National Mall Underground - cfa.gov
Transcript of National Mall Underground - cfa.gov
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National Mall
Underground
presented by the
National Mall Coalition
before the
Commission of Fine Arts
October 21, 2021
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Source: Carol Highsmith
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Federal Triangle area
June 25th-26th, 2006
IRS Building
Source: GSA
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Pooling of stormwater
Visualization of 2006 flood
Source: Arthur Cotton Moore FAIA
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June 3, 1889
(Source: NOAA Photo Library)
7th Street, NW
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Washington Navy Yard, 1936Source: U.S. Naval Historical Center
U.S. Capitol
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Hains Point, East Potomac Park,1985 Source: Library of Congress
Washington Monument
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July 8, 2019
Source: Alex Brandon/AP
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Tidal Basin, 2008 Source: author
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NOAANPS
DC Water
FEMA GSA U Md
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DC & Federal Agencies
Source: DC Silver Jackets
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NationalParkServicePresident’sPark
(WhiteHouse)Division
NationalParkServiceNationalMall&MemorialParks
DistrictofColumbiaGovernment
USHolocaustMemorial
Museum
Portals(private)
CSXRailroad
USGeneralServicesAdministration USGeneralServicesAdministration
DCDepartmentofTransportation
(streetsandtunnels)
USDepartmentofAgriculture
WashingtonMetropolitanTransit
Authority(WMATA)MetroBlue,Silver,
OrangeLines
SmithsonianInstitution
GeneralServicesAdministration
ArchitectoftheCapitol
NationalGalleryofArt
SmithsonianInstitution
WMATAGreenandYellowLines
NationalMallCoalition2018
Architect of the Capitol
SmithsonianNational
Park Service
National Gallery of Art
GSA
Source: National Mall Coalition
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National Mall Underground
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Federal AgenciesArchitect of the CapitolArmy Corps of EngineersCommission of Fine ArtsCouncil on Environmental QualityEPAFederal Emergency Management Agency (FEMA)IRSNational ArchivesNational Capital Planning CommissionNational Gallery of ArtNational Park ServiceSmithsonian InstitutionUSDAU.S. Dept. of Commerce
U.S. Dept. of Homeland SecurityU.S. Park PoliceU.S. Secret Service
District of ColumbiaDC Councilmembers (staff) Wells (sits on
NCPC) and McDuffie (sits on COG)DC Department of TransportationDC Water (WASA)DC Department of EnvironmentOffice of the MayorDC Office of PlanningWMATA
Congress White House
American Institute of Architects, DC ChapterAmerican Bus AssociationCommittee of 100 on the Federal CityDestination DCDC Historic Preservation LeagueDutch EmbassyFederal City CouncilGuild of Professional Tour Guides of Washington DC
Louis Berger GroupNewseumPenn Quarter AssociationSmithGroupTrust for Public LandTrust for the National Mall (NPS fundraising partner)Washington Post Editorial Board
Architects, Civic Groups
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Smithsonian Castle
Natural History CapitolWashington Monument
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VISITORS CENTER
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Castle
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Castle
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Castle
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Castle
$260 - $320 million
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Federal Triangle StormwaterDrainage StudyJuly 2011
Members of the Stormwater Working Group:
• General Services Administration (GSA) • District of Columbia Office of Planning (DCOP) • DC Department of the Environment (DDOE) • DC Homeland Security and Emergency
Management Agency (DC HS&EMA) • DC Water and Sewer Authority (DC Water) • Federal Emergency Management
Administration (FEMA) • National Archives and Records Administration
(NARA) • National Capital Planning Commission (NCPC) • National Gallery of Art (NGA) • National Park Service (NPS) • Smithsonian Institution (SI) • U.S. Department of Justice (US DOJ) • U.S. Environmental Protection Agency (US EPA) • Washington Metropolitan Area Transit Authority
(WMATA)
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Federal Triangle StormwaterDrainage StudyJuly 2011
Members of the Stormwater Working Group:
• General Services Administration (GSA) • District of Columbia Office of Planning (DCOP) • DC Department of the Environment (DDOE) • DC Homeland Security and Emergency
Management Agency (DC HS&EMA) • DC Water and Sewer Authority (DC Water) • Federal Emergency Management Administration (FEMA) • National Archives and Records Administration (NARA) • National Capital Planning Commission (NCPC) • National Gallery of Art (NGA) • National Park Service (NPS) • Smithsonian Institution (SI) • U.S. Department of Justice (US DOJ) • U.S. Environmental Protection Agency (US EPA) • Washington Metropolitan Area Transit Authority (WMATA)
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May 2, 2017
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“Flood risk from a storm of the
intensity that flooded the
Federal Triangle area in 2006
could be reduced significantly
during a flood event by
implementation of the
Underground.
