ONE WORLD TRADE CENTER PROJECT CREDITS
The Port Authority of New York & New Jersey
Patrick J. Foye, Executive Director
Steven Plate, Deputy Chief of Capital Planning/Director of World Trade Center Construction
Beth Wolfowitz, Acting Director, World Trade Center Redevelopment
The Port Authority of New York & New Jersey Executive Directors
Christopher O. Ward (2008–2011)
Anthony E. Shorris (2007–2008)
Kenneth J. Ringler Jr. (2004–2007)
Joseph J. Seymour (2001–2004)
Ronald Shiftan (interim, 2001)
Neil D. Levin (March 2001–Sept. 11, 2001)
The Port Authority of New York & New Jersey Deputy Executive Directors
Deborah L. Gramiccioni (2013–2015)
William Baroni Jr. (2010–2013)
Susan Bass Levin (2007–2010)
James P. Fox (2004–2007)
Michael R. DeCotiis (2002–2004)
Ronald Shiftan (1998–2002)
Governors of New York
Andrew Cuomo (2011–present)
David Paterson (2008–2010)
Eliot Spitzer (2007–2008)
George E. Pataki (1995–2006)
Governors of New Jersey
Chris Christie (2010–present)
Jon Corzine (2006–2010)
Richard Codey (2004–2006)
James E. McGreevey (2002–2004)
Donald DiFrancesco (2001–2002)
Christine Todd Whitman (1994–2001)
Mayors of New York City
Bill de Blasio (2014–present)
Michael R. Bloomberg (2002–2013)
Rudolph W. Giuliani (1994–2001)
Chair, The Port Authority of New York & New Jersey
John J. Degnan (2014–present)
David Samson (2011–2014)
Anthony R. Coscia (2003–2011)
Jack G. Sinagra (2001–2003)
Lewis M. Eisenberg (1995–2001)
Vice Chair, The Port Authority of New York & New Jersey
Scott H. Rechler (2011–present)
Henry R. Silverman (2007–2011)
Charles A. Gargano (1995–2007)
The Port Authority of New York & New Jersey Board of Commissioners, 2001–present
Richard H. Bagger
Virginia S. Bauer
Bruce A. Blakeman
Michael J. Chasanoff
Anthony R. Coscia
Kathleen A. Donovan
Lewis M. Eisenberg
Christine A. Ferer
Angelo J. Genova
Stanley E. Grayson
Fred P. Hochberg
H. Sidney Holmes III
Charles Kushner
George R. Laufenberg
Kenneth Lipper
Jeffrey H. Lynford
David S. Mack
William J. Martini
Jeffrey A. Moerdler
Basil A. Paterson
Alan G. Philibosian
Raymond M. Pocino
Bradford J. Race Jr.
Rossana Rosado
James P. Rubin
Anthony J. Sartor
William Schuber
Anastasia M. Song
David S. Steiner
James Weinstein
The Durst Organization
Douglas Durst, Chairman
Jonathan (Jody) Durst, President
Thomas Duffe, Vice President and Director of Construction
Tony Tarazi, Senior Project Manager
Robert Becker, Director, OWTC
Jordan Barowitz, Director of External Affairs
Gary M. Rosenberg Esq., Rosenberg & Estis
Silverstein Properties
Larry A. Silverstein, Chairman
John “Janno” Lieber, President, World Trade Center Properties
David Worsley, Head of Construction, World Trade Center
Dara McQuillan, Chief Marketing Officer
Owner/Developer: The Port Authority of New York & New Jersey
Owner’s Representative: STV Inc.
Developer: The Durst Organization
Original Developer: World Trade Center Properties, LLC/Silverstein Properties, Inc.
Leasing: The Port Authority of New York & New Jersey; The Durst Organization; Cushman & Wakefield, Inc.
