Paving Potpourri
2015 Spec Changes and More!
Bob Dyer
Lynn Peterson
Assistant State Construction Engineer
Secretary of Transportation
WAPA Joint Training
March 2015
Spec Changes –
Done Deal
• Eliminate Anti-Strip in
temp HMA
• RAP/RAS
Current 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
2
Spec Changes –
Done Deal
• Pavement
Smoothness
January 2015 GSP
• Mix Design Approval
with QPL
April 2015
Date, time and initials of last
edit
3
Spec Changes –
Done Deal
Test Frequency
As of January 2015
• Mix Sublot size
From 1/800T to 1/1000T
• Density Sublot size
From 1/80T to 1/100T
Date, time and initials of last
edit
As of April 2015
HMA Mix
HMA Project Quantity (tons)
Sublot Size (tons)
<20,000
20,000 to 30,000
>30,000
1,000
1,500
2,000
HMA Density
HMA Project Quantity (tons)
Sublot Size (tons)
<20,000
20,000 to 30,000
>30,000
100
150
200
4
Spec Changes – Coming but not Finalized
• Increase in RAP
Percent
Nationally 0-15% OK;
15-25 drop a binder
grade; >25 detailed
mix design (like what
we do now)
• HMA On bridge decks
Should be something
(GSP or amendment)
by August 2015
Date, time and initials of last
edit
5
HMA Points of
Emphasis
• Old Way
• Today’s Way:
Pass/Fail with tolerance
on an individual test
Statistical Evaluation
Date, time and initials of last
edit
6
HMA Points of
Emphasis
• Standard Spec 3-04
•
•
•
Fine Aggregate
Angularity
Sand Equivalent
Coarse Aggregate
Fracture
7
Hot Mix Asphalt, Asphalt Binder &
Crude Oil Indices
600
Asphalt
Binder
500
Crude Oil
400
300
200
Hot Mix
Asphalt
100
0
Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4
2002
2003
Base: 2002 = 100
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
Hot Mix Asphalt
Unit Bid Price
$ / TON
$90
$80
$70
$60
$50
Trendline
$40
$30
$20
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
Government
Regulation and
Taxes
Government
Regulation and
Taxes
Bob Dyer
Assistant State Construction
Engineer, Roadway
[email protected]
360.705.6980
12