unresolved pre-shutdown item is a schedule delay that has already happened; the outage just has not started yet. Sign up for Oxmaint to track pre-shutdown readiness across all work packages from a single outage dashboard.

P3 Pre-Shutdown Readiness Checklist T-30 days through T-0 (unit offline)

Every item on this checklist must be resolved before the unit shutdown command is issued. Work packages whose readiness gate is not cleared — parts not delivered, permits not ready, contractor briefing not conducted — must be escalated to the outage manager 48 hours before the planned outage start. Surprises on day one compound through the entire window.

Parts and materials — delivery confirmed and kitted by work package

Verify that all parts identified in the work package register have been received, inspected for damage, and kitted against their work package number. A part that arrives after its work package has started creates a hold point — the trade team stands down, the activity falls off the critical path, and the window extends. Confirm delivery status for every work package in Oxmaint at T-7 days; escalate any open delivery immediately.

All long-lead parts: received and kitted by T-7 days. Consumables and O&M parts: received and staged by T-3 days.

Lockout/Tagout (LOTO) procedures — reviewed, approved, and assigned to responsible person

Verify that every work package requiring energy isolation has an approved LOTO procedure linked to the specific equipment tag in the plant register. Generic LOTO procedures for shared isolation points are the most common cause of safety incidents during turnarounds. Each LOTO procedure must identify the specific energy sources, isolation points, verification steps, and the single responsible person for application and removal of each lock.

LOTO procedure: approved and filed against equipment tag for every work package requiring energy isolation. No work package starts without an applied and verified LOTO.

Work permit pre-approval — hot work, confined space, elevated work, and radiation permits

Initiate permit pre-approval for all hot work, confined space entry, elevated work, and radiation work packages that can be pre-approved before the unit goes offline. Permit queues on day one of an active outage routinely delay first-day activities by 2 to 4 hours per work package. For outages with 40 or more concurrent work packages, permit queue management is a standalone coordination function — assign a dedicated permit coordinator before the outage starts.

Hot work and confined space permits: pre-approval initiated T-5 days for all known locations. Permit coordinator assigned if concurrent work packages exceed 20.

Contractor mobilisation and site induction — all teams briefed before access day

Conduct site induction and safety briefing for all contractor teams before the day they require site access. A contractor team that arrives on outage day one without site induction cannot work — they enter an induction queue that delays their first productive activity by half a day. Coordinate induction schedules using Oxmaint's contractor portal so each contractor team completes induction and safety briefing in the week before the outage window opens.

All contractor teams: site induction completed and logged before first access day. Contractor portal access confirmed for all team leads.

Pre-shutdown equipment condition check — operating readings logged as as-found baseline

Record operating condition readings for all major equipment in the final 24 hours before shutdown — vibration signature on all turbine bearings, generator winding temperatures, lube oil contamination sample results, boiler tube metal temperature profiles, and cooling system performance. These as-found readings become the baseline against which post-maintenance readings are compared at restart. An equipment condition that worsens during the outage window — not caused by outage work — is invisible without this baseline.

As-found baseline readings logged in Oxmaint against every major equipment asset before unit shutdown command is issued.

Phase Outputs

100% work package parts delivery confirmed — no outstanding deliveries at T-0

All LOTO and permit documentation approved and filed against equipment tags

All contractor teams inducted and as-found equipment baseline recorded

Phase P4

Execution — Outage Window Management, Daily Progress & Scope Control

Once the unit goes offline, the most expensive resource on site is time. Execution-phase discipline — daily progress meetings tied to the critical path schedule, real-time scope change control, and contractor coordination across concurrent work packages — is what separates outages that finish on time from those that cascade into multi-day overruns. A 500 MW plant that overruns by 72 hours has already lost more revenue than most plants spend on digital maintenance software over three years. Book a demo to see how Oxmaint's live outage dashboard gives your outage manager full work package visibility across all active contractors in real time.

P4 Execution Phase — Daily Outage Management Checklist Every 12 hours during active outage window

The outage manager runs the 12-hour progress check against the integrated schedule every morning and evening shift change. Every work package that is behind its planned completion by more than 10% of its remaining float must be escalated to a recovery action — additional trades, extended hours, or scope deferral decision — within the same 12-hour window. Waiting 24 hours to respond to a schedule deviation in a 10-day outage is equivalent to ignoring it.

