WisDOT Bureau of Technical Sevices Spring 2014 QMP Training Base Compaction SPV’s and Project Design Guidance
2 How’d we get here Project selection/design guidance SPV highlights Still to come
3 2013 pilot projects Spec revisions
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. 4 ProjectSelection – Base Agg. Dense Project Selection – Base Agg. Dense
40,000 SY+ Represents 3% of all let projects 43% of pulverize and relay projects 56% of mill and relay 8 Project Selection - Mill/Pulv. & Relay
93% of target density Test frequency “Failing” test/corrective action Measurement and payment 9 Special Provision – Highlights
1 ¼ - Inch Base Aggregate Dense ≤20% Recycled Material >20% Recycled Material Mill/Pulverize and Relay 7
1 ¼ - Inch Base Aggregate Dense Density Gradation Proctor Mill/Pulverize and Relay Density Proctor 8
9
1 ¼ - Inch BAD Mill/Pulverize and Relay 10
Facilities Development Manual guidance Project selection guidance Water bid item Revisions Conversion to STSP 15 Still To Come
Questions Now or On Projects or (608) ftp://ftp.dot.wi.gov/dtsd/bts/pavement/Base_Comp_Docs