Paving Potpourri 2015 Spec Changes and More! Bob Dyer Assistant State Construction Engineer WAPA...
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Paving Potpourri 2015 Spec Changes and More! Bob Dyer Assistant State Construction Engineer WAPA Joint Training March 2015 Lynn Peterson Secretary of Transportation
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Transcript of Paving Potpourri 2015 Spec Changes and More! Bob Dyer Assistant State Construction Engineer WAPA...
Paving Potpourri2015 Spec Changes and More!
Bob DyerAssistant State Construction Engineer
WAPA Joint Training
March 2015
Lynn PetersonSecretary of Transportation
2
Spec Changes – Done Deal
• Eliminate Anti-Strip in temp HMA
• RAP/RASCurrent RAP/RAS will be an amendment in April 2015
• Density Acceptance by Cores
Bid item for projects we want Contractor to core
Date, time and initials of last edit
3
Spec Changes – Done Deal
• Pavement SmoothnessJanuary 2015 GSP
• Mix Design Approval with QPLApril 2015
Date, time and initials of last edit
4
Spec Changes – Done Deal
HMA MixHMA Project Quantity (tons) Sublot Size (tons)
<20,000 1,00020,000 to 30,000 1,500
>30,000 2,000
HMA DensityHMA Project Quantity (tons) Sublot Size (tons)
<20,000 10020,000 to 30,000 150
>30,000 200
As of January 2015
• Mix Sublot size
From 1/800T to 1/1000T
• Density Sublot sizeFrom 1/80T to
1/100T
Date, time and initials of last edit
As of April 2015
Test Frequency
5
Spec Changes – Coming but not Finalized
• Increase in RAP PercentNationally 0-15% OK; 15-25 drop a binder grade; >25 detailed mix design (like what we do now)
• HMA On bridge decksShould be something (GSP or amendment) by August 2015
Date, time and initials of last edit
6
HMA Points of Emphasis
• Old WayPass/Fail with tolerance on an individual test
Date, time and initials of last edit
• Today’s Way:Statistical Evaluation
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HMA Points of Emphasis
• Standard Spec 3-04• Fine Aggregate
Angularity• Sand Equivalent• Coarse Aggregate
Fracture
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2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014
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100
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Hot Mix Asphalt, Asphalt Binder & Crude Oil Indices
Hot Mix Asphalt
Base: 2002 = 100
Crude Oil
Asphalt Binder
Hot Mix Asphalt Unit Bid Price
90 91 92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14$20
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$90$ / TON
Trendline
Government Regulation and Taxes
Government Regulation and Taxes
