Pavement Type ?· •Chapter 10 – Pavement Design •Pavement Design Software minor revision. AASHO…

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<ul><li><p>AlternatePavementTypeBidding</p><p>April11,2011MaconAreaOffice</p></li><li><p>Overview</p><p>MakeYouAwareofCurrentProcessDesignPTS PavementTypeSelection</p><p>ShareFuturePlansMEPDG(DARWinME)</p><p>DescribeAlternatePavementTypeBiddingShareWaytoGetIndustryInput</p></li><li><p>DesignProcess</p><p>AASHTOInterimGuideforDesignofPavementStructures</p><p>DesignPolicyManualChapter10 PavementDesign</p><p>PavementDesignSoftwareminorrevision</p></li><li><p>AASHORoadTest</p></li><li><p>AsphaltDesign</p><p>TotalThicknessbasedonTraffic,Soils,LocationGDOTStandardPavementSection</p><p>SN=SNHMA +SNBase</p><p>Base</p><p>HMA</p></li><li><p>ConcreteDesign</p><p>PCCThicknessbasedonTraffic,Soils,LocationGDOTStandardPavementSection</p><p>ThicknessfromNomograph</p><p>Base</p><p>PCC</p></li><li><p>ConcreteDesign</p></li><li><p>PavementTypeSelection</p><p>PavementEvaluation</p><p>PavementTypeSelectionProcess LCCA:LifeCycleCostAnalysis DecisionMatrix</p></li><li><p>PavementEvaluationExistingRoadways</p><p> GatherHistoricalInformation ExistingTypeofPavement</p><p> ReviewConceptfortheProject GatherExistingConditionofPavement</p></li><li><p>LifeCycleCostAnalysis</p><p> PossibleTypicalSectionAlternates</p><p> Rehabilitation,Reconstruction,orNewConstruction</p><p> TypicalSectionsDevelopedUsingDesignProcess</p><p> TypicalSectionsComparedUsingLCCA</p></li><li><p>LifeCycleCostAnalysis</p><p> EconomicAnalysisoverTime InitialCost</p><p> MaintenanceTimingandCost</p><p> SalvageValue</p><p> UserCost</p><p> AnalysisPeriod</p><p> NPV NetPresentValue</p></li><li><p>LCCA 40yearanalysisperiod</p><p>Time</p><p>Maintenance</p><p>Salvage</p><p>InitialConstruction</p><p>Time</p><p>Maintenance</p><p>Salvage</p><p>Asphalt</p><p>Concrete</p></li><li><p>LCCA NPV1 NPV2</p><p>CompareNetPresentValue(NPV)ofalternates</p><p>ResultsusedinPavementTypeSelectionProcess</p></li><li><p>PavementTypeSelection</p><p> AdditionalFactors EaseofRepairing/Maintaining</p><p> Constructability</p><p> ConstructionTime</p><p> ExpectedLife</p><p> Other</p><p> DecisionMatrix WeightingFactors</p></li><li><p>DecisionFactor 1</p><p>Decision Factor 2</p><p>Decision Factor 3</p><p>DecisionFactor 4</p><p>TOTAL SCOREWeight Weight 1 Weight 2 Weight 3 Weight 4</p><p>Alt 1</p><p>Alt 2</p><p>Alt 3</p><p>Alt 4</p><p>DecisionMatrix</p></li><li><p>TOTAL SCOREWeight</p><p>Alt 1</p><p>Alt 2</p><p>Alt 3</p><p>Alt 4</p><p>60 50 80 50</p><p>50 75 70 70</p><p>40 75 60 80</p><p>30 100 50 90</p><p>30 12.5 8 7.5 58.00</p><p>25 18.75 7 10.5 61.25</p><p>20 18.75 6 12 56.75</p><p>15 25 5 13.5 58.50</p><p>Initial Cost</p><p>MaintCost</p><p>Annual Cost</p><p>Other Factors</p><p>50% 25% 10% 15%</p><p>DecisionMatrix</p></li><li><p>DecisionAnalysis</p><p> WeightingFactors Relative(weighted)importanceoffactorsconsideredinselectionprocess</p><p> Sumofallweightingfactorsmustequal100</p><p> TypicalSectionrecommendedbasedonfinalscore</p></li><li><p>Future </p><p>GroupMeetsmonthly</p><p>Nov 2011Today</p><p>Publish Process</p><p>Let AB Project</p><p>AlternatePavementBidding</p><p>PavementDesign</p><p>ImplementMEPDG</p></li><li><p>MEPDGClimate</p><p>TrafficMaterials</p><p>Structure</p><p>DistressResponseTime</p><p>Damage</p><p>Damage Accumulation</p></li><li><p>ResearchUnderway</p><p>MEPDG(DARWinME) RelatedResearch</p><p>CTEDetermination</p><p>TrafficLoadSpectra</p><p>CalibrationandValidationforGeorgiaPending</p></li><li><p>AlternatePavementTypeBidding</p><p> PavementTypeSelectionGuide NationalGuideinDevelopment</p><p> IncludesChapteronAlternatePavementTypeBidding</p><p>TypeSelection</p></li><li><p>AlternatePavementTypeBidding</p><p>AlabamaArizonaColoradoIdahoIndianaKansasTennesseeLouisiana</p><p>KentuckyMichiganMontanaOhioPennsylvaniaNorth CarolinaMissouri</p></li><li><p>GDOTAlternateBidding</p><p> WillconsiderprojectswhenDecisionMatrixscoresareclose</p><p> WillconsiderprojectsthatcanbeletwithoutanytypeofA+Bfactors</p><p> Biddingtobesimilartocurrentalternatebaseandalternateshouldertypebidding,i.e.onlyonealternatecanbebid</p></li><li><p>TypeofPotentialProjects</p><p> Reconstruction NewConstruction</p><p> Not PavementPreservation Wideningthatdoesnotrequirereconstruction</p></li><li><p>NextSteps1. ConveneSmallGroupforFollowup</p><p> Associationrepresentatives(12) InputtoDesignPolicyManualChapter</p><p>10.3 PavementTypeSelection ReviewofSpecifications</p><p>2. PublishasGDOTPolicies/Procedures</p><p>3. PlaceAlternativeBidinLetproject</p></li><li><p>TimelineIndustryMeeting</p><p>GroupMeetsmonthly</p><p>Nov 2011Today</p><p>Publish Chapter </p><p>10.3</p><p>Let Project</p><p>1st project:WestClevelandBypass PhaseI</p><p>Goal:Sept 2011</p></li><li><p>Commentsorquestionscanalsobesentto:</p><p>altpavbid@dot.ga.gov</p><p>mailto:altpavebid@dot.ga.gov</p><p>Alternate Pavement Type BiddingSlide Number 2Slide Number 3Slide Number 4Slide Number 5Slide Number 6Slide Number 7Slide Number 8Slide Number 9Slide Number 10Slide Number 11Slide Number 12LCCASlide Number 14Decision MatrixDecision MatrixDecision AnalysisSlide Number 18Slide Number 19Slide Number 20Alternate Pavement-Type BiddingSlide Number 22GDOT Alternate BiddingType of Potential ProjectsSlide Number 25Slide Number 26Comments or questions can also be sent to:altpavbid@dot.ga.gov</p></li></ul>