SIXTH STREET VIADUCT REPLACEMENTSIXTH STREET VIADUCT REPLACEMENT

Gary Lee Moore, P.E.City Engineer

Deborah Weintraub, AIA, LEEDAPChief Deputy City Engineer

Alfred L. Mata, P.E.Project Manager

City of Los AngelesDepartment of Public Works

Engineering

CMAA - BREAKFAST OF CHAMPIONS May 2, 2012

CMAA CMAA -- BREAKFAST OF CHAMPIONS BREAKFAST OF CHAMPIONS May 2, 2012May 2, 2012

““TTOO LLEADEAD TTHEHE TTRANSFORMATIONRANSFORMATION OOFF LLOSOS AANGELESNGELESIINTONTO TTHEHE WWORLDORLD’’SS MMOSTOST LLIVABLE IVABLE CCITYITY..””

VISION STATEMENT

CITY OF LOS ANGELES | DEPARTMENT OF PUBLIC WORKS | BUREAU OF ENGINEERING

BBUREAUUREAU OOFF EENGINEERINGNGINEERING PPROJECTSROJECTS

CITY OF LOS ANGELES | DEPARTMENT OF PUBLIC WORKS | BUREAU OF ENGINEERING

BBUREAUUREAU OOFF EENGINEERINGNGINEERING PPROJECTSROJECTS

PROJECTS COMPLETED SINCE JULY 1, 2005PROJECTS COMPLETED SINCE JULY 1, 2005 ACTIVE PROJECTSACTIVE PROJECTS

Sixth Street Viaduct Replacement ProjectIn Conjunction with FHWA & Caltrans

Sixth Street Viaduct Replacement ProjectSixth Street Viaduct Replacement ProjectIn Conjunction with FHWA & In Conjunction with FHWA & CaltransCaltrans

Sixth Street Sixth Street

Fourth Street Fourth Street

Alkali Silica Reactivity (ASR) deterioration exists throughout Past repairs have been ineffective and ASR will continue Seismic reliability is poor, with high collapse probability Viaduct geometrics are functionally deficient

Existing ConditionsExisting ConditionsExisting Conditions

Light Damage Moderate to Severe DamageModerate Damage Severe Damage

L.A.R I V E R

MATEOST .

IMPERIAL ST.

AVE.

MESQUIT ST.

RD.

UPRR

SCRRA (METROLINK)

SCRRA (METROLINK)

BNSF RAILWAY INC.

LACMTA (METRO_)

SANTA FE

JESSEST.

MISSION CLARENCE ST.

ANDERSONST.

6THST.

6TH ST. Existing Viaduct

Alignment 3BNO SCALE

N

Selected ProjectSelected ProjectSelected ProjectReplacementAlignment 3B

Bridge Concept - Type 4

$401M

Benefits• Creates Roadway Shoulders• Provides Wider Sidewalks• Removes Kink in Bridge• Provides Safety Median Buffer• Multimodal: Peds & Bikes• River Access & Enhancements

Project ConstraintsProject ConstraintsProject Constraints

Railroad CorridorsRailroad Corridors

High Voltage High Voltage Transmission LinesTransmission Lines

Los Angeles RiverLos Angeles River

Preferred Project ElementsPreferred Project ElementsPreferred Project Elements

Safety is Paramount: Railroads, Businesses, Public

Temporary and Permanent, 20 Intersections

In-Water Work, Pedestrian Access, Revitalization Plans

Safety Shields, River Access Tunnel

Avoid Transmission Lines, Relocate Others

Four Lanes with Median, Shoulders and Sidewalks

Cast in Place Box Girders, including Hwy 101 Crossing

Four Span Extradosed Concrete Box Girder

Alignment 3B Bridge Concept 4

Iconic Bridge:

Viaduct:

Roadway:

Utility Relocations:

Railroad Corridors:

LA River:

Street Improvements:

Demolition:

Architectural Enhancement and DesignArchitectural Enhancement and DesignArchitectural Enhancement and Design

As part of the RFQ/P released on 4/25/12, the City will conduct a design competition to refine the bridge concept to ensure an

architecturally distinctive and cost-effective design expression.

RenderingsRenderingsRenderings

Looking west to downtown

Looking south

Architectural Expressions Architectural Expressions Architectural Expressions Rio-Antirio Bridge (Greece)

Architectural Expressions Architectural Expressions Architectural Expressions

Proposed Final Design

Gerald Desmond BridgePort of Long Beach, California

Existing

Architectural Expressions Architectural Expressions Architectural Expressions Willamette River Bridge Collection

Portland, Oregon

Existing

Under Construction

Architectural Expressions Architectural Expressions Architectural Expressions Modern Bridges

Millau Viaduct (France)

Dusseldorf, Germany

Sun Dial BridgeRedding, California

Missouri River BridgeOmaha, Nebraska

Architectural Expressions Architectural Expressions Architectural Expressions

Slanted Tower Illuminated Towers

Project BudgetProject BudgetProject Budget

Project Phase $ Amount(in millions)

Preliminary Engineering and Environmental Clearance

17

Program Management and Final Design

24

Right-of-Way 101

Construction and Construction Management

259

Total (incl. Bond Financing Cost) 401

Construction Budget by Element Construction Budget by Element Construction Budget by Element

Design Consultant Scope $ Amount(in millions)

New Viaduct 140

Demolition 12

Roadway and Intersection Improvements 10

Other Street Improvements 13

Tunnel and Railroad Improvements 10

River, Landscaping, Bicycle, Pedestrian 5

Subtotal 190

Project ScheduleProject ScheduleProject Schedule

Milestone Date

City Approval of Project and Financial Plan Nov 18, 2011

Record of Decision Issued Dec 21, 2011

Issue Design Consultant RFP Apr 25, 2012

Begin Right-of-Way Acquisition Process May 2012

Begin Final Design Dec 2012

Complete Final Design Aug 2014

Advertise for Construction Bids Sep 2014

Begin Advance Construction Early 2015

Begin Bridge Construction Mid 2015

Complete Construction 2018

Project DeliveryProject DeliveryProject Delivery

Program Management: City and Consultant

Design: International Design Competition, For RFQ/P, register at www.labavn.org Design Aesthetic Advisory Committee

Construction Management: City and Consultant

Utility Relocations: Utility Agencies and Contractor

Potential Construction Packages: Utility Relocations, Intersections, Demolition

Construction: Conventional Design-Bid-Build or

Construction Manager / General Contractor

For Contracting OpportunitiesFor Contracting OpportunitiesFor Contracting Opportunities

• www.labavn.org - City of LA Business Assistance Virtual Network

• Contracting Opportunities are Posted on www.labavn.org• Construction Bid Documents• RFQ’s• RFP’s

• To download documents, your company must be registered (free) on BAVN.

• Use BAVN for outreach to subcontractors/subconsultants

Sixth Street Viaduct Replacement ProjectSixth Street Viaduct Replacement ProjectSixth Street Viaduct Replacement Project

For more information:Project Manager: Alfred L. Mata, P.E.

Alfred.Mata@lacity.org

For more information:For more information:Project Manager: Alfred L. Mata, P.E.Project Manager: Alfred L. Mata, P.E.

Alfred.Mata@lacity.orgAlfred.Mata@lacity.org