Architect
Skidmore, Owings & Merrill LLP (SOM)
David M. Childs, FAIA, Design Partner
T. J. Gottesdiener, FAIA, Managing Partner
Kenneth A. Lewis, AIA, Managing Director
Carl Galioto, FAIA, Technical Design Partner (2004–2009)
Jeffrey Holmes, AIA, Associate Design Partner (2003–2008)
Nicholas Holt, AIA, Technical Director
Nicole Dosso, AIA, Senior Technical Architect
Julie Hiromoto, AIA, Project Manager
Frank E. Mahan, AIA, Senior Design Architect
Structural Engineers
Structural Engineer of Record: WSP USA
Ahmad Rahimian, Ph.D., P.E., S.E., F.ASCE, Director of Building Structures
Silvian Marcus, P.E., Director of Building Structures
Jeff Smilow, P.E., Director of Building Structures
Yoram Eilon, P.E., Senior Vice President
Oded Abir, P.E., Associate
Frank Mannino
Mihaela Cismigiu
Sam Perel, P.E.
Marc Collela
Anthony Tarantino, P.E.
Charles Guerrero, Vice President, Director of CADD Operations
Anthony Cazzola, Senior BIM Coordinator
Bram Nanandhan, Senior BIM Coordinator
Evangeline Durham, Structural BIM Technician
Structural Engineer (spire/cable net wall): Schlaich Bergermann und Partner
Structural Engineer (below-grade structure): Leslie E. Robertson Associates
Protective Design Engineer: Weidlinger Associates
MEP Engineer/Sustainability: Jaros Baum & Bolles, Inc.
Vertical Transportation: Steven Kinnaman & Associates
Civil and Transportation Engineer: Philip Habib & Associates
Geotechnical Engineer: Mueser Rutledge Consulting Engineers
Façade Consultant: Vidaris, Inc.
Wind Analysis: Rowan Williams Davies & Irwin Inc.
Main Contractor
Tishman/AECOM Construction Corp.
One World Observatory
Developer: Legends
Observatory Experience Design, Production, and Installation: The Hettema Group
Overall Project Architect: Montroy Andersen DeMarco
Observatory Facility Design: The Hettema Group and Montroy Andersen DeMarco
Observatory Construction: RM Construction
SOM Consultants
Acoustics: Cerami & Associates
Broadcasting: Metropolitan Television Alliance
Code Consultants: Code Consultants, Inc.
Collaborating Artist (spire): Kenneth Snelson
Digital Animations: Screampoint
Digital Visualizations: DBOX; SWIM; Qubdesign; aexen; The Seventh Art; by-encore
Exhibition: Ralph Appelbaum Associates
Façade Maintenance: Citadel Consulting/Lerch Bates Consulting
Landscape Architects: Mathews Nielsen Landscape Architects; PWP Landscape Architecture
Lighting: Claude R. Engle
Lighting (Podium): Scott Matthews with Brandston Partners Inc.
Models: Radii Inc.; Saleh & Dirani; Bill Wunder
Pedestrian Traffic Modeling: Booz Allen Hamilton
Photography (model): Jock Pottle/ESTO
Photography (building): James Ewing; Iwan Baan
Security: Ducibella Venter & Santore; Weidlinger Associates
Signage: Pentagram
Sustainability Consultants: Viridian; Steven Keppler & Associates
SUPPLIERS, MANUFACTURERS, AND CONSULTANTS
Steel Manufacturers
Tower and below-grade steel: ArcelorMittal International (Luxembourg); Nucor Yamato (AR); ArcelorMittal (PA)
Spire steel: Timken Company; Vallourec Tubes; ArcelorMittal
Structural System
Steel fabricator (below grade): Banker Steel Company
Steel fabricator (above grade): DCM Erectors Inc. (US)
Steel erector: DCM Erectors Inc. (US)
Steel spire: ADF Group Inc.
Custom concrete mix: Eastern Concrete Materials, Inc.; Empire Transit Mix Inc.; Quadrozzi Concrete Corp.
Concrete contractor (foundation): The Laquila Group Inc.
Concrete contractor (superstructure): Collavino Construction Company
Concrete Manufacturers and Suppliers
Cement manufacturers Lafarge North America Lehigh Cement Company Essex Cement Company LLC CEMEX USA/Hidalgo
Fly-ash manufacturers Separation Technologies, LLC Mineral Resources Technologies, Inc., a CEMEX Company
Blast furnace slag suppliers Holcim US Inc. Lafarge North America
Aggregate Coarse aggregate: New York Sand & Stone; Tilcon New York Inc. Fine aggregate: Roanoke Sand & Gravel Corp.; East Coast Mines & Materials Corp.
