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B ase Compaction SPV’s and Project Design Guidance. WisDOT Bureau of Technical Sevices Spring 2014 QMP Training. Outline. How’d we get here Project selection/design guidance SPV highlights Still to come. How’d We Get Here?. 2013 pilot projects Spec revisions.
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Base Compaction SPV’sand Project Design Guidance WisDOT Bureau of Technical Sevices Spring 2014 QMP Training
Outline How’d we get here Project selection/design guidance SPV highlights Still to come
How’d We Get Here? 2013 pilot projects Spec revisions
ProjectSelection – BaseAgg. Dense • HMA surfaced mainline • AND QMP Subgrade and/or Subgrade improvement • AND 30,000 tons+ • Represents • 17% of all let projects • 31% of HMA projects • 54% of HMA projects with 1-1/4” base agg.
Project Selection - Mill/Pulv.& Relay 8 • 40,000 SY+ • Represents • 3% of all let projects • 43% of pulverize and relay projects • 56% of mill and relay
Special Provision – Highlights 9 • 93% of target density • Test frequency • “Failing” test/corrective action • Measurement and payment
Target Density Determination • 1 ¼ - Inch Base Aggregate Dense • ≤20% Recycled Material • >20% Recycled Material • Mill/Pulverize and Relay
Test Frequency • 1 ¼ - Inch Base Aggregate Dense • Density • Gradation • Proctor • Mill/Pulverize and Relay • Density • Proctor
Measurement and Payment 1 ¼ - Inch BAD Mill/Pulverize and Relay
Still To Come 15 • Facilities Development Manual guidance • Project selection guidance • Water bid item • Revisions • Conversion to STSP
ftp://ftp.dot.wi.gov/dtsd/bts/pavement/Base_Comp_Docs 16 Questions Now or On Projects jed.peters@dot.wi.gov or (608)220-0690