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Item No. 5 City of South Gatt. CITY COUNCiL ATN]D IllILL For the Regular Meeting of June 26, 2018 On mating epartment: Community Deve1opmV Department Head: City Manager: icha Flat”
SUBJECT: RESOLUTION ADOPTING THE UPDATED LOCAL HAZARD MITIGATION PLAN
PURPOSE: Consider the Planning Commission’s recommendation to adopt the updated Local Hazard Mitigation Plan.
RECOMMENDED ACTION: Following the conclusion of the public hearing, adopt Resolution adopting the updated Local Hazard Mitigation Plan, describing the City’s efforts to prepare for and respond to emergencies.
FISCAL IMPACT: There is no direct fiscal impact to the City. Failure to adopt the Resolution could affect the City’s eligibility for Federal Emergency Management Agency (FEMA) disaster mitigation funding.
ALIGNMENT WITH COUNCIL GOALS: The adoption of the updated Local Hazard Mitigation Plan supports the goal of protecting strong and sustainable neighborhoods. Some naturally occurring hazards may be unavoidable, but the potential impact on the City of South Gate can be reduced through advance planning and preparation. The updated Local Hazard Mitigation Plan addresses geologic, seismic, flood, and fire hazards, as well as hazards created by human activity such as hazardous materials and incidents that call for emergency protection.
ENVIRONMENTAL EVALUATION: The foregoing is exempt from the California Environmental Quality Act (“CEQA”) under Section 15061(b)(3) of the CEQA Guidelines, which provides that CEQA only applies to projects that have the potential for causing a significant effect on the environment. Where, as here, it can be seen with certainty that there is no possibility that the activity in question may have a significant effect on the environment, the activity is not subject to CEQA.
NOTICING REQUIREMENTS: Advertising and notification of the public hearing for this item was conducted in compliance with Chapter 11.50 (Administration), Title 11 (Zoning) of the South Gate Municipal Code. Notice of the hearing was originally posted and published in the LosAngeles Wavenewspaperon June 14,2018.
ANALYSIS: The purpose of a Hazard Mitigation Plan is to reduce or eliminate long-term risk to people and property from natural hazards and their effects on the City. An updated and adopted plan is required not only to reduce risk to the community, but to maintain eligibility for disaster mitigation funding from FEMA under the Disaster Mitigation Act of 2000. This plan was last adopted by City Council on May 13, 2008 and approved by the Federal Emergency Management Agency (FEMA) on July 23, 2008. Per FEMA, the plan must be updated every 5 years, so the current pian expired on July 23, 2013.
Federal and State Requirements The Federal Disaster Management Act of 2000 (DMA 2000), Section 322 (a-d), requires that any local government wishing to receive federal disaster mitigation funds have a mitigation plan that accomplishes the following:
• Describes the process for identifying hazards, risks, and vulnerabilities in the community • Identifies and prioritizes hazard mitigation activities • Encourages the development of local mitigation actions • Provides technical support for hazard mitigation efforts
This Plan meets the requirements identified in DMA 2000 and is consistent with current FEMA hazard mitigation requirements and guidance.
California Government Code Section 65302.6 (as added by Assembly Bill [AB] 2140) identifies specific components to include in a local mitigation plan:
• An evaluation of the earthquake performance of public facilities that provide critical government functions, shelters, and other essential services • An inventory of private facilities that may be hazardous • Strategies to reduce the risk from private and government facilities
In addition, California Government Code Section 8685.9 (also as added by AB 2140) provides for additional disaster funding if a jurisdiction has an adopted mitigation plan as part of its General Plan.
This Plan is consistent with Sections 65302.6 and 8685.9, as it is integrated with the Safety Element of the General Plan.
FEMA Review The Robert T. Stafford Disaster Relief and Emergency Assistance Act (Stafford Act), as amended by the Disaster Mitigation Act of 2000, provides the legal basis for state, tribal, and local governments to undertake risk-based approaches to reducing natural hazard risks through mitigation planning. Specifically, the Stafford Act requires state, tribal, and local governments to develop and adopt FEMA-approved hazard mitigation plans as a condition for receiving certain types of non-emergency disaster assistance. FEMA has reviewed the proposed Local Hazard Mitigation Plan and has determined that the plan is eligible for final approval pending its formal adoption by the City.
Safety Element On March 13, 2018, the City Council adopted an updated Safety Element which addresses geologic, seismic, flood, and fire hazards, as well as hazards created by human activity such as hazardous materials and incidents that call for emergency protection. The proposed Local Hazard Mitigation Plan includes mitigation measures as identified by the updated Safety Element. An
2 approved Local Hazard Mitigation Plan satisfies Safety Element Goal 2. Policy 2.1.7 to Maintain FEMA certification of the Local Hazard MitigationP1an.
Public Engagement and Participation As part of a comprehensive outreach process, five steering committee meetings were conducted with Finance, Police, Public Works, Community Development, and Parks and Recreation Department staff, as well as Long Angeles County Fire Department participants between July 2015 and April 2016. An interactive website was also developed, where residents could contribute to the data gathering process and provide comments. A link to the survey was placed on the City’swebsite as well as distributed via City e-mail lists. The survey asked about potential hazards facing South Gate, and what steps community members have taken or are interested in taking to reduce the threat from these hazards. From 143 respondents that participated, the survey produced the following key outcomes: • Earthquakes, diseases or pests, and drought were the three potential hazards that caused the most concern for community members. • Only 20 percent of respondents are part of South Gate’s Community Emergency Response Team, but over half of remaining respondents were interested in learning more about joining. • Although nearly half of the City is in FEMA’s 500-year flood zone, only 27 percent of respondents have flood insurance.
The members of the Local Hazard Mitigation Plan (LHMP) Planning Team reviewed the survey results and drafted the LHMP in response to the key issues raised in the survey, including addressing the hazards of greatest concern and responding to South Gate’s perceived vulnerabilities to hazard events.
Public outreach was conducted in compliance with FEMA requirements by hosting a booth at the October 24, 2015, Family Day event at South Gate Park. This event provided an opportunity for over 60 participants to participate in a survey that contributed to data collection efforts and understanding of local concerns surrounding hazards. The Local Hazard Mitigation Plan was reviewed by CaIOES and FEMA and both have determined that the plan is eligible for final approval pending its adoption by the City.
BACKGROUND: A natural hazard is a natural occurring event, such as an earthquake or flood that could harm human life and property. Natural hazards pose severe risks to people and property. Such events may cause injuries or deaths, and damage or destroy buildings and infrastructure. People may be displaced from their homes, key services can be disrupted, and the local economy may be affected. While a community cannot filly protect against every potential impact of every hazard, such impacts can be reduced or mitigated. This Local Hazard Mitigation Plan identifies opportunities to mitigate these impacts and improve resiliency to natural hazards in the City of South Gate.
ATTACHMENTS: A. Proposed Resolution B. FEMAPre-ApprovalLetter C. Updated Local Hazard Mitigation Plan D. PublicHearingNotice
3 RESOLUTION NO. —
CITY OF SOUTH GATE LOS ANGELES COUNTY, CALIFORNIA
RESOLUTION OF THE CITY COUNCIL OF THE CITY OF SOUTH GATE, CALIFORNIA, ADOPTING THE UPDATED LOCAL HAZARD MITIGATION PLAN
WHEREAS, the purpose of a Hazard Mitigation Plan (“Plan”) is to reduce or eliminate long-term risk to people and property from natural hazards and their effects on the City of South Gate (“City”); and
WHEREAS, an updated and adopted plan is required not only to reduce risk to the community, but to maintain eligibility for disaster mitigation funding from Federal Emergency Management Agency (“FEMA”) under the Disaster Mitigation Act of 2000; and
WHEREAS, the Plan was last adopted by City Council on May 13, 2008 and approved by the FEMA on July 23, 2008, and per FEMA, the Plan must be updated every 5 years; and
WHEREAS, public outreach was conducted in compliance with FEMA requirements by hosting a booth at the Family Day event at South Gate Park on October 24, 2015; and
WHEREAS, the City created a Steering Committee to oversee Plan’s review and update; and
WHEREAS, the City has met all federal requirements of the Robert T. Stafford Disaster Relief and Emergency Assistance Act (“Stafford Act”) and applicable amendments, and has further met all requirements of the Disaster Mitigation Act of 2000, including development of the Plan, through public participation and Steering Committee establishment, and development of a maintenance program for annual plan review and federal plan review every five (5) years; and
WHEREAS, the Stafford Act, as amended by the Disaster Mitigation Act of 2000, provides the legal basis for state, tribal, and local governments to undertake risk-based approaches to reducing natural hazard risks through mitigation planning; and
WHEREAS, Specifically, the Stafford Act requires state, tribal, and local governments to develop and adopt FEMA-approved hazard mitigation plans as a condition for receiving certain types of non-emergency disaster assistance; and
WHEREAS, FEMA has reviewed the proposed Plan and has determined that the Plan is eligible for final approval pending its formal adoption by the City; and
WHEREAS, the Planning Commission at its meeting of June 19, 2018, adopted Resolution No. 2018-14 recommending that the City Council adopt the updated Plan as set forth in this Resolution;
Attachment A NOW, THEREFORE, THE CITY COUNCIL OF THE CITY OF SOUTH GATE, CALIFORNIA, DOES HEREBY RESOLVE AS FOLLOWS:
SECTION 1. The foregoing recitals are true and correct and are incorporated herein by reference.
SECTION 2. After reviewing the entire project record, the City Council hereby determines the adoption of the City of South Gate Local Hazard Mitigation Plan is exempt from the California Environmental Quality Act (“CEQA”) under Section 15061(b)(3) of the CEQA Guidelines, which provides that CEQA only applies to projects that have the potential for causing a significant effect on the environment, and, therefore, where, as here, it can be seen with certainty that there is no possibility that the activity in question may have a significant effect on the environment, the activity is not subject to CEQA.
SECTION 3. The City Council hereby approves and adopts the City of South Gate Local Hazard Mitigation Plan Update and directs Staff to forward copies of the Plan Update to FEMA for final approval.
SECTION 4. If any one or more of the provisions contained in this Resolution shall for any reason be held to be invalid, illegal or unenforceable in any respect, then such invalidity, illegality or unenforceability shall not affect any other provision hereof, and this Resolution shall be construed as if such invalid, illegal, or unenforceable term or provision had never been contained herein.
SECTION 5. The City Clerk shall certify to the adoption of this Resolution which shall be effective upon its adoption.
PASSED, APPROVED and ADOPTED this 26th1 day June 2018.
CITY OF SOUTH GATE:
Maria Belén Bemal, Mayor ATTEST:
Carmen Avalos, City Clerk (SEAL)
APPROVED AS 0 FORM:
RauF. Salinas, City Attorney
5 U.S.Departmcnt f l1omIand Securily lilt Broadway.Suite 1200 Oukiend,CA. 94607-4052 ; FEMA April 10,2018
Alvie Betancourt Senior Planner City of South Gate 8650 California Avenue South Gate, CA 90280
Dear Mr. Betancourt:
We have completed our review of the South Gale Local Hazard MitigationPlan and have determined that this plan is eligible for final approval pending its adoption by the City of South Gate.
Formal adoption documentation must be submitted to the FEMA Region IX office by the jurisdiction within one calendar year of the date of this letter, or the entire plan must be updated and resubmitted for review. We will approve the plan upon receipt of the documentationof formal adoption.
If you have any questions regarding the planning or review processes, please contact Alison Kearns, Senior Community Planner, at (510) 627-7125 or by email at [email protected].
Sincerely, ----1 _& )
t. IlulietteHayes Division Director Mitigation Division FEMA Region IX
Enclosure
cc: Julie Norris, Mitigation and Darn Safety Branch Chief,California Governor’sOffice of Emergency Services Jennifer Hogan, State Hazard MitigationOfficer, California Governor’sOfficeof Emergency Services
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discussed
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backpacks.
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of
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of
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development
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process removed
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public
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to
extent, flooding,
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and
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as
of reflect
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new
entered
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as outreach
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severe
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local
talk
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at
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frequency,
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new
current
scientific
City South
which Appendix
online
about
response
into
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profiles statistics
businesses
strategy.
weather,
(drought,
section
document,
hazard
received
to
the
City
LHMP
a
Gate
within
were
the
survey raffle
best
South
and information,
of
list
received
have
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to
discussing LHMP
risk
and
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Team. Park.
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practices
and
of
drawing
separate
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useful flood
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dam City,
and
2018
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60
an
17 _____
• Mitigation Actions Matrix:The mitigation actions were wholly rewritten for a variety of reasons, including reflecting changes to regulations and available resources, to address new hazards, and to incorporate updated community priorities and City goals. Columns identifying the goals addressed by each action were dropped, and were replaced by columns showing potential funding sources, policy integration opportunities, and priority score. Progress made towards mitigation actions cannot be identified in this plan update, given that the City did not implement the previous plan. As a result, the proposed mitigation actions supersede the previous actions in the former plan. Allprevious actions were integrated where applicable or deleted. 5 Public Review Draft
The City completed and released the public review draft LHMPto the public for review and comment on July 13, 2017 for 30 days. Electronic versions of the document were provided on the City’s website and hard copy versions were provided at City Hall (CityClerk and Planning Departments), Hollydale Library,and the Leland R.Weaver Library. 1.7 Supporting Plans, Studies, and Technical Reports
Multiple plans, studies, technical reports, and other sources of information were used to develop this Plan. Table 2 identifies these sources of information used to develop certain sections.
Table 2. Sources of Information Used to Create the LHMP
LHMPSection Sources of Information Example Uses
City of South Gate — General Plan Community setting and general 2.1 Physical Setting USCensus Bureau characteristics.
Cityof South Gate — History of South Gate
LosAngeles County Library — South Gate: 2.2 History Historical events and demographics Frequently Asked Questions USCensus Bureau 2.3 Community Community demographic data and USCensus Bureau Profile trends. - Southern California Association of Governments 2.4 Economic Trends — LocalProfile,South Gate Economic characteristics and data. USCensus Bureau
2.5 Existing Land Cityof South Gate — General Plan Community land use patterns and other Uses Citystaff/Local Hazard Mitigation Plan Team physical characteristics.
2.6 Development Cityof South Gate — General Plan Records of ongoing and anticipated Trends Citystaff/Local Hazard Mitigation Plan Team development projects. 2.7 Critical Facilities Citystaff/Local Hazard Mitigation Plan Team Listsof criticalfacilities and their relative importance.
