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Primavera P6 vs MaintWiz: Use Alongside or Replace?

Short answer

Primavera P6 is a scheduling tool planners know well, and many plants keep it. A shutdown also needs scope, permits, readiness gates, spares, contractors and cost, which teams often manage by hand beside P6. MaintWiz works alongside P6 through interoperability, or as the main plan for the stop when you want all of it in one system, so planners keep the terms they know.

How MaintWiz helps: Plants compare tools on the whole stop, not only on the schedule. MaintWiz adds readiness gates, permits and spares status next to a familiar critical path.

By Jai Balachandran · Technical review: Murali Nerur Pasupathy · Published 21 October 2026 · Last reviewed 30 October 2026

See the shutdown module See the shutdown module

What MaintWiz adds:Critical path and floatReadiness gatesPermits and isolationsSpares status with SAP

Which fits

When is Primavera P6 the better fit, and when is MaintWiz?

The honest split: P6 is the stronger scheduler for very large networks and portfolios; MaintWiz is the stronger home for permits, spares and field execution.

Compared on public information read on 30 October 2026

Choose Primavera P6 when

The stop is a capital project or construction-style programme with one scheduling team and little work-order coupling.
A mature team already runs P6 with an established SAP interface and meets permit and materials gates through existing procedures.
Contracts or owners require P6 schedule deliverables and schedule-quality audits.
The need is enterprise portfolio scheduling and resource forecasting across many sites.

Use MaintWiz alongside P6 when

Permits, isolations and spares kitting are tracked in separate trackers against each activity.
Thousands of SAP work orders must land in the plan and actual hours must return to the maintenance record.
The field needs task lists and live status so the plan reflects the day, not last week's update.
Management wants one readiness, cost and progress view for the stop.

Choose MaintWiz when

You want one plan, in one system, for scope, schedule, readiness, permits, spares, field work and cost.
You do not have a P6 estate, or want to build the critical path natively from Excel or Microsoft Project XML.
Technicians should close checklists with readings and photos that update progress and cost.
You want AI agents that review scope, estimates and schedule with a named approver.

Which tool fits when, by situation.

Comparison

How do Primavera P6 and MaintWiz compare area by area?

Public information on P6 comes from Oracle's documentation and the GAO schedule guide; rows where P6 is stronger are marked.

Primavera P6 and MaintWiz compared area by area
Area	Primavera P6 (public information)	MaintWiz
Scheduling engine	Critical path scheduling, resource and role levelling, and multiple baselines^1,3; Oracle sizes P6 EPPM projects up to 75,000 activities² Stronger for very large networks.	Native Gantt with critical path, float, baselines, critical chain analysis and what-if scenarios, sized for a stop's network
Portfolios	Enterprise portfolio and multi-project management across sites^1,2 Stronger for portfolio scheduling.	A shutdown and turnaround module for each stop, in a CMMS used across sites
Schedule risk	Monte Carlo schedule risk analysis in Primavera Cloud³	Monte Carlo confidence of finish and the drivers of the forecast finish, on the live plan
Data exchange	Exports and imports XER, Primavera XML, Excel and Microsoft Project XML⁴ Stronger for open file exchange.	Interoperability with P6; imports task lists as Microsoft Project XML or Excel
Permits and isolations	Permit-to-work and isolation management are not described in the Oracle P6 documentation we read	ePTW permits and isolations on each work order, blocking close while open
Readiness gates	Not described in the Oracle P6 documentation we read; readiness is usually tracked outside the schedule	Readiness gates configured to your requirements, with waivers recorded by name, reason and date
Spares and SAP	Materials can be loaded as resources, and GAO notes that a reliable schedule must reflect materials and resource availability⁵; a link to SAP work orders and stores status is not described in the documentation we read	Needed, in stock and short, with the SAP request or order behind each part; SAP in PM or MM mode
Field execution	Not described in the Oracle P6 documentation we read; progress is usually updated by planners	Checklists with ticks, readings and photos, QR scan, offline on transaction screens
Products	P6 Professional (desktop), P6 EPPM (browser) and Primavera Cloud are separate products¹	One shutdown module on the MaintWiz platform

The rival

What is Primavera P6?

