Rap use in Illinois - Purdue Engineeringncaupg/Activities/2007... · 2007-01-29 · Rap Use In...
Transcript of Rap use in Illinois - Purdue Engineeringncaupg/Activities/2007... · 2007-01-29 · Rap Use In...
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Rap Use In IllinoisRap Use In Illinois
January 10th 2007North Central Asphalt User/Producer GroupNorth Central Asphalt User/Producer Group
Dan GallagherGallagher Asphalt Corp.
Thornton, Illinois
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Agenda
• Background • RAP Classification• Processing• Batch vs. Drum• Where we use it• Savings • What lies ahead• Questions?
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Quiz Question..Who said This???
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Plant Locations
Thornton, Illinois
Gencor 600TPH
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Plant Locations
Joliet, Illinois
Astec 375TPH
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Plant Locations
Bourbonnais, Illinois
Gencor 425TPH
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100,000 Tons In Thornton
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50,000 Tons in Joliet
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Illinois History1980’s
• 80’s Started Milling Program• Milling guidelines for plans• RAP is property of contractors• Policies allowed reuse of RAP back
into binders lower lifts, surface and shoulders
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Illinois History1990’s
• SuperPave Mixes start without RAP• As SuperPave became more
common in use RAP stockpiles began to grow.
• Late 90’s SuperPave Mixes allowed to use RAP
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Illinois HistoryNew Millennium
• Developed RAP policy for SuperPave• Review of piles found many
contractors had poor RAP handling storage practices
• IDOT Added controls to allow more usage (stockpiling and crushing)
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How do you handle incoming RAP?
Check Loads carefully before allowing them to dump
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Coarse Aggregate Quality
Test A B C D
NaSO4 Soundness 15 15 20 25
LA Abrasion- Max loss 40 40 40 45
Max % DeleteriousShale 1.0 2.0 4.0 -Clay Lumps 0.25 0.5 0.5 -Coal & Lignite 0.25 - - -Soft and Unsound 4.0 6.0 8.0 -Other Deleterious 4.0 2.0 2.0 -Total Deleterious 5.0 6.0 10.0 -
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RAP Sources
Other
Kmart...A, B, C, D..?
ConglomerateA, B, CA, B A, B, C
Multiple State Highways
A, BA, B, C
HomogeneousA, B
HomogeneousA, B, C
Single State Hwy
BAM
D
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Incoming RAP Handling Procedures [Best Practices]
1. Construction crew Foreman (Milling crew or demo crew) contacts Plant Foreman with RAP material information (location, type of pavement, thickness removed)
2. Accepting RAP with significant contamination (dirt, grass, concrete, clay, etc.) is prohibited by plant policy.
3. Plant Foreman determines the type of RAP (homogeneous/conglomerate/other) and where to stockpile.
4. Plant Foreman notifies Scale Clerk and Yard Loader Operator of incoming material type.
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Incoming RAP Handling Procedures [Best Practices]
5. Scale Clerk instructs incoming RAP truck drivers where to dump material and tickets the incoming material loads to track RAP inventory by type.
6. Plant Loader Operator monitors quality of incoming material as trucks are dumping and he stockpiles the material. If any problems are observed the Loader Operator notifies the Plant Foreman for corrective action.
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Incoming RAP Handling Procedures [Best Practices]
7. The Scale Clerk prints the daily plant report and highlights all incoming RAP with the proper classification (homogeneous/conglomerate/other). The reports are kept in a three ring binder in the Plant Ticketing Office to fulfill IDOT tracking requirements.
8. RAP is processed by type into separate processed stockpiles. The Plant Loader Operator is instructed by the HMA Plant Operator which material to feed the plant per the mix design requirement of the HMA.