. . . revenue potential from
parking fees and water credits
may offer self-financing
opportunities that attract a
public-private partnership.”
____________________________________________________________________________________
Prepared for:
Prepared by:
FINAL SEPTEMBER 2018
*Sectional view represents an early stage concept from 2014. The revised 2017 concept reviewed by USACE has two stories: the upper story for cars would not be flooded; the lower bus level would be used for stormwater storage.
*National Mall Coalition
Official Address:
Joseph D. West, Registered Agent c/o Gibson Dunn & Crutcher LLP 1050 Connecticut Avenue, N.W. Washington, D.C. 20046
Mailing Address:
P.O Box 4709 Rockville, MD 20849
NATIONAL MALL UNDERGROUND USACE TECHNICAL REVIEW
U.S. Army Corps of Engineers, Baltimore District
2 Hopkins Plaza Baltimore, MD 21201
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1. Aren’t there alternatives?
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National Capital Planning Commission (NCPC): “Interior Flooding in the District of
Columbia” (Urban Stormwater Workgroup Meeting, February 20, 2018):
https://www.chesapeakebay.net/channel_files/25880/interior_flooding_for_epa_20180215.pdf
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FINAL REPORT
October 2019
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“pumping station serving the Mall”
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“storage under the National Mall”
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Smithsonian Castle
Natural History
Capitol
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Source: Clark Construction
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Source: Clark Construction
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2. Won’t the Underground increase traffic
congestion?
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Amsterdam’s Museumplein park
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Washington National Cathedral
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Metropolitan Washington
Council of Governments
2015
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“. . . The proposed National Mall Underground would be the most
dramatic improvement in bus parking capacity if constructed.”
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“Water storage beneath the Mall (with no parking)”
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“Alternative A”: no cars, all buses
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3. Who will pay for it?
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“For federal and DC stakeholders, the National Mall Underground can
achieve a stormwater mitigation solution at significant cost savings in
comparison to the other alternatives thus far identified. Of equal value
to these federal stakeholders is that the financing plan is expected to
make use of existing federal contracting authorization programs to pay
for the project over time, avoiding the need for a substantial upfront
appropriation.”
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Smithsonian Castle
Natural History
Capitol
Irrigation water
Parking revenue
Stormwater credits
Clean energy credits
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4. Is the flooding danger really so great?
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1791 L’Enfant Plan
1901McMillan Plan
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Capitol
White House
Potomac Rivershoreline
Tiber Creek
1791 L’Enfant Plan
Washington Monument
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Constitution Avenue (old Tiber Creek)
1901McMillan Plan
Washington Monument
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Washington Monument
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Potomac Rivershoreline
Washington Monument
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Lincoln Memorial Jefferson
Memorial
Washington Monument
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Constitution Avenue (old Tiber Creek)
Lincoln Memorial Jefferson
Memorial
Washington Monument
Federal Triangle
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Sea Level Rise and Storm Surge Projections 2018
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CapitolWhite House
Washington Monument
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Capitol
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