Further Discussion of "LEED for Bridges"
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Transcript of Further Discussion of "LEED for Bridges"
![Page 1: Further Discussion of "LEED for Bridges"](https://reader033.fdocuments.us/reader033/viewer/2022051400/559473181a28abd8548b45f7/html5/thumbnails/1.jpg)
Further Discussion of “LEED for
Bridges”
2009: Tulane Engineering Forum
Prepared by:
Dave Kanger, P.E.
New Orleans, LA
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Introduction• DISCLAIMER: The U.S. Green Building Council does not have a LEED
rating system that relates to bridges or the transportation sector, nor do they have any current plans to expand to this market:
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Introduction• DISCLAIMER: The U.S. Green Building Council does not have a LEED
rating system that relates to bridges or the transportation sector, nor do they have any current plans to expand to this market:
“Unfortunately, we do not have a LEED rating
system that relates to bridges, nor do we have
any current plans to expand to that market.”
-- Lauren Connelly
Media and Advertising Coordinator
U.S. Green Building Council (USGBC)
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Introduction
• Lack of interest on part of USGBC does not mean that we can’t plan for the occasion.
• The Bridge and Transportation industry has already been a leader in the areas of energy and environmental design.
• On private side, interest is driven by business decisions.
• On public side, interest is driven by policy and funding.
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Introduction
• Our focus will be on the public-sector interest in LEED-style programs.
• Background on Federal and State law.
– Funding
– Policy
• Include specific case studies that highlight Federal and State funding of policies:
– Case Study 1: HOV
– Case Study 2: Reuse Existing Structure
– Case Study 3: Saving an endangered species
• Conclusions
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Public Sector Interest in LEED-style
Programs
• Background on Federal Transportation Policy and
Funding:
– Federal Transportation funding comes in the form of funding
bills on a six-year cycle.
– Most recent funding acts have lagged by 1 to 2 years after
expiration of previous funding act.
– New funding cycle comes due at end of this year.
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Public Sector Interest in LEED-style
Programs
• Public Law 105-59:
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Public Sector Interest in LEED-style
Programs
• Public Law 105-59:
– On August 10, 2005, the President signed into law the Safe,
Accountable, Flexible, Efficient Transportation Equity Act: A
Legacy for Users (SAFETEA-LU).
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Public Sector Interest in LEED-style
Programs
• Public Law 105-59:
– On August 10, 2005, the President signed into law the Safe,
Accountable, Flexible, Efficient Transportation Equity Act: A
Legacy for Users (SAFETEA-LU):
– Guaranteed funding for:
• highways
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Public Sector Interest in LEED-
style Programs
• Public Law 105-59:
– On August 10, 2005, the President signed into law the Safe,
Accountable, Flexible, Efficient Transportation Equity Act: A
Legacy for Users (SAFETEA-LU):
– Guaranteed funding for:
• highways
• highway safety
• public transportation
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Public Sector Interest in LEED-
style Programs
• Public Law 105-59:
– On August 10, 2005, the President signed into law the Safe,
Accountable, Flexible, Efficient Transportation Equity Act: A
Legacy for Users (SAFETEA-LU):
– Guaranteed funding for:
• highways
• highway safety
• public transportation
– Totaled $244.1 billion
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Public Sector Interest in LEED-
style Programs
• Public Law 105-59:
– On August 10, 2005, the President signed into law the Safe,
Accountable, Flexible, Efficient Transportation Equity Act: A
Legacy for Users (SAFETEA-LU):
– Guaranteed funding for:
• highways
• highway safety
• public transportation
– Totaled $244.1 billion; SAFETEA-LU represented the largest
surface transportation investment in our nation’s history.
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Public Sector Interest in LEED-style
Programs
• Previous two landmark bills that brought surface transportation
into the 21st century:
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Public Sector Interest in LEED-
style Programs• Previous two landmark bills that brought surface transportation
into the 21st century:
– the Intermodal Surface Transportation Efficiency Act of 1991 (ISTEA)
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Public Sector Interest in LEED-
style Programs• Previous two landmark bills that brought surface transportation
into the 21st century:
– the Intermodal Surface Transportation Efficiency Act of 1991 (ISTEA)
– the Transportation Equity Act for the 21st Century (TEA-21)
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Public Sector Interest in LEED-
style Programs• Previous two landmark bills that brought surface transportation
into the 21st century:
– the Intermodal Surface Transportation Efficiency Act of 1991 (ISTEA)
– the Transportation Equity Act for the 21st Century (TEA-21)
– Both shaped the highway program to meet the Nation's changing
transportation needs.