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DATE TONS NUMBER OF LOADS LOCATION OF RAP TYPE OF RAP
4/5/2006 1290 68 GE06801 KEDZIE AVE./OLYMPIAN WAY CONG4/7/2006 1631 78 GE06801 KEDZIE AVE./OLYMPIAN WAY CONG
4/10/2006 1236 70 GE06801 KEDZIE AVE./OLYMPIAN WAY CONG4/17/2006 280 14 GE04107 DAN RYAN SKYWAY INTER. CONG4/17/2006 40 2 GE04108 IDOT DAN RYAN AT WELLS CONG4/17/2006 44 4 GE05241 SAUK VILLAGE MFT CONG4/18/2006 120 6 GE06901 63RD AND HALSTED CONG4/19/2006 40 2 GE05209 135TH ST., CICERO-KOSTNER CONG4/20/2006 1227 70 GE06801 KEDZIE AVE./OLYMPIAN WAY CONG4/24/2006 1059 57 GE06801 KEDZIE AVE./OLYMPIAN WAY CONG4/27/2006 124 8 GE06201 STEGER HOMO4/28/2006 200 10 GE05623 USAA 700K SPEC BLDG OTHER4/28/2006 18 1 GMRAP FROM OUTSIDE SOURCES 112TH & TORR CONG4/28/2006 104 7 GE06201 STEGER CONG5/2/2006 93 6 GE05216 SOUTH HOLLAND STREET RESURF CONG
RAP LOG - THORNTON YARD
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Excavator with offset tooth ripper bucket.
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Closed circuit crusher/screen system
Inertia 5066 – 50” feed opening, 66” rotor diameter
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Tyler/Tyrock 8’x20’ two deck incline screen
Top Deck 1” screen
Bottom Deck 1/2” VenoSelf Cleaning style
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Normal Production approx. 160-220 tons per hour(1/2” Minus)
Rate varies depending on feed top size, moisture, condition of bars
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Store RAP in a cool dry place
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Rap Shelter
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RAP Shelter
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Some stockpile areas are paved
•Washed extraction tests every 500tons for the first 2000 tons and one per 2000 after.
•Test for Gradation and Asphalt content•Illinois does not check recovered
Penetrations or viscosityParameterHomogeneous/Conglomerate
Conglomerate "D" Quality
12.5mm (1/2 in.) ± 8% ± 15%4.75mm (No. 4) ± 6% ± 13%2.36mm (No. 8) ± 5%1.18mm (No. 16) ± 15%600um (No. 30) ± 5%75um (No. 200) ± 2.0% ± 4.0%AC ± 0.4% ± 0.5%
•Moistures of all aggregates and RAP daily
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RAP Sources
Other
Kmart...A, B, C, D..?
ConglomerateA, B, CA, B A, B, C
Multiple State Highways
A, BA, B, C
HomogeneousA, B
HomogeneousA, B, C
Single State Hwy
BAM
D
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In Illinois we Classify RAP
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RAP Piles!Other
Kmart...A, B, C, D..?
ConglomerateHomogeneous
A, BA, B, C
D
Other
Kmart...A, B, C, D..?Homogeneous
A, B
Steel Slag
Conglomerate
Steel Slag
D
12 3
4 5 6
7 108 9
Processed RAP Processed RAP Processed RAP
Processed RAPProcessed RAP
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Batch Plant with Recyclecapabilities
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Batch Plant with Recyclecapabilities
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Batch Plant with Recyclecapabilities
Cold Sand bin adds sand to weigh hopper
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Max RAP %
N-Design Binder/Level Binder Surface30 30 3050 25 1570 15 1090 10 10
105 0 0
No RAP in Polymer Mixes/ Shoulders up to 50%
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Thornton Rap UseRAP Processed HMA Produced Average % recy.
2003 92,844 431,782 21.5%
2004 77,791 408,786 19.0%
2005 137,440 591,817 23.2%
2006 85,000 463,244 18.3%
Thornton
RAP Processed
92,844
77,791
137,440
85,000
2003
2004
2005
2006
21.5%
23.2%19.0%
18.3%
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Joliet RAP UseYearRAP Processed HMA Produced Average % recy.
2003 59,784 300,561 19.9%
2004 78,445 344,184 22.8%
2005 86,777 375,755 23.1%
2006 107,000 440,248 24.3%
Joliet
RAP Processed
59,784
78,445
86,777
107,0002003
2004
2005
2006
23.1%
19.9%
22.8%
24.3%
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Non-Polymer Overlays
HomogeneousA, B
HomogeneousA, B, C
ConglomerateA, B, C
D
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Polymer Overlays
HomogeneousA, B
HomogeneousA, B, C
ConglomerateA, B, C
D
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RAP Usage
Other
Kmart...A, B, C, D..? Private Use or Waste
D
BAM Mixes
Shoulders/Agg Cap
Private use or waste
Steel Slag
Surface Only or waste
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Shoulders/Subgrade/PGE
HomogeneousA, B
HomogeneousA, B, C
ConglomerateA, B, C
D
Allow Blends into PGE/AggSubgrade?