Critical path status — all predecessor-dependent tasks tracking to schedule

Review the integrated schedule for all work packages on the critical path — those where a delay directly extends the outage end date. A work package on a non-critical path has float and can absorb a day's delay without consequence. A critical path work package with a 4-hour delay requires an immediate recovery action. Identify the three longest critical path items and review their status personally at each shift change — do not rely on automated reporting alone for critical path items.

Critical path items: reviewed by outage manager every 12 hours. Any critical path delay: recovery action within same shift.

Discovered work scope — inspection findings converted to work packages within 4 hours of discovery

When inspection findings reveal additional work — a boiler tube with wall thickness below the condemn threshold, a turbine blade with crack indications not visible at the pre-shutdown borescope, a valve seat that requires machining not anticipated in the scope — the discovered work must be converted to a formal work package in Oxmaint within 4 hours. Undocumented verbal authorisations for discovered work are the most common source of uncontrolled cost additions in active outages — they also create permit and LOTO gaps.

All discovered work: Oxmaint work package created within 4 hours. Scope change cost impact logged before work begins. No undocumented verbal authorisations.

Contractor coordination — access conflicts and physical interference identified 24 hours ahead

A major power plant outage involves 15 to 40 specialist contractor teams working concurrently in a physically constrained environment. Access conflicts — two trades requiring the same scaffold, the same crane time slot, or the same physical access route — must be identified on the schedule 24 to 48 hours before they occur, not when both teams arrive at the same location at the same time. Use the Oxmaint contractor portal to surface access conflicts from the schedule automatically rather than relying on daily verbal coordination.

Contractor access conflict check: every 12 hours for the next 48-hour window. Conflicts resolved by outage manager before they materialise on site.

Quality hold points — inspection sign-off required before reassembly proceeds

Identify all work packages with mandatory quality hold points — points where an authorised inspector must sign off on a measurement or condition before reassembly can proceed. Common hold points include turbine blade tip clearance measurement after reinstallation, boiler tube weld NDE after repair, generator retaining ring torque verification, and valve seat leak test before system pressure is restored. A hold point that is missed and reassembly proceeds forces a disassembly rework that costs more time than the original work package.

All hold point sign-offs: logged in Oxmaint against work package before reassembly step proceeds. No reassembly step performed without a cleared hold point.

Execution Risk	Early Signal	Trigger Action
Critical path delay	Any critical task >4 hrs behind	Outage manager recovery action same shift
Scope creep	Verbal work authorisations accumulating	Freeze — formal work package required
Contractor conflict	Two trades at same physical location	Re-sequence via Oxmaint outage schedule
Parts hold	Work package in wait status >2 hrs	Expedite or substitute — outage manager decision
Missed hold point	Reassembly started without sign-off	Stop work — disassemble and inspect

Swipe to view full table

Phase Outputs

All work packages completed with hold point sign-offs and as-left measurements recorded

All discovered work formally documented and cost-impact logged before work begins

Outage window delivered within contingency budget — no undocumented scope additions

Manage Your Entire Outage from One Platform

Oxmaint connects your work packages, contractors, permit queue, and critical path schedule in a single outage planning system — built for power generation operators managing 5,000 to 10,000 discrete tasks in a single outage event.

Phase P5

Restart & Return to Service — Commissioning, Testing & Safety Verification

Restart after a major outage is the most operationally dangerous moment in the maintenance cycle. Components that were fully disassembled and reassembled are being operated under load for the first time — any torque that was not applied correctly, any alignment that shifted during reassembly, any system that was not fully vented before pressurisation represents a failure mode that was introduced during the outage, not inherited from before it. A structured return-to-service checklist is not a formality — it is the last systematic barrier between a successful outage and an immediate post-restart forced outage that destroys every schedule gain the outage produced. Sign up for Oxmaint to deploy your digital return-to-service checklist with timestamped sign-off and automatic work order generation for any finding at restart.

P5 Return to Service — Pre-Energisation and Ramp-Up Checklist Every outage — no exceptions

This checklist is completed in two stages: pre-energisation (before any electrical systems are restored) and ramp-up (during the controlled unit start from cold to operating load). Every item must be signed off by the responsible engineer — not a self-verification by the trade that performed the work. The person who did the work cannot be the person who verifies it is ready for service.