Cityof SouthGate HazardMitigationPlan June 2018 Final Plan 7 18 Final Hazard
2.8 Considerations 3.1 Evacuation 3.3 3.2 Assessment Prioritization Identification 3.4
-Drought
-Seismic
-Extreme
-Hazardous
Disaster Vulnerability/Risk Climate Hazard LHMP
Hazard
Plan
Mitigation
Hazards
Section
Heat
Profiles
Routes
Change
and
Materials Method
and
Plan
Team
Staff; Los City
As California California N/A West Golden N/A City
Plan California Metropolitan California Earthquake US Southern Frequently Cal-Adapt Califorra Los US California Program Alameda California Control California California California City
listed
Geologic Drought
Angeles
Angeles
staff/Local
of
of
City
South
South
State
by
US
staff/Local
Corridor
Climate California State
Geologic State
Earthquake Climate
State Department State Department
Asked
hazard,
Faults
County
Monitor
Geologic County Sources
Survey
Gate Water
Water
Gate—General
Hazard
Multi-Hazard
Multi-Hazard
Water Multi-Hazard
Adaptation Questions
Transportation Adaptation —
Survey below
Company Operational
Earthquake —
District
Urban
Library
Hazard
of
Earthquakes
Survey
Rupture
Resources Mitigation
of
of
Information
Toxic
Public —
Water — —
Mitigation
Alquist-Priolo
Plan Mitigation
— Mitigation
Sources Mitigation South
Planning —
Planning
Forecast____
Uniform
Substances
Center Central
Health Area,
Control
Management
Plan
Authority
8
Hazard
Gate:
of
Area
Team
Plan
Guide
Guide Basin
Plan
Plan
Supply
Plan
Board
E —
Lists importance. Lists
damages, conditions, characteristics. Records
General seismic Information Projections
events. relevant Location Projections Location, conditions. location Projections around Data hazardous heat.
of Records
any
and
of
on —
clean-up
relevant
hazards.
South
of
information
the
of of data
locations
of
intensity,
and
current
future
material
known
including
of fault
of
of
on
health
Example
from
future
the
future other
Gate,
current
hazards
operations.
lines.
seismic
potential
of
and and
past
effects
damage,
locations
including
relevant
on
drought
evacuation
extreme
duration, -
Uses
potential past
sources
the seismic
and
hazard
City
of
science
severity
drought
their
and
extreme
in
conditions.
of heat
the
of
hazard
and
South
routes.
other
events. -
June -
water.
status
of
and
2018
Gate ______
LHMPSection Sources of information Example Uses
California Climate Adaptation Planning GUide General information on the science of California State Multi-Hazard Mitigation Plan severe weather. National Oceanic and Atmospheric -Severe Weather Records of past severe weather events, Administration — Storm Prediction Center including location, intensity, and Royal Meteorological Society resulting impact. The Tornado Project Cal-Adapt California Climate Adaptation Planning Guide General information on the science of flooding, including atmospheric California State Multi-Hazard Mitigation Plan and oceanic phenomena that contribute to FEMA— Flood Map Service Center it. -Flood Journal of the American Water Resources Records of past flood events, including Association consequences and community response. Target Science — Los Angeles River History Current and projected precipitation USGeological Survey - Overview of the conditions. ARkStorm Scenario Location of flood hazard zones. Western Regional Climate Center
California Climate Adaptation Planning Guide General science on diseases and pest management, including their health California Department of Public Health impacts. -Disease/Pest California State Multi-Hazard Mitigation Plan Management History of diseases and pest City — of South Gate General Plan management events in the region. Los Angeles County Agricultural Commissioner’s Projections of future risks from disease Office and pest management hazards. Dam safety ratings. -Dam Failure USArmy Corps of Engineers Location and condition of regional dams. 3.5 Vulnerability Analysis based on sources referenced above Summary Description of the National Flood 4.1 Hazard City of South Gate — Municipal Code Insurance Program.
Mitigation Overview FEMA— National Flood insurance Program Status of NFIPand repetitive loss —— properties in South Gate.
4.2 Hazard . . Records of best practices and LHMPTeam, Best Practices, FEMARequirements Mitigation Measures requirements for regulatory compliance.
4.3 Capabilities City of South Gate — Administrative Services Existing capacity of City to mitigate Assessment Department against future hazard events.
Cityof South Gate HazardMitigation Plan June2018 FinalPlan 9 20 There is no content on this page.
Hazard Mitigation Plan Cityof South Gate FinalPlan June 2018 10 21
June
City
The
before developments the
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manufacturing of median The home median and
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as
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gth
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reports
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has
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grade Bachelordegree
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in
Long
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or college,
communities
of median
residents
school
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to
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or
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provide
Latino Trends that,
As
the
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since
who
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19,285
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jobs
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communities.
major
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in as
$310,000.
people
(2010)
the
as of
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of
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2014
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the
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the community
who
manufacturing
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prices
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housing
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as
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around
the
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worked
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the
largest
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have
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education,
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declined
in
Population
2013). South than
Population
to
global
and
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the
Beach,
has
$53,125
commute
of City.
2007
went
Gate,
Household
retail,
recovered,
South recession,
in
June
Downey,
Among
recent
with
to
for
while
2018 Gate and
Los
all in.
a
25 2.5 Existing Land Uses
The South Gate General Plan, which was adopted in 2009 and is the principal policy document regulating land use in the City, identifies nine main types of land uses in the community. Likemuch of the region, South Gate has gone from a largely agricultural community in its earlier history to a largely built-out urban community. Table 7 shows the current distribution of land uses in South Gate.
Table 7. Current Land Uses In South Gate
1 Vacant 80 1.7% Undeveloped/abandoned land Civic/Institutional 99 2.1% Localgovernment buildings, religious facilities Schools 109 2.3% Elementary schools, high schools, adult school campuses Parks 166 3.4% South Gate Park, Hollydale Regional Park Commercial 308 6.4% Retailstores, auto dealers, restaurants, offices Public Works, LosAngeles River,power lines,flood control channels, Water Bodies, 342 7.1% railways Easements Industrial 762 15.9% Heavy manufacturing, light industry, warehouses Transportation 968 20.2% Roads Residential 1,966 41.0% Single-family homes, multifamily units, mobile home parks Total 4,800 100%
Source: Cityof South Gate 2.6 Development Trends
Numerous development projects are under way or in the planning stages in the City. Table 8 identifies current development activities in the City. Prior develorments within the City (since the last rlan update) have consisted of redevelopment and infill developments that have reduced the City’svulnerability since these developments have increase infrastructure capacity and were constructed using the most up to date building codes and development standards.
2.7 Critical Facilities
The project team identified a number of criticalfacilities in South Gate. These facilities provide important services to the community, such as basic government functions, water and power service, and schools. Some of these facilities can also serve additional roles during an emergency situation, including as a shelter for displaced residents, a staging area for emergency response and recovery activities, or a location for important Cityadministration functions. Damage to these
Cityof SouthGate HazardMitigationPlan June2018 Final Plan 15 26 facilities
Table government residents.
Figure
Final Hazard
Source:
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Mitigation
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29 Figure 3. South Gate Critical Facilities and Bridges
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City of South Gate Hazard Mitigation Plan June2018 Final Plan 19 © Hazard Mitigation Plan City of South Gate Final Plan June 2018 — 20 Figure 4. South Gate Evacuation Routes
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City of South Gate Hazard Mitigation Plan June 2018 Final Plan 21 There is no content on this page.
Hazard Mitigation Plan City of South Gate Final Plan June 2018 22 June City — Table which to shaded the the use occur planning
FEMA
3.1
Hazard CHAPTER Hazardous and the (Ground Disease Seismic of kickoff necessary of 2018 Extreme Management Dam South in Hailstorm identifies
City Hazard 11. were resources Liquefaction) Drought gray. Flood South Spills efforts. City Failure of meeting
and Identification Hazards Gate Shaking Materials identified This Heat South attributes Gate of Pest 21 (hurricanes, Some table South
different ‘dentification Gate. on but for is July of the for Gate consistent Table these Yes Yes Yes Yes Yes Yes Yes inclusion es chance 14,2015. these hazards for Hazard 11
events 3: example). events summarizes The hazard of The with Though Due that The in This such South Identification, City this narrows, effectively
City HAZARD the City to local to discussion will The events The depends economic
LHMP. and . occur contains rare, hazards Trees Gate is governments be the City susceptible LHMP the and the combined is is cannot (avalanches, in Hazards LHMP
has Prioritization low City, susceptible on Hansen identified resulted the City properties . considerations Team 2015 . 100- groundwater enough the 23 City Team’s has occur to that with may discussed and City Dams are experienced in inundation . hazardous as for susceptible identification to in and that 500-year have discussion wish susceptible similar is part . South earthquake along example). vulnerable transportation . planning and and of to
been PROFILES a hazards FEMA’s comprehensive consider materials the Gate caused the flood imported substantial to for excluded to Los relative Other of drought. for to because ground each invasive zones, hazard the and by Angeles extreme these when spills. corridors surface dam potential hazards of identified lack hail from as shaking the the mitigation occurrences conducting insects list failure mapped and of heat damage . natural community . water, further shade of that with hazards Rio events. as natural and and of Hazard ,, pose Hondo the Garvey, by both planning severe trees hazards in liquefaction. fungi. consideration hazard is the FEMA. potential may not hazards a Mitigation of does _____ in potential Rivers. past. weather. which Whittier an parts and potentially mitigation guidance. Final not effective The during _____ for shows of are have Plan Plan risk
are 34 _
Hazard Final
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Climate historical
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Gate Gate
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identified Gate
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requirements.
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from or from
this
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storms
expected
expected
the
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hazards plan
blizzards,
wind wind
no
will
hazards.
City. a
a
a and
a
community, as wildfire
with soil are
coastal coastal
focuses
coastal
coastal
do
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events.
events.
“severe
but
The mudflows
occurrences
reviewed
not
issues ornear
happen
occurrences
in
considered
winter
as
as
sleet,
rather
South
hazard
present “severe
community.
risks community.
community.
community.
on
severe
The The
weather.”
in
etc.
natural
South
storms
surrounded
in
in
South
a
in
Gate.
are
hazard hazard
South phenomenon
will
the
weather. weather.”
this
in
of
as
of
not
Gate.
South
City
subsidence City.
be a
elsewhere hazards, Gate.
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plan
factor
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present
combined
of
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and
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be
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June
their
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in
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in
2018
Gate
35 Some of the hazards listed in this plan combine FEMA-identifiedhazards for organizational purposes. For example, this plan discusses “severe weather,” which includes wind/windstorms, hailstorm, and tornados. Citystaff identified and prioritized eight hazards that may impact South Gate:
• Drought • Severe Weather
• Seismic Hazards • Flood
• Extreme Heat • Disease/Pest Management
• Hazardous Materials • Dam Failure
Priontization
The LHMPTeam used a Microsoft Excel-based tool to prioritize the identified hazards by assigning each hazard a ranking based on probability of occurrence and potential impact. These rankings were assigned based on group discussion, knowledge of past occurrences, and familiarity with the City’sinfrastructure vulnerabilities. Four criteria were used to establish priority. Avalue of 1—4was assigned for each criterion, with 4 being the most severe and 1 being the least. • Probability (likelihood of occurrence).
• Location (size of potentially affected area)
• Maximum Probable Extent (Primary Impact, or intensity of damage) • Secondary Impacts (severity of impacts to community)
The four criteria were weighted based on the LHMPTeam’s opinion of each criterion’s importance. Table 12 shows the scores for each criterion. Table 13 presents the results and includes only those hazards that achieved a “medium” or “high” score. The hazards inTable 13 are consistent with the hazards identified in Table 11.Note that for organizational purposes, hailstorm, wind/windstorm, and tornado have been combined into a single category referred to here as “severe weather.”
Cityof SouthGate HazardMitigationPlan June2018 Final Plan 25 36 Table
Hazard Final
Based
Based
Likely.
percent
Limited.
occurrence of
Extensive.
chance Unlikely. chance
Negligible.
Occasional.
percent percent
percent
Highly
of
community Significant.
Plan
12.
occurring
Mitigation
on
of
on
A
chance
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10
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estimated
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the
of
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year.
percent
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10
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1 25
25 area.
by
percent
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2 4 3 1
2
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High
Extreme
Limited
Moderate
on — on
26
major —
estimated
Maximum
percentage
devastating — — — —
Weak
catastrophic minimal some
no —
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loss
and/or and/or
loss —
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damage,
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Probable
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months
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of
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downtime,
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City
Factor:
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Factor:
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Score
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South
June
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2018
Gate
37
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Each management.
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3.3 Climate
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27
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Riskof Future Hazards
Because South Gate lacks any substantive agricultural activities, the primary impact of drought conditions in the City is on the local water supply. South Gate has two water providers: most of the community receives its water from the City- owned network, while a small portion, home to over 1,400 service connections, receives water from the private Golden State Water Company’s Hollydale System. In most years the Citysupplies water from its existing groundwater allocation of 11,183 acre-feet (AF).Only in rare occasions does the Cityrely on water sources outside of their current groundwater allocation and hasn’t relied upon outside sources for a number of years. The City’s2015 Urban Water Management Plan identifies eleven groundwater wells, seven of which are active. Of the four remaining wells, three are reserved for standby use and the remaining well is currently inactive due to contamination and reliability issues. The City’s groundwater allocation is currently pumped through these seven active wells, which has generally proven sufficient to
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7.0 and greater VIIIand greater Source: USGeological Survey, http://earthquake.usgs.gov/Iearn/topics/mag_vs_int.php Description of Secondary Seismic Hazards
Beyond the direct damage from the ground shaking posed by an earthquake, these events can also result in a seismic hazard called liquefaction, which occurs when the force of an earthquake’s shaking causes groundwater to mixwith the soil. This mixture temporarily becomes a fluid and loses its strength, which may in turn cause buildings and other structures built on or in it to tilt, collapse, or otherwise suffer damage. Liquefaction can also occur independently of an earthquake, ifany other sudden and significant stress causes the mixing of groundwater and soil.The riskof liquefaction depends on many different factors, including the height of the groundwater table and the types of soil in an area. There is no scale for measuring liquefaction events.
Earthquakes can also cause landslides, either directly as a consequence of the ground shaking or indirectly when soil loses its structural integrity due to liquefaction. Landslides can occur under multiple conditions, but they are most likely in areas with steep slopes with highly fractured rocks, areas with loose and weak soils, and areas on or near deposits of material caused by previous landslides. There isno standard scale for measuring landslide events, as they are commonly described using criteria such as the volume of sliding material or the amount of damage.
Damage caused by seismic hazards, either primary or secondary, can create other hazardous conditions. Seismic hazards can damage natural gas pipelines, causing gas leaks that can ignite and cause an urban fire. Broken water lines can cause localized flooding, and damages to wastewater pipes may create a public health hazard. Earthquakes may also damage containers that hold hazardous materials, leading to a hazardous materials release emergency.
Hazard History — Primary Seismic Hazards
Four large earthquakes have occurred around South Gate in recent history:
• In 1933,an earthquake offthe coast of Long Beach measured an estimated 6.4 on the moment magnitude scale with an estimated Mercalli intensity of VIII.This earthquake killed 115 people, largely in southern Los Angeles and Long Beach, although five people were killed in South Gate and multiple buildings were destroyed.
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City of South Gate . Hazard Mitigation Plan oc June2018 Final Plan 37 There is no content on this page.
Hazard Mitigation Plan City of South Gate Final Plan June 2018 38 Figure 7. Potential Ground Shaking
Legend • Critical Facility C Bridge 1.65g PowerTransmission Easement / InFfi*F.’ South GaLe City Limits 1=1 t. Maximum Considered Earthquake .41 Iri Ground Motion 0.2 sec iRelatee Shaing Hazarri For Short tthjctrires)
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City of South Gate Hazard Mitigation Plan (J1 June 2018 Final Plan 39 There is no content on this page.
