In facilities management, the old adage "an ounce of prevention is worth a pound of cure" holds especially true. This is the core principle behind Planned Preventive Maintenance (PPM) (often written as Planned Preventative Maintenance in the UK), a proactive strategy designed to keep assets running smoothly and prevent costly failures before they happen.

This guide explains what PPM is, how it works, and why it’s a cornerstone of modern, efficient facility operations.

What is Planned Preventive Maintenance (PPM)?

Planned Preventive Maintenance (PPM) is a maintenance strategy that involves regularly scheduled inspections, servicing, and repairs on assets and equipment to reduce the likelihood of them failing. Instead of waiting for something to break (reactive maintenance), PPM follows a pre-planned schedule based on time, usage, performance data, and industry standards such as SFG20.

Think of it like servicing your car. You change the oil every 5,000 miles not because the engine has seized, but to prevent it from seizing. PPM applies the same logic to building assets like HVAC systems, fire alarms, and electrical panels. For broader FM context, see our What is Facilities Management Software? Guide.

How PPM Reduces Reactive Maintenance

The primary benefit of a well-executed PPM strategy is the significant reduction in reactive, or "breakdown," maintenance. For a deeper explanation of reactive work, see our Reactive Maintenance Guide. Here’s how PPM helps:

•Early Fault Detection: Regular inspections identify minor issues (like a worn belt or a loose connection) before they escalate into major failures.

•Improved Asset Reliability: Well-maintained equipment is less likely to break down unexpectedly, leading to greater operational uptime.

•Extended Asset Lifespan: Proactive servicing extends the useful life of expensive assets, deferring capital replacement costs.

•Reduced Emergency Costs: Planned work is far cheaper than emergency call-outs, which often involve premium labour rates and rushed parts procurement.

Studies have shown that a successful PPM program can reduce reactive maintenance calls by as much as 70-90%.

PPM Cycles & Examples

PPM tasks are scheduled based on different cycles, depending on the asset and manufacturer recommendations.

Asset-Based PPM

Modern PPM is often asset-based, meaning the schedule is tied directly to a specific piece of equipment in an asset register. For example, a hospital’s HVAC unit might have multiple PPM schedules attached to it:

•Monthly: Clean filters to ensure air quality for patients.

•Quarterly: Check refrigerant levels to prevent cooling failures in operating theatres.

•Annually: Full service by a certified engineer to guarantee compliance and uptime.

Example PPM Checklist & Schedule Template

A good PPM plan starts with a detailed checklist for each asset. This ensures consistency and accountability.

Example PPM Checklist for an Air Handling Unit (AHU)

Example Annual PPM Schedule

This is a simplified view of how a PPM schedule might look for a commercial building over a year.

(M = Monthly, Q = Quarterly, A = Annually)

How Software Powers Modern PPM

Managing a comprehensive PPM schedule on spreadsheets is prone to error and quickly becomes unmanageable. This is where modern FM software like CQ provides critical value.

•Centralized Asset Register: Store all asset information, including manuals, warranties, and PPM schedules, in one place.

•Automated Scheduling: Automatically generate work orders for upcoming PPM tasks and assign them to the right engineers.

•Digital Checklists: Equip field teams with mobile checklists to ensure tasks are completed to the correct standard.

•Compliance Trail: Create an instant, auditable history of all completed PPM work, proving compliance with regulations like SFG20.

•Data & Analytics: Track PPM vs. reactive work ratios, identify problem assets, and optimize maintenance schedules based on real-world data.

Conclusion

Planned Preventive Maintenance is the foundation of a cost-effective and efficient facilities management software. By moving from a reactive to a proactive approach, FM teams can reduce costs, improve asset reliability, and ensure a safer, more compliant built environment. FM teams using structured PPM programs typically see 15–25% lower annual maintenance spend.

While the principles of PPM are simple, execution at scale requires the right tools. A modern, unified FM platform is essential for automating schedules, empowering field teams, and turning maintenance data into actionable insights. If you would like to see how CQ is helping FM with their PPM then you can book a customised demo here or you can also read how with our wizard you can schedule 100s of jobs in one go also.

Frequently Asked Questions (FAQs)

What is the difference between planned and preventive maintenance?

In practice, the terms are often used interchangeably. "Preventive" refers to the goal (preventing failure), while "Planned" refers to the method (scheduling work in advance). A good PPM strategy is always planned.

How do you create a PPM schedule?

A PPM schedule is typically created by first building a comprehensive asset register. Then, for each asset, you consult manufacturer recommendations, industry standards (like SFG20), and regulatory requirements to determine the correct maintenance frequency and tasks.

What is a typical PPM to reactive maintenance ratio?

A healthy maintenance ratio for a mature organization is around 80% planned/preventive and 20% reactive. World-class organizations can achieve a 90/10 split. A ratio below 60/40 suggests an over-reliance on reactive maintenance.

Can PPM eliminate all reactive maintenance?

No, and it shouldn't be the goal. Unexpected failures will always occur. The goal of PPM is to minimize unplanned downtime and its associated costs, not to eliminate it entirely. Some level of reactive maintenance is unavoidable.

How does PPM relate to compliance?

PPM is critical for compliance. Many statutory requirements, such as fire safety inspections, emergency light testing, and gas safety checks, are managed through a PPM schedule. A robust PPM program provides a clear audit trail to prove these obligations have been met.