POWER POINTS
CITY COUNCIL
MEETING
DECEMBER 5, 2023
December 5, 2023
1 City Council Regular Meeting
December 5, 2023
12/6/2023
Pledge of Allegiance
12/6/2023
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December 5, 2023
2 12/6/2023
City Council Meeting
December 5, 2023
Presentation
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December 5, 2023
3 Salton Sea
Management
Program
Miguel Hernández, Public Affairs Officer, CNRA
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December 5, 2023
4 Presentation
Overview
What is the Salton Sea Management
Program (SSMP)?
SSMP Projects
Projects in Planning Phases
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What is the Salton Sea Management
Program (SSMP)?
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December 5, 2023
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SSMP Team
10 Salton Sea Challenges
• Dust from exposed lakebed may affect air quality and public health for surrounding communities. • Increased salinity in the waters of the Sea is unable to sustain many forms of aquatic life. • Habitat values are being lost, including for several bird species on the Pacific Flyway. • Drought and water availability
• El polvo proveniente del lecho del lago expuesto puede afectar la calidad del aire y la salud pública de las comunidades aledañas. • El aumento de la salinidad del agua de Salton Sea no permite la supervivencia de varias formas de vida acuática. • Se pierden los valores de los hábitats, incluidas varias especies de aves en la ruta migratoria del Pacífico. • Sequía y disponibilidad de agua.
Dust from exposed lakebed may affect air quality and public health for surrounding communities.
Increased salinity in the waters of the Sea is unable to sustain many forms of aquatic life.
Habitat values are being lost, including for several bird species on the Pacific Flyway.
Drought and water availability
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December 5, 2023
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SSMP Phase I: 10-year plan
Phase 1: 2018 – 2028
10-Year Plan aims to improve conditions around
the Sea by constructing 30,000 acres of projects
to reduce wind-blown dust from exposed lakebed
and create habitat for fish and birds.
12 Salton Sea Long-Range Plan
The Salton Sea Management Program prepared
this draft Long-Range Plan (LRP or Plan) to
comply with State Water Board Revised Order WR
2002-0013.
SSMP’s Phase 1: 10-Year Plan is addressing
challenges happening now through 2028. The
Phase 2: Long-Range Plan is intended to address
challenges beyond 2028.
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December 5, 2023
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Imperial Streams Salton Sea Feasibility Study
Draft LRP informs the development of a Feasibility Study - (Environmental Review) Imperial Streams and
Salton Sea
Ecosystem Restoration
Feasibility Study
SSMP Projects
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14 December 5, 2023
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Land Access Remains an Important
Driver of Project Timelines
Collaboration with landowners is critical to land
access.
Lack of state-owned lands and the checkerboard
land ownership creates some challenges
Securing land access agreements is a key driver
affecting the planning and project delivery
schedule
16 Projects in progress at the Sea
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December 5, 2023
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Species Conservation Habitat Project
(4,100 acres)
• Dust from exposed lakebed may affect air quality and public health for surrounding communities. • Increased salinity in the waters of the Sea is unable to sustain many forms of aquatic life. • Habitat values are being lost, including for several bird species on the Pacific Flyway. • Drought and water availability
• El polvo proveniente del lecho del lago expuesto puede afectar la calidad del aire y la salud pública de las comunidades aledañas. • El aumento de la salinidad del agua de Salton Sea no permite la supervivencia de varias formas de vida acuática. • Se pierden los valores de los hábitats, incluidas varias especies de aves en la ruta migratoria del Pacífico. • Sequía y disponibilidad de agua.
First major habitat project of the state’s
10-Year Plan.
Improve air quality and provide critical habitat for birds and fish at the Salton Sea. Reduces dust emissions by covering exposed lakebed with water. 18 Species Conservation Habitat Project
(4,100 acres)
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December 5, 2023
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Species Conservation Habitat Project
(4,100 acres)
Species Conservation Habitat Project
(4,100 acres)
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December 5, 2023
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Species Conservation Habitat Project
(4,100 acres)
22 Vegetation Enhancement Projects
The goal of these projects is to suppress dust
in exposed lakebed areas around the Salton
Sea through native vegetation establishment
and enhancement of existing vegetation
stands.
Projects total ≈1,700 acres
oClubhouse 400 acres
oTule Wash 1,215 acres
oWest Bombay Beach 90 acres
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December 5, 2023
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Vegetation Enhancement Project Concept
24 Vegetation Enhancement Projects
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December 5, 2023
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Vegetation Enhancement Projects
26 Vegetation Enhancement Projects Proyectos de Mejora de la Vegetación 25 26
December 5, 2023
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Collaborative Projects with SSMP Support
Audubon Bombay Beach Wetland Enhancement Project
(832 acres of aquatic)
North Lake Pilot Demonstration Project
(≈ 160 acres of aquatic)
Desert Shores Channel Restoration Project
(≈ 30 acres of aquatic)
28 Projects in Planning Phases
SCH Expansion Project
(≈ 3,000-5,000 acres of aquatic)
North Lake Project – Full Lake
(≈ 1,615 acres of aquatic)
San Felipe Fan Project (660 acres of vegetation)
Wister Unit Marsh Bird Habitat Restoration Project
(≈ 150 acres of aquatic)
SCH Vegetation Project
(≈ 600 acres of vegetation)
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December 5, 2023
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ThankYou!