Concrete admixtures Foundation: The Euclid Chemical Company; Grace Construction Products Superstructure: BASF Construction Chemicals; Sika Corp.
Concrete formwork System and accessory supplier: EFCO Corp. Shoring supplier: Engineered Devices Corp.
Reinforcing steel and accessories supplier Barker Steel LLC, a Harris Rebar Company DYWIDAG-Systems International SAS Stressteel, Inc.
Rebar supports and accessories Meadow Burke Erico Dayton Superior
Cladding
Curtain wall: Benson Industries, Inc.
Insulating glass units: Viracon
Glass: Guardian Industries
Podium: Permasteelisa North America
Podium glass fins: Interpane
Podium glass-fin processor: Bischoff Glasstechnik AG
Stainless steel corners: Pohl Inc. of America
Lobby glass walls: APG International Exterior wall sealant: Dow Corning
Interior Finishes
Stone installation: Port Morris Tile & Marble Corp.
Lobby stone (Larissa White Marble): Savema S.P.A.
Lobby stone (Mesabi Granite): Cold Spring Granite
Podium stone: Mount Airy Granite
Marble quarry: Franchi Umberto Marmi
Electrical Contractors
Five Star Electric Corp.
Lighting
Spire: Barbizon Lighting Company
Podium LED lighting: Philips Color Kinetics
Beacon fabricator: Kammetal
Beacon light fabricator: Syncrolite
Conveyance
Elevators/escalators: ThyssenKrupp Elevator America
Elevator cabs: National Elevator Cab & Door Corp.
Plumbing
WDF, Inc.
Additional Suppliers
Carpentry: Component Assembly Systems
Fire protection: Rael Automatic Sprinkler Co., Inc.
Fireproofing: Grace
Firestopping: Hilti USA
Fuel cells: UTC Power, a United Technologies Company
Lumber: Feldman Lumber
Mechanical: ASM Plumbing and Heating
Millwork: Bauerschmidt & Sons
Ornamental metal: Airflex Industrial, Inc.
Turnstiles: Kouba Systems, Inc.
Waterproofing: Jobin Waterproofing Corp.
Additional Contributors
Arnold & Porter
ARUP Communications
Battle McCarthy/London
Block & Associates
Cini-Little International Inc./New York
Clean Air Communities
Community Board No. 1
Connelly McLaughlin & Woloz
Edelman Arts
Edgett Williams Consulting Group, Inc.
Edison Properties, LLC
Green Order, NY
Hanson Professional Services Inc.
HNTB Corp.
Lawrence Berkeley National Laboratory
Lower Manhattan Development Corporation
New York City Department of City Planning
New York City Department of Transportation
New York State Department of Transportation
New York State Energy Research and Development Authority
Northeast States Center for a Clean Air Future
Richard Harris Podolsky, Ph.D.
TransSolutions
University of Illinois—Urbana-Champaign
University of Western Ontario
U.S. Department of Energy
Wachtell, Lipton, Rosen & Katz
Steven Winter Associates, Inc.
Young Clark & Associates
Port Authority Team
Alan Reiss, Deputy Director, WTC Construction
Thomas O’Connor, Deputy Director, WTC Construction
Brian Hegarty, Program Director, WTC Construction
Ron DeVito, Assistant Director, WTC Construction
Michael Mahesh, Senior Engineer/Photographer
Solange Osorio, Executive Assistant to the Director
STV Project Management Team
Milo Riverso, Project Executive
John McCullough, Project Executive
Bruce Fox, Project Executive
Eduardo del Valle, Director of Design
Bruce Gombos, Design Manager
Mike Flaherty, Director of Field Operations
Sassan Manii, Project Manager
Julie Valerio, Project Manager
Thales Savas, Project Manager
Jacqueline Mascoli, Project Manager
Miquel Verhagen, Project Manager
Mark Sheehan, Project Manager
Robert Dries, Field Manager
Ted Gardner, Field Manager
Stephanie Dreher, Project Engineer
Michael Cafiero, Project Engineer
Louis Berger Group Program Management Team
Michael Donovan, P.E., Program Director
Steve Hill, Senior Program Manager
Michael Hessemer, P.E., Assistant Program Manager
Jason Tirri, Assistant Program Manager
Mark Hamilton, Assistant Program Manager
Steve Weeks, Senior Cost Engineer
Chi Ling Moy, Communications Manager
Jason Brown, Senior Scheduler
Victor Nordstrom, Graphics & Network Support/Photographer
Julie Sullivan, Executive Administrative Assistant
Jacqueline Alleyne, Document Control Manager
Celeste Albanese, Administrative Assistant
Ed Orlando, Cost Program Manager
Tishman/AECOM Construction Team
Jean P. Arboleda
Marc S. Becker
Antoine T. Bernard Jr.
