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Transcript of © Tarek Hegazy – 1 Basics of Asset Management Prof. Tarek Hegazy.
© Tarek Hegazy – www.civil.uwaterloo.ca/tarek 1
Basics of Asset ManagementBasics of Asset ManagementBasics of Asset ManagementBasics of Asset Management
Prof. Tarek Hegazy
Prof. Tarek Hegazy
© Tarek Hegazy – www.civil.uwaterloo.ca/tarek 2
Infrastructure Asset Mgmt: A ChallengeInfrastructure Asset Mgmt: A Challenge
Current DevelopmentsCurrent DevelopmentsComponentsComponentsSystems, Surveys & StudiesSystems, Surveys & StudiesPrototypePrototype
Recent AdvancesRecent Advances
Infrastructure Asset Mgmt: A ChallengeInfrastructure Asset Mgmt: A Challenge
Current DevelopmentsCurrent DevelopmentsComponentsComponentsSystems, Surveys & StudiesSystems, Surveys & StudiesPrototypePrototype
Recent AdvancesRecent Advances
AgendaAgenda
2
© Tarek Hegazy – www.civil.uwaterloo.ca/tarek 3
33333
Marine 1%
Non-
Residential
Buildings 40%
Other 5%
Oil and Gas 21%
Communication 4%
Electric 10%
Transportation
14%Water 2%
Sewage 3%
33333Infrastructure: A
ChallengeInfrastructure: A
Challenge
Infrastructure ManagementInfrastructure Management
Complex Multiple-Assets on Multiple-Sites with Limited
Repair Budget.
© Tarek Hegazy – www.civil.uwaterloo.ca/tarek 4
© Tarek Hegazy – www.civil.uwaterloo.ca/tarek 5
Which components to repair ?
Which components to repair ? When to repair ? When to repair ? What kind of repair ? ? What kind of repair ? ?
4
Limited Budget to Limited Budget to
Maintain Safety and Maintain Safety and
Operability Operability
Limited Budget to Limited Budget to
Maintain Safety and Maintain Safety and
Operability Operability
The ChallengeThe Challenge
© Tarek Hegazy – www.civil.uwaterloo.ca/tarek 6
Planning Horizon
time
Con
dit
ion
Now
Unacceptable level
Excellent
New
x
$
Deterioration Prediction
Optional Repair
Strategies
Condition Assessment
Now
When?When?
5
FacetsFacets
Future
Which?Which?
What?What?
© Tarek Hegazy – www.civil.uwaterloo.ca/tarek 7
DecisionsDecisionsDecisionsDecisionsRequires a lot of historical data.
Difficult to assess the interactions.
Requires a lot of historical data.
Difficult to assess the interactions.
Improper definition of
repair, cost, & after-repair
improvement.
Improper definition of
repair, cost, & after-repair
improvement.
Time consuming,
subjective, & costly.
Time consuming,
subjective, & costly.
Deterioration Deterioration PredictionPrediction
Optional Optional Repair Repair
StrategiesStrategies
$$$$$$ ImprovementImprovement
Condition Condition AssessmentAssessment
6
Visual Inspection
FacetsFacets
© Tarek Hegazy – www.civil.uwaterloo.ca/tarek 8
Condition Assessment
Deterioration Prediction
Repair & Improvement
Life Cycle Analysis &
Prioritization
9
FacetsFacets
Life Cycle Analysis (LCCA)
Life Cycle Analysis (LCCA)
Prioritized Assets
Prioritized Assets
Condition Assessment
Deterioration Model
ReplaceReplaceMajor Major
Minor $ 5,000Minor
$ 5,000
Cost Model Cost
Model
Improvement model
Improvement model
Which,
When,
What, &
How much?
Which,
When,
What, &
How much?
© Tarek Hegazy – www.civil.uwaterloo.ca/tarek 9
Condition AssessmentCondition Assessment
110
© Tarek Hegazy – www.civil.uwaterloo.ca/tarek 10
© Tarek Hegazy – www.civil.uwaterloo.ca/tarek 11
(Accurate but lacks guidance)(Accurate but lacks guidance)
Direct Rating
Critical
Fair
Good
Deficiency Weight
Frame Problems w1
Hardware Problems wi
1 2 3 4 5 S1
Si
Severity
(Fast but Less Accurate)(Fast but Less Accurate)
..
