US Army Corps of Engineers

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COL Kim CollotonCommander

andMr. David Van Dorpe

Deputy District EngineerLos Angeles District

California Coastal CommissionEncinitas and Solana Beach, San Diego County, CaliforniaCoastal Storm Damage ReductionConsistency Determination CD-0203-13 (Th 11a)

Presentation to the

Mr. Mike NicholsMayor

City of Solana Beachand

Mr. Gus VinaCity Manager

City of Encinitas

14 November 2013

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City of Encinitas, CA (Sponsor)Teresa Arballo Barth, MayorLisa Shaffer, Deputy MayorCity Councilmembers

Kristin Gaspar Tony Kranz Mark Muir

Gus VinaCity Manager

City of Solana Beach, CA (Sponsor)Mike Nichols, MayorThomas Campbell, Deputy MayorCity Councilmembers

Lesa Heebner David Zito Peter Zahn

David OttCity Manager

State Parks, Division of Boating & Waterways Steve Watanabe, Boating Facilities Division Chief Kim Sterrett, Project Manager (retired)

Key Study Partners

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The Encinitas and Solana Beach Coastal Storm Damage Reduction Project is a 50-year effort to:

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Project Purpose

Reduce coastal storm damages to property and infrastructure along the study area shoreline and the bluff top, prior to the need for emergency action.

Improve public safety in the study area by reducing the threat of life-threatening bluff failures caused by wave action against the bluff toe.

Reduce coastal erosion and shoreline narrowing to improve recreational opportunities for shoreline users within the study area.

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Project Location

Cities of Encinitas and Solana Beach, San Diego County

State Parks in Project Area Moonlight State BeachSan Elijo State BeachBeacons State Beach

South Cardiff State Beach

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Beach Nourishment - 50’ added beach width 7,800’ alongshore Initial Volume = 340,000 cy Renourishment Volume = 220,000 cy

Daphne Street

G Street

Encinitas Receiver Site

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Beach Nourishment - 150’ added beach width 7,200’ alongshore Initial Volume = 700,000 cy Renourishment Volume = 290,000 cy

Tide Park Beach

Southern Boundary of Solana Beach

Solana Beach Receiver Site

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Comprehensive Alternatives Analysis conducted: Initial evaluation of structural and non-structural solutions Dismissed hard structures from further analysis (seawalls,

breakwaters, groins, revetments)

Final Array in EIR/EIS: No Action Alternative (future emergency armoring) Beach nourishment at widths ranging from 50’ – 200’ Beach nourishment at various widths plus notch fills

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Alternatives Analysis

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The Proposed Project has been modified in important ways to address comments of the Commission and other agencies and stakeholders.

1. Reduction of project beach widths and sand volumes in both Cities:

Encinitas project size reduced from 100’ to 50’ Solana Beach project size reduced from 200’ to 150’

2. Coordination with CCC Prior to Renourishment Events

3. Work cooperatively with CCC on Preconstruction Engineering and Design Phase Survey and Monitoring Plans

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Project Revisions

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4. Additional Monitoring Addition of physical monitoring in between the

receiver sites as requested by the CCC; Addition of two new lagoon monitoring transects

as requested by the Los Penasquitos Lagoon Foundation;

Addition of biological monitoring at borrow sites as requested by the CCC;

5. Additional surfing monitoring as requested by the Surfrider Foundation

6. Included Construction Staging Plans as requested by the CCC

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Project Revisions

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7. Storm Water Pollution Prevention Plan

8. Ongoing Monitoring Reports to be provided to the Executive Director

9. Addition of field work at Moonlight State Beach to determine western extent of cultural resources as requested by State Parks;

10. Inclusion of additional avoidance measures and protections for least terns, snowy plovers and grunion as requested by USFWS

These important project revisions have been made and are in addition to prior environmental commitments and protection measures.

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Project Revisions

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PARAMETERSOriginal Project(EN-1A)

Reduced Project(EN-1B)

Original Project(SB-1A)

Reduced Project(SB-1B)

Initial Placement Volume (cy) 680,000 340,000 960,000 700,000

Re-Nourishment Volume (cy) 280,000 220,000 420,000 290,000

Re-Nourishment Cycle 5-year 5-year 13-year 10-year

Total Placement Volume (cy over 50 Years) 3,200,000 2,320,000 2,210,000 1,860,000

Added Beach MSL Width 100’ 50’ 200’ 150’

Reductions in Sand Volumes

Cities of Encinitas and Solana Beach• Massive erosion following El

Nino 82-83

• Sand transport is blocked upland and upcoast

• State Parks: Moonlight, Cardiff, Beacons and Ponto

• Fully Developed bluff top

• Fatal bluff failure in 2001

• Erosion “Hot Spot”

• Coast Highway 101 wave attack

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Avoid More Shoreline Armoring

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Public Infrastructure At Risk

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City of Encinitas:Coast Hwy 101 (Emergency evacuation route and I-5 alternative)18” gas line under Hwy 101 & other utilitiesSewer pump station at Cardiff State Parking lotRestaurants (Beach House, Charthouse, Pacific Grill)Cardiff State Beach Parking LotCardiff State Beach CampgroundPublic beach access ways/staircases:

• 10 staircases for San Elijo State Beach campground

• State lifeguard access road (north end of day use parking lot)

• Swamis• D Street• Stonesteps• Beacons• Seabluff

Moonlight Beach Lifeguard TowerPublic roads City of Solana Beach:

