Developing a Bridge Maintenance Work Plan - New York State ...€¦ · Syracuse, New York Thursday, October 26, 2006 Developing a Bridge Maintenance Work Plan “Zen”and the Art

Statewide Conference on Local BridgesSyracuse, New York

Thursday, October 26, 2006

Developing a Bridge Developing a Bridge Maintenance Work PlanMaintenance Work Plan

““ZenZen”” and the Art of Bridge Maintenanceand the Art of Bridge Maintenance

Ricky D. Hunkins, P.E.NYSDOT, Region 7 Bridge Maintenance

10/23/0610/23/06 Bridge Maint PlanBridge Maint Plan-- Ricky D. Hunkins, P.E.Ricky D. Hunkins, P.E. 22

OutlineOutline……

1.1. Bridge Maintenance ConceptBridge Maintenance Concept2.2. Expectations and RequirementsExpectations and Requirements3.3. Data and Available InfoData and Available Info4.4. Needs IdentificationNeeds Identification5.5. Work SelectionWork Selection6.6. Follow UpFollow Up


OutlineOutline……..



Bridge Maintenance ConceptBridge Maintenance Concept

Who is Responsible?Who is Responsible?Designer Designer –– Inspector Inspector -- Maintenance Engineer? Maintenance Engineer?

What are They Responsible For?What are They Responsible For?Stability Stability –– Safety Safety –– Performance Performance –– Economy?Economy?

Where Does BM Occur?Where Does BM Occur?Which Bridge Which Bridge –– Task?Task?

When Does BM Occur?When Does BM Occur?Point in Bridge Life Point in Bridge Life –– Cyclical Cyclical –– Responsive? Responsive?


The The ENDEND of the of the BeginningBeginning(Deterioration vs. Time)(Deterioration vs. Time)





Hong Kong:14” of Rain and Not a Puddle


ExpectationsExpectations (All of (All of ‘‘em)em)

Bridge LawBridge Law (Federal and State)(Federal and State)

•• Oriented toward Bridge SafetyOriented toward Bridge SafetyAsset ManagementAsset Management (Federal (Federal State $$$)State $$$)

•• Oriented toward Economical PerformanceOriented toward Economical PerformanceCorridor/System Class PerformanceCorridor/System Class Performance•• May Prescribe Minimum StandardsMay Prescribe Minimum StandardsAgency and Local GoalsAgency and Local Goals……Public (Media) ExpectationsPublic (Media) Expectations……


Bridge Law Bridge Law ““101101””(Where the Buck Stops Starts)(Where the Buck Stops Starts)

Federal LawFederal Law•• GenesisGenesis-- 1968 Federal Highway Act1968 Federal Highway Act•• Currently NBIS (Nat. Bridge Insp. Standards) Currently NBIS (Nat. Bridge Insp. Standards) StateState (Uniform Code(Uniform Code-- 17 NYCRR, Part 165)17 NYCRR, Part 165)

•• Bridge Inspection (Condition)Bridge Inspection (Condition)•• Structural Integrity, Safety Rating (Potential)Structural Integrity, Safety Rating (Potential)•• Load Capacity (Level 1, Level 2, Level 3)Load Capacity (Level 1, Level 2, Level 3)•• Filing of Bridge Design (P.E. Required)Filing of Bridge Design (P.E. Required)


Asset ManagementAsset Management(The New Buzz Word(The New Buzz Word……))Concept per FHWA WebsiteConcept per FHWA Website•• Economic and Engineering Based Economic and Engineering Based

““Business ProcessBusiness Process””•• Needs are Increasing Needs are Increasing ---- Available Resources Available Resources

are Shrinking.are Shrinking.•• Considers Considers ““Time HorizonTime Horizon”” or Life Cycle Costor Life Cycle Cost•• Increasing Public Expectations for Increasing Public Expectations for

Performance & Performance & ‘‘ReliabilityReliability’’•• Summary: Make it Last Summary: Make it Last ---- EconomicallyEconomically





