6 min read OTR Technical Guide

Pre-Selection OTR Site Survey: Data to Collect explains the operating evidence, measurements and asset details needed to evaluate this tyre topic consistently across a fleet or worksite.

Describe the Real Duty

Pre-Selection OTR Site Survey: Data to Collect is clearest when each value can be traced to a position, a method and the duty at that moment.

Pre-Selection OTR Site Survey: Data to Collect becomes useful when the route or work cycle is broken into measurable segments. Distance, surface, stops, gradients, loading state, manoeuvres and unusual events should represent a normal operating period rather than a single convenient trip.

Pre-Selection OTR Site Survey: Data to Collect — Field Data Sheet

Use one time base and one asset identity throughout the survey. Separate recurring duty from temporary construction, weather or production changes.

Duty boundary

Start, finish, repeat frequency and the operating period represented.

Load

Loaded, empty and partial cycles with the source of the value.

Events

Impacts, cuts, wheelspin, delays or route changes tied to location.

Build the Duty Profile

  1. Choose a representative shift, route or production cycle.
  2. Split the work at meaningful surface and load changes.
  3. Use machine time, distance and event records from the same period.

Using the Duty Profile

Keep Pre-Selection OTR Site Survey: Data to Collect with the asset history so a duty, position or condition change can be followed across shifts.

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