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  IH-43 Ozaukee Co.  USH 63 St. Croix Co. (x2)  STH 179 Crawford Co.  STH 29 Brown Co.  STH 153 Marathon Co.  Spec revisions  1 ¼ – Inch BAD  Mill/Pulverize and Relay  STH 47 Vilas Co.  USH 51 Lincoln Co.  STH 73 Wood Co.  STH 29 Marathon Co.  Fishel Road Forest Co.

 HMA surfaced mainline  AND QMP Subgrade and/or Subgrade improvement  AND 30,000 tons+  Between 2010 and 2013  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

 Minimum Mill and Relay or Pulverize and Relay Quantity of 40,000 SY  Between 2010 and 2013  3% of all let projects  43% of pulverize and relay projects  56% of mill and relay 5 Project Selection - Mill/Pulv. & Relay

 QC plan  IA requirements  Personnel requirements  93% of target density  Test frequency  “Failing” test/corrective action  Measurement and payment 6 Special Provision – Highlights

 Organizational chart  Communication process  Source locations list (1 ¼” spec only)  Stockpiling and hauling methods (1 ¼” spec only)  Process control problem resolution process  QC lab, sample, and documentation storage locations  Estimate of locations and calculated quantities to be tested under this provision. 7

 Personnel  HTCP Nuclear Density Technician I  Or ACT certified technician  IA  According to the Department’s independent assurance program 8

 1 ¼ - Inch Base Aggregate Dense  ≤20% Recycled Material  Modified Proctor Max Dry  >20% Recycled Material  Mod. Proctor Max Wet  Mod. Proctor Max Dry  Control Strip  Mill/Pulverize and Relay  Control Strip 9

 1 ¼ - Inch Base Aggregate Dense  Density – 1 per 1500 tons  Gradation – 1 per 3000 tons  Proctor – initial and then if trigger met  Mill/Pulverize and Relay  Density – 1 per 3000 tons  Proctor – initial and then if trigger met  CA – Optional Information  Process control decisions  Troubleshooting  Limiting liability and/or corrective action limits 10

 1 ¼ - Inch Base Aggregate Dense  Gradation change > 10.0%  Source change  Recycle material blend change > 10.0%  Density > 103% on two consecutive measurements  If using control strips; thickness change > 2.0 inches  Mill/Pulverize and Relay  Layer thickness change > 2.0 inches  Density > 105% or <90.0%; AND outside of range of 10 avg control strip shots; on three consecutive measurements 11

 Density and gradations  30% of Contractor Frequency  Target densities;  Same triggers as QC  Control Strips  QV person must be present and verify sufficient compactive effort (including addition of water)  Will use same value as contractor 12

13  Evaluate QV and QC sampling and testing  May include one or more of the following:  Split sample testing  Proficiency sample testing  Witnessing sampling and testing  Test equipment calibration checks  Additional sampling and testing

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 1 ¼ - Inch BAD; Tons  Mill/Pulverize and Relay; SY  Water; MGal 15

 Facilities Development Manual guidance – March 2014  Project selection guidance  Water bid item  10 – 20 gallons per ton 1 ¼ - Inch BAD  3 – 6 gallons per SY Mill/Pulverize and Relay  Revisions – Fall 2014  Conversion to STSP – Spring Still To Come

Questions Now or On Projects or (608) ftp://ftp.dot.wi.gov/dtsd/bts/pavement/Base_Comp_Docs