Use Use AllAll Available DataAvailable Data

Inspection Reports Inspection Reports (NYSDOT)(NYSDOT)

Load Rating Load Rating (NYSDOT= Level 2 Only)(NYSDOT= Level 2 Only)

BSA BSA ((NYSDOT= Hydraulic OnlyNYSDOT= Hydraulic Only))

SystemicSystemic-- Postings, Clearances, etcPostings, Clearances, etcCapitol Program Capitol Program (NYSDOT & Local Funds)(NYSDOT & Local Funds)

Preventative Maintenance CyclesPreventative Maintenance CyclesSpecial AttentionSpecial Attention


NYSDOT Bridge InspectionNYSDOT Bridge Inspection

Inspection ReportInspection ReportDiving InspectionDiving Inspection (Water >6(Water >6’’))InventoryInventory (Static Description Info)(Static Description Info)Load RatingLoad Rating (Level 2 = Automated)(Level 2 = Automated)Bridge Inspection Bridge Inspection ““FlagsFlags””•• Structural (Red, Yellow)Structural (Red, Yellow)•• SafetySafety•• Prompt Interim Action (PIA)Prompt Interim Action (PIA)-- 24 hour Fix24 hour Fix


KEY Inspection ConceptsKEY Inspection Concepts

Existing Condition Existing Condition -- Original DesignOriginal DesignRating for Individual ElementsRating for Individual ElementsPhotos and NotesPhotos and Notes(Only Location (Only Location ““Rate Worst OfRate Worst Of”” Described)Described)

Condition RatingCondition Rating•• Weighted Average of Major ComponentsWeighted Average of Major Components•• Heavy = Substructure, SuperstructureHeavy = Substructure, Superstructure•• Light = Bridge Seats, Bearings, JointsLight = Bridge Seats, Bearings, Joints


Bridge Safety EvaluationBridge Safety Evaluation

Overall Safety Against FailureOverall Safety Against FailureVulnerability = Vulnerability = PotentialPotential (not Actual)(not Actual)

NYSDOT: NYSDOT: Bridge Safety AssuranceBridge Safety Assurance (BSA)(BSA)1.1. HydraulicHydraulic (Specific In Law) (Specific In Law) DOT Does AllDOT Does All2.2. Steel Details Steel Details (Fatigue in Code >1980(Fatigue in Code >1980’’s)s)3.3. Concrete DetailsConcrete Details4.4. OverloadOverload5.5. CollisionCollision6.6. Seismic (Earthquake)Seismic (Earthquake)


ACTUAL (Insp.) vs. POTENTIAL (BSA)Guiyang, Guizhou Province





““NeedsNeeds”” IdentificationIdentification

NetworkNetwork--Level ApproachLevel Approach•• Automated, Data Generated, Logic BasedAutomated, Data Generated, Logic Based•• ““BirdsBirds--EyeEye”” ViewView•• Networks, Regions, Corridors, etc.Networks, Regions, Corridors, etc.

BridgeBridge--Level ApproachLevel Approach•• All Data for a Single BridgeAll Data for a Single Bridge•• ““MicroscopicMicroscopic”” ViewView





Work Work ““SelectionSelection”” (The Plan)(The Plan)

Objective & ScopeObjective & Scope•• Preventive, Corrective, ImprovementPreventive, Corrective, ImprovementEvaluation & PrioritizationEvaluation & Prioritization•• Not Not allall Low Ratings = Real Low Ratings = Real ““NeedNeed””•• ONLY Initial TriggerONLY Initial Trigger-- Must Evaluate & FilterMust Evaluate & FilterMeans of AccomplishmentMeans of AccomplishmentPreliminary Estimate (Hours, $$$)Preliminary Estimate (Hours, $$$)TrackingTracking



Preventive MaintenancePreventive Maintenance

PM Extends Useable Life at Low CostPM Extends Useable Life at Low CostNot Intended to Raise CRNot Intended to Raise CR•• Often PM Items not Heavily Weighted in CR Often PM Items not Heavily Weighted in CR

