City of Inglewood Multi-Hazard Mitigation Plan March 23, 2010 Prepared by: LT. Crisis Services, Inc. (ITC) I us.cLDT:HJN' tfo, r.:11-m .1!,. :RZSO:t.tr:r.:IQN GE' TU cr'h' OF '1M'.E "'· !II Co~t:tL ~rT'f :, OF I'.N'GiL<mifOOU, C.:AJ/[F(!ITT:NfA A11Cll"T1NQ Td CIT'! ~ i ~ I a I llt0 Inqlewood hav1nq gat jland pr0•J>Jn10 thn 'C:i '·i uf ln.:.;~.~::%oud i!.:.l>i;ard Mil 2 ~!:1:·~du::~·~ ~:.:~· ·~·.1.i.. 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I ! l do h~~n;by i'urth{.;t et~rti~1 that pmrnant to the prnvblom cJ"ScK:tion 6, of l\riidc X, of~w Ctty CbarteT of mid City, the %Ud fi:m::rpmg J{csQJuimn No, 92,'.Z~ and n:guiarly pd::-!ished -iliO::t~rditig ro !.he Califr;mill Crn:m<le:r, tl rn:w·:;paper of gcnern! circuli.!hm:i, printed, puhhc>h<1:d and dn;:datctl witbiH du; &aid; City-, &nd Umt dit &:ru:iw WM ~o pubhsb:tl thereln {lei the follnwln.g dart:,. to wit. AuguKt 18 .. :mog. Page iii Table of Contents Executive Summary ...................................................................................................... 6 1.0 lntroduction ....................................................................................................... 14 1.1 Purpose of the Plan .......................................................................................... 14 1.2 Community Profile ............................................................................................ 15 1.2.1 Physical Setting ......................................................................................... 15 1.2.2 History ....................................................................................................... 16 1.2.3 Demographics ........................................................................................... 18 1.2.4 Existing Land Use ...................................................................................... 18 1.2.5 Development Trends ................................................................................. 20 2.0 The Planning Process ...................................................................................... 22 2.1 Step One: Organize to Prepare the Plan .......................................................... 22 2.1.1 Local Planning Team ................................................................................. 22 2.1.2 Consultant Team ....................................................................................... 23 2.1.3 Local Advisory Task Force ........................................................................ 23 2.1.4 Data and Document Review ...................................................................... 24 2.2 Step Two: Coordinate with Other Agencies and Organizations ........................ 24 2.3 Step Three: Involve the Public ......................................................................... 25 2.4 Step Four: Assess the Hazard ......................................................................... 27 2.5 Step Five: Set Goals ........................................................................................ 27 2.6 Step Six: Review Possible Mitigation Measures ............................................... 27 2.7 Step Seven: Draft a Multi-Hazard Mitigation Plan ............................................ 28 2.8 Step Eight: Adopt the Plan .............................................................................. 28 3.0 Risk Assessment .............................................................................................. 29 3.1 Introduction ...................................................................................................... 29 3.2 Hazard identification and screening ................................................................. 30 3.2.1 Hazard Screening Criteria ......................................................................... 30 3.2.2 Hazard Assessment Matrix ........................................................................ 31 3.2.3 Final Hazard Selection .............................................................................. 36 3.3 Hazard Profiles ................................................................................................. 36 3.3.1 Earthquake ................................................................................................ 36 3.3.2 Hazardous Materials Release .................................................................... 46 Page 1 3.3.3 Human Threat Events/ Terrorism .............................................................. 53 3.4 Inventory Assets ............................................................................................... 55 3.4.1 Collection of general inventory data .......................................................... 55 3.4.2 Prioritization and collection of additional inventory data ............................ 56 3.4.3 Population .................................................................................................. 58 3.4.4 Buildings .................................................................................................... 59 3.4.5 Critical Infrastructure and Critical Facilities ................................................ 63 3.5 Vulnerability Assessment ................................................................................. 71 3.5.1 Methodology .............................................................................................. 71 3.5.2 M6.9 Newport Inglewood Fault Earthquake Scenario ................................ 73 3.5.3 Hazmat Release ........................................................................................ 80 3.5.4 Human Threat Events/ Terrorism .............................................................. 85 4.0 Capability Assessment .................................................................................... 86 4.1 Agencies and People ....................................................................................... 86 4.1.1 City of Inglewood ....................................................................................... 86 4.1.2 Los Angeles County .................................................................................. 89 4.1.3 Non-Governmental Organizations ............................................................. 89 4.2 Plans ................................................................................................................ 90 4.2.1 The General Plan ...................................................................................... 91 4.2.2 The Public Safety Element ........................................................................ 91 4.2.3 City of Inglewood Consolidated Plan ......................................................... 91 4.2.4 Capital Improvement Program (CIP) ......................................................... 92 4.2.5 Urban Water Management Plan ................................................................ 92 4.2.6 Emergency Operations Plan ...................................................................... 92 4.2. 7 Mutual Aid Agreements ............................................................................. 92 4.2.8 Terrorism Response Plan .......................................................................... 93 4.2.9 Inglewood Unified School District: Comprehensive Safety Plan ................ 93 4.3 Codes & Regulations ....................................................................................... 93 4.3.1 Zoning Regulations .................................................................................... 93 4.3.2 Subdivision Regulations ............................................................................ 93 4.3.3 Building Code ............................................................................................ 94 4.3.4 Earthquake Hazard Reduction in Existing Buildings .................................. 94 4.3.5 Los Angeles County Fire Code .................................................................