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Public Sector Interest in LEED-
style Programs• Previous two landmark bills that brought surface transportation
into the 21st century:
– the Intermodal Surface Transportation Efficiency Act of 1991 (ISTEA)
– the Transportation Equity Act for the 21st Century (TEA-21)
– Both shaped the highway program to meet the Nation's changing
transportation needs.
• SAFETEA-LU builds on this firm foundation
• Supplies the funds
• Refines the programmatic framework for investments needed to
maintain and grow our vital transportation infrastructure.
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Public Sector Interest in LEED-style
Programs
• SAFETEA-LU generally adopts fundamental
consideration for:
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Public Sector Interest in LEED-style
Programs
• SAFETEA-LU generally adopts fundamental
consideration for:
– Congestion Relief
• One of the most difficult transportation issues facing us today
• SAFETEA-LU gives States more flexibility to use road pricing to
manage congestion
• Promotes real-time traffic management in all States to help improve
transportation security and provide better information to travelers and
emergency responders.
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Public Sector Interest in LEED-style
Programs
• SAFETEA-LU generally adopts fundamental
consideration for:
– Efficiency
• The Highways for LIFE pilot program
• Advances longer-lasting highways using innovative technologies and
practices
• Speeds up the construction of efficient and safe highways and bridges.
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Public Sector Interest in LEED-style
Programs
• SAFETEA-LU generally adopts fundamental
consideration for:
– Environmental Stewardship
• Retains and increases funding for environmental programs of TEA-21
• Adds new programs focused on the environment
• Includes a pilot program for nonmotorized transportation and Safe
Routes to School.
• Includes significant new environmental requirements for the Statewide
and Metropolitan Planning process.
• Requires Secretary to conduct wildlife vehicle collision reduction
study, define best practices to Congress, and develop training courses
transportation professionals
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Public Sector Interest in LEED-style
Programs
• SAFETEA-LU generally adopts fundamental
consideration for:
– Environmental Streamlining
• Incorporates changes aimed at improving and streamlining the
environmental process for transportation projects.
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Public Sector Interest in LEED-
style Programs
• SAFETEA-LU generally adopts fundamental
consideration for:
– Environmental Streamlining
• Incorporates changes aimed at improving and streamlining the
environmental process for transportation projects.
These changes, however, come with some additional steps and
requirements for transportation agencies...
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Public Sector Interest in LEED-style
Programs
• Environmental requirements on transportation agencies:
– New environmental review process for highways, transit, and
multimodal projects
– Increased authority for transportation agencies
– But also increased responsibilities:
• New category of "participating agencies" and notice and comment
related to defining project purpose and need and determining the
alternatives.
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Public Sector Interest in LEED-style
Programs
• Additional Environmental requirements on
transportation agencies:
– A 180-day statute of limitations is added for litigation...
BUT...
– It is pegged to publication of environmental actions in the
Federal Register, which will require additional notices.
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Public Sector Interest in LEED-style
Programs
• Additional Environmental requirements on
transportation agencies :
– New delegations of authority to States
– Includes delegation of Categorical Exclusions for all states
– Includes a 5-state delegation of the USDOT environmental
review authority under NEPA and other environmental laws.
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Public Sector Interest in LEED-style
Programs
• Additional Environmental requirements on
transportation agencies :
– The air quality conformity process is improved
– Includes changes in the frequency of:
• conformity determinations
• conformity horizons.
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Public Sector Interest in LEED-style
Programs
• SAFETEA-LU Specific Provisions:
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Public Sector Interest in LEED-style
Programs
• SAFETEA-LU Specific Provisions:
– Funds Use of High-Occupancy Vehicle (HOV) Lanes
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Public Sector Interest in LEED-
style Programs
• SAFETEA-LU Specific Provisions:
– Funds Use of High-Occupancy Vehicle (HOV) Lanes
– Enhances and clarifies provisions governing the use and
operation of HOV lanes.
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Public Sector Interest in LEED-
style Programs
• SAFETEA-LU Specific Provisions:
– Funds Use of High-Occupancy Vehicle (HOV) Lanes
– Enhances and clarifies provisions governing the use and
operation of HOV lanes.
