The alert arrived three minutes before the machine stopped.
The monitoring system was technically right. The temperature crossed its threshold, the alarm fired, and the fault appeared on a dashboard. Maintenance still had no time to inspect the asset or move production.
Predictive maintenance has to change the work plan before the failure. That means finding a reliable precursor, proving the useful warning window, and putting enough evidence into the technician's existing queue.
First scope
- kept inside the first model boundary
- 1 asset class
- Comparable equipment and operating states
- linked to a specific inspection response
- 1 failure mode
- An anomaly alone is not a diagnosis
- starting development price
- $30K
- Fixed after the signal and workflow audit
RaftLabs does not currently publish a named predictive-maintenance outcome case study. The first engagement therefore tests whether the available condition data supports a useful warning against the buyer's own maintenance history before broader development is recommended.
Prediction is worth developing only when warning time changes the maintenance plan.
Calendar maintenance or simple thresholds are better when they already control the risk at lower cost.
A fit01The asset is critical enough that avoidable downtime or early replacement carries material cost.
02Condition and maintenance records can be aligned by stable asset identity and time.
03A technician can inspect within the warning window and record what was found.
Not a fit01The asset is cheap, redundant, or easier to replace after failure.
02The relevant condition is not measured and cannot be instrumented safely.
03Maintenance outcomes are not recorded against stable assets or components.
Scope
What the first predictive-maintenance release needs
01Asset and failure-mode boundary
One equipment class and one costly failure mode define the first test. The
team agrees what counts as a useful warning, which inspection follows it, and
who may change the alert policy.
02Condition and maintenance data model
Sensor streams are joined with operating state, component history, service
records, inspections, and failures. Stable identifiers and time alignment
prevent a healthy replacement component from inheriting the failed part's
history.
03Warning model and evidence
A threshold, anomaly detector, classifier, or remaining-life model is selected
from the data and response need. Each alert carries the condition change and
context a technician needs to judge it.
04CMMS workflow and feedback
Qualified warnings enter the existing work process with the asset, urgency,
evidence, and recommended inspection. Technician findings close the loop and
show whether alerts remain useful as equipment and operating conditions
change.
Should you use preventive or predictive maintenance?
Preventive vs predictive maintenance
| Preventive maintenance | Predictive maintenance |
|---|
| Trigger | Calendar time, usage, or manufacturer interval | A measured change associated with a developing fault |
|---|
| Best fit | Known wear intervals and inexpensive scheduled work | Critical assets where condition gives useful warning |
|---|
| Data | Asset register and service schedule | Condition, operating state, maintenance, and failure history |
|---|
| Main risk | Healthy parts replaced early or faults missed between visits | False alarms or warning too late for maintenance to respond |
|---|
| Decision | Service when the interval arrives | Inspect when evidence crosses the approved warning rule |
|---|
Many fleets need both. Prediction belongs only on asset and failure combinations where the extra signal changes cost, risk, or uptime.
How it works
From asset selection to monitored work orders
Prove one warning and response path before covering more equipment.
- Phase 1
01Choose the asset and response
Define the equipment class, failure mode, consequence, warning window,
inspection step, and maintenance owner.
- Phase 2
02Align condition and work history
Join sensor, operating-state, maintenance, component, inspection, and failure
records by asset and time. Inspect missing periods and changed sensors.
- Phase 3
03Validate warning performance
Backtest alerts by lead time, missed faults, false alarms, operating regime,
and the team's capacity to inspect them.
- Phase 4
04Connect the CMMS and learn
Deliver evidence into work orders, record technician findings, monitor drift,
and expand only when the first warning remains useful in operation.
A credible pilot should show which historical events would have triggered an alert and how much warning they provided. It should also show missed faults, false alarms entering the maintenance queue, and whether a technician could have changed the outcome. The result should expose assets or operating regimes where the data is insufficient.
That evidence is more useful than a generic claim about reducing downtime. RaftLabs does not publish a predictive-maintenance percentage because performance depends on the equipment, failure mode, sensors, maintenance records, and response window.
- An anomaly is called a fault
- A change from normal may reflect load, environment, maintenance, or a replaced sensor. Technician review and operating context decide whether it matters.
- Different assets share one baseline
- Equipment age, configuration, load, and sensor placement can change the healthy range. Compare like with like before training one fleet-wide model.
- The warning has no response owner
- A prediction that sits on a separate dashboard changes nothing. Route it into the CMMS with an inspection step and accountable person.
- Retraining erases the policy
- A new model can move alert behaviour. Compare it with the current version and require approval before promotion.
Scope and price
A focused predictive-maintenance release starts at $30,000.
Begin with one equipment class, one actionable failure mode, historical validation, and one CMMS path.
We test whether the signal supports useful warning before committing to more asset classes or automatic work orders.
Starting investment
Starts at $30,000
A focused first release usually takes 12 to 18 weeks. Instrumentation, safety controls, and sparse history move the estimate most.
Signal audit first
We inspect representative condition and maintenance history before fixing the
production scope. If the precursor or response window is not credible, we say
so.
Fixed-price phase
Once the asset, failure mode, acceptance measures, CMMS boundary, and handover
are agreed, the phase price is locked in writing.
Related services
Where to go next