2008 NACE Western Regional Symposium – Pavement Preservation
description
Transcript of 2008 NACE Western Regional Symposium – Pavement Preservation
![Page 1: 2008 NACE Western Regional Symposium – Pavement Preservation](https://reader033.fdocuments.net/reader033/viewer/2022050819/568144e8550346895db1b809/html5/thumbnails/1.jpg)
October 3, 2008Laughlin Nevada
Stephen B. Urbanek, P.E.County of Sonoma Department of Transportation and Public Works
PROMOTINGPAVEMENT PRESERVATION IN SONOMA COUNTY
![Page 2: 2008 NACE Western Regional Symposium – Pavement Preservation](https://reader033.fdocuments.net/reader033/viewer/2022050819/568144e8550346895db1b809/html5/thumbnails/2.jpg)
Challenges
System Size and Condition
Funding
Approach to Pavement Management
![Page 3: 2008 NACE Western Regional Symposium – Pavement Preservation](https://reader033.fdocuments.net/reader033/viewer/2022050819/568144e8550346895db1b809/html5/thumbnails/3.jpg)
Sonoma County
Population
Service Area
Lane Miles Arterials Collectors Locals
![Page 4: 2008 NACE Western Regional Symposium – Pavement Preservation](https://reader033.fdocuments.net/reader033/viewer/2022050819/568144e8550346895db1b809/html5/thumbnails/4.jpg)
1,371 Centerline Miles to Maintain
![Page 5: 2008 NACE Western Regional Symposium – Pavement Preservation](https://reader033.fdocuments.net/reader033/viewer/2022050819/568144e8550346895db1b809/html5/thumbnails/5.jpg)
PCI by Class
![Page 6: 2008 NACE Western Regional Symposium – Pavement Preservation](https://reader033.fdocuments.net/reader033/viewer/2022050819/568144e8550346895db1b809/html5/thumbnails/6.jpg)
Challenges
System Size and Condition
Funding
Approach to Pavement Management
![Page 7: 2008 NACE Western Regional Symposium – Pavement Preservation](https://reader033.fdocuments.net/reader033/viewer/2022050819/568144e8550346895db1b809/html5/thumbnails/7.jpg)
![Page 8: 2008 NACE Western Regional Symposium – Pavement Preservation](https://reader033.fdocuments.net/reader033/viewer/2022050819/568144e8550346895db1b809/html5/thumbnails/8.jpg)
How we compare…
COUNTY PCI Ctr. LineMiles
Annual Revenue Per
Mile
MTCE Employee
s
Miles per Employee
Number of Paid Vehicle Registrations
Contra Costa 83 657 $ 28,243 80 8.2 818,086
Santa Clara 75 685 $ 28,018 130 5.2 1,385,167
Alameda 69 470 $ 35,976 58 8.1 1,125,186
San Mateo 65 316 $ 43,006 59 5.3 660,865
Solano 58 600 $ 17,111 52 11.5 329,012
Napa 54 446 $ 15,677 33 13.5 116,477
Marin 48 420 $ 26,156 46 9.1 219,844
Sonoma 44 1387 $ 20,831 91 15.2 413,168
![Page 9: 2008 NACE Western Regional Symposium – Pavement Preservation](https://reader033.fdocuments.net/reader033/viewer/2022050819/568144e8550346895db1b809/html5/thumbnails/9.jpg)
Annual Funding Scenarios for Road Network
PCI Changes with Expenditure ($ millions) for All Roads
40
45
50
55
60
65
70
75
2007 2008 2009 2010 2011 2012
PC
I
$120
$20
$15
$10
$5
![Page 10: 2008 NACE Western Regional Symposium – Pavement Preservation](https://reader033.fdocuments.net/reader033/viewer/2022050819/568144e8550346895db1b809/html5/thumbnails/10.jpg)
Challenges
System Size and Condition
Funding
Approach to Pavement Management
![Page 11: 2008 NACE Western Regional Symposium – Pavement Preservation](https://reader033.fdocuments.net/reader033/viewer/2022050819/568144e8550346895db1b809/html5/thumbnails/11.jpg)
The Old Way…
Focus on Rehabilitation and Reconstruction
Reactive and political
Results showed limited improvement to the system pavement condition
![Page 12: 2008 NACE Western Regional Symposium – Pavement Preservation](https://reader033.fdocuments.net/reader033/viewer/2022050819/568144e8550346895db1b809/html5/thumbnails/12.jpg)
In Ten Years…
By the year 2017 the County’s roads would require almost total reconstruction
![Page 13: 2008 NACE Western Regional Symposium – Pavement Preservation](https://reader033.fdocuments.net/reader033/viewer/2022050819/568144e8550346895db1b809/html5/thumbnails/13.jpg)
![Page 14: 2008 NACE Western Regional Symposium – Pavement Preservation](https://reader033.fdocuments.net/reader033/viewer/2022050819/568144e8550346895db1b809/html5/thumbnails/14.jpg)
Pavement Preservation Strategy Change “Worst First” Past Practice