– Requires States to establish occupancy requirements for HOV
lanes, with mandatory exemption for motorcycles and bicycles
unless it creates a safety hazard, and optional exemptions for:
![Page 32: Further Discussion of "LEED for Bridges"](https://reader033.fdocuments.us/reader033/viewer/2022051400/559473181a28abd8548b45f7/html5/thumbnails/32.jpg)
Public Sector Interest in LEED-
style Programs
• SAFETEA-LU Specific Provisions:
– Funds Use of High-Occupancy Vehicle (HOV) Lanes
– Enhances and clarifies provisions governing the use and
operation of HOV lanes.
– Requires States to establish occupancy requirements for HOV
lanes, with mandatory exemption for motorcycles and bicycles
unless it creates a safety hazard, and optional exemptions for:
![Page 33: Further Discussion of "LEED for Bridges"](https://reader033.fdocuments.us/reader033/viewer/2022051400/559473181a28abd8548b45f7/html5/thumbnails/33.jpg)
Public Sector Interest in LEED-
style Programs
• SAFETEA-LU Specific Provisions:
– Funds Use of High-Occupancy Vehicle (HOV) Lanes
– Enhances and clarifies provisions governing the use and
operation of HOV lanes.
– Requires States to establish occupancy requirements for HOV
lanes, with mandatory exemption for motorcycles and bicycles
unless it creates a safety hazard, and optional exemptions for:
• Public transportation vehicles
![Page 34: Further Discussion of "LEED for Bridges"](https://reader033.fdocuments.us/reader033/viewer/2022051400/559473181a28abd8548b45f7/html5/thumbnails/34.jpg)
Public Sector Interest in LEED-
style Programs
• SAFETEA-LU Specific Provisions:
– Funds Use of High-Occupancy Vehicle (HOV) Lanes
– Enhances and clarifies provisions governing the use and
operation of HOV lanes.
– Requires States to establish occupancy requirements for HOV
lanes, with mandatory exemption for motorcycles and bicycles
unless it creates a safety hazard, and optional exemptions for:
• Public transportation vehicles,
![Page 35: Further Discussion of "LEED for Bridges"](https://reader033.fdocuments.us/reader033/viewer/2022051400/559473181a28abd8548b45f7/html5/thumbnails/35.jpg)
Public Sector Interest in LEED-
style Programs
• SAFETEA-LU Specific Provisions:
– Funds Use of High-Occupancy Vehicle (HOV) Lanes
– Enhances and clarifies provisions governing the use and
operation of HOV lanes.
– Requires States to establish occupancy requirements for HOV
lanes, with mandatory exemption for motorcycles and bicycles
unless it creates a safety hazard, and optional exemptions for:
• Public transportation vehicles,
• low-emission and energy-efficient vehicles,
![Page 36: Further Discussion of "LEED for Bridges"](https://reader033.fdocuments.us/reader033/viewer/2022051400/559473181a28abd8548b45f7/html5/thumbnails/36.jpg)
Public Sector Interest in LEED-
style Programs
• SAFETEA-LU Specific Provisions:– Funds Use of High-Occupancy Vehicle (HOV) Lanes
– Enhances and clarifies provisions governing the use and operation of HOV lanes.
– Requires States to establish occupancy requirements for HOV lanes, with mandatory exemption for motorcycles and bicycles unless it creates a safety hazard, and optional exemptions for:
• Public transportation vehicles,
• low-emission and energy-efficient vehicles,
• and High Occupancy Toll (HOT) vehicles (otherwise-ineligible vehicles willing to pay a toll to use the facility).
– States are required to monitor, assess, and report on the operation of the facility to ensure that it does not become seriously degraded.
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Case Study 1: HOV
• HOV Case Study:
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Case Study 1: HOV
• HOV Case Study:
– New Orleans’ High-Occupancy Vehicle Lanes
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Case Study 1: HOV
• HOV Case Study:
– New Orleans’ High-Occupancy Vehicle Lanes
– State Project 283-08-0125, “Reversible Configuration Transit
Lanes – HOV-2.”
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Case Study 1: HOV
• HOV Case Study:
– New Orleans’ High-Occupancy Vehicle Lanes
– State Project 283-08-0125, “Reversible Configuration Transit
Lanes – HOV-2.”