Some Tasks areSome Tasks are CyclicalCyclical•• i.e. Washing, Sealing Concrete, Painti.e. Washing, Sealing Concrete, Paint

Other Tasks are Other Tasks are As NeededAs Needed•• i.e. Joint Replacement or Repairsi.e. Joint Replacement or Repairs


Corrective MaintenanceCorrective Maintenance

Usually Intended to Raise RatingsUsually Intended to Raise RatingsIndividual Individual ““BadBad”” Element(s)Element(s)Focused TreatmentFocused Treatmenti.e. i.e. ““Vertical Vertical –– DownDown””, , ““55--7 Program7 Program””, etc., etc.Many Many ““BadBad”” Elements = DeficientElements = DeficientBased on Condition Rating (Weighted Avg.)Based on Condition Rating (Weighted Avg.)If Extensive = If Extensive = ““RehabilitationRehabilitation””Sometimes to Correct DesignSometimes to Correct Designi.e. Fatigue Prone Details, Strengthening, etc. i.e. Fatigue Prone Details, Strengthening, etc.


AlsoAlso……

PrioritizationPrioritizationI Use a simple I Use a simple ““LowLow””, , ““MediumMedium””, , ““HighHigh””Preliminary (very) EstimatePreliminary (very) EstimateMeans of AccomplishmentMeans of Accomplishment•• State Crews (Summer Only)State Crews (Summer Only)•• Capitol ConstructionCapitol Construction•• Maintenance By ContractMaintenance By Contract•• Unscheduled Work (State & Contract)Unscheduled Work (State & Contract)


Develop Actual PlanDevelop Actual Plan

List Work, Means, & PriorityList Work, Means, & PriorityI use a simple spreadsheetI use a simple spreadsheetOther Tools are EvolvingOther Tools are Evolving

Juggle to fit Available ResourcesJuggle to fit Available ResourcesSimple spreadsheet manipulation, sortingSimple spreadsheet manipulation, sorting

Assign Work Orders to CrewsAssign Work Orders to CrewsPopulate DOTPopulate DOT’’s Work Reporting Toolss Work Reporting Tools

Recommendations to Capitol ProgramRecommendations to Capitol ProgramRecycle Process and ReRecycle Process and Re--Juggle if NecessaryJuggle if Necessary


RISK MANAGEMENTGuiyang, Guizhou Province





Manage Unmet NeedsManage Unmet Needs(Subsequent Years)(Subsequent Years)

Sovereign ImmunitySovereign Immunity-- Abolished in NYSAbolished in NYSCAN sue the King. (Court of Claims Act CAN sue the King. (Court of Claims Act §§8)8)Qualified ImmunityQualified Immunity--Responsible for risks to the extent of Responsible for risks to the extent of resources under our control within the resources under our control within the context of a context of a ““QualifiedQualified”” decision.decision.Manage BacklogManage Backlog-- We Have Liability!We Have Liability!


Management ToolsManagement Tools

Demonstrates the Demonstrates the ““QualifiedQualified”” DecisionDecisionReduces Chance for Lost IssuesReduces Chance for Lost IssuesAppropriate Prioritization of Appropriate Prioritization of ““OldOld””Undone Work with Undone Work with ““NewNew”” WorkWorkSize SpecificSize Specific (Increasing Complexity)(Increasing Complexity)•• Paper ListsPaper Lists•• ““NormalNormal”” Office ProgramsOffice Programs

Spreadsheets, Text Lists, DatabasesSpreadsheets, Text Lists, Databases•• ““CustomCustom”” Management ProgramsManagement Programs


Questions?Questions?

Documents

Developing a Bridge Maintenance Work Plan - New York State ...€¦ · Syracuse, New York Thursday, October 26, 2006 Developing a Bridge Maintenance Work Plan “Zen”and the Art