Hazard Mitigation Plan City of South Gate Final Plan June 2018 Ui 40 —
Figure 8. Area Susceptible to Liquefaction
Legend • Crihcal Facility Bndge Power Transmission Easement CJ South Gate City Limits Area Susceptible to Liquefaction o Kofl
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Source CA Dept of ConsevaSon (20151 Cv of Sooth Gate (201b Las Afl5efes CesIth i2Ot5 ESRJ basemap
City of South Gate Hazard Mitigation Plan June 2018 Final Plan 41 There is no content on this page. -
Hazard Mitigation Plan City of South Gate FinalPlan June2018 42 Vulnerability/Risk Assessment
Based on Figures 6, 7, and 8, all 11 of the City’s critical facilities are susceptible to damage from seismic shaking and liquefaction. Table 17 reports the potential loss that could result from a seismic event. Regarding liquefaction potential, analysis of the liquefaction overlay shows that the populated area affected by liquefaction is a total of 4,706 acres. Approximately 95,000 residents, or 100 percent of the City’s total population, could be affected in the event of liquefaction. In addition, 37,816 employees, or 100 percent of the people that work in South Gate, could be affected.
Table 26 at the end of the chapter provides a summary of residents and employees affected by hazard. It should be oed that although the City is located in a state liquefaction zone, based on discussion with South Gate Citystaff, water aLles are-deep enough (between 80 and 100 feet) that despite being in a liquefaction zone, liquefaction does not pose a substantial threat.
Table 17. Critical Facilities Susceptible to Seismic Shaking and Liquefaction
City of South Gate CivicCenter $18,942,341 $2,399,619 $21,341,960
Parks &Recreation 2 Administration $5,527,027 $343,609 $5,870,636
Parks &Recreation - Hollydale 3 Community Resource Center $1,063,646 $199,154 $1,262,800
Parks &Recreation South Gate 4 GirlsClubhouse $2,547,566 $143,044 $2,690,610
Parks &Recreation - South Gate Golf Course $135,221 $19,645 $154,866
Parks &Recreation - South Gate 6 Senior Center $1,369,861 $87,801 $1,457,662
Parks &Recreation - South Gate 7 Sports Center $19,078,910 $597,246 $19,676,156
Parks & Recreation - Westside 8 Community Resource Center Not available Not available Not available
9 Public Works Corporate Yard $11,319,189 $2,383,013 $13,702,202
10 L.A.County Fire Station #54 Not available Not available Not available
11 L.A.CountyFireStation#57 Notavailable - Notavailable -- Notavailable Total Potential Losses $66,156,892
Cityof South Gate HazardMitigationPlan June2018 FinalPlan 43 54 Extreme Heat Hazard Description
Whilethere is no universal definition for an extreme heat event, a common definition for planning in Californiaidentifies an extreme heat day as a day where the high temperature exceeds the average high temperatures of 98 percent of the historic days between April and October. Five extreme heat days in a row is considered a heat wave. The threat of extreme heat can be higher in urban areas, where dark-colored roofs and paving materials cause the air temperature to be hotter than in surrounding, less developed areas; this is known as the urban heat island effect. Extreme heat events are measured based on the temperature and duration of the event, although there is no standardized scale.
The greatest riskfrom extreme heat events are health-related. While some heat-related illnesses are often minor and/or temporary, including heat rash, heat cramps, and heat exhaustion, extreme heat can overwhelm the body’s ability to maintain a safe internal temperature (an ability called thermoregulation), which can cause a person’s body temperature to reach dangerous levels. If a person’s internal temperature rises from a normal level of 98.6°F to 104°For above, heatstroke, the most serious heat-related illness, can occur. Heatstroke can cause fainting, seizures, and mental impairment. Ifleft untreated, it may lead to permanent organ damage, coma, or death.
The risks of extreme heat are higher for some individuals, including the elderly, lower-income individuals, and outdoor workers. Elderly persons, especially those 85 years of age or older, are more likelyto suffer potentially fatal respiratory and cardiovascular complications during heat events. They are also more likelyto take medication that already reduces their thermoregulatory capability, and may be less likelyto take care of themselves during emergency situations. Lower- income individuals are more likely to live in housing without adequate cooling capacity, such as an air conditioner, which can make them more vulnerable to heat-related illnesses. They may also lack access to effective transportation that allows them to reach cooling centers, seek medical help, or obtain other assistance as needed. Outdoor workers, such as construction workers, are more exposed to extreme heat conditions than many other people and therefore are also at risk of extreme heat. infrastructure-related complications can also result from extreme heat. Power lines can become stressed during extreme heat, due to a combination of equipment being less efficient in high temperatures and increased demand for electricity during extreme heat (generally to run air conditioners). Thiscombination of factors can overwhelm electricity infrastructure and make it more likelyto fail,which can cause power outages and in turn result in increased health risks. in particularly extreme heat events, roads and railways may be damaged by the high temperatures, creating transportation delays or closures. Hazard History
The worst heat event in California history occurred in the Los Angeles area in 1955, when an eight-day heat wave resulted in temperatures as high as 108°Fin downtown Los Angeles and killed 946 people. A heat wave in July 2006 killed 147 people throughout the state, although the Los Angeles region was less impacted than the Central Valley.
HazardMitigationPlan Cityof South Gate FinalPlan June 2018 44 55 According to Cal Adapt (the State of California Climate Adaptation date portal), an extreme heat event in South Gate occurs when temperatures in the area rise above 92°F,which on average occurs four times each year. Riskof Future Hazards
The riskof extreme heat events is likelyto rise in South Gate and throughout California,and all parts of South Gate face an equal risk.An increase in extreme heat events is one of the primary threats posed by climate change. Future extreme heat events are likely to be more frequent and more intense, and potentially longer-lasting. The California Energy Commission forecasts that by 2050, South Gate could see up to 31 extreme heat days each year, potentially rising to as high as 77 extreme heat days by the end of the century. Inaddition to direct health impacts, this may cause street trees and other vegetation in South Gate to suffer further stress, making them more vulnerable to disease or death. This is of particular concern since street trees help provide necessary shade, reducing the urban heat island effect. Climate Change Considerations
As noted above, climate change is likely to cause an increase in the frequency and severity of extreme heat events throughout California.Although the greatest increases are likelyto occur in more inland areas, scientists have identified moderate-temperature areas such as South Gate as being at an elevated riskbecause people in these areas are not used to extreme heat. There is a wide range of potential frequency and severity of extreme heat events as a result of climate change, but scientific consensus is that extreme heat will pose a greater risk in future years than it currently does due to climate change. Vulnerability/RiskAssessment
Likeother communities in the region, South Gate is at an elevated risk of extreme heat. Urbanized areas experience higher temperatures than rural communities (known as the urban heat island 8),effect which could further elevate temperatures in and around the City.South Gate has a somewhat greater rate of poverty than LosAngeles County as a whole, and so may have a greater proportion of lower-income residents with elevated vulnerability than surrounding communities.
Hazardous Materials Hazard Description
The category of “hazardous materials” covers a large range of natural and artificial substances that can be a risk to the public, such as toxic metals and chemicals, flammable or explosive materials, corrosive material, infectious substances, and radioactive materials. These materials can create health problems if inhaled, touched, or ingested. Alternatively, these materials can be relatively harmless by themselves but can create dangerous conditions (e.g., explosives).
8 Accordingto the USEPA,the urban heat island effect is a measurable increase in ambient urban airtemperatures resulting primarilyfrom the replacement of vegetation with buildings, roads, and other heat-absorbing infrastructure. The heat island effect can result in significant temperature differences between rural and urban areas.
Cityof South Gate Hazard Mitigation Plan June 2018 Final Plan 56 Hazardous materials can also escape from containment vessels and contaminate groundwater, soil, or air, which may result in further impacts. There is also concern about the long-term public health and environmental impacts that may result from the sustained use of or exposure to such materials.
Hazardous material emergencies can occur in a number of ways. An unrelated disaster such as an earthquake or flood may damage storage tanks or pipes, causing the material to leak out. Even if buildings or containment structures suffer minimal damage, hazardous materials can be released. Accidents can also occur independently of other disasters, such as from human error or malfunctioning or broken equipment. There is no standardized scale for hazardous material releases, as these events are usually measured based on the volume and type of released material or materials.
Transportation accidents are another way that hazardous materials may pose a risk to people and property. Road vehicles, trains, and (more rarely)aircraft are all used to transport these materials, and accidents involving these vehicles may involve the release of hazardous materials. One of the most prominent examples of a transportation accident involving hazardous materials occurred in 1973 in the City of Roseville,near Sacramento. A freight train entering the City’srail yard suffered a brake accident, setting a wooden boxcar carrying 250-pound bombs on fire. The resulting explosion destroyed the railyard and injured approximately 100 people, although there were no fatalities. Hazard History
There is no history of significant hazardous material-related emergency events in South Gate, although there have been a few substantial events in the vicinity. The 1994 Northridge earthquake led to over 15,000 natural gas leaks and 60 hazardous material releases that required an off-site response. More recently, an overpressurized piece of equipment at an oil refinery in Torrance caused an explosion that released particles of fiberglass and glass wool into the surrounding neighborhoods. Riskof Future Hazards
In South Gate, a prime area of concern for hazardous material releases is via rail accidents. There are two rail lines in South Gate, both owned by the Union PacificRailroad.The Spur Line runs along the northern portion of the City in an east—westdirection north of Firestone Boulevard, while the San Pedro Subdivision runs diagonally through the eastern portion of South Gate in a generally north—southalignment. According to South Gate’s 2009 General Plan, both lines handle approximately four to six trains each day. There are no grade-separated rail crossings in South Gate, except for where the San Pedro Subdivision runs underneath Interstate 710. Athird freight rail line, called the Alameda Corridor, runs along Alameda Avenue at the City’swestern border and connects the Ports of LosAngeles and Long Beach to the national rail network near downtown Los Angeles. In 2015, the Alameda Corridor carried an average of 41 trains each day. Trains carrying hazardous materials may use any of these three rail lines, and an accident involving hazardous materials on any of these rail lines may create a health and safety risk in South Gate.
South Gate may also be at riskfrom sites previously contaminated with hazardous or potentially hazardous materials. The California Department of Toxic Substances Control maintains a list of stationary hazardous material facilities with
HazardMitigationPlan Cityof South Gate FinalPlan June 2018 46 57 known or potential soil contamination. This list, called the Cortese List,identifies four such sites in South Gate. Allfour were previously used for various industrial activities, including manufacturing, machine repair, and recycling.These four sites are currently undergoing cleanup activities. Table 18 identifies these sites and the potential sources of contaminants.
Table 18.Cortese List Sites in South Gate Address Oversight Agency . Potential Contaminants Metals (cadmium, copper, lead, nickel, chromium, and/or 5211 Southern USEnvironmental zinc) Avenue Protection Agency Volatile organic compounds (VOCs)
2525 East Firestone California Department of Dry-cleaning fluid Boulevard Toxic Substances Control Industrial solvents
USEnvironmental 9301 RayoAvenue . Industrial solvents Protection Agency Metals (cadmium, copper, lead, nickel, chromium, and/or California Department of zinc) 8440 Alameda Street ToxicSubstances Control Gasoline and/or diesel Volatile organic compounds (VOçs)
Source: california Department of ToxicSubstances Control, http://www.dtsc.ca.gov/Sitecleanup/cortese List.cfm
In addition to the facilities on the Cortese List,the State Water Resources Control Board maintains a record of all sites in California that are regulated to help prevent contamination to water bodies and groundwater supplies. There are 155 such sites in South Gate, most of which are underground storage tanks. However, many of these sites are closed and all cleanup activities have been completed. Table 19 shows the number of sites in South Gate by status. While some risk does remain, only a handful of sites are in a position that could result in hazardous materials release. Figure 9 illustrates all hazardous material sites in the City.
Cityof SouthGate HazardMitigationPlan June 2018 Final Plan 47 58 Table 19.Regulated Groundwater Contaminant Sites in South Gate by Status
. The site is currently active and regulated under the Waste Active — WDR 2 Discharge Requirements program.
Completed — Case Closed 110 Aformal closure decision document has been issued.
. . The site was previously regulated under the Waste Discharge Historical — WDR 4 Requirements program but no longer is.
. The site is regulated under the Waste Discharge Requirements Never Active — WDR 2 program, but has never been active.
Open — Assessment and Interim remediation is ongoing, and other investigative or 2 Interim Remedial Action analytical actions are occurring.
Open — Eligible for Closure 5 Allcorrective action is done.
Open — Inactive 7 There are no regulated activities at the site.
. . A remediation strategy has been selected and is being Open — Remediation 7 implemented.
Open — Reopen Case 1 The site has been reopened for further analysis or remediation.
Open — Site Assessment 14 The site is being analyzed.
Open — Verification Remediation is complete, and a monitoring program is in place Monitoring 1 to confirm the successful conclusion of these activities. Total 155 Source: California State Water Resources Control Board, https://geotracker.waterboards.ca.gov/
HazardMitigationPlan Cityof South Gate FinalPlan June 2018 48 ______
Figure 9. Hazardous Material Locations
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Hailis a type of precipitation that involves rough spheres or lumps of ice. It forms within strong thunderstorms, when water droplets are forced upward in the thundercloud by strong winds called updrafts. As the droplets rise, the air temperature drops below freezing, causing the drops to freeze and sticktogether. Eventuallythe weight of the hailstone becomes too heavy for the updraft to hold it up, and it falls to the 9surface. Hailstones are generally larger than 0.2 inches across, and can pose a hazard when they grow larger than 0.8 inches. At this size, they can damage roofs, break windows, and damage plant leaves. Particularly large halistones can knock branches off of trees, causing further damage. In very rare instances, people struck by massive hailstones can suffer concussions or other head trauma. Hail events are often measured by the size of the hailstones involved, although there is no standard scale.
Tornadoes are rotating columns of air reaching from the ground’s surface to a cloud, usually a thundercloud. Although scientists do not fully understand how tornadoes form, tornadoes typically start when rapidly descending wind within a thunderstorm (a downdraft) drags a rotating part of the thunderstorm called the mesocycle down below the base of the cloud and focuses the mesocycle’s base over a relatively small area. At the same time, the mesocycle causes air currents of different temperature and humidity to mix, which creates an area of low pressure directly below the mesocycle. This low-pressure area pulls the focused mesocycle to the ground, where it becomes a tornado. The threat caused by tornadoes is due to very high wind speeds, which can directly damage objects and structures. Additionally, tornadoes can pick up heavy objects and smash them into other objects or buildings, causing further damage. The strength of a tornado is measured using the Enhanced Fujita scale, which estimates wind speeds by the observed damage. The Enhanced Fujita scale is shown in Table 21.
Table 21. Enhanced Fujita Scale
Rating WindSpeeds Description Light damage: Some damage to chimneys. Branches broken off trees. Shallow-rooted EQ 1 65to85mph trees pushed over. Sign boards damaged. — Moderate damage: Surfaces peeled off roofs. Mobile homes pushed off foundations or Fl 86tollOmph overturned. Moving vehicles blown off roads. Considerable damage: Roofstorn off frame houses. Mobile homes demolished. Box F2 111 to 135 mph cars overturned. Large trees snapped or uprooted. Light objects become missiles. Cars lifted off grouncL - Severe damage: Roofsand some walls torn off well-constructed buildings. Trains F3 136to165mph overturned. Most trees_uproote Heavy cars lifted off the ground and thrown. Devastating damage: Well-constructed buildings leveled. Structures with weak F4 166 to 200 mph foundations blown_away.Large objects_become missiles. More than 200 Incredible damage: Strong frame buildings leveled and swept away. Automobile-sized ES -_____ mph missiles flythrough the air in 100 —— excess of metersJncredib phenomena_will occur.