– Owner: Louisiana DOTD, Crescent City Connection Division;
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Case Study 1: HOV
• HOV Case Study:
– New Orleans’ High-Occupancy Vehicle Lanes
– State Project 283-08-0125, “Reversible Configuration Transit
Lanes – HOV-2.”
– Owner: Louisiana DOTD, Crescent City Connection Division;
– Designer: Modjeski and Masters, Inc.
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Case Study 1: HOV
• HOV Case Study:
– New Orleans’ High-Occupancy Vehicle Lanes
– State Project 283-08-0125, “Reversible Configuration Transit
Lanes – HOV-2.”
– Owner: Louisiana DOTD, Crescent City Connection Division;
– Designer: Modjeski and Masters, Inc.
![Page 43: Further Discussion of "LEED for Bridges"](https://reader033.fdocuments.us/reader033/viewer/2022051400/559473181a28abd8548b45f7/html5/thumbnails/43.jpg)
Case Study 1: HOV
• HOV Case Study:
– New Orleans’ High-Occupancy Vehicle Lanes
– State Project 283-08-0125, “Reversible Configuration Transit
Lanes – HOV-2.”
– Owner: Louisiana DOTD, Crescent City Connection Division;
– Designer: Modjeski and Masters, Inc.
(ME)
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Case Study 1: HOV
• HOV Case Study:
– New Orleans’ High-Occupancy Vehicle Lanes
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Case Study 1: HOV
• HOV Case Study:
– New Orleans’ High-Occupancy Vehicle Lanes
CONTRACT: THIS CONTRACT IS TO CONFIGURE THE
TRANSIT LANES AND TRANSIT LANE APPROACH
RAMPS FOR USE BY TRANSIT BUSSES AND HIGH
OCCUPANCY VEHICLES CARRYING TWO (2) OR
MORE PERSONS (HOV-2) IN A REVERSIBLE
CONFIGURATION, ONE DIRECTION FOR THE A.M.
TRAFFIC PEAK AND THE OPPOSITE DIRECTION FOR
THE P.M. TRAFFIC PEAK.”
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Case Study 1: HOV
• HOV Case Study:
– New Orleans’ High-Occupancy Vehicle Lanes
– Intended to increase flow on mainline by moving transit
busses from bridge.
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Case Study 1: HOV
• HOV Case Study:
– New Orleans’ High-Occupancy Vehicle Lanes
– Intended to increase flow on mainline by moving transit
busses from bridge.
– Intended to encourage car-pooling for cross-river traffic.
![Page 48: Further Discussion of "LEED for Bridges"](https://reader033.fdocuments.us/reader033/viewer/2022051400/559473181a28abd8548b45f7/html5/thumbnails/48.jpg)
Case Study 1: HOV
• HOV Case Study:
– New Orleans’ High-Occupancy Vehicle Lanes
– Intended to increase flow on mainline by moving transit
busses from bridge.
– Intended to encourage car-pooling for cross-river traffic.
– Ahead of its time.
![Page 49: Further Discussion of "LEED for Bridges"](https://reader033.fdocuments.us/reader033/viewer/2022051400/559473181a28abd8548b45f7/html5/thumbnails/49.jpg)
Case Study 1: HOV
• HOV Case Study:
– New Orleans’ High-Occupancy Vehicle Lanes
– Intended to increase flow on mainline by moving transit
busses from bridge.
– Intended to encourage car-pooling for cross-river traffic.
– Ahead of its time.
• Construction began March 1998.
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Case Study 1: HOV
• HOV Case Study:
– New Orleans’ High-Occupancy Vehicle Lanes
– Intended to increase flow on mainline by moving transit
busses from bridge.
– Intended to encourage car-pooling for cross-river traffic.
– Ahead of its time.
• Construction began March 1998.
– Facility has been in use with reversible configuration HOV-2
lanes ever since.
![Page 51: Further Discussion of "LEED for Bridges"](https://reader033.fdocuments.us/reader033/viewer/2022051400/559473181a28abd8548b45f7/html5/thumbnails/51.jpg)
Case Study 1: HOV
• HOV Case Study:
– New Orleans’ High-Occupancy Vehicle Lanes
– Intended to increase flow on mainline by moving transit
busses from bridge.
– Intended to encourage car-pooling for cross-river traffic.
– Ahead of its time.
• Construction began March 1998.
– Facility has been in use with reversible configuration HOV-2
lanes ever since.