www.saltonsea.ca.gov
Email the SSMP team at:
[email protected]
Learn more about multiple engagement
opportunities and sign-up for updates at:
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December 5, 2023
16 City Council Meeting
December 5, 2023
B1 – Financial Advisory Commission
Interviews
City Council Meeting
December 5, 2023
S1 – Avenue 50 Bridge Project Construction
Staging Alternatives 2019-02
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December 5, 2023
17 Avenue 50 Bridge Project 2019-02
Avenue 50 Bridge Project Background
Project will replace existing low-water crossing spanning La Quinta Evacuation Channel at Avenue 50 with allweather access bridge City received Caltrans funding authorization to begin preliminary engineering
Contract negotiations underway with engineering firm
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December 5, 2023
18 Construction Staging Alternatives
1. Staged Construction:
Completing the Project in two stages, maintaining
traffic operations throughout
2. Full Roadway Closure (Detour):
Completing the Project in one stage, closing Avenue 50
during construction
Alternative 1 : Staged Construction
Stage 1:
• Build the north half of roadway and bridge
• Temporary retaining wall required to separate new construction from existing roadway in use
• One lane traffic maintained in each direction and room for pedestrians/bikes
• Temporary paving required
Stage 2:
• Traffic and pedestrians/bikes would be moved onto new roadway and bridge on north half
• South half of the roadway and bridge constructed
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December 5, 2023
19 Staged Construction: STAGE 1
Staged Construction: STAGE 2
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December 5, 2023
20 Alternative 1 : Staged Construction
Traffic Operation:
One lane of traffic maintained in each direction
A paved (approximately 6 ft. wide) pedestrian/bike route provided on south side of Avenue 50, separated from construction by k-rail Utilities:
Existing water main would require temporary relocation prior to Stage 1 construction
Gas and cable facilities can be maintained in Stage 1 construction then moved permanently into the new bridge prior to Stage 2 commencing
Alternative 1 : Staged Construction
Schedule:
• 20-22 month construction
Staged Construction Cost Impacts:
• Approximately $450k for temporary retaining walls, paving and concrete closure pour
• Estimated $200k for 8-month extended construction timeframe 39 40
December 5, 2023
21 Alternative 2 : Road Closure/Detour
Construction:
The entire project would be built in a single phase of work Traffic Operation:
Local detour: Park Avenue & Calle Tampico. Signed as local and school traffic only to avoid significant increase of traffic in residential neighborhood
Area-wide detour (alternative routes): Washington Street, Avenue 48, Jefferson Street, and Avenue 52
Robust outreach program
Alternative 2 : Road Closure/Detour
Temporary Pedestrian & Bicycle Access:
• Pedestrian and bicycle access provided during the closure via a 6- foot-wide asphalt paved path
• Temporary path separated from construction zone by concrete k-rail and chain link fencing
• Path proposed on south side of Avenue 50 along the construction zone, and safely clear of bridge construction
• Grading required to traverse the side slopes approaching construction site and meet acceptable grades along path • Path would remain open until the contractor can redirect pedestrians and bicyclists onto completed roadway
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December 5, 2023
22 Alternative 2 : Road Closure/Detour
Alternative 2 : Road Closure/Detour
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December 5, 2023
23 Alternative 2 : Closure/Detour
Utilities:
• Existing water, gas and cable will require temporary relocation outside of roadway footprint during construction (work completed prior to closure)
• Permanent relocation into bridge upon completion of bridge and roadway rough grading
Schedule:
• 12–14 month construction
Full Roadway Closure Cost Impacts:
• Approximately an additional $50k for temporary pedestrian/bike paving
Cost Breakdown
Alternative 2: $50K
• Temporary AC paving for ped/bike
path ($50k)
Alternative 1: $650k
• Temporary retaining walls ($250k)
• Temporary AC paving ($100k)
• Bridge construction in two halves
w/ closure pour ($100k)
• Construction management –
additional 8-month duration ($120k)
• Contractor – general conditions for
additional 8-month duration ($80k)
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December 5, 2023
24 Full Road Closure/Detour Pros:
• Reduces construction duration and disruption to
the community by approximately 8 months
• Reduces project costs by approximately
$600,000 by eliminating temporary construction
items and reduced construction duration
Staged Construction Pros:
• Maintains access in similar condition
as existing condition
• Minimizes potential impact to school
pick-up & drop-off operation
Full Road Closure/Detour Cons:
• Traffic detour required for duration of
construction
• Potential impact to school pick-up & drop-off
operation
Staged Construction Cons:
• Longer construction duration
extends disruption to the
community
• Throwaway costs related to temporary
construction items such as retaining
wall and asphalt paving to maintain
traffic
Questions?
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December 5, 2023
25 OPEN HOUSE IN PROGRESS
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