Public beach access stairways at Tide Park, Fletcher Cove and Del Mar Shores

All public shoreline and beaches in the City, including Tide Park Beach and Fletcher Cove Beach

Fletcher Cove Community ParkSolana Beach Marine Safety HeadquartersFletcher Cove Community CenterLifeguard stations at Tide Park Beach and Del

Mar Shores Stormwater interceptor facilitiesFletcher Cove public access rampMultiple public beach parking lots proving free

public beach parkingPublic roadwaysNumerous wet and dry utilities located on or in

the bluffs including sewer lines, electric distribution lines, natural gas lines, and existing stormwater facilities

Reduced beach access and recreational opportunities

Increased armoring and bluff failures

Beach areas return to cobble

Coast Highway 101 and Cardiff State Park jeopardized due to coastal inundation

Future emergency measures/actions will be required to protect public infrastructure

No Project Alternative

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Pre-RBSP 1 (1998)Post-RBSP 2 (2013)

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10-29-13

• Since 2001, over 1 million cubic yards have been added to the intertidal zone off Encinitas and Solana Beach.

• Restored habitat for grunions, shorebirds, sand crabs which was non-existent prior to the regional beach sand projects.

• Re-created some surf-breaks and improved surfing. Surfer Magazine rated Encinitas as #3 Best Surf Town in America in 2009.

Successful Sand Replenishment Projects

Regional Beach Sand Project Comparison

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Project Year Average Added Beach Width

RBSP 1 2001 180 feet: Encinitas 70 feet: Solana Beach

RBSP 2 2012 230 feet: Encinitas220 feet : Solana Beach

USACE Project

Encinitas

2015 50 feet: Encinitas150 feet: Solana Beach

Sand volume equal to RBSPI

Source: 2012 SANDAG Regional Beach Monitoring Annual Report

State Marine Conservation AreaMoonlight Beach receiver site of Regional Beach

Sand Project located in SMCA with no adverse impacts to surfing or habitat.

Beach nourishment allowed within Swami’s SMCA.

EIR/EIS Technical Review determined no potential for significant impacts to biological resources in SMCA.

Extensive monitoring will be conducted for surfing and biological resources following implementation.

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Loss of Public Beach & Access (No dry beach)

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On Going Bluff Failures

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Protection of public infrastructure and property

Structural Damage and Public Safety

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Ongoing Bluff Failures

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SolanaBeach

Encinitas

• Bluff failures are on-going (large and small

• Public hazard exists at public beaches

Project will protect:

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• Public Infrastructure

• Public Access Staircases

• Lifeguard Towers

• Public Streets

• Public Parks and Community Centers

• Reduce emergency actions

• Increase safety of beach users

Public Access & Safety BenefitsProtects public beach and coastal access Creates new public beach areas (+ 35 acres)Increased public safety at the public beaches

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Project Revisions

Since July 2013 hearing we have:

•Reduced the beach widths and sand volumes in both Cities:

• Encinitas beach width reduced from 100’ to 50’

• Solana Beach width of beach reduced from 200’ to 150,

• Increased the biological, cultural, lagoon and surf monitoring requirements.

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Coastal Commission Sea Level Rise Guidance Document

• Beach nourishment is the preferred adaptation strategy for sea level rise :

• “Maximize natural shoreline values and processes and embrace green infrastructure and living shorelines; avoid the perpetuation of shoreline armoring.”

• “Require “soft” or “living” shorelines such as beach nourishment as an alternative to shoreline protection devices.” “Establish a beach nourishment program and protocols”

• Proposed beach nourishment project designed to be resilient to sea level rise over 50 year life – EIR/EIS evaluated various sea level rise scenarios.

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Project Provides Economic Benefits• Beaches are important low and no-cost

destinations for California residents and visitors.

• California’s beaches contribute $73 billion to the national economy and generate $14 billion in tax revenues for the federal government.

• California receives less than one tenth as much in Federal appropriations as New York and New Jersey, states which have fewer miles of beaches.

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Source: The Fiscal Impact of Beaches, by Philip King, Ph.D.Prepared for the California Department of Boating and Waterways (1999)

This Project is critical to our Cities

No dry public beach - even at low tide. Project will restore the public beach, coastal access and

provides no and low cost visitor serving recreation. A sandy beach reduces wave action against the bluffs. The Project is consistent with CCC sea level rise guidance. Project incorporates extensive monitoring. Mitigation will be provided if there are significant impacts. Best long-term opportunity to provide sand and reduce the

need for armoring and reduce the loss of public access. Beach sand is temporary and moves with daily tides, currents, and

swells. Project re-nourishment actions can be modified/reduced based on actual conditions.

Seawalls and loss of beach access are permanent if there is no beach.Your support is needed.

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Project Has Broad Base of Support

Division of Boating and Waterways/State Parks

SANDAGCity of Oceanside

Harbors & Beaches Department

California Coastal Coalition

Beach & Bluff Conservancy

SeaCoast Preservation Association

U.S. Senator Dianne Feinstein

U.S. Senator Barbara Boxer

U.S. Representative Darrell Issa

Senator Marty Block Senator Mark WylandAssemblymember Toni

AtkinsCOOSALeucadia 101Cardiff 101

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Project is consistent with California Coastal Management Program and the California Coastal Act.

USACE, City of Encinitas and City of Solana Beach request that the Commission concur with consistency determination CD-0203-13.

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