– Federal transit funds were used to construct the original transit
structure. State funds used for HOV reconfiguration.
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Case Study 1: HOV
• HOV Case Study:
– Encourage anyone leaving the forum and travelling to the
West Bank to use...
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Case Study 1: HOV
• HOV Case Study:
– Encourage anyone leaving the forum and travelling to the
West Bank to use...
• ...if you have at least one other occupant in the car!
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Case Study 1: HOV
• HOV Case Study:
– Encourage anyone leaving the forum and travelling to the
West Bank to use...
• ...if you have at least one other occupant in the car!
• Find out more at:
– http://www.dotd.state.la.us/operations/cccd/bridges.asp
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Public Sector Interest in LEED-style
Programs
• SAFETEA-LU Specific Provisions:
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Public Sector Interest in LEED-style
Programs
• SAFETEA-LU Specific Provisions:
– SAFETEA-LU includes Subtitle H, “Environment”
requirements.
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Public Sector Interest in LEED-style
Programs
• SAFETEA-LU Specific Provisions:
– SAFETEA-LU includes Subtitle H, “Environment”
requirements. Highlighting Notable Requirements Relating to
our consideration of “Leadership in Environmental Design”:
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Public Sector Interest in LEED-style
Programs
• SAFETEA-LU Specific Provisions:
– SAFETEA-LU includes Subtitle H, “Environment”
requirements:
• Generally adopts a philosophy and language to fund facilities that carry
the greatest number of passengers and vehicles.
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Public Sector Interest in LEED-style
Programs
• SAFETEA-LU Specific Provisions:
– SAFETEA-LU includes Subtitle H, “Environment”
requirements:
• Generally adopts a philosophy and language to fund facilities that carry
the greatest number of passengers and vehicles.
• Funds scenic byways.
![Page 60: Further Discussion of "LEED for Bridges"](https://reader033.fdocuments.us/reader033/viewer/2022051400/559473181a28abd8548b45f7/html5/thumbnails/60.jpg)
Public Sector Interest in LEED-style
Programs
• SAFETEA-LU Specific Provisions:
– SAFETEA-LU includes Subtitle H, “Environment”
requirements:
• Generally adopts a philosophy and language to fund facilities that carry
the greatest number of passengers and vehicles.
• Funds scenic byways.
• Requires that debris from demolished bridges and overpasses is made
available for beneficial use by a Federal, State, or local government.
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Public Sector Interest in LEED-style
Programs
• SAFETEA-LU Specific Provisions:
– SAFETEA-LU includes Subtitle H, “Environment”
requirements:
• Generally adopts a philosophy and language to fund facilities that carry
the greatest number of passengers and vehicles.
• Funds scenic byways.
• Requires that debris from demolished bridges and overpasses is made
available for beneficial use by a Federal, State, or local government.
– “Beneficial Use” is defined within the law as: “the application of the
debris for purposes of shore erosion control or stabilization, ecosystem
restoration, and marine habitat creation.”
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Public Sector Interest in LEED-style
Programs
Credit: www.top-scubadiving.com
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Public Sector Interest in LEED-style
Programs
• SAFETEA-LU Specific Provisions:
– SAFETEA-LU includes Subtitle H, “Environment”
requirements:
• Generally adopts a philosophy and language to fund facilities that carry
the greatest number of passengers and vehicles.
• Funds scenic byways.
• Requires that debris from demolished bridges and overpasses is made
available for beneficial use by a Federal, State, or local government.
• Funds pilot programs for the purposes of creating: “a network of
nonmotorized transportation infrastructure facilities, including
sidewalks, bicycle lanes, and pedestrian and bicycle trails, that connect
directly with transit stations, schools, residences, businesses, recreation
areas, and other community activity centers.”
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Public Sector Interest in LEED-style
Programs
• SAFETEA-LU Specific Provisions:
– SAFETEA-LU includes Subtitle H, “Environment”
requirements:
• Funds pilot programs for the purposes of creating: “a network of
nonmotorized transportation infrastructure facilities, including
sidewalks, bicycle lanes, and pedestrian and bicycle trails, that connect
directly with transit stations, schools, residences, businesses, recreation
areas, and other community activity centers.”
– Purpose: “The purpose of the program shall be to demonstrate the extent
to which bicycling and walking can carry a significant part of the
transportation load, and represent a major portion of the transportation
solution, within selected communities.”