Hailis sometimes confused with sleet, which is made of much smaller balls or pellets of ice.While hail isformed in thunderstorms, sleet is created when snow melts and then refreezes, and thus only occurs in very cold weather.
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Tornadoes are most common in the Great Plains and Midwest regions of the United States, between the Rockyand Appalachian Mountain ranges. However, tornado events can occur in all parts of the United States, including California. The California Multi-Hazard Mitigation Plan identifies 316 tornadoes that have struck the state from 1950 to 2006, most of which measured FOon the Enhanced Fujita scale. The state has seen two F3 tornadoes in recorded history: one in Riverside County in 1973, and one in Orange County in 1978 that injured three people. The Tornado Project identifies 42 tornadoes that have struck LosAngeles County since 1950, including an F2tornado in 1983 that injured 30 people and damaged 50 homes near western LosAngeles. South Gate staff reported the presence of one tornado south of the City near the LosAngeles Riverchannel within the last 20 years.
High winds are an occasional event in the Los Angeles region. Acommon type of high wind event involves Santa Ana winds, which occur when areas of high pressure form in the Great Basin and northern Mojave Desert regions, both of which sit at high elevation. The pressure forces the air out of these regions toward the Californiacoast, causing it to heat up and dry out as it descends toward sea level. Santa Ana winds can have gusts of 70 to 80 mph or more, and often are responsible for spreading wildfires. Santa Ana events have also toppled trees and knocked out power multiple times in the region in recent years; for example, a 2011 event destroyed multiple buildings and left over 340,000 people without power. Strong wind events can also be associated with thunderstorms. A strong thunderstorm in 2000 caused winds up to 100 mph in the Gateway Cities and southern San Gabriel Valley regions, including causing severe damage to factories and mobile homes in Paramount. Riskof Future Hazards
South Gate is likelyto be at continued riskfrom these types of events, and there is an equal chance of all severe weather events occurring at any individual location in the community. High winds, including Santa Ana events, are expected to continue to be the primary type of severe weather in the City.Given the severity of these events and the frequency at which they occur, most damage associated with severe weather is likelyto be the result of high winds. Hailstorms are expected to remain a more uncommon event, and ones capable of causing substantial damage are likelyto be more uncommon still.Tornadoes capable of causing significant damage are rare in California and the odds of one posing a threat to South Gate are low, albeit present. Climate Change Considerations
Climate change is expected to cause an increase in the number of intense storms that affect California. As hail, tornadoes, and some types of high wind events are all linked to strong thunderstorms, it is possible that an increase in the number of intense storms may also cause an increase in the number of these severe weather events. Scientists have not yet identified any clear relationship between climate change and the frequency or intensity of Santa Ana events, although research into this subject remains ongoing.
Cityof SouthGate HazardMitigationPlan June 2018 Final Plan 53 64 The Vulnerability/Risk way associated windstorm assess
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City of South Gate Hazard Mitigation Plan June 2018 Final Plan 57 Climate Change Considerations
Climate change is expected to cause an overall decrease in precipitation levels and a general increase in drought conditions throughout much of California. However, evidence suggests climate change may also result in an increase in the number of more intense storms. These two changes may contribute to an increased flooding risk.More intensive storms are likelyto drop a larger amount of water in a shorter period of time, increasing the riskof the volume of water overwhelming the ability of the soil or infrastructure to drain it away, and thus creating flooding. The overall drier conditions are expected to dry out the soil, which makes it more difficult for water to soak into the ground, further increasing the riskof flooding. Itis not yet known ifclimate change willaffect the frequency or severity of ElNiñoevents. Vulnerability/Risk Assessment
Asdiscussed above and as shown in Figure 10,nearly half of the Cityis located within the 500-year flood zone, with very small portions, mostly river channels, located in the 100-year flood zone. Seven critical facilities are located in the FEMA 500-year flood plains; no facilities are located within a 100-year flood plain. Of the facilities located in the 500 year floodplain, total losses to these facilities could exceed $10.2 million based on currently available information. This estimate could be larger ifmore accurate information regarding replacement costs become available in the future.
Analysis of the flood zone overlays shows that the populated area within 500 feet of a 100-year flood zone is a total of
502 acres. Atotal of 944 residents (1 percent of the City’stotal population) would be affected by a 100-year flood not related to dam failure inundation. Inaddition, 352 employees, or 1 percent of the people that work in South Gate, could be affected. Table 26 at the end of the chapter provides a summary of residents and employees affected by hazard. Disease/Pest Management Hazard Description
Disease and pest management hazards are caused by an undesirable organism (insects, bacteria, viruses, etc.) that causes serious harm to plants, animals, or humans. These organisms can threaten human health by infecting people with a number of diseases, some of which are potentially fatal. Pathogenic or disease-carrying organisms may also cause widespread devastation to forests, creating safety hazards and causing environmental damage in addition to economic impacts. There are some specialized scales for certain types of disease or pest outbreaks, but no standardized scale is used across multiple types of disease and pest management hazard events. Events are often measured by the number of human cases or the size of the affected area.
One disease of concern is West Nilevirus. Birds are often a host for the virus, which can be spread when a mosquito bites an infected bird and then later bites a person. As a result, many agencies will test the blood of wild or domestic birds to look for the presence of West Nilevirus. Approximately 80 percent of people infected with West Nile virus will not show any symptoms, while 20 percent of people will experience fever, nausea, headache, or other symptoms
Cityof SouthGate HazardMitigationPlan June 2018 Final Plan 58 69 resembling the common cold or a mild case of influenza. In less than 1 percent of infected people, the virus attacks the central nervous system, potentially causing meningitis or encephalitis.
For many urban areas, diseases and pests that impact street trees are a concern, as most types of street trees are susceptible to diseases. Insects called aphids are among the most common pest, sucking sap from the tissue of trees and other plants. This can weaken the tree by depriving it of nutrients, and may also introduce other pathogens such as fungi or viruses. Another type of insect, the bark beetle, burrows into the inner bark of trees, weakening and often killing them. At times, massive outbreaks of bark beetles can killvast swaths of forests. Afungal disease called sudden oak death has devastated a large number of oak trees in California and Oregon. Since it was first observed in 1995, it is estimated to have killed over 100 million trees, primarily in the coastal areas of Central and Northern California. Hazard History
Since the predominant strains of influenza and their virulence change each year, the number of influenza cases also changes significantly each year. In the most recent flu pandemic of 2009—2010,confirmed cases of influenza killed 135 people in Los Angeles County and sent another 247 people to intensive care units. Bycontrast, in the following 2010— 2011 flu season, 10 people died and another 3 required intensive care. Inthe 2013—2014flu season, LosAngeles County saw 83 deaths and another 27 intensive care patients. Specific numbers for South Gate are not available.
The number of West Nile virus cases also varies substantially from year to year. The virus first appeared in California in 2003, and had been observed in all counties in the state by 2004. As of the end of 2014, California had reported 4,805 cases of West Nile virus, with 176 fatalities. In 2014, Los Angeles County saw 253 human cases of the disease, although the number of cases in South Gate is unavailable. As of July 2015, one swimming pooi in South Gate has tested positive for mosquitoes infected with West Nilevirus.
In South Gate, the predominant type of Street tree is sycamore, which is vulnerable to various diseases and pests. A fungal disease called anthracnose or sycamore blight can affect California sycamores, as well as a number of other trees. Although it generally does not killthe tree or cause permanent damage on its own, it does cause the trees to shed leaves, which can weaken the tree and make it more susceptible to other diseases or pests. The disease has infected trees throughout the Los Angeles area, and appears to be more common in years with a wet late winter or spring. Riskof Future Hazards
Allof South Gate faces a generally equal risk from disease and pest management hazards. A number of preventative actions can reduce the risk of diseases such as influenza and West Nile virus. Vaccination and basic hygiene can significantly decrease the odds of a person catching influenza. Similarly, individuals can reduce the risk of mosquito bites (and by extension, the risk of West Nile virus), by draining pools of stagnant water, using screens and protective clothing, and wearing insect repellant. However, eradicating these diseases is extremely unlikely in the short term. It is likelythat they willcontinue to affect South Gate and surrounding communities. While various health organizations and
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of 72 all of South Gate except for the extreme northeastern corner near the South Gate Town Center shopping center iswithin the Hansen Dam inundation zone. Hansen Dam is located approximately 23 miles northwest of South Gate, in the San Fernando Valley.The USArmy Corps of Engineers gives Hansen Dam a DSAC-lllrating. Due to this rating, the dam’s Emergency Action and Notification Plan is updated annually, and special inspections are triggered if the water level reaches a certain height. Hansen Dam’s DSACrating and breadth of inundation zone make it the primary dam failure hazard in South Gate.
The part of South Gate near the Los Angeles Riverand Rio Honda drainage channel is within the inundation zone for the Whittier Narrows Dam, located on the San Gabriel Riverapproximately 7 miles northeast of South Gate in the City of Montebello. The gates of Whittier Narrows Dam are normally left open and so there is no reservoir behind the dam that could cause an emergency ifthe dam fails;the dam’s gates are only closed and a reservoir allowed to build during flood events. The dam is rated DSAC-ll.
Athird dam, Garvey Dam, threatens a relatively small part of northeastern South Gate. It is located 8 miles northeast of South Gate in Monterey Park, and is operated by MWD.While current safety information is not available, earthquakes caused cracks to appear in the reservoir, which resulted in flooding several nearby homes in 1989. Figure 11 illustrates South Gate’s dam failure inundation zones.
Climate Change Considerations
Climate change is expected to cause more frequent periods of intense precipitation, leading to a potential rise in flood events. It is possible that floodwaters may damage dams or erode the ground that they are built on, increasing the risk of dam failure. Vulnerability/Risk Assessment
As noted in Table 24, all criticalfacilities in the Citycould be inundated as a result of dam failure. The total potential loss shown in the table is based on the assumption that structures are completely destroyed. It should be noted that this assumption is the best available, and intended to be a conservative estimate. However, complete facilitydestruction is unlikely given the City’sproximity to the dams.
HazardMitigationPlan Cityof South Gate FinalPlan June 2018 62 73 Table 24.South Gate Critical Facilities at Risk of Inundation from Dam Failure Map Contents Replacement Value Number VI Potential Loss
1 Cityof South Gate CivicCenter $18,942,341 $2,399,6 19 $21,341,960 2 Parks &Recreation - Administration $5,527,027 $343,609 $5,870,636
Parks &Recreation - Hollydale 3 $1,262,800 Community Resource Center $1,063,646 $199,154
Parks &Recreation - South Gate $2,690,610 GirlsClubhouse $2,547,566 $143,044
Parks &Recreation - South Gate Golf $154,866 Course $135,221 $19,645
Parks &Recreation - South Gate 6 $1,457,662 Senior Center $1,369,861 $87,801
Parks &Recreation - South Gate $19 676 156 Sports Center $19,078,910 $597,246
Parks & Recreation - Westside 8 . . . Not available Community Resource Center Not available Not available
9 Public Works Corporate Yard $11,319,189 $2,383,013 $13,702,202 10 L.A.County Fire Station #54 Not available Not available Not available
11 L.A.County Fire Station #57 - Not available Not available -- Not available
Total Potential Losses $59,983,761 $6,173,131 $66,156,892
Analysis of the dam inundation overlay shows that the populated area vulnerable to inundation as a result of dam failure is a total of 4,706 acres. A total of approximately 95,000 residents (100 percent of the City’stotal population) could be affected in the event of dam inundation. Inaddition, 37,816 employees, or 100 percent of the people that work in South Gate, could be affected. Table 26 at the end of the chapter provides a summary of residents and employees affected by hazard.
Cityof South Gate HazardMitigationPlan June 2018 FinalPlan 63 74 Figure 11. South Gate Dam Failure Inundation Zones
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Cityof South Gate Hazard Mitigation Plan June 2018 Final Plan 67 78 Table Table facilities Should
Potential Hazard Final Affected population) Number Employees Number Populated Residents Affected Affected (Acres) of Total Total Total Area Plan 26. 27 City Mitigation a identified hazard ranks Populated (% of of
Losses the completely Plan (100%) 95,000 (100%) 37,816 4,706 in critical Appendix Area facilities and destroy 95,000 37,816 C. Number 4,706 these by (100%) (100%) value of facilities, Residents (combination (100%) 95,000 (100%) 37,816 4,706 their and replacement 68 of Employees 48,288 19,026 (51%) (50%) 2,868 building will replacement Affected be (100%) (100%) 95,000 37,816 4,706 the most and costly (1%) (1%) 502 944 352 contents compared (100%) (100%) 95,000 37,816 4,706 value) City to other of in South June the (100%) (100%) 95,000 37,816 4,706 critical City. 2018 Gate
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1.1 Update and expand the City’s Street Tree Master Plan to cover the following topics: • Attaining “Tree City USA” designation. • Tree maintenance including canopy and root maintenance with an emphasis on maintaining buffers between canopies and critical infrastructure. • Drought-tolerant and shade-providing tree General Fund, palettes. . grant funding, Street Tree • Tree Public Works 2019 vulnerability to high winds, with direction to development Master Plan High replace vulnerable trees with more resilient species. fees • Mitigating tree pest and disease impacts. • Actions and funding sources expand the City’s shade tree stock. • Best practices for private property plant selection and tree maintenance.
Hazards mitigated: drought, extreme heat, severe weather 1.2 Work with utility companies and non-City agencies, including Southern California Edison, Southern California Gas Company, Los Angeles Metro, and telecommunication providers, to harden infrastructure Community to be more resilient to hazard situations, helping to Development, Genera! Fund N/A 2020 Medium provide safe service during emergency situations and Public Works to quickly fix any service interruptions.
Hazards mitigated: seismic hazards, severe weather, flood
City of South Gate Hazard June 2018 Mitigation Plan Final Plan 75 1.3 Expand participation in the NotifyMe program to notify the community in the event of an occurring or imminent hazardous situation, including a need to evacuate. The program should support all commonly spoken languages and can be advertised through multiple methods (door-to-door notifications, phone, Fund, television, radio, and online/social media). Coordinate City Manager, General N/A 2020 Medium with the Los Angeles County Operational Area for best Police grant funding practices and for consistency with notification systems for surrounding communities.
Hazards mitigated: drought, seismic hazards, extreme heat, hazardous materials, severe weather, flood, disease/pest management, dam failure 1.4 Conduct a comprehensive and ongoing education campaign to improve awareness of hazard threats and ways to reduce risks. The campaign should include mailings, in-person workshops and events, and media notifications (television, radio, online/social media, The campaign should be designed to reach all etc.). City Manager, General Fund, of the community, and should include N/A 2019 Medium members Police grant funding materials in commonly spoken languages in the community, including English and Spanish.