Walk-down — all work areas cleared, tools removed, temporary covers removed

Conduct a physical walk-down of every work area before any system is re-energised. Temporary work covers, ventilation blanks, and scaffolding planks left in systems have caused catastrophic turbine and boiler events during post-outage restarts. Every tool must be accounted for against the tool accountability register. Foreign object damage (FOD) introduced during an outage is invisible from the control room and undetectable until it causes a failure at operating speed. Assign a walk-down team independent of the maintenance trades for this check.

Walk-down sign-off: independent team. Tool accountability register: 100% reconciled. Temporary covers log: every item on the log physically recovered.

LOTO removal — all lockout devices removed by the responsible person who applied them

Verify that every lockout device is removed by the specific individual who applied it — not by a supervisor removing another person's lock, and not by the outage manager clearing the LOTO register without physical verification. An unreturned lock that is bypassed creates an isolation that was designed to prevent injury but becomes a failure mode itself if the removed isolation creates a system state that differs from design. Log each LOTO removal against the equipment tag in Oxmaint with the name and time of the person who removed it.

LOTO removal: logged by responsible person, equipment by equipment. No forced LOTO removal without documented investigation of why original holder is unavailable.

System commissioning tests — protection relay testing, valve stroke tests, and interlock function tests

Commission all protection systems before the unit is started: test protection relay operation for turbine overspeed trip, generator loss-of-field, and boiler high-pressure trip. Verify all safety interlock logic is functioning — a boiler that can be fired with a low-drum-level interlock defeated because the transmitter was replaced but the loop check was not completed represents a life-safety risk. Log every commission test result in Oxmaint against the equipment tag.

Protection relay test: every relay tested individually and result logged. Safety interlock loop checks: 100% complete before ignition authorisation.

Ramp-up monitoring — first-fire to full load comparison against pre-shutdown as-found baseline

During the controlled ramp-up from cold roll to full operating load, log readings at each load step and compare against the as-found baseline recorded at pre-shutdown. Turbine vibration that is higher at the same load step than pre-shutdown indicates an alignment or balance issue introduced during the outage. Generator winding temperatures above baseline at the same load indicates a cooling system problem. Catching these conditions during ramp-up, before full load is reached, prevents a forced outage from a condition that was visible on the startup curve.

Readings at each load step logged against pre-shutdown baseline. Any parameter 10% above pre-shutdown baseline at same load: reduce load and investigate before continuing.

Phase Outputs

Walk-down complete and tool accountability reconciled before any system energisation

All protection relay and safety interlock tests logged against equipment tags before first fire

Ramp-up performance confirmed against pre-shutdown baseline at full load

Phase P6

Closeout — Cost Capture, Lessons Learned & Next Outage Preparation

The closeout phase is where most plants fail to extract the value from the outage they just completed. A closeout review that captures what the inspection found versus what was planned, what scope was added and why, and what contractor or scheduling failures extended the window is the input data that makes the next outage cheaper and shorter. Plants that skip the closeout review perform the same outage for the same cost every cycle — and are surprised every time. Book a demo to see how Oxmaint's outage history module automatically generates a post-outage performance report from your live execution data.

P6 Closeout Checklist — Cost, Performance & Planning Data for Next Outage Within 2 weeks of return to service

The closeout review must be completed within two weeks of return to service — before the outage team disperses and before the institutional memory of what happened on day three of execution disappears. The closeout review is not a blame meeting. It is a structured data capture session that produces the three inputs the next outage planning team needs: actual cost versus plan, actual duration versus plan, and a list of conditions found that were not predicted by the pre-outage inspection program.

Final cost capture — actual versus planned by work package and contractor

Reconcile actual costs against the work package cost plan for every package in the outage scope. Identify the work packages that exceeded their cost plan — not to attribute blame, but to understand whether the overrun was due to scope underestimation, discovered work, contractor performance, or parts pricing. The cost variance data for this outage becomes the cost accuracy baseline for the same work package in the next outage planning cycle. Log final costs in Oxmaint against the outage event record before the accounting period closes.

Final cost variance report: completed within 2 weeks. Every work package with >20% cost variance: root cause documented.

Schedule variance analysis — what delayed the critical path and what was discovered work

Analyse the completed outage schedule to identify every delay event that affected the critical path. Categorise each delay: pre-outage planning failure (parts not delivered, permits not ready), discovered work (inspection finding beyond planned scope), contractor performance (mobilisation or quality rework), or design issue (clearance or access problem not anticipated in the job plan). This categorisation determines which phase of the planning process to strengthen for the next outage — planning delays require P2 and P3 improvements; discovered work requires a more aggressive pre-outage inspection program.