![Page 65: Further Discussion of "LEED for Bridges"](https://reader033.fdocuments.us/reader033/viewer/2022051400/559473181a28abd8548b45f7/html5/thumbnails/65.jpg)
Public Sector Interest in LEED-style
Programs
• SAFETEA-LU Specific Provisions:
– SAFETEA-LU includes Subtitle H, “Environment”
requirements:
• Funds pilot programs for the purposes of creating: “a network of
nonmotorized transportation infrastructure facilities, including
sidewalks, bicycle lanes, and pedestrian and bicycle trails, that connect
directly with transit stations, schools, residences, businesses, recreation
areas, and other community activity centers.”
– Purpose: “The purpose of the program shall be to demonstrate the extent
to which bicycling and walking can carry a significant part of the
transportation load, and represent a major portion of the transportation
solution, within selected communities.”
• Funds preservation and rehabilitation of historic structures, including
relocation to a preservation site.
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Case Study 2: Reuse of Existing
Structure
• Reuse Case Study:
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Case Study 2: Reuse of Existing
Structure
• Reuse Case Study:
– Widening the Huey P. Long Bridge
![Page 68: Further Discussion of "LEED for Bridges"](https://reader033.fdocuments.us/reader033/viewer/2022051400/559473181a28abd8548b45f7/html5/thumbnails/68.jpg)
Case Study 2: Reuse of Existing
Structure
• Reuse Case Study:
– Widening the Huey P. Long Bridge
– Multiple state projects split among four (4) different contracts
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Case Study 2: Reuse of Existing
Structure
• Reuse Case Study:
– Widening the Huey P. Long Bridge
– Multiple state projects split among four (4) different contracts
– Owner: New Orleans Public Belt Railroad; Louisiana
Department of Transportation and Development maintains
highway lanes.
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Case Study 2: Reuse of Existing
Structure
• Reuse Case Study:
– Widening the Huey P. Long Bridge
– Multiple state projects split among four (4) different contracts
– Owner: New Orleans Public Belt Railroad; Louisiana
Department of Transportation and Development maintains
highway lanes.
• Project completely funded by DOTD; no federal funds
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Case Study 2: Reuse of Existing
Structure
• Reuse Case Study:
– Widening the Huey P. Long Bridge
– Multiple state projects split among four (4) different contracts
– Owner: New Orleans Public Belt Railroad; Louisiana
Department of Transportation and Development maintains
highway lanes.
• Project completely funded by DOTD; no federal funds
– Designer: Modjeski and Masters, Inc.
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Case Study 2: Reuse of Existing
Structure
• Reuse Case Study:
– Widening the Huey P. Long Bridge
• By widening the existing structure rather than constructing a new river
crossing:
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Case Study 2: Reuse of Existing
Structure
• Reuse Case Study:
– Widening the Huey P. Long Bridge
• By widening the existing structure rather than constructing a new river
crossing:
– Reduce environmental impact, property takings.
![Page 74: Further Discussion of "LEED for Bridges"](https://reader033.fdocuments.us/reader033/viewer/2022051400/559473181a28abd8548b45f7/html5/thumbnails/74.jpg)
Case Study 2: Reuse of Existing
Structure
• Reuse Case Study:
– Widening the Huey P. Long Bridge
• By widening the existing structure rather than constructing a new river
crossing:
– Reduce environmental impact, property takings.
– Reduce construction cost.
![Page 75: Further Discussion of "LEED for Bridges"](https://reader033.fdocuments.us/reader033/viewer/2022051400/559473181a28abd8548b45f7/html5/thumbnails/75.jpg)
Case Study 2: Reuse of Existing
Structure
• Reuse Case Study:
– Widening the Huey P. Long Bridge
• By widening the existing structure rather than constructing a new river
crossing:
– Reduce environmental impact, property takings.
– Reduce construction cost.
– Reuse existing right-of-way and traffic corridors.