Hazards mitigated: drought, seismic hazards, extreme heat, hazardous materials, severe weather, flood, disease/pest management dam failure
City of South Gate Hazard Mitigation Plan June 2018 Final Plan 76 Mitigation Actkn ) 1.5 Update all emergency-related planning documents every five years to ensure consistency with state and federal law, best practices, local conditions, and recent science. Integrate the hazards research findings and Community Emergency Operations actions in this Local Hazard Mitigation Plan with all City Development General Fund, Plan, Hazard emergency planning efforts and programs. and Police grant funding 2019 Medium Department Mitigation Plan, Safety Hazards mitigated: drought, seismic hazards, extreme heat, Element hazardous materials, severe weather, flood, disease/pest management, dam failure 1.6 Adopt, implement, and actively enforce the current state building code. General Fund, Community development Development Municipal Code Ongoing Low Hazards mitigated: drought, seismic hazards, extreme heat, fees flood
1.7 Adopt a policy to avoid siting new critical public facilities and infrastructure in areas of elevated vulnerability to flooding and seismic hazards. If siting such facilities in areas of elevated vulnerability is General Fund, unavoidable, design facilities to remain operable bonds, Capital City Manager N/A 2019 Low during emergency situations to the greatest extent Improvement feasible. funds
Hazards mitigated: seismic hazards, flood
1.8 Coordinate with LA County Public Works to designate Firestone Boulevard as an official County Disaster Route. Public Works General Fund N/A 2019 Low Hazards mitigated: seismic hazards, hazardous materials, severe weather, flood, dam failure
City of South Gate Hazard Mitigation Plan June 2018 Final Plan 77 1.9 Monitor and pursue hazard mitigation funding opportunities. Community Development, General Fund N/A Ongoing Low Police, Public Hazards mitigated: drought, seismic hazards, extreme heat, Works hazardous materials, severe weather, flood, disease/pest management, dam failure 2. Drought
2.1 Identify and pursue alternative sources of water in Ongoing Medium coordination with WRD to support potential shortages Public Works Water Funds N/A of deliveries from the Metropolitan Water District. 2.2 Work with regional partners, including the Los Angeles Unified School District and the Central Basin Water water master plan, with District, to develop a recycled PublicWorks WaterFunds N/A 2019 Low the intention of identifying financially feasible approaches to expanding recycled water infrastructure throughout the City. existing water 2.3 Construct additional or upgrade Public Works WaterFunds N/A 2019 Low storage/ conveyance facilities. for residents 2.4 Offer reduced-cost or free water audits Public Works Water Funds N/A Ongoing Low and businesses.
2.5 Publicize available rebates and other financial Works Water Funds N/A Ongoing Low . Public incentives• • for equipment that reduces water use. 2.6 As part of discretionary review, encourage new Community Project Review residential buildings in a recycled water service area to Water Funds Ongoing Low • •include dual plumbing for potable and nonpotable Development Process water sources. Parks and areas with 2.7 Continue retrofitting publicly landscaped Recreation, Water Funds N/A Ongoing Low landscaping. artificial turf or drought-tolerant Public Works
City of South Gate Hazard Mitigation Plan June 2018 Final Plan 78 ______
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2.8 Require Urban Water Management Plan updates to Urban Water consider more severe and long-lasting drought Public Works Water Funds Management 2020 Low scenarios. Plan 3. Seismic Hazards 3.1 Retrofit City-owned facilities and infrastructure, General Fund, including water storage tanks, to increase resiliency to City Manager, bonds, Capital seismic hazards and to remain operable immediately Public Works Improvement N/A 2019 High after seismic events. funding 3.2 If deemed necessary, conduct a seismic study for Community General Fund, public buildings and infrastructure and retrofit Development, N/A grant funding 2020 Medium facilities based on findings and available funding. Public Works 3.3 Conduct a seismically vulnerable private building General Fund, inventory, with a focus on unreinforced masonry and Community grant funding, N/A “soft-story” buildings, and develop a prioritized list of Development development 2020 Medium recommended phasing for retrofits. fees 3.4 Adopt a phased ordinance for seismic retrofits to require existing unreinforced buildings to meet General Fund, Community current seismic standards. Identify and secure to the development Development Municipal Code 2020 Medium extent possible funding to assist property owners with fees retrofit costs.
3.5 In coordination with state and regional agencies, conduct seismic evaluations of infrastructure owned by other agencies in the City, including electrical wires Public Works General and natural gas pipelines, and identify funding sources Fund N/A 2020 Medium to conduct seismic retrofits of vulnerable infrastructure.
City of South Gate Hazard Mitigation Plan June 2018 Final Plan 79 4. Extreme Heat
4.1 On public facilities, conduct energy-efficiency audits, General Fund, and install grant funding, retrofit buildings to increase efficiency, City Manager, on the electrical grid bonds, Capital N/A 2019 Medium solar panels to reduce demand Public Works (increasing its resiliency during heat waves) and to Improvement save money and generate municipal revenue. funding
4.2 Encourage solar panels on new and existing developments by widely publicizing available working with local incentives and financing options, Community to lower-income General Fund N/A 2018 Medium PACE providers to expand outreach Development and non-English-speaking neighborhoods, and participating in programs to reduce the cost of solar panels for residents. 4.3 Require new nonresidential and multifamily roofing development to incorporate high-reflectivity General Fund, Community and surface materials, shade trees, shade structures, development Municipal Code 2018 Medium Development and/or other infrastructure features to reduce human fees exposure to extreme heat and to mitigate the urban heat island effect.
4.4 Upon discretionary review for significant remodels, General Fund, Community Project Review require owners of existing parking lots to install development 2018 Medium Development Process infrastructure features to increase shade and reduce fees the urban heat island effect. 4.5 Work with community groups to identify and secure air conditioner units funding to install energy-efficient Community General Fund, particularly for homes of N/A 2021 Low for homes without AC access, Development grant funding lower-income residents, the elderly, and persons with disabilities.
City of South Gate Hazard Mitigation Plan June 2018 Final Plan 80 4.6 Educate all outdoor City workers, including construction, landscaping, maintenance, and Administrative General Fund recreation staff, about the risks posed by extreme heat Services N/A 2021 Low and how to reduce them.
4.7 Include extreme heat as a hazard in the City’s Emergency Operations Plan with clear guidelines to: • Designate public buildings and other community facilities as cooling centers that are easily accessible by all residents in all parts of South Gate, including Emergency individuals with limited mobility. Police General Fund 2021 Low Operations Plan • Distribute information about cooling centers. • Establish a temperature threshold as a minimum standard for opening and operating cooling centers.
5. Hazardous Materials 5.1 As part of the development review process, require all hazardous material storage tanks meet or exceed all General Fund, required Community Project Review and recommended safety standards, development 2019 Development Process Medium including resiliency to natural hazards such as flooding fees and seismic hazards. 5.2 Consult with Union Pacific Railroad (UPRR) on potential land use issues and safety concerns associated with the railroad rights-of-way in the City. Comm unity General Fund As part of the consultation, UPRR should provide the Development N/A 2019 Medium City with its emergency response and recovery plans for assets located in the City.
City of South Gate Hazard Mitigation Plan June 2018 Final Plan 81 5.3 As part of the development review process, continue prior to General Fund, to require soil testing for hazardous materials Community Project Review permits if risks from development 2021 Low construction activity, and to deny Development Process any hazardous materials are not mitigated to a fees generally safe level. 5.4 Review the zoning ordinance and map and amend Community Municipal Code; allowed uses to prevent siting facilities which may General Fund 2021 Low manufacture, store, use, transport, or allow hazardous Development Zoning Map materials near residential areas or other sensitive uses. 6. Flooding General Fund, in areas that bonds, Capital 6.1 Upgrade storm drain infrastructure Public Works N/A Ongoing High frequently pond during strong rains. Improvement funding
Community associated with elevated 6.2 Analyze the flood potential Development, General Fund N/A 2019 High reservoir failure in the community. Public Works
6.3 Monitor the effectiveness of current requirements for new developments to handle stormwater on-site, to Comm unity General Fund, the extent possible, through the use of permeable Development, development N/A 2020 Medium paving and other low-impact development strategies, Public Works fees and update the requirements as needed. General Fund, runoff, 6.4 Retrofit public spaces to reduce stormwater bonds, Capital and Public Works N/A Ongoing Medium including using permeable paving for sidewalks Improvement parking lots. funding
6.5 Provide educational materials to existing property owners about the benefits of installing low-impact Public Works General Fund N/A 2019 Low development stormwater components.
City of South-Gate Hazard Mitigation Plan June2018 Final Plan 82 ______
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6.6 Continue to participate in the National Flood Community Insurance Program and maintain an effective and up- General Fund Development N/A Ongoing Low to-date Flood Plain Management Ordinance.
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funding —
6.8 Continue requiring new development projects to General Fund, Community Project Review reduce potential and existing flooding hazards as part development Ongoing Development Process Low of the development process. fees
7. Severe Weather General Fund, 7.1 Design future key infrastructure to withstand severe bonds, Capital City Manager N/A weather events beyond minimum code specifications. Improvement 2020 Low funding 7.2 Monitor trees and other vegetation near power lines, and promptly inform utility companies if any Public Works General vegetation may threaten power service during severe Fund N/A Ongoing Low weather and/or requires trimming.
8. Disease and Pest Management 8.1 Coordinate with the Los Angeles County Department of Public Health to ensure South Gate residents have access to affordable flu vaccinations, and that City Manager General Fund N/A 2020 Low community members are notified about the availability of flu vaccines.
City South of Gate Hazard Mitigation Plan June 2018 Final Plan 83 8.2 Work with the Greater Los Angeles County Vector Control District to implement pest management from disease vectors, strategies to reduce health risks City Manager General Fund N/A 2020 Low to treat/reduce areas of standing water where mosquitoes may breed, and to support additional mosquito mitigation actions as needed. 9. Dam Inundation of Engineers and the 9.1 Work with the US Army Corps Corn munity retrofit Metropolitan Water District to support Development, General Fund N/A 2019 Medium an inundation risk for activities for dams that may pose Public Works South Gate.
City of South Gate Hazard Mitigation Plan June 2018 Final Plan 84
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105 APPENDIXA - LHMPTEAM DOCUMENTS
1. LHMPTEAMMEETINGDOCUMENTATION
Cit’ of South Gate Hazard Mitigation Plan June 2018 Final Plan A-i
106 Invitation to LHMPTeam
Greetings,
The City of South Gate is currently updating its Local Hazard Mitigation Plan and Safety Element of the General Plan. In support of this project, the City willbe convening a Hazard Mitigation Planning Team and we need your support by designating a participant from your respective departments. As a PlanningTeam member, he/she wilthave an opportunity to work closely with other City staff and discuss the natural and man made hazards that impact your daily work and life in the City of South Gate. With an approved plan in place the City can pursue FEMAgrants as they become available for preemptive safeguard measures from natural and man-made hazards. FEMAgrants can pay for up to 75% of future improvement efforts that can often indude capital improvement projects.
We have hired a consultant to assist the City with this process. During this update, you wilt be expected to participate in the following way: • Attend 4 meetings with your other Hazard Mitigation Planning Team member over a 3-4 month period. Meetings willlast a maximum of 2 hours.
• Provide input on criticalCityfacilities that could be vulnerable to hazards, such as severe weather, flooding, and earthquakes.
• Review materials drafted by the City’sconsultant.
• Provide recommendations and priorities for hazard mitigation projects, programs, and policies to reduce the City’svulnerability.
The participation of every departments is vitally important to this effort. I willfollow up inthe coming weeks to finalize a list of participants. Please contact me for more information or questions.
Sincerely, Alvie
Alvic Betancourt, Snicr Parm Ci futh(’: :‘ou1t- De :pmnt Dart:iit CIifyni A’,nui Scuth Gate CA SQ sbtancmjrtc:at org :j.53c5 ctiroct 5c fa;
Hazard Mitigation Plan City of South Gate Final Plan June 2018 A-2
107 Hazard Final Age Tuesday South
Kick-off
Cityof Local 7. 6. 5. 4. 3. 2. 1. Plan n Mitigation d Work Data Engagement a Staffing Project Gate Project
Introductions Hazard July a. b. a. b. a. b. Meeting
Collection South City Plan Wrap-up Overview Public LHMP/Safety Safety Local Plan 14th, Overview Goals & Communication Hall,
& Mitigation Hazard Schedule & Outreach Element 1:00 & (5 Outreach & and 8650 Expectations of
minutes) Gate (25 Critical — work Mitigation next Element 3:00 minutes) California Review Approach program, (30 steps Facilities p.m.
Protocols Plan minutes) Planning (10 (10 Plan Ave minutes) minutes) (20
key and (5 minutes) Team tasks,
minutes) Safety A-4 and
schedule
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Start
11/15/2015
11/15/2015
10/12/2015
10/07/2015
1/05/2016
1/05/2016
1/05/2016 9/14/2015
10/1/2015
9/15/2015
8/31/2015
7/21/2015
8/10/2015
8/12/2015
8/12/2015
7/21/2015
7/15/2015
7/15/2015
7/14/2015
9/9/2015
8/1/2015
7/1/2015
7/1/2015
7/1/2015
Hazard
End
Mitigation
12/15/2015
10/19/2015
10/07/2015
3/01/2016
2/05/2016
2/05/2016
April
April
12/1/2015
11/1/2015
11/1/2015
10/1/2015 9/14/2015
8/31/2015
8/14/2015
8/12/2015
8/12/2015
7/21/2015
7/31/2015
7/14/2015
7/19/2015
7/19/2015
7/19/2015
Final
9/9/2015
9/1/2015
8/7/2015
2016
2016
TBD
TBD
TBD
TBD
Plan
Plan 114 Attendee
Hazard Final
9
Plan
Mitigation LI 4-, -
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Plan 120 Final Hazard Plan Mitigation We Make a
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Mitigation 16 City of South June 2018 Gate Michael Baker
I NT EN NATIONAL LHMPGoals
• Encourageappropriate floodcontroland prevent negative impacts of newdevelopmentonflood-controlefforts (South Gate GeneralPlan,GreenCityElement,ObjectiveGC 4.1). • Promotecoordinationbetween land-useplanningand urban design,and lawenforcement (South Gate GeneralPlan, PublicFacilitiesElement,ObjectivePF1.2). • Ensurethat allnewdevelopmentincludesadequate provisionfor fire safety (South Gate GeneralPlan,Public FacilitiesElement,ObjectivePF2.2).
WeMakea Difference
Plan City of South Gate Hazard Mitigation June 2018 Final Plan A-17
122 Michael Bakei
I NT ER N ATI ANAL LHMPProject Objectives • Continuedcoordinationwith keystakeholders and other agencies. • Whoare keystake holders to contact? • Aflexibleand engaging publicoutreach campaign. • What are the lessons learned from previous outreach events? • Foster better communicationand coordinationwithin the Cityand surroundingareas. • What Cities/Agencies should be contacted regarding this project? • Address aging infrastructure issues to reduce/minimizefuture hazards and disasters. • What infrastructure is at risk inyour opinion?
VVeMok a Difference
Hazard Mitigation Plan City of South Gate Final Plan June 2018 A-18
123 Michael Baker INTERNATIONAL
r’1 :tw-ri: •.I...., JlL____._ LocalHazard Mitigation Plan (LHMP)DeveLopment
WeMakea Difference
Cityof South Gate Hazard Mitigation Plan June 2018 Final Plan A-i 9
A Michael Baker INTERNATIONAL
Plan Requirements — Hazard Identification and RiskAssessment
Describeall hazards that affect the community. • Providerationale for excludingrecognizedhazards.
