4-74 million - feasiblity study from trinity river committee combined 03-02-10-2

8/14/2019 4-74 Million - Feasiblity Study From Trinity River Committee Combined 03-02-10-2

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US Army Corps of Engineers

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DALLAS FLOODWAY

Feasibility Cost Share Agreement

TRINITY RIVER CORRIDOR PROJECT(TRCP) COMMITTEE BRIEFING

MARCH 2, 2010


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To provide information and requestapproval from the Trinity River Corridor

Project Committee for the upcomingFeasibility Cost Share Agreement with

the U.S. Army Corps of Engineers(USACE)

PURPOSE


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Legal document binding USACE and the City toundertake a Feasibility Study and Integrated

Environmental Impact Statement (EIS) for the DallasFloodway

Provides cost sharing and other responsibilities of

both parties Identifies studies and plan of action for completion of

EIS

WHAT IS A FEASIBILITY COST SHARE

AGREEMENT (FCSA)?


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Required by National Environmental Policy Act(NEPA) for projects that have federal fundingand may have environmental, economic orsocial impacts

Typically includes studies for hydraulics,geology, economics, historic and culturalresources, wildlife and vegetation

Also includes 35% design level of projectcomponents

Completion of this document is required toreceive approval to construct the project

WHAT IS AN ENVIRONMENTAL IMPACTSTATEMENT (EIS)?


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1945 / 1950 Dallas Floodway Project Authorized 1960 US Army Corps of Engineers (USACE) Construction Completed

1996 Feasibility Study Initiatedo Level of Protection decreased from 800-year to 300-500 yearo Basin-wide modeling completedo Economic database developedo Regional Corridor Development Certificate (CDC) process developedo Preliminary work completed on flood damage reduction, ecosystem restoration and recreation

componentso Efforts continued in conjunction with Dallas Floodway Extension study, development of Citys

Balanced Vision Plan and Interior Drainage Plan, and preliminary work on Trinity Parkway

2007 (Nov) Dallas Floodway Project authorized in Water Resources DevelopmentAct (WRDA)

2007 (Dec) Periodic Inspection of existing Dallas Floodway Levee SystemConducted

2009 (Mar) Periodic Inspection Report on Dallas Floodway Levee SystemProvided to City with Unacceptable Rating

2009 (May) Decision made to analyze all proposed actions within DallasFloodway comprehensively

BACKGROUND


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Modified 1945 and 1950 Project Authorizations

Authorized Construction of City Plans

o Balanced Vision Plan (BVP)

o Interior Drainage Plan (IDP)

Required Determination of Technical Soundness &Environmental Acceptability Study Required

Authorized Total Project Cost $459 million

o Federal $298 million / Non-Federal $161 million

Allowed Advancement of City Funds to Maintain Schedule -Credit Given in Future Phases of Project Development

Water Resources Development Act 2007(Section 5141)


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Dallas Floodway Feasibility StudyDallas Floodway Balanced Vision Plan


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Feasibility Cost Share Agreement (FCSA)

o Legal Instrument / Study Agreement (w/costs)

o Requires 50/50 Cost Share for Studyo Execution Needed to Access Federal & Non-Federal Funds

Project Management Plan (PMP)o Provides Detailed Scope, Schedule, Budget

o Supports FCSA

o Guides Study/Project

o Identifies USACE and City Responsibilities

Feasibility Cost Share Agreement


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Levee Remediation Plan (LRP)o Identify Measures to Restore Levees to Authorized Design Standards

Balanced Vision Plan (BVP ) - Flood Risk Management (FRM)o Potential Levee Raises at Current Design Standards

o Removal of AT&SF Bridge

Balanced Vision Plan (BVP) Ecosystem / Recreationo Lakes, Parks, River Meanders, Wetlands, Athletic Fields, etc.

Interior Drainage Plan (IDP)o Pumps, Sumps, Gravity/Pressure Storm Sewers, etc.

Local Featureso Trinity Parkway, Bridges, Santa Fe Trestle Trail, etc.

Major Study Elements


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Total study costs estimated at $38.4 milliono 50/50 cost share Federal and City

Citys 2009 contract award to HNTB includes an estimated

$23 million directly applicable to this new Feasibility Study

Citys cost share requirements already met

However, in order to maintain schedule, WRDA language

allows City to provide funds to keep study progressing WRDA language provides opportunity for credit of Citys

additional funding toward future phases of projectdevelopment

Remaining study costs estimated at $15.4 million

Feasibility Study Costs


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Presidents Budget request comes out inFebruary for the next fiscal year

Congress is scheduled to approve budgetsby October of the current fiscal year

If appropriations bill is not approved at that

time, temporary funding is providedthrough a continuing resolution until finalbill is approved

Continuing resolution typically limits theamount of funding available

USACE Funding Process


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Needed for FY 10 (ending 9/30/10) $4.70 M Needed for FY 11 thru 3/2011* $2.05 M USACE funding FY 10 ($1.30 M)

USACE funding FY 11** ($0.70 M) TOTAL FUNDING NEEDS $4.75 MFOR USACE thru 3/2011

To keep the study moving at full speed, the Cityneeds to advance $4.75 M to USACE

* In the event that the appropriations bill is not passed by the start of October 2010,the City proposes to provide funds to maintain schedule

** Included in Presidents Budget; however, there is an opportunity for additionalfunding through Congressional appropriations bills that could increase this amount

Funding Needs for USACE


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WRDA 2007 language allows the City to receive credittoward future design and construction phases of the

project for any City contributions over 50% cost shareduring the Feasibility Study

When the Dallas Floodway project begins design

and/or construction phases, agreements between Cityand USACE will incorporate this credit, thereby

reducing the Citys future funding requirements

How does the City get credited for

advance contributions?


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Council approval on March 10, 2010 of FCSA andto provide $4.75 million to USACE to ensurecontinued USACE progress through March 2011

If federal funding does not meet project needs forFY 11, City may be required to provide additionalfunds at that time

Staff Recommendation


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Dallas Floodway Feasibility Study

QUESTIONS?

4-74 million - feasiblity study from trinity river committee combined 03-02-10-2

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