![Page 76: Further Discussion of "LEED for Bridges"](https://reader033.fdocuments.us/reader033/viewer/2022051400/559473181a28abd8548b45f7/html5/thumbnails/76.jpg)
Case Study 2: Reuse of Existing
Structure
• Reuse Case Study:
– Widening the Huey P. Long Bridge
• By widening the existing structure rather than constructing a new river
crossing:
– Reuse the existing caisson (foundation)
![Page 77: Further Discussion of "LEED for Bridges"](https://reader033.fdocuments.us/reader033/viewer/2022051400/559473181a28abd8548b45f7/html5/thumbnails/77.jpg)
Case Study 2: Reuse of Existing
Structure
• Reuse Case Study:
– Widening the Huey P. Long Bridge
• By widening the existing structure rather than constructing a new river
crossing:
– Reuse the existing caisson (foundation)
– Reuse the existing concrete piers (columns)
![Page 78: Further Discussion of "LEED for Bridges"](https://reader033.fdocuments.us/reader033/viewer/2022051400/559473181a28abd8548b45f7/html5/thumbnails/78.jpg)
Case Study 2: Reuse Existing
Structure
• Reuse Case Study:
– Widening the Huey P. Long Bridge
• By widening the existing structure rather than constructing a new river
crossing:
– Reuse the existing caisson (foundation)
– Reuse the existing concrete piers (columns)
– Reuse the existing main bridge steel trusses
![Page 79: Further Discussion of "LEED for Bridges"](https://reader033.fdocuments.us/reader033/viewer/2022051400/559473181a28abd8548b45f7/html5/thumbnails/79.jpg)
Case Study 2: Reuse Existing
Structure
• Reuse Case Study:
– Widening the Huey P. Long Bridge
• Find out more at:
– http://www.hueypbridge.com
![Page 80: Further Discussion of "LEED for Bridges"](https://reader033.fdocuments.us/reader033/viewer/2022051400/559473181a28abd8548b45f7/html5/thumbnails/80.jpg)
Case Study 2: Reuse Existing
Structure
• Reuse Case Study:
– Widening the Huey P. Long Bridge
• Find out more at:
– http://www.hueypbridge.com
EXISTING
PROPOSED
WIDENING
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Case Study 3: Saving an Endangered
Species
• Environmental Case Study:
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Case Study 3: Saving an Endangered
Species
• Environmental Case Study:
– New York State, Department of Environmental Conservation
– Division of Fish, Wildlife and Marine Resources,
Endangered Species Unit
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Case Study 3: Saving an Endangered
Species
• Environmental Case Study:
– New York State, Department of Environmental Conservation
– Division of Fish, Wildlife and Marine Resources,
Endangered Species Unit
– Peregrine Falcon
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Case Study 3: Saving an Endangered
Species
• Environmental Case Study:
– New York State, Department of Environmental Conservation
– Division of Fish, Wildlife and Marine Resources,
Endangered Species Unit
– Peregrine Falcon
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Case Study 3: Saving an Endangered
Species
• Environmental Case Study:
– New York State, Department of Environmental Conservation – Division of Fish, Wildlife and
Marine Resources, Endangered Species Unit
– http://www.dec.ny.gov/animals/7059.html
“Peregrine falcons are listed as an endangered species in New
York State. They were eliminated as a nesting species in the
state by the early 1960’s, due mainly to pesticide (DDE)
residues in their bird prey. The release of young captive bred
birds from 1974-1988 helped lead to their return as a nesting
species. Peregrines first returned to nest on two bridges in
New York City in 1983. Two years later, in 1985, they were
again nesting in the Adirondacks.”
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Case Study 3: Saving an Endangered
Species
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Case Study 3: Saving an Endangered
Species
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Case Study 3: Saving an Endangered
Species
• Environmental Case Study:
– New York State, Department of Environmental Conservation – Division of Fish, Wildlife and
Marine Resources, Endangered Species Unit
– http://www.dec.ny.gov/animals/7059.html
“New York City now has probably the largest urban population
of peregrine falcons anywhere, and peregrines nest on every
Hudson River bridge south of Albany.”
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Case Study 3: Saving an Endangered
Species
• Environmental Case Study:
– New York State, Department of Environmental Conservation – Division of Fish, Wildlife and
Marine Resources, Endangered Species Unit
– http://www.dec.ny.gov/animals/7059.html
“Peregrines currently nest on buildings or bridges in Albany,
Syracuse, Rochester, Binghampton and Buffalo, with about
twenty pairs present in the Adirondacks on cliffs.”
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Case Study 3: Saving an Endangered
Species
• Environmental Case Study:
– New York State, Department of Environmental Conservation – Division of Fish, Wildlife and
Marine Resources, Endangered Species Unit
– http://www.dec.ny.gov/animals/7059.html
“Many of these sites need annual management to protect the
birds during the nesting season. For example, necessary
bridge maintenance work must be conducted in a manner that
does not prevent the falcons from nesting successfully.”
