PORT OF LOS ANGELES SEISMIC ENGINEERING PROGRAM

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PORT OF LOS ANGELESSEISMIC ENGINEERINGPROGRAMPresented byTony GioielloChief Harbor EngineerINNOVATIVE APPROACHES TO PORT CHALLENGESSeptember 14, 2006

The Port of Los Angeles Today One of the largest manmadeseaports in the world A diverse port» Containerized Cargo» Automobiles, coal, liquid bulk, “walkingcargo”» Recreation» FishingINNOVATIVE APPROACHES TO PORT CHALLENGESSeptember 14, 2006

The Port of Los Angeles 7,500 Acres» Land (4,200)» Water (3,300) 43 Miles of Waterfront 8 Major Container Terminals (Approximately 1,600Acres) 33,000 LF of Container Wharf 10,000 LF of Recently Constructed State-of-the-artWharvesINNOVATIVE APPROACHES TO PORT CHALLENGESSeptember 14, 2006

POLA Container TerminalsTraPacTerminalB136--147B136Yang 26APL B301B301304MaerskB401--406B401INNOVATIVE APPROACHES TO PORT CHALLENGESSeptember 14, 2006

Seismic RiskINNOVATIVE APPROACHES TO PORT CHALLENGESSeptember 14, 2006

INNOVATIVE APPROACHES TO PORT CHALLENGESSeptember 14, 2006

POLA Risk Strategies – History1933 - Long Beach Earthquake1962 – Start of Containerization1971 – San Fernando Earthquake1981 - POLA State-of-the-art Container BerthingStudy1983 - Development of Risk Management Policy –Hazardous Cargoes.1984 - 2020 PlanINNOVATIVE APPROACHES TO PORT CHALLENGESSeptember 14, 2006

POLA Risk Strategies – 2020 PlanPOLA 2020 Plan: Large increase incontainer traffic waspredicted over the next30 years Major port expansionis planned Needs deeper waterand larger wharves toaccommodate thegrowthINNOVATIVE APPROACHES TO PORT CHALLENGESSeptember 14, 2006

POLA Risk Strategies – 2020 Plan2020 Plan Resolution: A seismic designguideline withuniformed approachwas necessary The call for a seismicworkshop to establishsuch criteriaINNOVATIVE APPROACHES TO PORT CHALLENGESSeptember 14, 2006

1990 POLA Seismic WorkshopIn The Workshop: Look at the Port as a system andperform a seismic risk analysis. Define the seismic hazard. Develop engineering procedures forthe seismic design and retrofit ofport facilities.INNOVATIVE APPROACHES TO PORT CHALLENGESSeptember 14, 2006

Look at the Port as a system and perform a seismic risk analysisSeismic Risk emSeismic Improvement OptionsPerformance MetricsTarget PerformanceIdentify/Assess Seismic HazardsYesAssess Component VulnerabilitiesModifyPerformanceGoal?Assess System PerformanceYesYesNoIs PerformanceAcceptable?NoModify System?NoNoModifyComponents?YesFINISHAccept Performance Level37INNOVATIVE APPROACHES TO PORT CHALLENGESSeptember 14, 2006

1990 POLA Seismic WorkshopIn The Workshop: Look at the Port as a system andperform a seismic risk analysis. Define the seismic hazard. Develop engineering procedures forthe seismic design and retrofit ofport facilities.INNOVATIVE APPROACHES TO PORT CHALLENGESSeptember 14, 2006

Define the Seismic HazardSeismic Hazard EvaluationNewportInglewoodFaultPalos Verdes FaultSan AndreasFault approx.50 miles fromPOLAINNOVATIVE APPROACHES TO PORT CHALLENGESSeptember 14, 2006

1990 POLA Seismic WorkshopIn The Workshop: Look at the Port as a system andperform a seismic risk analysis. Define the seismic hazard. Develop engineering procedures forthe seismic design and retrofit ofport facilities.INNOVATIVE APPROACHES TO PORT CHALLENGESSeptember 14, 2006

Develop Engineering Procedures for the Seismic Design and Retrofit of Port FacilitiesCurrent Design Criteria Operating Level Earthquake (OLE) Hazard criteria 50% probability of exceedancein 50 years (72-year recurrence interval) Insignificant damage Contingency Level Earthquake (CLE) Hazard criteria 10% probability of exceedancein 50 years (475-year recurrence interval). No collapse of wharfINNOVATIVE APPROACHES TO PORT CHALLENGESSeptember 14, 2006

Develop Engineering Procedures for the Seismic Design and Retrofit of Port FacilitiesCategorization of Existing Facilities6-4040105Category 4 –Wharves prior to1980’s with little orno seismic strength301-3Category 3 – Post1980’s wharveswith partial seismicstrength9Category 2 Wharves with nearfull seismicstrength-20206Category 1 –Wharves with fullseismic strength2122131-1424226-23690- 13121100102INNOVATIVE APPROACHES TO PORT CHALLENGESSeptember 14, 2006

Develop Engineering Procedures for the Seismic Design and Retrofit of Port FacilitiesSeismic Code Objectives Use as guideline for design and construction ofcontainer wharves at POLA FEMA recognized code for post disasterrecovery reimbursementINNOVATIVE APPROACHES TO PORT CHALLENGESSeptember 14, 2006

Develop Engineering Procedures for the Seismic Design and Retrofit of Port FacilitiesSeismic Code Development Technical Advisory Board Port funded experimental program at UCSD POLA/COPRI co-sponsored seismic workshopto present first version of code Port-wide ground motion study Code revision currently in processINNOVATIVE APPROACHES TO PORT CHALLENGESSeptember 14, 2006

Develop Engineering Procedures for the Seismic Design and Retrofit of Port FacilitiesSeismic Code Publication Latest version of code and commentary Background information on theory behind thecode Design examples Experimental program findingsINNOVATIVE APPROACHES TO PORT CHALLENGESSeptember 14, 2006

Thank Youwww.portoflosangeles.orgINNOVATIVE APPROACHES TO PORT CHALLENGESSeptember 14, 2006

INNOVATIVE APPROACHES TO PORT CHALLENGES September 14, 2006 1990 POLA Seismic Workshop In The Workshop: Look at the Port as a system and perform a seismic risk analysis. Define the seismic hazard. Develop engineering procedures for the seismic design and retrofit of port facilities.

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