1 maintenance decision support system pooled fund study tpf-5(054) david huft, south dakota dot...
Post on 15-Jan-2016
216 Views
Preview:
TRANSCRIPT
1
Maintenance DecisionSupport System
Pooled Fund Study TPF-5(054)David Huft, South Dakota DOT
AASHTO Standing Committee on HighwaysPalm Desert, CA October 24, 2009
Maintenance DecisionSupport System
Pooled Fund Study TPF-5(054)David Huft, South Dakota DOT
AASHTO Standing Committee on HighwaysPalm Desert, CA October 24, 2009
Connecting South Dakota and the Nation
2
Motivation for MDSSMotivation for MDSS
Rising expectations of traveling public and commercial carriers
Rising material & fuel costs Constrained agency funding and staffing Reliable, timely, reports of conditions hard to get Some weather conditions are difficult to forecast Pavement response to weather conditions and
maintenance treatments is complex New deicing chemicals are available Retiring maintenance staff replaced by less
experienced workers
3
MDSS Operating PremiseMDSS Operating Premise
If you know… road characteristics current conditions predicted weather physics & chemistry of
snow, ice, chemicals available resources
(material, equipment, schedule)
MDSS can recommend… treatment type application rate optimal timing
…and predict future road conditions
with or without treatments
4
MDSS Mass & Energy ModelingMDSS Mass & Energy Modeling
5
MDSS Road Condition PredictionMDSS Road Condition Prediction
PassingDriving
6
Pooled Fund MDSS:Essential Elements of MDSS
Pooled Fund MDSS:Essential Elements of MDSS Report actual road
conditions Report maintenance
treatments Assess past & present
weather conditions Assess present roadway
state Predict storm-event weather Recognize resource
constraints Identify feasible
maintenance treatments Target agency priorities
Predict road surface behavior
Communicate recommendations to supervisors and workers
7
MDSS Graphical User InterfaceMap ViewMDSS Graphical User InterfaceMap View
8
MDSS Graphical User Interface Route ViewMDSS Graphical User Interface Route View
Different maintenance plans produce different road conditions
9
Mobile Data CollectorTouch Screen ComputerMobile Data CollectorTouch Screen Computer
10
MDSS is New…but Not NewMDSS is New…but Not New
2002
2003
2004
2005
2006
Assess DOT Needs, Readiness
Evaluate Functional Prototype
Develop MDSS Software
6-State Limited Deployment
Refine MDSS Software
Validation Studies
8-State Field Trials
Broad Deployment
2007 Expanded Deployment
B/C Analysis2008
10-State Field Trials
12-State Field Trials
14-State Field Trials
2009
2010
Refinement, Management Tools
11
MDSS Routes 2008-2009MDSS Routes 2008-2009# of Routes
CA 66
CO 108108
IN 156156
IA 6565
KS 1818
KY 55
MN 185185
NENE 101101
NHNH 77
NYNY 1717
NDND 7777
SDSD 8080
VAVA 99
WYWY 6868
Contractor is Meridian Environmental Technology
12
MDSS Benefits: ProjectedMDSS Benefits: Projected
Achieve same level of service with less material & effort– 23% material savings in New Hampshire study
Achieve better level of service with same material & effort– 10-15% less “unacceptable” conditions in New
Hampshire study
8:1 Benefit/Cost Ratio New Hampshire Similar studies performed in MN, CO
13
MDSS Benefits: RealizedMDSS Benefits: Realized
Mitchell Region (SD) event example: $60/mile versus $300/mile
Indiana first-year statewide deployment in winter of 2008/2009– Substantial reduction in salt use ($12M)– Reductions in overtime ($1.3M) & fuel– Estimated savings of $11M overall after
normalizing for winter conditions– ~27% of normal winter maintenance budget
14
MDSS Benefits: IntangibleMDSS Benefits: Intangible
One-stop convenience for completewinter weather information
Better anticipation of storm events& road conditions
Direct information delivery to managers & operators
More seamless winter maintenance Reduced environmental impact Use of MDSS “storm playback” as a
training & analysis tool
15
Pooled Fund Study:Current Technical DirectionsPooled Fund Study:Current Technical Directions
Fostering initial deployments Integration w/DOT Information Systems
– equipment, scheduling, traveler information
Evaluation, validation, and refinement Improving physical models Improving remote assessments of
weather conditions Development of more management-
oriented tools and reports
16
Pooled Fund Study:Membership BenefitsPooled Fund Study:Membership Benefits
Opportunity to “test drive” MDSS Convenient funding mechanism Learning environment
– State ↔ State– State ↔ Developer
Peer exchange process to identify and address technology challenges through research and development activities
Nationally prominent forum for advancing MDSS and related technologies
17
Pooled Fund Study:Member ResponsibilitiesPooled Fund Study:Member Responsibilities
Contribute Financially Contribute Intellectually
– Project Panel Meetings (3/year)– Conference Calls– Technical Product Reviews– Assess Technology Gaps & Needs
Conduct Deployment Field Trials Intellectual Property Stewardship
New States Are Welcome
18
Questions?Questions?
For additional information, please contact:
David Huft
SDDOT Research Program Manager
605.773.3358
dave.huft@state.sd.us
top related