“Falcons do not build stick nests like most hawks and the eggs
can roll off bridge girders or get broken on window ledges.”
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Case Study 3: Saving an Endangered
Species
• Environmental Case Study:
– New York State, Department of Environmental Conservation – Division of Fish, Wildlife and
Marine Resources, Endangered Species Unit
– http://www.dec.ny.gov/animals/7059.html
“Wooden nest boxes filled with gravel are placed at many of the
sites to increase productivity. These boxes need periodic
replacement.”
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Case Study 3: Saving an Endangered
Species
• Environmental Case Study:
– New York State, Department of Environmental Conservation – Division of Fish, Wildlife and
Marine Resources, Endangered Species Unit
– http://www.dec.ny.gov/animals/7059.html
Photo Credit: Dave Garnder
![Page 93: Further Discussion of "LEED for Bridges"](https://reader033.fdocuments.us/reader033/viewer/2022051400/559473181a28abd8548b45f7/html5/thumbnails/93.jpg)
Case Study 3: Saving an Endangered
Species
• Environmental Case Study:
– New York State, Department of Environmental Conservation – Division of Fish, Wildlife and
Marine Resources, Endangered Species Unit
Photo Credit: New York Department of Transportation
Installation of nesting
boxes on Dunn
Memorial Bridge
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Case Study 3: Saving an Endangered
Species
• Environmental Case Study:
– New York State, Department of Environmental Conservation – Division of Fish, Wildlife and
Marine Resources, Endangered Species Unit
– http://www.dec.ny.gov/animals/7059.html
– Addition of nesting boxes on existing bridges is not onerous.
– Addition of nesting boxes can be included on new Hudson
River bridges going forward.
– Has been great success!
– Concept has been applied elsewhere...
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Case Study 3: Saving an Endangered
Species
• Environmental Case Study:
– Connecticut Department of Transportation, P.T. Barnum Bridge
Photo Credit: Connecticut Department of Transportation
Installation of nesting
boxes on P.T. Barnum
Bridge
Photo Credit: Connecticut Department of Transportation
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Conclusions
• Conclusions:
– We can live with nature in a responsible manner.
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Conclusions
• Conclusions:
– We can live with nature in a responsible manner.
– Engineers should try to accommodate energy-efficiency and
environmental soundness during design.
![Page 98: Further Discussion of "LEED for Bridges"](https://reader033.fdocuments.us/reader033/viewer/2022051400/559473181a28abd8548b45f7/html5/thumbnails/98.jpg)
Conclusions
• Conclusions:
– We can live with nature in a responsible manner.
– Engineers should try to accommodate energy-efficiency and
environmental soundness during design.
– Generally doesn’t involve much more than we already have to
consider; may even help solve other design issues.
![Page 99: Further Discussion of "LEED for Bridges"](https://reader033.fdocuments.us/reader033/viewer/2022051400/559473181a28abd8548b45f7/html5/thumbnails/99.jpg)
Conclusions
• Conclusions:
– We can live with nature in a responsible manner.
– Engineers should try to accommodate energy-efficiency and
environmental soundness during design.
– Generally doesn’t involve much more than we already have to
consider; may even help solve the problem.
– “If for no other reason, do it for the baby peregrine!”
![Page 100: Further Discussion of "LEED for Bridges"](https://reader033.fdocuments.us/reader033/viewer/2022051400/559473181a28abd8548b45f7/html5/thumbnails/100.jpg)
Conclusions
• Conclusions:– We can live with nature in a responsible manner.
– Engineers should try to accommodate energy-efficiency and environmental soundness during design.
– Generally doesn’t involve much more than we already have to consider; may even help solve the problem.
– “If for no other reason, do it for the baby peregrine!”
• Additional Information:• http://www.fhwa.dot.gov/environment/wildlifeprotection/
• http://www.sierraclub.org/sprawl/report02/
• http://www.fhwa.dot.gov/safetealu/
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Conclusions
• Obligatory Cute Animal Photo...
Photo Credit: Connecticut Department of Transportation
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Conclusions
• Obligatory Cute Animal Photo...
Photo Credit: Connecticut Department of Transportation
QUESTIONS?