奥克兰海湾大桥东跨地震复原工程

IBTTAApril19,2009BayAreaTollAuthoritySanFrancisco-OaklandBayBridgeEastSpanSeismicReplacementProjectLomaPrietaEarthquake(1989)NewEastSpanofSanFrancisco-OaklandBayBridgeSelfAnchoredSuspensionSpan(SAS)Alonghistory….•ExtensivePublicInput•MultipleDesignAlternatives•MultipleAdministrations•September11•SingleBidOntherighttrack….•AccountableProjectDelivery–AB144establishedtheTollBridgeProgramOversightCommittee,composedofDirectoroftheCaliforniaDepartmentofTransportation(Caltrans),andtheExecutiveDirectorsoftheCaliforniaTransportationCommission(CTC)andtheBayAreaTollAuthority(BATA),tobeaccountablefordeliveringtheseismicproject.WILLKEMPTONDirectorCaliforniaDepartmentofTransportationSTEVEHEMINGERExecutiveDirectorBayAreaTollAuthorityBimlaRheinhartExecutiveDirectorCaliforniaTransportationCommission2.25milesZPMC-Shanghai,ChinaZPMC-Shanghai,ChinaZPMCFabricationFacilitiesShopDrawingPreparationSub-AssembliesFabricationSegmentAssemblyBlast,Paint&FitUpReadyToShipSteelRoadwayDecksSteelRoadwayBoxesUnderFabricationRoadwayDeckFabricationShopSteelRoadwayBoxesUnderFabricationSteelRoadwayDecksSteelRoadwayBoxesUnderFabricationSteelRoadwayBoxesReadyforFit-upTowerLegFabricationTowerLegFabricationTowerLeginRotatingJigFabricationInspection1,700TonShear-legCraneBargeUndergoingtestingShear-legCraneBargeArrivalinSanFranciscoBayTemporarySupportsTemporarySupportStructuresTemporarySupportTrussLookingEastTemporarySupportStructuresYerbaBuenaIslandDetourConstructionStage1-SkidBeamsandTemporarySupportStage2–ConstructNewRoll-inTrussStage3–CompleteRoll-inTrussStage4–CloseBridgeandCutLooseRoll-outTrussStage5–Roll-outExistingTrussStage6–Roll-inNewTrussStage7–OpenDetourtoTrafficYerbaBuenaIslandDetourConstructionOaklandTouchdownUnderConstructionCompletedSkywaySkyway(2007)CompletedSkyway