Perform Life Cycle Analysis
Promote Preservation First
![Page 15: 2008 NACE Western Regional Symposium – Pavement Preservation](https://reader033.fdocuments.net/reader033/viewer/2022050819/568144e8550346895db1b809/html5/thumbnails/15.jpg)
Maintenance Strategy
Develop technical expertise
Encourage innovation
Understand Systems Approach
![Page 16: 2008 NACE Western Regional Symposium – Pavement Preservation](https://reader033.fdocuments.net/reader033/viewer/2022050819/568144e8550346895db1b809/html5/thumbnails/16.jpg)
The New Way…
![Page 17: 2008 NACE Western Regional Symposium – Pavement Preservation](https://reader033.fdocuments.net/reader033/viewer/2022050819/568144e8550346895db1b809/html5/thumbnails/17.jpg)
The New Way…
![Page 18: 2008 NACE Western Regional Symposium – Pavement Preservation](https://reader033.fdocuments.net/reader033/viewer/2022050819/568144e8550346895db1b809/html5/thumbnails/18.jpg)
Pavement PreservationPreventive Maintenance Prolongs the life of the road Lowers the cost of maintaining the road
![Page 19: 2008 NACE Western Regional Symposium – Pavement Preservation](https://reader033.fdocuments.net/reader033/viewer/2022050819/568144e8550346895db1b809/html5/thumbnails/19.jpg)
The New Way…
![Page 20: 2008 NACE Western Regional Symposium – Pavement Preservation](https://reader033.fdocuments.net/reader033/viewer/2022050819/568144e8550346895db1b809/html5/thumbnails/20.jpg)
Field Review of Treatment Options
![Page 21: 2008 NACE Western Regional Symposium – Pavement Preservation](https://reader033.fdocuments.net/reader033/viewer/2022050819/568144e8550346895db1b809/html5/thumbnails/21.jpg)
The New Way…
![Page 22: 2008 NACE Western Regional Symposium – Pavement Preservation](https://reader033.fdocuments.net/reader033/viewer/2022050819/568144e8550346895db1b809/html5/thumbnails/22.jpg)
Treatment Options…Our Tool Box Crack Sealing Fog Seals Rejuvenating Seals Slurry Seals Micro Seals Chip Seals Asphalt Rubber Chip Seals Thin Overlays
![Page 23: 2008 NACE Western Regional Symposium – Pavement Preservation](https://reader033.fdocuments.net/reader033/viewer/2022050819/568144e8550346895db1b809/html5/thumbnails/23.jpg)
The New Way…
![Page 24: 2008 NACE Western Regional Symposium – Pavement Preservation](https://reader033.fdocuments.net/reader033/viewer/2022050819/568144e8550346895db1b809/html5/thumbnails/24.jpg)
Remaining service life
Remaining service life in 10 years if all county roads if no preventive maintenance is performed
![Page 25: 2008 NACE Western Regional Symposium – Pavement Preservation](https://reader033.fdocuments.net/reader033/viewer/2022050819/568144e8550346895db1b809/html5/thumbnails/25.jpg)
2008 Pavement Preservation Program Analysis
Project Treatment Project Cost Per
Programmed Treatment Length (Miles)Life (years) Mile-Years Cost Mile Year
Overlays 2 20 40 $ 2,100,000 $ 52,500
Asphalt Rubber Chip Seals 37.13 10 371 $ 3,500,000 $ 9,426
PASS Chip Seals (Co. Prcd.) 19.25 7 135 $ 1,000,000 $ 7,421
Rejuvenating Seals 12.57 3 38 $ 100,000 $ 2,652
Total 70.95 584
Network Need 1,371
Deficit 787 $ 6,700,000
![Page 26: 2008 NACE Western Regional Symposium – Pavement Preservation](https://reader033.fdocuments.net/reader033/viewer/2022050819/568144e8550346895db1b809/html5/thumbnails/26.jpg)
The New Way…
![Page 27: 2008 NACE Western Regional Symposium – Pavement Preservation](https://reader033.fdocuments.net/reader033/viewer/2022050819/568144e8550346895db1b809/html5/thumbnails/27.jpg)
2008 Pavement Preservation Program
![Page 28: 2008 NACE Western Regional Symposium – Pavement Preservation](https://reader033.fdocuments.net/reader033/viewer/2022050819/568144e8550346895db1b809/html5/thumbnails/28.jpg)
Old = $9,000,000
250 Mile Years $36,000/Mile Year
Comparison – Old and New Strategies
New = $7,600,000
584 Mile Years$13,000/Mile Year
![Page 29: 2008 NACE Western Regional Symposium – Pavement Preservation](https://reader033.fdocuments.net/reader033/viewer/2022050819/568144e8550346895db1b809/html5/thumbnails/29.jpg)
What’s Next?
1.Define a prioritized portion of the road network
2.Develop funding options for the remainder of the road network
Thank you!