FP-96 English Version - Eastern Federal Lands Highway Division

Material orProductProperty orCharacteristicTable 209-1Sampling and TestingTest Methods or Specifications Frequency Sampling PointBackfill materialUnclassified borrowClass C bedding materialFoundation fillClassificationMoisture-DensityAASHTO M 145AASHTO T 99 method C1 for each material type1 for each material typeSource of materialProcessed material beforeincorporated into the work141Inplace density andmoisture contentAASHTO T 238 and AASHTO T 239or other approved procedures1 for each 1.5 feet of verticaldepth but not less than 2 for eachinstallationCompacted materialClass B bedding material Gradation AASHTO T 27 and AASHTO T 11 1 for each material type Source of materialStructural backfillSelect granular backfillCrib wall backfillGradationLiquid limitMoisture-DensityAASHTO T 27 and AASHTO T 11AASHTO T 89AASHTO T 99 method C1 for each material type1 for each material typeSource of material orstockpileProcessed material beforeincorporated into the workInplace density andmoisture contentAASHTO T 238 and AASHTO T 239or other approved procedures1 for each 1.5 feet of verticaldepth but not less than 2 for eachinstallationCompacted materialSection 209