Location Extent
Hazard profile
Chanceoffuture Past occurrences events
WeMakea Difference
Hazard Mitigation Plan City of South Gate Final Plan June 2018 A-20
125 Michael Haker INtE1NATIONAL
PlanRequirements — Hazard Identificationand RiskAssessment
Vulnerability Assessment
• City’svulnerability to each hazard • PotentiaLimpacts of each hazard (number and importance of affected structures and areas) • Identifies repetitive loss properties • Includespotential dollar losses
WeMakea kj’erence
City of South Gate Hazard Mitigation Plan June2018 Final Plan
A-21
126 MichaelBake INTEJNATIP3NAI.
PlanRequirements — MitigationStrategy
• Goals • Identificationand analysisof mitigationactions • Comprehensive • Focuson built environment • ActionPlan • Prioritizes actions • Describes implementation and administration • Includescost-benefit review
WeMakea Difference
Hazard Mitigation Plan Cityof South Gate Final Plan June 2018 A-22
127 Michael Baker HTERNATIO NAL
Plan Requirements — MitigationStrategy
Strategy identifies existing authorities, policies, programs,and resources to mitigate hazards
• Includesdescription of participation inNationalFlood InsuranceProgram
WeMakea Difference
City of South Gate Hazard Mitigation Plan June2018 Final Plan A-23
128 MichaelBakei IN T EN NATIONAL
Plan Requirements — PlanningProcess
Describe: • Stakeholders must • Howtheplanwasprepared include: • Whowasinvolved • Localand regionalagencies • Opportunitiesfor publicand involvedinhazard stakeholder involvement mitigation • Reviewand inclusionof Agenciesthat regulate existingplans,reports, development studies, etc. • Neighborhoodcommunities • Continualpublic participation • Monitoringand updatingof the plan
WeMakea Difference
Hazard Mitigation Plan Cityof South Gate Final Plan June 2018 A-24
129 Michael Bakei
I NTERN TI 0 NAL LHMPPlanningTeam
• Agency representatives to advise and contribute to plan preparation • Three LHMPPlanningTeammeetings:
• Meeting1 — Reviewanddiscusshazardmitigation process,and identificationandrankingof hazards
• Meeting2 — Reviewand discussionof the hazard profilesandriskassessment • Meeting3—Reviewanddiscussionofthe draft mitigationactions
WeMakea Difference
Cityof South Gate Hazard Mitigation Plan June 2018 Final Plan A-25
130 Michael Rake,
I NT EN N AT ION A I.
Plan Requirements — PlanningProcess LHMPPlanningTeam
• AdministrativeServices - Finance • CityClerk • CityManager • CommunityDevelopment • Fire(LosAngelesCountyFire Department) • Parks &Recreation • Police • PublicWorks
W’ Make a Difference
Hazard Mitigation Plan Cityof South Gate Final Plan June 2018 A-26
ill TechnicalAdvisoryCommittee (LHMPPlanningTeam) CaliforniaHighwayPatrol • LosAngelesCountyFire Department • CityofCudahy • LosAngelesCountyFloodControl • Cityof Downey District • Cityof HuntingtonPark LosAngelesDepartmentof Water • CityofLynwood and Power • Cityof Paramount • LosAngelesUnifiedSchoolDistrict • Countyof LosAngelesPublic • WaterBoards Library- South Gate Branch, • Southern CaliforniaAssociationof LelandR.WeaverLibrary Governments • SchultzSteel (employer) • KuzManufacturing(employer) Southern CaliforniaEdison • LosAngeles CountyRegional • South Gate Chamberof Commerce PlanningOffice
WeMakea Difference
City of South Gate Hazard Mitigation Plan June 2018 Final Plan A-27
132 Final Hazard Plan Mitigation We Make
• • • a Difference
Provide expertise process Facilitate Do Plan
the
Our
heavy
technical
the
job
Responsibilities
work A-28
• • • •
feasible Participate needs Ensure Groundtruthing plan Make
Your
final
plan
and
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decisions
is
meets
the City of South June 2018 Gate
133 Michael Bakei INTERNATIONAL Data Needs
• Everyperson can providevital data GiSdata • Informationand experience about past events Institutionalknowledge • Ifyou have useful data, please contact A/vieBetancourt (323) 563-9526 abetancourta?sogate. org
WeMakea Difference
City of South Gate Hazard Mitigation Plan June 2018 Final Plan A-29
134 MichaelBaker
IN I EN N All ON AL
I
Engagement and Outreach
WeMakea Difference
Hazard Mitigation Plan City of South Gate Final Plan June2018 A-30
135 Michael Baker INTERNATI ENAL Public Outreach Stratev OutreachO$’tions
OriginalProposal Option1 Option2 f OnlineSurvey 2 PMCstaff @1 PMCProjectManager@ communityevent 1 traditional workshop
Twopublicworkshops Outreachtrainingfor City 1 PMCstaff member @1 staff communityevent 1OOO ‘/ page, color Reducedquantity of 1/2 project flyers and booth page,colorproject flyers materials and booth materials Press release
1 project PPTand talking points for additionalCity staff outreach
WeMakea Difference
Cityof South Gate Hazard Mitigation Plan June 2018 Final Plan
A-31
136 Michael Baker INTERNATIONAL
.•. . CriticalFacilities
WeMakea Difference
Hazard Mitigation Plan City of South Gate Final Plan June 2018 A-32
137 June City of 2018 South Michael NT EN
Gate • N All
Baker City N ‘. • • • • N AL Center South Administration Parks Clubhouse South South Parks Parks Parks City Facilities of & & &
& Critical Gate Gate Gate South Recreation Recreation Recreation Recreation Senior Golf Girls Gate Course City - - -
- Facilities, Hall A-33 .1. • • • • • • Center Westside Police Resource Stadium Hollydale Parks Resource Parks South Parks Center South Parks & & & & Information Gate
Gate Part Recreation Recreation Recreation Recreation Center Community Community Center Swim
Sports I - - - - Hazard Mitigation Final Plan Plan 138 •1. • Critical 1-acilities,Part II
• CountyFacilities a San MiguelElementary School • L.A.CountyFireStation #57 • LibertyBoulevard ElementarySchool • South Gate SeniorHigh School • HollydaleElementary School • OdysseyContinuation School • BrysonAvenueElementary School • FaithChristianAcademy • SanGabrielAvenue • AcademiaBetel ElementarySchool South GateMiddleSchool • IndependentElementary • State Street Elementary School School • St. HelenElementary • VictoriaAvenueElementary School School • RedeemerLutheranSchool • Stanford Avenue • LollypopLanePre-School ElementarySchool andKindergarten
WeMakea Difference
Hazard Mitigation Plan City of South Gate Final Plan June 2018 A-34
139
June2018
City
of South We
INTERNATIONAL Michael
Make Gate
a
Difference
Prio
Hazard
Bakei
ritizatlo
Identification
n
A-35
and
Hazard
Mitigation
Final
Plan
Plan 140 Michael Baker
iN 7 E P N Al 0 N A I FEMA-Suggested Hazards Avalanche Flood Seismichazards
Climatechange Geologicalhazards Coastalerosion Hailstorm Tornado oas1:lstorm
Damfailure Human-causedhazards Volcano Disease/pest Hurricane Wildfire management Drought Landsubsidence Wind
Expansivesoils Liquefaction
IIIIIIIIIIIIIII’,
WeMakea Difference
Hazard Mitigation Plan City of South Gate Final Plan June 2018 A-36
141 Relevant Hazards
Flood Seismichazards Climatechange Geologicalhazards Severe winterstorm Hailstorm Tornado Hazardousmaterials Damfailure Human-causedhazards
Disease/pest Wildfire management Drought Landsubsidence Wind IIIII!!,mmfuIMIIi lbIIiOiIii Expansivesoils Liquefaction
WeMakea Dierence
City of South Gate Hazard Mitigation Plan June 2018 Final Plan A-37
142 Hazardrrioritzation- . . .
• Fourcriteria [Weightings] • Everycriteria has an • Probability(likelihoodof ImportanceScore occurrence)12.01 • Canbeusedtoweighthe • Location(sizeof potentially influenceof an individual affected area) [0.8] criterion • MaximumProbableExtent • Criteriaand Importance (intensityof damage)[0.7] valuesare combinedto • SecondaryImpacts calculatea TotalScore (severityof impactsto community)[o.s] • Avalueof 1-4 is assigned for each criteria
WeMaka Difference
Hazard Mitigation Plan City of South Gate Final Plan June 2018 A-38
143 ____I
MichaelBaker INTERN Nfl DR AL Score Example:Windstorm SecondaryImpact AffectedAreaScore PrimaryImpactScore Impact Score (3.2) (1.4) (0.5) I
Impact cor : 3.2 + 1.4 + 0.5 = 5.1
-r i’ ProbabiLity itai ImpactScore Score (5.1) (6)
Sc: 5.1 x 6 = 30.6
Low: Medium: 0-12 12.1-42
WeMakea Dirference
City of South Gate Hazard Mitigation Plan June 2018 Final Plan A-39
144 Hazard Final
Plan
Mitigation INTERNATIONAL
We
Michael
Make
Assessment Task Data Kick-off
Draft SE Draft Outreach documents Initiate Draft Public FEMA City
a
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Difference
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Council
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and
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and
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and
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A-40
July July Timeframe
August August
November January October To By November
be
April
14, -
August
determined
2015
- 2015
2016
2016,
2015
September
2015 -
December
2015
following
2015
2015
FEMA
review
City
of
South
June
2018
Gate
145 Michael Bakei
N TERN AT ION AL
Questions/Comments?
A/vie:abetancourtsogate. org Aaron:pfannenstie(@mbakerintI.com Chr/s:[email protected]
Cityof South Gate Hazard Mitigation Plan June 2018 Final Plan A-41
146 Meeting Materials
South Gate Local Hazard Mitigation Plan and Safety Element Update Project Management Team
Meeting 1:Augustl2, 2015
Included Materials:
• Meeting agenda • Preliminary Goals of the Project • LHMPStakeholders • Critical Facilities • Public Outreach Strategy • Sign-In Sheet • Presentation
Hazard Mitigation Plan cityof South Gate Final Plan June 2018 A-42
147 June2018 City South Agenda Wednesday
LHMP
City Local of 7. 8. 4. 6. 5. 3. 2. 1. South Next Hazard Review Gate Review Review Preliminary Review
Introductions of
Meeting Hazard Gate
Steps South City August Prioritization Critical Hazard Public LHMP Hall, #1
Project Mitigation (5 12th, Stakeholders Outreach Facilities Profiles 8650
minutes) Gate Goals 1:00 Exercise California Information Strategy (10 — (10
3:00 Plan (5 minutes) minutes) (30 minutes) Ave p.m. (10
minutes) and (30 minutes)
minutes) Safety
A-43
Element Update Hazard Mitigation Final Plan Plan 148 Preliminary LHMP Final Hazard 3. 1. 2. • Plan 3. 4. 2. 5. 9. 6. 8. 7. 1. 10. 13. 14. 11. 22. 15. 12. 20. 17. 16. 21. 18. 26. 23. 19. 27. 24. 25. 28. Mitigation Encourage (South Plan, Ensure Promote Facilities City City City City City City City Golden County East Tweedy Southeast Los Southern Los Los South Los Hollydale MWD MTA Los Los Walnut Southern Southern Los Waste
Stakeholders Public Angeles Angeles Angeles Angeles Angeles Angeles Angeles of of of of of of of LA Gate that Gate Cudahy Element, coordination Lynwood Downey Huntington Bell Paramount Los Plan Management of Community State Mutual Mile appropriate all Facilities California California Library California General Los Area Angeles Gardens Chamber County County County County County Department Unified new Water Association Angeles
Goals Water Animal Objective development Plan, Park Element, - College Association Supervisor Operational Regional Flood Gas Fire Edison School Company between Council flood of Public Control Green Commerce Company Department of (TMA) Control PF
of control District Water (Satellite Objective District Planning Library 2.2). land-use City Office includes Authority of
the Area District and Governments and Element, Representative (Administrative Campus) (District E (Westmont/West PF Power planning prevent adequate
Project 1.2). (SEAACA) Objective 1) negative and A-44 provision urban Office) GC Athens) impacts 4.1). design, for fire of and safety new law development (South enforcement Gate on General (South
flood-control City Plan, Gate of South Public General June
efforts 2018 Gate
149 Critical Facilities
Facility Address City of South Gate City Hall 8650 California Avenue Public Works Corporate Yard 4244 Santa Ana Street Parks & Recreation - Administration 4900 Southern Avenue Parks & Recreation - South Gate Girls Clubhouse 4940 Southern Avenue
a) Parks & Recreation - South Gate Golf Course 9615 Pinehurst Avenue c) LJ Parks & Recreation - South Gate Senior > Center 4855 Tweedy Boulevard L) Parks & Recreation - South Gate Sports Center 9520 Hildreth Avenue Parks & Recreation - Hollydale Community Resource Center 12221 Industrial Avenue Parks & Recreation - Westside Community Resource Center 9200 State Street County LACounty Fire Station #54 4867 Southern P1 Facilities L.A.County Fire Station #57 5720 Gardendale Avenue High Tension Power Lines Other Water Infrastructure (Well Sites and Facilities Reservoirs) Confidential
. 4470 Missouri Avenue, South Gate, CA Bryson Avenue Elementary School 90280 5511 Century Boulevard, South Gate, CA Hollydale School 90280 8435 Victoria Avenue, South Gate, CA Independence Elementary School 90280 2728 Liberty Boulevard, South Gate, CA Liberty Boulevard Elementary School 90280 9820 Madison Avenue, South Gate, CA Madison Elementary School 90280 10018 Montara Avenue, South Gate, CA Montara Avenue Elementary School 90280 8628 San Gabriel Avenue, South Gate, CA San Gabriel Avenue Elementary School 90280 9801 San Miguel Avenue, South Gate, CA San Miguel Elementary School 90280 2525 Firestone Boulevard, South Gate, CA South Gate Community Adult School 90280 Stanford Avenue Elementary School 2833 Illinois Avenue, South Gate, CA90280 3020 Kansas Avenue, South Gate, CA Stanford Primary Center School 90280
Cityof South Gate Hazard Mitigation Plan June 2018 Final Plan A-45
150 3211 Santa Ana Street, South Gate, CA State Street Elementary School 90280
. 9724 Pinehurst Avenue, South Gate, CA Tweedy Elementary School 90280 3320 Missouri Avenue, South Gate, CA Victoria Avenue Elementary School 90280 4100 Firestone Boulevard, South Gate, CA South Gate Middle School 90280 2560 Tweedy Boulevard, South Gate, CA Southeast Middle School 90280 8693 Dearborn Avenue, South Gate, CA Odyssey Continuation School 90280 2720 Tweedy Boulevard, South Gate, CA South East High School 90280 3351 Firestone Boulevard, South Gate, CA South Gate Senior High School 90280 International Studies Learning Center School 2701 Sequoia Drive, South Gate, CA90280 Saint Helen School 9329 Madison Aye, South Gate, CA Redeemer Lutheran Church & School 2626 Liberty Blvd, South Gate, CA South Gate Montessori Preschool 10108 California Aye, South Gate, CA Aspire Firestone Academy 8929 Kauffman Aye, South Gate, CA90280 Willow Elementary 2777 Willow Place, South Gate, CA90280 Valiente Elementary College Prep 8691 California Aye, South Gate, CA90280 Soledad Charter School 3616 Missouri Aye, South Gate, CA90280 4513 Tweedy Boulevard, South Gate, CA Kid’sForum 90280 8420 South Gate Avenue, South Gate, CA Great Commission Baptist School 90280 13067 Paramount Blvd, South Gate, CA Kiddie Crest Academy 90280 Pilgrim Baptist Academy 2702 Glenwood P1,South Gate, CA90280 Legacy High School 5225 Tweedy Blvd, South Gate, CA90280
Hazard Mitigation Plan Cityof South Gate FinalPlan June 2018 A-46
151
June
City
Public
of
•
•
•
•
•
2018
South
with
Conduct
Allow
Distribute
Develop
Disseminate
Gate
community
Outreach
distribution.
