IID ASCE_Red Hill Bay projecy-10.26a.16

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Red Hill Bay Shallow Water Habitat

Restoration Project

presentation to ASCE-IV Branch

Graeme R. DonaldsonProgram Manager Salton Sea Initiative

October 26, 2016

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Salton Sea Activities Overview

• Legislative/state agencies status and update

• Restoration proposals

SSWIFT plan (development funded by SSA, but not adopted)

Salton Sea Restoration & Renewable Energy Initiative (IID/IC)

Salton Sea Management Program (SSMP)

• Near-term projects

Red Hill Bay Project (RHB)

Species Conservation Habitat (SCH)

Salton Seawater Marine Habitat Pilot Project (SSMHP)

IID Backbone Infrastructure Project development

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Salton Sea activities June, 2002 – Salton Sea legislation giving state responsibility for restoration under the QSA.

November 18, 2014 – IID submits a Petition to the State Water Resources Control Board requesting it

exercise its continuing authority over the water transfers to ensure the state of California live up to its

Salton Sea restoration obligation in order to avoid devastating air quality and habitat impacts.

March 18, 2015 – SWRCB holds Salton Sea workshop.

May 2015 – Governor establishes Salton Sea Task Force that includes CNRA, CDWR, CDFW, CEC,

CARB, EPA and SWRCB.

September 2015 – Governor appoints Bruce Wilcox assistant secretary for Salton Sea policy.

October 9, 2015 – AB1095 (Garcia) signed into law by Governor Brown.

The Salton Sea Restoration Act requires the Secretary of the CNRA in consultation and coordination with Salton Sea

Authority (SSA), to lead Salton Sea Restoration efforts.

The Act will require on or before March 31, 2016 the CNRA to submit to legislature a list of “shovel ready” Salton

Sea restoration projects.

January 4, 2016 – IID Board of Directors approve on a 5-0 vote the initiation of Backbone infrastructure

project, phase #1.

January 5, 2016 – State Water Resources Control Board (SWRCB) held public workshop to receive

updates from (CNRA/CRRWQCB/CARB/CEC) & public comment re: Task Force actions.

March 31, 2016 – AB1095 deadline for CNRA to submit to legislature a list of “shovel ready” Salton

Sea restoration projects. Most important will be the backbone infrastructure implementation.

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Salton Sea Task Force Agency Actions

• Begin immediate implementation and further development

of Salton Sea management plan

• Improve public outreach and local partnership

• Accelerate project implementation and delivery

• Meet a short-term (2016-2017) goal of 9,000-12,000 acres of

habitat creation and dust suppression projects at the sea

• Set medium-term (2018-2023) goal of 18,000-25,000 acres

of habitat creation and dust suppression projects at the sea

Ensure Oversight by Regulatory Agencies

• Consider opportunities for increasing renewable energy

development at and around the Salton Sea.

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SSWIFT Lake Concept (SSA)

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SSRREI proposal (IID/IC)

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IID Grant Projects

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Aerial View of Red Hill Bay Restoration Site

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The US Fish and Wildlife

Service, in partnership with

the Imperial Irrigation District,

intends to restore the habitat

values of the Red Hill Bay

with blended water from the

Salton Sea and nearby drain

water from the Alamo River.

Red Hill Bay is located on the

southeast shore of the Salton

Sea and is part of the Sonny

Bono Salton Sea National

Wildlife Refuge.

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Red Hill Bay Project (original configuration)

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OverviewRed Hill Bay Shallow Water Habitat: USFWS partnered with IID

Project Description: up to 640 acre Shallow shorebird habitat created by

building low berms and mixing pumped Alamo River water & pumped Salton

Sea water to a desired salinity range of 25 to 40 ppt.

Project Summary:

Budget - USFWS (FAP grant funding) $1,194,154

USFWS Refuge funding $ 332,760

IID in-kind (inc.land lease) $ 130,000

IID (WCB grant funding) $1,850,000

Total $3,506,914

Permitting - All environmental permitting is complete.

Schedule - April to July 2016: Contracted with firm DCE for project

engineering and design. Completed 7.29.16!

- August to November Construction RFP. Bid award.

- November 2016 to September 2017 project construction

- September 2017 Red Hill Bay habitat in operation.

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SA

LIN

ITY

TO

LE

RA

NC

ES Tilapia survival

Emergent vegetation

Mosquito control Mosquitoes Survive

SUPPRESS MOST VEGETATION

Selenium Loading

OPTIMAL SURVIVAL AND REPRODUCTION

SCH OPERATIONS

Salinity in Ponds0 ppt 10 20 30 40 50 60 70

Cardno/ENTRIX 2011

LESS RISKMORE RISK

MOSQUITO SUPPRESSION

Salinity Constraints and ThresholdsCalifornia Department of Water Resources

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Project Overall

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Project Acreage

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Water Systems (Saline & River)

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Power supply (Saline & River)

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Salt Water Intake Floating Pump Station Cross Section Years 2016 to 2021

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Salt Water Intake Floating Pump Station Cross Section Years 2021 to 2036

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Comparable Jack-up saline pump barge

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Saline pump barge plan view

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Saline pump barge side elevation

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Saline pump

station wet well Fish screen

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Hidrostal submersible

pumps for both saline

and Alamo river waters

Pump characteristics:1. “Fish Friendly”

2. Saline pump – 145 HP

River pump – 110 HP

Both pumps configured for

extreme arduous duty.

Double mechanical seals &

hermitically sealed & oil

filled motors.

3. Low speed application

which in the case of the Red

Hill Bay project both pumps

will be Vfd driven.

4. Saline pump design focus on

highly corrosive

environment and change of

pumping head over life of

project. Ease of impellor

change-out when needed.

5. River pump design focus on

highly erosive environment

due to sedimentation.

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Saline & River anticipated pump flows over the project life

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Alamo River Structure & Sedimentation Settling Basin

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Saline and Alamo river waters mixing station

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‘SSKGRA’

‘Red Hill Bay’

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The Source of the Problem

Reduced Sea inflows due to Water Transfers

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The Related Problem

Salinity rises until the Salton Sea is a Dead Sea

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Land

Owners

of Playa

to be

Exposed

Orange: IID

Green: Federal

(USBR)

These lands will be

exposed when the Sea

recedes to its lowest

forecast level or No

Action scenario

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Red Hill Bay-Garst

Rd. All 3 photos taken

within 30 minutes!

Red Hill Bay is Very

Emissive Playa

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Questions?Please contact Graeme Donaldson Cell # 760 457 6565,

e-mail GrDonaldson@iid.com