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RCM Maintenance Study: Dig-Floor (EX221)

Baseline: Poor Dig-Floor Conditions

RCM heat map showing poor dig-floor conditions before grading

Road Score: 63.79%

Post-Grading: Optimized Surface

RCM heat map showing optimised dig-floor surface after grading

Road Score: 79.13%

RCM Heat Map showing the 700m section transformation from high-resistance (red) to high-efficiency (green).

Productivity Snapshot

Shift Production Increase

+1,963 Tonnes

or +5.61 Payloads

Cycle Time Reduction

-12.8 Seconds

per cycle

Speed Improvement

+2.1 km/h

19.3 → 21.4 km/h

Technical Narrative

By utilizing real-time RCM data, site management identified and repaired 700m of the EX221 dig-floor in just two hours. This surgical maintenance improved the road score from 63.79% to 79.13%, directly impacting fuel consumption, tyre wear, and operator comfort.

The Fleet Math

For an 8-vehicle fleet of Liebherr T282s (350t payload) over a 12-hour shift, the cycle time reduction scales to nearly 2,000 additional tonnes moved without increasing fleet size.