Draft Geotechnical/Grading and Base QC/QC Requirements Material Type Primary Secondary Tertiary Quaternary Requirement Requirement Requirement Requirement Subgrade Non Granular 95% Modified LWD Information Test Rolling – – Proctor Only Subgrade Granular DCP 100% Standard LWD Information Only Test Rolling – – Proctor Base DCP 100% Standard LWD Information Only Test Rolling – Proctor Large & Drainable Bases Quality LWD Information – Compaction Only Shouldering Quality 100% Standard LWD Information Only Test Rolling – Compaction Proctor Minnesota’s QA/QC Requirements Material Type Requirements Subgrade Non Granular The default is 100% Standard Proctor and Test Rolling. – LWD or Quality Compaction are occasionally used in lieu of specified density. Subgrade Granular The default is DCP and Test Rolling. – Specified density, LWD or Quality Compaction are sometimes used in lieu of DCP. Base The default is DCP and Test Rolling. Specified density, LWD or Quality Compaction are sometimes used in lieu of DCP. Large & Drainable Bases Quality Compaction Shouldering Quality Compaction and Test Rolling
Draft Geotechnical/Grading and Base QC/QC Requirements Material Type Primary Requirement Secondary Requirement Tertiary Requirement Quaternary Requirement Subgrade – Non Granular 95% Modified Proctor LWD – Information Only Test Rolling Subgrade – Granular DCP 100% Standard Proctor LWD – Information Only Test Rolling Base DCP 100% Standard Proctor LWD – Information Only Test Rolling Large & Drainable Bases Quality Compaction LWD – Information Only Shouldering Quality Compaction 100% Standard Proctor LWD – Information Only Test Rolling Minnesota’s QA/QC Requirements Material Type Requirements Subgrade – Non Granular The default is 100% Standard Proctor and Test Rolling. LWD or Quality Compaction are occasionally used in lieu of specified density. Subgrade – Granular The default is DCP and Test Rolling. Specified density, LWD or Quality Compaction are sometimes used in lieu of DCP. Base The default is DCP and Test Rolling. Specified density, LWD or Quality Compaction are sometimes used in lieu of DCP. Large & Drainable Bases Quality Compaction Shouldering Quality Compaction and Test Rolling
NRRA%20Draft%20Geotechnical%20QA%20QC%20requirments.docx