opportunities
an
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an
information
online
community
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distribution
survey
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via
Strategy
workshop
to
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stakeholders
gather
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page,
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from
sources
A-47
in
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and
City’s
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and
the
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to
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flyers
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City
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and 152 Attendee Final Hazard Jessica Glenn Name Sheri Richard Nick Jim Guillermo Rosemary Alvie Kim Chris Edward Teeples Plan Sao Berkuta Castillo Koomen Betancourt Mitigation Massey iimenez J. Perez Luna Vivero Petra Plan
Sign-In Administration Department/Company Community Parks Department Department Department LA Development Police Public LA Department Finance Police Police Development Community Pu blic County County and
Sheet Works Department Works Department Department Department Recreation Fire Fire Water Telephone 323-563-9508 323-585-5857 323-563-5448 323-563-5483 323-357-9614 323-864-7281 2 323-595-9627 562-999-2980 323-563-5453 323-563-9526 13-215-2193 A-48 [email protected] Email [email protected] [email protected] gpetracsogate.org [email protected] nberkutafire.lacounty.gov [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] City of South June 2018 Gate 15
June
City
Meeting
of
2018
South
Gate
1
Presentation
A-49
Hazard
Mitigation
Final
Plan
Plan
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Final
INTERNATIONAL
Michael We
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A-50
City
of
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June
2018 Gate Cityof South Gate HazardProfiles
WeMakeoDifference
City of South Gate Hazard Mitigation Plan June 2018 Final Plan
A-51
156 HazardProfileComponents
Identification of the Hazard • Profile of the Hazard . Location ‘ Extent Past Occurrences Probabilityof Future Occurrences ClimateChangeConsiderations • Vulnerabilities/ RiskAssessment Utilities Considerations
WeMakearJEffrrn.ncc
Hazard Mitigation Plan City of South Gate Final Plan June 2018 A-52
157
June2018
City
We of
INTERNATIONAL
Iichael
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Expansive
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Human-caused
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Geological
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Hurricane
Hailstorm
subsidence
FLood
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A-53
and
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mudflow
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Hazards
Severe
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Windstorm
Tsunami
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Tornado
Volcano
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City
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June
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159 Michael Baker
I NT ERA ATI ON Al DamFailure
U Locationand Extent Theentire city (see dam inundationzones) • Past Occurrences Twodam failures occurred since 1900 (Southern California) 5 Probabilityof Future Occurrences Low,modern dams are highlyunlikelyto fail.However, extreme seismic shaking couldcause dam failure. ClimateChangeConsiderations Morefrequent periods of intense precipitation, leadingto a potential rise inflood events and increased vulnerabilityto steams/dams.
WeMake a Offcreace
City of South Gate Hazard Mitigation Plan June2018 Final Plan A-55
160 ______
• Michael NT ERN AT ION AL
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Hazard Mitigation Plan City of South Gate Final Plan June 2018 A-56
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City
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June
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163 Drought
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Cityof South Gate Hazard Mitigation Plan June 2018 Final Plan A-59
164 Hazard
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City
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June
2018
Gate
165 Michael Bake INTERNATIONAL Extreme Heat • Locationand Extent The entire city Past Occurrences • Onaverage 4 extreme heat days per year
1 Onaverage 0-1 heat wave per year • Probabilityof Future Occurrences • Highcertainty that extreme heat conditions will occur inthe future. • ClimateChangeConsiderations • Future climate conditions could increase the number of extreme heat events. 15-35 extreme heat days expected by 2050.
WeMakeaOfference
Cityof South Gate Hazard Mitigation Plan June2018 Final Plan A-61
166 _____
Michael NT ERN ATI ON AL Flood • Locationand Extent Nearly all of the city east of South Gate park located in 500-year floodplain. LARiverand RioHondoidentified as 100-year floodplain. Past Occurrences From 1950 to 2012, Los Angeles County had 32 state and federally-declared flood disasters, the second highest of any county inthe state (localdata needed). Probabilityof Future Occurrences • It is anticipated that urban flooding willcontinue to occur during wet winter storms. ClimateChangeConsiderations • Increase storm intensity could increase urban flooding issues within the City.
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Hazard Mitigation Plan Cityof South Gate Final Plan June 2018 A-62
167
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A-64
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June
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Gate
169 ______
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City of South Gate Hazard Mitigation Plan June 2018 Final Plan A-65
170 Michael Bake
INTERN Al ION A t SeismicHazards • Locationand Extent The entire city (forground shaking and Liquefaction) Past Occurrences Multiple,including1933,1971, 1987,and 1994 earthquakes (LocalDamage?) Probabilityof Future Occurrences 100% chance of 6.0 or greater quake in Southern California by 2044 (75% of 7.0 or above) ClimateChangeConsiderations • No effect on primary hazards Potential but unknown effect on secondary hazards
WeMokeo Ofference
Hazard Mitigation Plan City of South Gate Final Plan June 2018 A—66
171 Michael Baker NTE RN ATI ONAL I :/ t / 1.65g
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Legend I South Gato City limits Maximum Considured Euritiquake I’ Ground Motion 02 Iou 404.1w Lh1rIH.rd F:rS,ortEUu0ji, 1.45g 1,45 9 1.55g 1.65g
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172 Michael Bake INTERN ATIAL
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Hazard Mitigation Plan Cityof South Gate FinalPlan June 2018 A68
173 Michael Baker
I NT ERN ATI ON EL Severe Weather S Locationand Extent The entire city Past Occurrences Highwindevents (e.g.Santa Anas)occurfrequently ‘ Hailand tornadoes are rare, but not unknown • Probabilityof Future Occurrences • Likely,greater chance for severe windevents ClimateChangeConsiderations • Unknownimpact on severe windevents Possible increase insevere storms (hailand/or tornadoes)
WeMake a Ofference
City of South Gate Hazard Mitigation Plan June 2018 Final Plan A-69 174 Michael Baker INTERN A ION AL
HazardPrioritization
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Hazard Mitigation Plan City of South Gate Final Plan June 2018 A-70
175
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June
2018
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177 Michael Bake NT ERN ATI ON AL Score Example:Windstorm SecondaryImpact AffectedArea Score PrimaryImpactScore Score (3.2) (1.4) 4J (0.5) :3.2+1.4+0.5=5.1
Probability Totai ImpactScore S: Score (5.1) (6)
5.1x6=30.6
Low: Medium: I,’ 0-12 12.1-42 .J up
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City of South Gate Hazard Mitigation Plan June 2018 Final Plan A-73
178 Michael Baker NT ER N All ORAL Timeline Task Timeframe Meeting #2 August 12, 2015 Data Collection,Hazards Profiles, and Risk July - August 2015 Assessment Initiate PublicOutreach August 2015
SE PolicyFramework August - September 2015 Draft LHMPcomplete October 2015 Draft SE and CEQAdocuments compLete November2015 Public ReviewDraft LHMFSE,CEQA November - December 2015 documents complete Draft LHMPsubmitted to FEMA January 2016 FEMAreview Tobe determined City Counciladoption ByApril2016,followingFEMAreview
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Hazard Mitigation Plan City of South Gate Final Plan June 2018 A—74
179
June2018
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Michael
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Questions/Comments?
Aaron:
Alvie:
apfannenstie1mbakerint1.com
abetancourtasogate.
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org
Hazard
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Plan 180 Included
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•
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South
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A-76
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City
Team
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South
June
2018
Gate
181 Hazard June City
Hazard Drought Seismic Hazards Extreme Materials Hazardous of 2018 South Heat Gate
Issues
Issues •Water •Water •Water •Other: •Landscaping: •Awareness •Vulnerable •Soil •Vulnerable •Other: •Other: •Other: •Cost •Access •Other: •Other: •Sensitive • •Other: Other: Other: Other: Urban Other: Proximity Education Studies of
and Supply: Quality: Demand: Forest: to Electricity: Receptors Cooling to and and Public Private / Train Building
Mitigation Awareness Outreach: Structures: Centers: Lines Structures: Code Compliance: A-77
Action
Development
Possible
Mitigation
Actions Hazard Mitigation Final Plan Plan
182 Hazard Issues Possible Mitigation Actions
Severe •Property Maintenance Weather •Landscape and Tree Maintenance •Public Awareness •Other: •Other:
Flood Flood Infrastructure: •Stormwater: •Water Quality: Non-Flood Zone Ponding: Other: Other:
Disease/Pest •Diseased Trees Management •West NileVirus •Other: Qther:
Dam Failure •Evacuation Routes •Public Awareness and Education •Local Flood Control Infrastructure Other: •Other:
HazardMitigationPlan Cityof South Gate FinalPlan June 2018 A-78 183
June2018
City
Alvie
Attendee JimTeeples
Chris
Edward
Kim
Sheri
Rosemary
Guillermo
Jessica
Nick
Glenn
Richard
Name
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Department
and
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Department
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Development
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Department
323-563-9526
323-595-9627
323-563-5453
323-864-7281
562-999-2980
213-215-2193
323-563-5483
323-357-9614
323-585-5857
323-563-5448
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A-79
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City of South Gate Hazard Mitigation Plan June2018 Final Plan A-81
186 Hazard
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June
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187
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Planning
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June
2018
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215 Mitigation Goals 1. Enhanced protection of life and property from hazard impacts. 2. Municipal and emergency operations are fully functional during disasters. 3. Strengthened partnerships within the community and throughout the region that enhance hazard mitigation, preparation, response, and recovery capabilities. 4. Educated and empowered community members prepare for, mitigate, respond to, and recover from hazards that affect their family and property.
City of South Gate Hazard Mitigation Plan June 2018 Final Plan A-ill 1. Multiple Hazards
1.10 Adopt, implement, and actively enforce the current state building code.
Hazards mitigated: drought, seismic hazards, extreme heat, flood
1.2 Adopt a policy to avoid siting new critical public facilities and infrastructure in areas of elevated vulnerability to flooding and seismic hazards. If siting such facilities in areas of elevated vulnerability is unavoidable, design facilities to remain operable during emergency situations to the greatest extent feasible.
Hazards mitigated: seismic hazards, flood
1.3 Work with utility companies and non-city agencies, including Southern California Edison, Southern California Gas Company, Los Angeles Metro, and telecommunication providers, to harden infrastructure to be more resilient to hazard situations, helping to provide safe service during emergency situations and to quickly fix any service interruptions.
Hazards mitigated: seismic hazards, severe weather, flood
1.4 Expand participation in the NotifyMe program to notify the community in the event of an occurring or imminent hazardous situation, including a need to evacuate. The program should support all commonly spoken languages and can be advertised through multiple methods (door-to-door notifications, phone, television, radio, and online/social media). Coordinate with the Los Angeles County Operational Area for best practices and for consistency with notification systems for surrounding communities.
Hazards mitigated: drought, seismic hazards, extreme heat, hazardous materials, severe weather, flood, disease/pest management, dam failure
Hazard Mitigation Plan City of South Gate Final Plan June 2018 A-112 1.5 Conduct a comprehensive and ongoing education campaign to improve awareness of hazard threats and ways to reduce risks. The campaign should include mailings, in-person workshops and events, and media notifications (television, radio, online/social media, etc.). The campaign should be designed to reach all members of the community, and should include materials in commonly spoken languages in the community, including English and Spanish.
Hazards mitigated: drought, seismic hazards, extreme heat, hazardous materials, severe weather, flood, disease/pest management, dam failure
1.6 Update and expand the City’s Street Tree Master Plan to cover the following topics: Attaining “Tree City USA” designation. • Tree maintenance including canopy and root maintenance with an emphasis on maintaining buffers between canopies and critical infrastructure. Drought-tolerant and shade-providing tree palettes. • Tree vulnerability to high winds, with direction to replace vulnerable trees with more resilient species. Mitigating tree pest and disease impacts. • Actions and funding sources expand the City’s shade tree stock. • Best practices for private property plant selection and tree maintenance.
Hazards mitigated: drought, extreme heat, severe weather
1.7 Coordinate with LA County Public Works to designate Firestone Boulevard as an official County Disaster Route.
City of South Gate Hazard Mitigation Plan June 2018 Final Plan A-113 Hazards mitigated: seismic hazards, hazardous materials, severe weather, flood, dam failure
1.8 Update all emergency-related planning documents every five years to ensure consistency with state and federal law, best practices, local conditions, and recent science. Integrate the hazards research findings and actions in this Local Hazard Mitigation Plan with all City emergency planning efforts and programs.
Hazards mitigated: drought, seismic hazards, extreme heat, hazardous materials, severe weather, flood, disease/pest management, dam failure
1.9 Monitor and pursue hazard mitigation funding opportunities.
Hazards mitigated: drought, seismic hazards, extreme heat, hazardous materials, severe weather, flood, disease/pest management, dam failure
2. Drought
2.1 Adopt and enforce the State Model Water Efficient Landscaping Ordinance.
2.2 Work with regional partners, including the Los Angeles Unified School District and the Central Basin Water District, to develop a recycled water master plan, with the intention of identifying financially feasible approaches to expanding recycled water infrastructure throughout the city.
2.3 Amend the Municipal Code to require that water fixtures in new buildings be more efficient than otherwise required by state law.
Hazard Mitigation Plan City of South Gate Final Plan June 2018 A-114 Mitigation Action Priority
2.4 Construct additional water storage facilities.
2.5 Identify and pursue alternative sources of water to support potential shortages of deliveries from the Metropolitan Water District.
2.6 Work with the Golden State Water Company to help ensure a sufficient long-term supply of water to the southeast portion of the community.
2.7 Offer reduced-cost or free water audits for residents and businesses.
2.8 Publicize available rebates and other financial incentives for equipment that reduces water use.
2.9 Amend the Municipal Code to require new nonresidential buildings in a recycled water service area to include dual plumbing for potable and nonpotable water sources.
City of South Gate June2018 Hazard Mitigation Plan Final Plan A-115 Mitigation Acti
2.10 As part of discretionary review, encourage new residential buildings in a recycled water service area to include dual plumbing for potable and nonpotable water sources.
2.11 Continue retrofitting publicly landscaped areas with artificial turf or drought-tolerant landscaping.
2.12 Require Urban Water Management Plan updates to consider more severe and long-lasting drought scenarios.
3. Seismic Hazards
3.1 Conduct a seismic study for public buildings and infrastructure and retrofit facilities based on findings and available funding.
3.2 Conduct a seismically vulnerable private building inventory, with a focus on unreinforced masonry and “soft-story” buildings, and develop a prioritized list of recommended phasing for retrofits.
3.3 Adopt a phased ordinance for seismic retrofits to require existing unreinforced buildings to meet current seismic standards. Identify and secure to the extent possible funding to assist property owners with retrofit costs.