......
1 2 3 4 5
..
......
Distress Analysis
Condition AssessmentCondition Assessment
1001
d
iijij
j
SWDI
Asset Hierarchy Scale (0 Good & 10 Poor) Inspection / Data Collection Calculate Condition)
Asset Hierarchy Scale (0 Good & 10 Poor) Inspection / Data Collection Calculate Condition)
© Tarek Hegazy – www.civil.uwaterloo.ca/tarek 12
2
Deterioration ModelDeterioration Model
15
© Tarek Hegazy – www.civil.uwaterloo.ca/tarek 13
Condition Assessment
Deterioration Prediction
Repair & Improvement
Life Cycle Analysis &
Prioritization
9
Based on Service Life Deterministic (Regression) Stochastic (Markov) Artificial Intelligence (ANN)
Based on Service Life Deterministic (Regression) Stochastic (Markov) Artificial Intelligence (ANN)
Predictive Models:Predictive Models:
Deterioration ModelDeterioration Model
© Tarek Hegazy – www.civil.uwaterloo.ca/tarek 14
Repair ModelRepair Model
3
© Tarek Hegazy – www.civil.uwaterloo.ca/tarek 15
Repair ModelRepair Model
Repair Cost = % of Replacement Cost.Repair Cost = % of Replacement Cost.
Light repair = 28.5% Medium repair = 65% Extensive repair = 100%
Seo, J. 1994
Light repair = 28.5% Medium repair = 65% Extensive repair = 100%
Seo, J. 1994
Condition Assessment
Deterioration Prediction
Repair & Improvement
Life Cycle Analysis &
Prioritization
After-Repair Condition:
After-Repair Condition:5, 65, 6 7, 87, 8
3, 43, 4 MediumMedium ExtensiveExtensive
5, 65, 6 LightLight MediumMedium
7, 87, 8 -- LightLight
© Tarek Hegazy – www.civil.uwaterloo.ca/tarek 16
4Life Cycle AnalysisLife Cycle Analysis
21
© Tarek Hegazy – www.civil.uwaterloo.ca/tarek 1724
Life Cycle AnalysisLife Cycle Analysis
Project level Project level
Variables & constraintsVariables & constraints
Network level Network level
Variables & constraintsVariables & constraints
IntegrationIntegration
Planning horizonPlanning horizon
Value of Money?Value of Money?
Project level Project level
Variables & constraintsVariables & constraints
Network level Network level
Variables & constraintsVariables & constraints
IntegrationIntegration
Planning horizonPlanning horizon
Value of Money?Value of Money?
© Tarek Hegazy – www.civil.uwaterloo.ca/tarek 1825
Life Cycle AnalysisLife Cycle Analysis
Example of a bridge case Example of a bridge case
study study Example of a bridge case Example of a bridge case
study study
© Tarek Hegazy – www.civil.uwaterloo.ca/tarek 194
Many Computerized Tools Many Computerized Tools
Many Computerized Tools Many Computerized Tools
Municipal infrastructure asset management systems: state-of-the-art review
Halfawy, M.; Newton, L. ; Vanier, D.