Schedule variance report: every critical path delay categorised by root cause. Improvement action assigned to responsible owner with timeline.

Inspection findings register — actual condition versus predicted for each asset

Compile the complete inspection findings register: for each asset inspected, record the as-found condition versus the predicted condition from the pre-outage condition assessment. Assets where the actual condition was significantly worse than predicted — a boiler tube with wall loss twice the expected rate, a blade with crack indications not detected in the last borescope — require a recalibration of the condition monitoring program between outages. These findings directly determine the scope of the next outage and the work packages that need to be built now, not in 18 months.

Inspection findings register: completed for all assets inspected. Assets with condition worse than predicted: condition monitoring interval reviewed and adjusted in Oxmaint.

Phase Outputs

Final cost and schedule variance report with root cause categorisation

Inspection findings register driving the first work packages for the next outage scope

Condition monitoring adjustments applied in Oxmaint for assets with unexpected degradation

Field Experience

What Changes When You Plan a Power Plant Outage with Oxmaint

Our last major steam turbine outage before Oxmaint ran 11 days against a 9-day plan. We had three contractor conflicts on day two that were not visible until both teams arrived at the turbine deck at the same time, two work packages added on day four because the pre-outage boiler tube inspection had been done but the findings were not converted into planned work packages, and a permit queue on day one that backed up for six hours. None of these were failures we did not know how to prevent — they were failures of coordination and visibility. After implementing Oxmaint for outage planning, our next major outage ran 8.5 days against a 9-day plan. The permit pre-approvals were completed before day one, the contractor access schedule was visible 48 hours in advance, and every discovered work finding was a formal work package within two hours. The difference was not more people or more effort — it was structured visibility across the whole outage in one system.

— Outage Manager, Combined Cycle Gas Power Plant, Southeast Asia, 2025

FAQ

Power Plant Shutdown & Turnaround Checklist — Common Questions

How far in advance should planning begin for a major power plant gas turbine overhaul?

Major gas turbine overhauls require 18 months of advance planning — not because the planning work takes that long, but because long-lead component procurement (transition pieces, first-stage blades, combustion hardware) and OEM team scheduling both operate on 12 to 18 month lead times. A plant that starts planning 6 months before a major HGPI will arrive at the outage window without critical parts and without the OEM team it needs. Sign up for Oxmaint to start your outage planning register and track long-lead procurement status from the moment scope is approved.

What is the single most common cause of power plant outage schedule overruns?

Industry data consistently identifies incomplete pre-outage inspection as the primary driver — specifically, inspection findings that are recorded but not converted into planned work packages before the unit goes offline. When a boiler tube thickness measurement below the condemn threshold is recorded in the pre-outage inspection report but no work package is created, the finding becomes discovered work after the unit is offline, adding unplanned scope to an active schedule with zero float. Book a demo to see how Oxmaint automatically converts inspection findings into work packages and links them to the outage scope register before the window opens.

Can this six-phase checklist be used for both scheduled outages and forced outages?

Phases P1, P2, and P3 are pre-outage and apply only to planned shutdowns. For forced outages, the entry point is Phase P4 (execution), and the scope definition is compressed into an emergency work list rather than a planned work package register. The value of Oxmaint in a forced outage scenario is the existing asset history — bearing condition trends, boiler tube thickness history, and previous inspection findings that allow the maintenance team to predict likely additional findings during emergency repair, reducing the number of scope surprises even under compressed timelines. Phases P5 and P6 apply to every outage regardless of whether it was planned or forced.

How does Oxmaint handle contractor coordination for outages with 20 or more concurrent teams?

Oxmaint's outage planning module assigns each work package to a contractor team with a scheduled start time, predecessor task, and physical access location. Contractors access their assigned packages through the Oxmaint contractor portal without requiring full CMMS access. Access conflicts — two teams scheduled to the same scaffold tier or requiring the same crane at the same time — are surfaced in the integrated schedule view 24 to 48 hours before the conflict date. Sign up for Oxmaint to configure contractor access for your next outage and eliminate the coordination failures that cost you days in your last window.

Six Phases. One Platform. Your Next Outage Finishes on Time.

Every overrun, every unplanned scope addition, and every contractor conflict in this checklist has been traced to a gap in one of six phases of outage planning. Oxmaint closes those gaps — connecting your work packages, your contractors, your inspection findings, and your critical path into a single outage management system built for power generation operators.