3.4 In coordination with state and regional agencies, conduct seismic evaluations of infrastructure owned by other agencies in the city, and identify funding sources to conduct seismic retrofits of vulnerable infrastructure. City of South Gate Hazard Mitigation Plan June 2018 Final Plan A-116 3.5 Retrofit City-owned facilities and infrastructure, including water storage tanks, to increase resiliency to seismic hazards and to remain operable immediately after seismic events.
4. Extreme Heat
4.1 On public facilities, conduct energy-efficiency audits, retrofit buildings to increase efficiency, and install solar panels to reduce demand on the electrical grid (increasing its resiliency during heat waves) and to save money and generate municipal revenue.
4.2 Encourage solar panels on new and existing developments by widely publicizing available incentives and financing options, working with local PACE providers to expand outreach to lower-income and non-English- speaking neighborhoods, and participating in programs to reduce the cost of solar panels for residents.
4.3 Work with community groups to identify and secure funding to install energy-efficient air conditioner units for homes without AC access, particularly for homes of lower-income residents, the elderly, and persons with disabilities.
4.4 Require new nonresidential and multifamily development to incorporate high-reflectivity roofing and surface materials, shade trees, shade structures, and/or other infrastructure features to reduce human exposure to extreme heat and to mitigate the urban heat island effect. City of South Gate Hazard Mitigation Plan June 2018 Final Plan A-117 4.5 Upon discretionary review for significant remodels, require owners of existing parking lots to install infrastructure features to increase shade and reduce the urban heat island effect.
4.6 Educate all outdoor City workers, including construction, landscaping, maintenance, and recreation staff, about the risks posed by extreme heat and how to reduce them.
4.7 Include extreme heat as a hazard in the City’s Emergency Operations Plan with clear guidelines to: • Designate public buildings and other community facilities as cooling centers that are easily accessible by all residents in all parts of South Gate, including individuals with limited mobility. • Distribute information about cooling centers. • Establish a temperature threshold as a minimum standard for opening and operating cooling centers.
5. Hazardous Materials
5.1 As part of the development review process, require all hazardous material storage tanks meet or exceed all required and recommended safety standards, including resiliency to natural hazards such as flooding and seismic hazards.
Hazard Mitigation Plan City of South Gate Final Plan June 2018 A-118 5.2 As part of the development review process, continue to require soil testing for hazardous materials prior to construction activity, and to deny permits if risks from any hazardous materials are not mitigated to a generally safe level.
5.3 Review the zoning ordinance and map and amend allowed uses to prevent siting facilities which may manufacture, store, use, transport, or allow hazardous materials near residential areas or other sensitive uses.
5.4 Consult with Union Pacific Railroad (UPRR) on potential land use issues and safety concerns associated with the railroad rights-of-way in the city. As part of the consultation, UPRR should provide the City with its emergency response and recovery plans for assets located in the city.
6. Flooding
6.1 Monitor the effectiveness of current requirements for new developments to handle stormwater on-site, to extent the possible, through the use of permeable paving and other low-impact development strategies, and update the requirements as needed.
6.2 Provide educational materials to existing property owners about the benefits of installing low-impact development stormwater components.
City of South Gate June 2018 Hazard Mitigation Plan Final Plan A-i 19 Mitigation Action Priority
6.3 Upgrade storm drain infrastructure in areas that frequently pond during strong rains.
6.4 Retrofit public spaces to reduce stormwater runoff, including using permeable paving for sidewalks and parking lots.
6.5 Continue to participate in the National Flood Insurance Program and maintain an effective and up-to-date Flood Plain Management Ordinance.
6.6 Continue and expand the regular cleaning and maintenance of City storm drains to ensure they are functioning at full capacity.
of 6.7 Continue requiring new development projects to reduce potential and existing flooding hazards as part the development process.
6.8 Analyze the flood potential associated with elevated reservoir failure in the community. -
City of South Gate Hazard Mitigation Plan June 2018 Final Plan A-120 Mitigation Action Priority
-- 7. Severe Weather
7.1 Design future key infrastructure to withstand severe weather events beyond minimum code specifications.
7.2 Monitor trees and other vegetation near power lines, and promptly inform utility companies if any vegetation may threaten power service during severe weather and/or requires trimming.
8. Disease and Pest Management
8.1 Coordinate with the Los Angeles County Department of Public Health to ensure South Gate residents have access to affordable flu vaccinations, and that community members are notified about the availability of flu vaccines.
8.2 Work with the Greater Los Angeles County Vector Control District to implement pest management strategies to reduce health risks from disease vectors, to treat/reduce areas of standing water where mosquitoes may breed, and to support additional mosquito mitigation actions as needed.
9. Dam Failure
9.1 Work with the US Army Corps of Engineers and the Metropolitan Water District to support retrofit activities for dams that may pose an inundation risk for South Gate.
City of South Gate Hazard Mitigation Plan June 2018 Final Plan A-121 Mitigation Action Priority
Hazard Mitigation Plan City of South Gate Final Plan June 2018 A-122
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Gate
241 Table B-7. “Are you familiar with the special needs of your neighbors in the event of a disaster situation? (Special needs may include limited mobility, severe medical conditions, memory impairments.)” v-—_ - Total - Percent Yes 38 29% No 93 71%
Another way to improve community preparedness is to encourage community members be trained as part of South Gate’s Community Emergency Response Team (CERT).CERTvolunteers are trained in basic emergency response skills, including search and rescue, team organization, and evacuation safety procedures. During an emergency, community members who are CERT-trained can care for and protect others and assist and supplement emergency response professionals. Only about one-fifth of respondents were CERT-trained. Table B-8. “Are you a trained member of your Community - Emergency- Response Team (CERT)?” Total Percent Yes 25 19%
No, but Iwould liketo learn more about CERT. 72 55%
No, Iam not interested in being a trained CERTmember. 33 25%
Finally,community members were asked to identify which recommendations they would liketo see the City pursue to improve resiliency and community engagement for future emergencies. Ofthe 143 participants in the survey, over half favored increased notifications and communication surrounding emergencies.
Table B-9. “How can the City help you become more prepared for a disaster?”
Tota Percen
— I t Provide effective emergency notifications and communication. 73 51% Provide training and education to residents and business owners on how to reduce future damage. 66 46/o
Provide community outreach regarding emergency preparedness. 61 43% Create awareness of special needs and vulnerable populations. 53 37%
Cityof SouthGate HazardMitigationPlan June 2018 FinalPlan B-7 242 External Final Hazard Attn: Metropolitan Attn: Los County Central 700 Department Commerce, Attn: 6252 Attn: Los 320 Attention: Los Los 2800 Long Attention: L.A.D.W.P Southern Los P.O.Box51111 Gabrieleno Los 1320 3350 South South 1999 Plan Mitigation North Angeles, Angeles Angeles, Angeles, Angeles, West Angeles, North Telegraph Mr. East Lonnie Avenue Tweedy Beach, Mr. Mr. Gate Gate, of Basin California Kiernan Temple Los Willow Richard Alameda Daryl Mr. Ms. Band Chamber Eastern CA of
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Gate 247 APPENDIX C — MASTER FACILITIES LIST
Table C-i provides a master list of critical facilities and facilities of concern. Figure C-i maps facilities of concern.
Table C-i. Master Facilities List
City of South Gate Civic Center 8650 California Avenue City of South Gate
Public Works Corporate Yard - 4244 Santa Ana Street City of South Gate
Parks & Recreation - Administration 4900 Southern Avenue City of South Gate
Parks & Recreation - South Gate Girls 4940 Southern Avenue City of South Gate Clubhouse
Parks& Recreation - South Gate Golf Course 9615 Pinehurst Avenue — CftyofSouth Gate -
Parks & Recreation - South Gate Senior Center 4855 Tweedy Boulevard City of South Gate L)
Parks & Recreation - South Gate Sports Center 9520 Hildreth Avenue City of South Gate
Parks & Recreation - Hollydale Community 12221 Industrial Avenue City of South Gate Resource Center
Parks & Recreation - Westside Community 9200 State Street City of South Gate Resource Center
County LA County Fire Station #54 4867 Southern P1 City of South Gate Facilities L.A. County Fire Station #57 5720 Gardendale Avenue City of South Gate
‘I Aspire Firestone Academy 8929 Kauffman Aye, South Gate, CA 90280 LA Unified School District 0 G) Bryson Avenue Elementary School 4470 Missouri Avenue, South Gate, CA 90280 LA Unified School District 4-, C Great Commission Baptist School 8420 South Gate Avenue, South Gate, CA LA Unified School District
vO 90280 .5U Hollydale Elementary School 55i i Century Boulevard, South Gate, CA 90280 Paramount School District Independence Elementary School 8435 Victoria Avenue, South Gate, CA 90280 LA Unified School District City of South Gate Hazard Mitigation Plan June 2018 Final Plan c-i Facility Address Owner International Studies Learning Center School 2701 Sequoia Drive, South Gate, CA 90280 LA Unified School District Kiddie Crest Academy 13067 Paramount BIvd, South Gate, CA 90280 LA Unified School District Kid’s Forum 4513 Tweedy Boulevard, South Gate, CA 90280 LA Unified School District Legacy High School 5225 Tweedy Blvd, South Gate, CA 90280 LA Unified School District Liberty Boulevard Elementary School 2728 Liberty Boulevard, South Gate, CA 90280 LA Unified School District Madison Elementary School 9820 Madison Avenue, South Gate, CA 90280 LA Unified School District Montara Avenue Elementary School 10018 Montara Avenue, South Gate, CA 90280 LA Unified School District Odyssey Continuation School 8693 Dearborn Avenue, South Gate, CA 90280 LA Unified School District Pilgrim Baptist Academy 2702 Glenwood P1, South Gate, CA 90280 LA Unified School District Redeemer Lutheran Church & School 2626 Liberty Blvd, South Gate, CA LA Unified School District Saint Helen School 9329 Madison Aye, South Gate, CA LA Unified School District San Gabriel Avenue Elementary School 8628 San Gabriel Avenue, South Gate, CA LA Unified School District 90280 San Miguel Elementary School 9801 San Miguel Avenue, South Gate, CA LA Unified School District 90280 Soledad Charter School 3616 Missouri Aye, South Gate, CA 90280 LA Unified School District South East High School 2720 Tweedy Boulevard, South Gate, CA 90280 LA Unified School District South Gate Community Adult School 2525 Firestone Boulevard, South Gate, CA LA Unified School District 90280 South Gate Middle School 4100 Firestone Boulevard, South Gate, CA LA Unified School District 90280 South Gate Montessori Preschool 10108 California Aye, South Gate, CA LA Unified School District South Gate Senior High School 3351 Firestone Boulevard, South Gate, CA LA Unified School District 90280 Southeast Middle School 2560 Tweedy Boulevard, South Gate, CA 90280 LA Unified School District Stanford Avenue Elementary School 2833 Illinois Avenue, South Gate, CA 90280 LA Unified School District
Hazard Mitigation Plan City of South Gate Final Plan June 2018 C-2 ______
V V - ••VVV -.
Stanford Primary Center School 3020 Kansas Avenue, South Gate, CA 90280 LA Unified School District State Street Elementary School V 3211 Santa Ana Street, South Gate, CA 90280 LA Unified School District
Tweedy Elementary School 9724 Pinehurst Avenue, South Gate, CA 90280 LA Unified School District V Valiente Elementary College Prep 8691 California Aye, South Gate, CA 90280 LA Unified School District Victoria Avenue Elementary School 3320 Missouri Avenue, South Gate, CA 90280 LA Unified School District Willow Elementary 2777 Willow Place, South Gate, CA 90280 LA Unified School District High Tension Power Lines Powerline Easements LA DWP
Other Water Infrastructure (Well Sites and Reservoirs) Confidential List Confidential List Facilities MWDWaterLine Multiple MWD Bridges Multiple Multiple Source: City of South Gate
City of South Gate Hazard Mitigation Plan June 2018 Final Plan C-3 Figure C-i. Facilities of Concern
Map ID School Name r 13 1 Aspire Firestone Academy -. Bryson Avenue Elementary School 24 3 Great Commission Baptist School 4 Hollydale Elementary School L S independence Elementary School 6 litematlonal Studies LearningCeriter School 19 18 7 Kids Forum • ‘ 8 KicidieCrestAcademy 9 .egaryllighSrhool 10 Liberty Boulevard ElementarySchool 11 Maclicon Elementary School 12 Montara Avenue Elementary School 13 Odyssey Continuation School F 14 P1 lgrim Bacpist Academy 15 Redeemer LutheranChurch&School 15 Saint Hilen School 1) San Gabne Avenue Elementary School 18 SanMiguelFlenentarySrhool 19 Soledad Charter School 20 South East High School 21 SouthGateCommunitydultSchool 22 South Gate MddIe School 23 South Gate Montesson Preschool 24 SouthttateSeniorHighSc*sool Legend 25 Southeast Middle School 26 Stanford Avenue Elementary School • School 27 Stanford PrimaryCenterSchonl 1•I . 28 State Street ElementarySchool L..J South Gate City Limits 29 Tweedy Elementary School 30 alienteElementaryCollege Prep — II 05 31 VlctonaAvenue Elementary School 32 Willow Elementary N
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Hazard Mitigation Plan City of South Gate Final Plan June 2018 C-4 PUBLIC NOTICE CITY OF SOUTH GATE CITY COUNCIL
NOTICE OF PUBLIC HEARING
NOTICE IS hEREBY GIVEN that the City Council of the City of South Gate will hold a public hearing for the adoptionof the updatedLocal HazardMitigationPlan.
DATE OF HEARING: Tuesday,June 26, 2018 TIME OF HEARING: 6:30 pm LOCATION OF HEARING: City Hall CouncilChamber,City of SouthGate 8650 CaliforniaAvenue SouthGate, California
PROJECT LOCATION: Citywide
PROJECT DESCRiPTION: The purpose of a Hazard Mitigation Plan is to reduce or eliminate long-term risk to people and property from natural hazards and their effects on the City. An updated and adopted plan is required not only to reduce risk to the community, but to maintain eligibility for disaster mitigation funding from Federal Emergency Management Agency (FEMA) under the Disaster Mitigation Act of 2000.
ENVIRONMENTAL REVIEW: The foregoing amendment to the South Gate Zoning Code is exempt from the California Environmental Quality Act (“CEQA”) under Section 15061(b)(3) of the CEQA Guidelines, which provides that CEQA only applies to projects that have the potential for causing a significant effect on the environment. Where, as here, it can be seen with certainty that there is no possibility that the activity in question may have a significant effect on the environment, the activity is not subject to CEQA.
INVITATION TO BE HEARD: All interestedpersons are invited to the public hearing to be heard in favor of or in opposition to the proposed ordinance or to provide comments. In addition, written comments may be submitted to the Community Development Department prior to the hearing. If you challengethe actiontaken on this proposalin court,you may be limitedto raising onlythose issuesyou or someoneelse raised at the public hearing,described in this Notice, or in written correspondencedelivered to the City of SouthGate priorto or at the public hearing.
Those desiringa copy of the staff report or further informationrelatedto this project shouldcontact
Contact: Alvie Betancourt,SeniorPlanner Phone: 323-563-9526 E-mail: [email protected]
Mailing Address: CommunityDevelopmentDepartment City of SouthGate 8650 CaliforniaAvenue SouthGate, CA 90280-3075 ESPA1OL Informaciónen Espafiolacerca de estajunta puede ser obtenidaIlamandoal 323-563-9526
Published: June 14, 2018
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