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Preservat ion Needs and Cost Ident if icat ion
Jose L. Aldayuz, P.E Kansas City, MO 2015
Presentation Outline
Bridge Preservation Components Preventive Maintenance Needs Assessment Work Plans Creating Projects Creating Programs
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Bridge Preservation Components
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Source: NHI Bridge Preservation Training
Preventive Maintenance
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Source: NHI Bridge Preservation Training
Needs Assessment and Data Management Process
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Data Analysis Needs Results
Inventory
Condition
Preservation Activities
Cost
Analysis Results
Source: NHI Bridge Preservation Training
Data Component
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• Inventory information
– Average Daily and Truck Traffic, geometry, location, and type
• Condition data
– NBEs, BMEs, ADEs, and NBI Condition Ratings
• Preservation and rehabilitation activities
• Cost data
– Preservation costs, rehabilitation costs, and annual budget
Preservation Cost Data
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Bridge Preservation Activity Description
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Analysis Components
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• Threshold triggers for condition-based actions
– Total needs for condition-based preventive maintenance activities
• Threshold triggers for cyclical preventive maintenance
– Total needs for cyclical preventive maintenance activities
• Life cycle cost analysis for rehabilitation versus replacement
– Total needs for rehabilitation projects
Needs Results Components
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Needs Results Component
• Total needs = Cyclical + Condition-based + Rehabilitation
• Total needs of bridge preservation program are based on:
– Inventory
– Condition
– Cost
$500,000 + $900,000 + $1,000,000 $2,400,000 =
Bridge Preservation Strategy
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• Goals, objectives, and performance measures established
• Needs identified and prioritized
• Best strategy defined and priced
• Budget approved
• Budget matched with needs
• Work planned
• Preventive maintenance given high priority
Work Plan Development
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Evaluate Needs
Perform Analysis (Iterations)
Identify Work Candidates
Create Projects
Create Programs
Source: NHI Bridge Preservation Training
Project Selection Process
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Approve?
yes
Initial S election from PM Condition-Based Activities
And Rehabilitation
Add by Location Group by Cost-Effectiveness
Evaluate Project Program
PM Cyclical Activities
Add by S imilar Activity or Timing
Source: NHI Bridge Preservation Training
Program Scheduling Process
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Approve?
yes
no
Initial S election from Projects
Adjust Projects Priorities or Rank
Add or Remove Projects
Evaluate Program Schedule
S et Budgets Allocate Funding
by Year
Source: NHI Bridge Preservation Training
Questions?
Jose Aldayuz, M.S, P.E. | Transportation Department Manager | Michael Baker International 3601 Eisenhower Avenue | Alexandria, VA 22304 | [O] 703-317-6522 | [M] 571-326-9250 [email protected] | www.mbakerintl.com
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