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TBFC 348

Paving Checklist

Item 348 – Thin Bonded Friction Course (TBFC)

Construction Tips:

  • Production: Caution when switching mixes in the same shift, lower production rates, TBFC-see PFC, temperature control. Verify aggregate supplier’s capacity to produce for entire project.
  • Trucking: Tight tarps, consider impact of long haul on temperature.
  • MTV/Shuttle Buggy: Recommend dumping initial half-loads to prevent rapid cooling
  • Paving: Limit to peak paving season, spray paver option, bonding course, bonding layer, see PFC above, watch joints closely.
  • Compaction: Less roll down, fat spots.
  • Handwork: Difficult due to rapid cooling, avoid if possible/thin lifts.
  • Testing (QC/QA): Water flow – no cores.
  • HPG Binder – Seek MTD Approval – See HPG tips.
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