Oracle Primavera P6 is an enterprise scheduling suite used for large projects and turnarounds.

Oracle sells it as P6 Professional, P6 EPPM and the newer Primavera Cloud service¹. It calculates critical paths, loads and levels resources, keeps baselines and plans across portfolios, and exchanges data by XER, XML, Excel and Microsoft Project files^1,4. Permits, spares status, field execution and maintenance work orders live in other systems.

Oracle's sizing guide classes P6 EPPM deployments up to 7,500, 25,000 or 75,000 activities per project, as classification criteria rather than hard limits².
GAO's schedule guide describes critical path scheduling, resource-loaded schedules and regular updating as the basis of a reliable schedule⁵.
Primavera Cloud adds Monte Carlo schedule risk analysis and up to five project baselines³.
Do not assume P6 cannot handle large turnarounds: size is not the issue. The gap is everything around the schedule.

MaintWiz

What does the MaintWiz shutdown module include?

The module covers the schedule, readiness, permits, spares, field work and cost in one plan, with AI agents that propose and people who approve.

The shutdown and turnaround module plans, prepares, executes, controls and closes the stop in one system with the MaintWiz CMMS.

Gantt chart with critical path, float, baselines and a float flag
Critical chain analysis and what-if scenarios on the live plan
Monte Carlo confidence of finish and the drivers of the forecast finish
Readiness gates configured to your requirements, with signed waivers
Permits and isolations from ePTW on each work order
Spares status with the SAP request or order behind each part
Technician checklists with readings, photos and findings to the planner
AI agents for scope, estimates, schedule review, daily summaries and lessons

See the shutdown and turnaround module · AI shutdown planning

Working alongside

How do you run MaintWiz alongside P6, or make it the main plan?

Keep P6 where you use it and run one stop in MaintWiz.

Many plants keep P6 for capital projects and the company schedule and run shutdowns in MaintWiz. Pilot one stop and compare.

1
Import
Bring the task list from your current tool as Microsoft Project XML or Excel.
2
Compare
Check the critical path and float against your current plan.
3
Run alongside
Run one stop in both and compare status daily; keep the scheduler for the schedule if your team prefers.
4
Decide
Keep both, or make MaintWiz the main plan for the stop and train planners, supervisors and technicians.

FAQ

Frequently asked questions

Is Primavera P6 enough for a plant shutdown?

It is enough for the schedule. A shutdown also needs scope, permits, readiness gates, spares, contractors and cost, which teams often track in separate trackers beside P6. MaintWiz holds those in one plan next to the critical path.

Can MaintWiz replace Primavera P6 for turnarounds?

For the turnaround itself, yes: MaintWiz has a Gantt with critical path and float, baselines, what-if scenarios and critical chain analysis, and adds readiness gates, permits, spares and field execution. P6 stays the stronger tool for very large portfolios.

Can I use my P6 schedule with MaintWiz?

Yes. MaintWiz is interoperable with Primavera P6 and imports task lists through Microsoft Project XML or Excel. Check the critical path against your current plan before you switch.

Do we have to give up P6 for the rest of the company?

No. Many plants keep it for capital projects and run shutdowns in MaintWiz.

Can P6 handle a very large turnaround?

Oracle documents P6 EPPM project classes of up to 75,000 activities.² Size is rarely the gap; permits, spares and field status around the schedule are.

Does MaintWiz work with SAP?

Yes. It connects in SAP PM or SAP MM mode, shows the request or order behind each short part and keeps SAP as the system of record.

Sources

Oracle documentation and the GAO schedule guide, read on 30 October 2026. Check each vendor's current material before you decide; products change.

See your own shutdown plan in MaintWiz

Book a demo and bring last stop's task list. We will load it next to your current tool so you can compare the critical path, the gates and the daily view on your data.

See the shutdown module Get the Gantt template

Book a demo