PGE/Aggregate SubgradeRAP CAP
Non-Quality use
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Other
Kmart...A, B, C, D..?
Aggregate Bases
HomogeneousA, B
HomogeneousA, B, C
ConglomerateA, B, C
D
CA 6, 10, 12… “D+” Quality
Blend % ?
How to measure quality on RAP?
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Overlay PG GradesN-Design ESAL –M Standard Slow Standing
30 <0.3 PG 58-22 PG64-22 PG64-22
50 0.3 to < 3 PG64-22 PG70-22SBR or SBS
PG70-22
SBS-PG76-22
70 3 to < 10 PG64-22 PG70-22SBR or SBS
PG70-22
SBS-PG76-22
90 10 to < 30 PG64-22 PG70-22SBR or SBS
PG70-22
SBS-PG76-22
105 > Or = 30 PG70-22SBR or SBS
PG70-22
PG70-22SBR or SBS
PG70-22
SBS-PG76-22
Polymer mixes can not be recycled
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Illinois Groups Charge 2005-2006
• Retain quality & performance• Strive for highest value use• Create policies that have economic sustainability• Protect the environment• Training for local agencies on RAP specification
Progress has been made in Illinois!
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Max RAP %
N-Design Binder/Level Binder Surface
30 30 30
50 25 15
70 15 10
90 10 10
105 0 0
RAP in Polymer Mixes/ Shoulders up to 50%
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Overlay PG GradesN-Design ESAL –M Standard Slow Standing
30 <0.3 PG 58-22 PG64-22 PG64-22
50 0.3 to < 3 PG64-22 PG70-22SBR or SBS
PG70-22
SBS-PG76-22
70 3 to < 10 PG64-22 PG70-22SBR or SBS
PG70-22
SBS-PG76-22
90 10 to < 30 PG64-22 PG70-22SBR or SBS
PG70-22
SBS-PG76-22
105 > Or = 30 PG70-22SBR or SBS
PG70-22
PG70-22SBR or SBS
PG70-22
SBS-PG76-22
Polymer mixes can not be recycledX
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Asphalt Costs
PG Grade Cost Increase from PG64-22 Mix Increase*
64-22 $400 $0$25
$100$125$170
$0.0058-22 $425 $1.570-22 $500 $6.0076-22 $525 $7.5076-28 $570 $10.20
*Does not include plant considerations
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Asphalt Costs
PG Grade Cost Increase from PG64-22 Mix Increase*
64-22 $400 $0$25
$100$125$170
$0.00 ($5.00)58-22 $425 $1.5 ($5.31)70-22 $500 $6.00 ($6.25)76-22 $525 $7.50 ($6.56)76-28 $570 $10.20 ($7.13)
*Does not include plant considerations
Asphalt binder savings based on an average AC content of 5% liquid in RAP and blending 25% Rap in mix.
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Mix cost savings
Virgin SurfaceMaterial $/ton % Mix costAggregate cost 10.00$ 94.0% 9.40$ Asphalt cost 410.00$ 6.0% 24.60$
Total mix cost 34.00$
Recycle SurfaceMaterial $/ton % Mix costAggregate cost 10.00$ 70.25% 7.03$ Asphalt cost 410.00$ 4.75% 19.48$ RAP* 5.75$ 25% 1.44$
Total mix cost 27.94$
*Assume 5% liquid in the RAP
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Who Saves the $6.07/ton?
• The Contractor?
• The DOT/Customer?
I think it depends on your market….
• Some split between the two..
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What has RAP saved the tax payers of Illinois 2003-2006
• Thornton – 393,075 tons of RAP• Joliet – 332,006 tons of RAP• Total – 725,081 tons of RAP in 4 years
This will produce 2,900,324 tons of HMAat 25% RAP
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What has RAP saved the tax payers of Illinois 2003-2006
At $6.00/ ton savings = $17,401,944
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NAPA Recycling Task Force • Communicate the Economic$ of Recycling.• Develop Guidelines on higher RAP content
mixes.• Conduct a technology transfer program.
– Equipment– Mix Design– Research
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The Real Goal
End the misperceptions that RAP mixtures are inferior to Virgin!
•Good Control of incoming material
•Strong processing controls on RAP
•Sound Mix Designs using RAP•Quality Control in production and laydown
•Continue to do more research andshare experiences
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Illinois Future with Shingles?
Private State
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Did you Know?
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Thank you to David Lippert for inviting me to speak in Minnesota
in January!
Any questions?