NRCC-48339 2005
Systems, Surveys & Studies
Systems, Surveys & Studies
© Tarek Hegazy – www.civil.uwaterloo.ca/tarek 20
Many Computerized Tools Many Computerized Tools
Many Computerized Tools Many Computerized Tools
Systems, Surveys & Studies
Systems, Surveys & Studies
MIMSMIMSMIMSMIMS
© Tarek Hegazy – www.civil.uwaterloo.ca/tarek 21
2121212121
RECAPP RECAPP 20022002
RECAPP RECAPP 20022002
Select Component
USER INPUT of
Distress
Deficiency list for the selected
component
Systems, Surveys & Studies
Systems, Surveys & Studies
© Tarek Hegazy – www.civil.uwaterloo.ca/tarek 224
Systems, Surveys & Studies
Systems, Surveys & Studies
City City
WorksWorksCity City
WorksWorks
© Tarek Hegazy – www.civil.uwaterloo.ca/tarek 234
Systems, Surveys & Studies
Systems, Surveys & Studies
SynergenSynergenSynergenSynergen
Interesting Developments
Interesting Developments
Automated Condition Assessment
Optimizing the Delivery of
Large M&R Programs
Automated Condition Assessment
Optimizing the Delivery of
Large M&R Programs 10
© Tarek Hegazy – www.civil.uwaterloo.ca/tarek 25
Infrastructure Management
Systems
Infrastructure Management
Systems
Execution order?Outsourcing?
In-house resources?Meet Strict deadline?Normal / Overtime?
Execution order?Outsourcing?
In-house resources?Meet Strict deadline?Normal / Overtime?
Execution Planning
Execution Planning
List of Priority Assets & Repair Types
List of Priority Assets & Repair Types
M&R PlanningM&R Planning
© Tarek Hegazy – www.civil.uwaterloo.ca/tarek 27
Site OrderSite OrderMoving TimeMoving Time
Site ProductivitySite Productivity
M&R
Time/Cost
M&R
Time/Cost
Execution ChallengeExecution Challenge
© Tarek Hegazy – www.civil.uwaterloo.ca/tarek 29
EndEnd
00 11 22 33 Time Time44 55 66
Crew 1Crew 1
Crew 2Crew 2
Site 5
Site 5Site 5
Site 1
Site 1Site 1
Site 2
Site 2Site 2
Site 3
Site 3Site 3
Site 4
Site 4Site 4
Crew 1Crew 1
Crew 2Crew 2
Crew 1Crew 1
Crew 2Crew 2
Repair
Acti
vity
Repair Activity for
Five Schools
Repair Activity for
Five SchoolsCrew 1Crew 1
Link Between the Scheduling Model & Different Layers of GIS
data
Link Between the Scheduling Model & Different Layers of GIS
data
GIS SupportGIS Support
© Tarek Hegazy – www.civil.uwaterloo.ca/tarek 30
Delivery Approaches for MR&R Programs
Delivery Approaches for MR&R Programs
In-House Resources
In-House Resources
Outsourcing + Out-Tasking
Outsourcing + Out-Tasking
Combination of All
Combination of All
MR&R Delivery OptionsMR&R Delivery Options
© Tarek Hegazy – www.civil.uwaterloo.ca/tarek 31
ExampleExampleInitial Initial ScheduleSchedule
Two Two Outsourced Outsourced sites sites
Deadline Deadline
not metnot met
Initial Initial ScheduleSchedule
Two Two Outsourced Outsourced sites sites
Deadline Deadline
not metnot met
© Tarek Hegazy – www.civil.uwaterloo.ca/tarek 32
ExampleExample
Deadline met at Deadline met at Min. cost.Min. cost.
Schedule => Schedule => GISGIS
Deadline met at Deadline met at Min. cost.Min. cost.
Schedule => Schedule => GISGIS
© Tarek Hegazy – www.civil.uwaterloo.ca/tarek 33
BenefitsBenefits
Cost-Effective deliveryCost-Effective delivery
In-house vs outsourcing vs out-taskingIn-house vs outsourcing vs out-tasking
Ties to Asset Management SystemsTies to Asset Management Systems
Realistic execution to meet constraints Realistic execution to meet constraints
Do more for less & reduce backlogDo more for less & reduce backlog
Speedy corrective actionsSpeedy corrective actions
Cost-Effective deliveryCost-Effective delivery
In-house vs outsourcing vs out-taskingIn-house vs outsourcing vs out-tasking
Ties to Asset Management SystemsTies to Asset Management Systems
Realistic execution to meet constraints Realistic execution to meet constraints
Do more for less & reduce backlogDo more for less & reduce backlog
Speedy corrective actionsSpeedy corrective actions