Lawrence J. Bourguet
Carolyn Caranante
Angela M. Canterbury
Joseph Capone Jr.
Bilal Capri
Tammy Cossean
Donna DePaolo
John A. Di Capua
Tara L. Doyle
Kevin T. Flynn
Lucia Giron Nanne
Jeffrey A. Holmes
Adam C. Jones
Steven J. Martinez
Charlette M. Pellot
Michael Pezzuto
Michael Pinelli
Katrina E. Pratt
Eduard Prom
Flora M. Ramos
Joseph A. Ricco
Dion L. Rivera
Hector E. Rodriguez
Marla Rothlein
Charles J. Sperling
Andrew K. Syvertsen
Michael D. Tomechko
Brian D. Troast Jr.
Vitaly Tropp
Dennis Valeri
Michael T. Vitelli
SOM Team, 2005–present
Steven Abel
Ajmal Aqtash
Angelo Arzano
John Ashton
Nabil Awad
Reiner Bagnato
Jonathan Baker
Lucia Bartholomew
Jennifer Bernell
Charles Besjak
Jessica Buckley
Natalie Carlson
Pamela Casella
Sophia Cha
David Chalmers
Wilson Chao
Nancy Cheung
Sung Ik Cho
James Cifuentes
Monica Coghlan
Alexandra Cuber
Mihai Craciun
Evan Cronly
Jonathan Dans
George De Brigard
Serge Demerjian
Owen Detlor
Andrew Donaldson
Balsam El-Ariss
Julia Ellinwood
Lick Fai
Peter Fajak
Michelle Falce
Manolo Figueroa
Joerg Flachowsky
Brent Fleming
Simon Frommenwiler
Babak Ghezelayagh
Amber Giacomelli
Richard Goodstein
David Gwinn
Catherine Haley
Gary Hansen
Aarij Hashimi
Raymond Hidalgo
Eric Ho
Olivia Holub
Ya-Ching Hsueh
Alfred Huang
Makida John-Baptiste
Matthew Jull
Neil Katz
Michael Kim
Russell Kim
Soerynn Kim
Nizam Kizilsencer
Matthieu Klein
Colin Koop
Christian Kotzamanis
Elizabeth H. Kubany
Wendy Lam
Louis Lee
Sang-Won Lee
Sophia Lee
Herbert Lynn
Amy Zi Mai
Donald Marmen
Lois Mazzitelli
Leo Molino
David Nguyen
Yuji Nishoka
Sara Ocampo
Kate Occhipinti
Christopher Olsen
Jocelyn Oppenheim
Sheryl Oring
Katherine Park
Alex Patterson
Mark Peterson
Simone Pfeiffer
Anna Pieczara
Gene Pyo
Dena Qaddumi
Benjamin Reich
Nicole Robertson
David Rodriguez
Diana Rodriguez
Rob Rothblatt
Jacob Rothman
Frank Ruggiero
Virginia Sanchez
Louise Sanseverino
Rashid Saxton
Sven Schroeter
Felix Scull
Fulay Senolsun
Ellen Shakespear
Anastasia Shimchick
Jim Simmons
Jeremy Singer
Shridhuli Solanki
Jeeun Song
Matt Stephenson
Dong Sun
Christoph Timm
Richard Tyler
Manola Ufer
Kathryn Van Nelson
Irene Vogt
Dan Weaver
Ross Wimer
Andrea Wong
Yeng Wu
Bill Wunder
Jaewoong Yi
John Zils
Teresa Zix
TRADE UNIONS THAT BUILT THE WORLD TRADE CENTER
International Brotherhood of Boilermakers, Iron Ship Builders, Blacksmiths, Forgers & Helpers
Boilermakers Local Lodge 5
United Brotherhood of Carpenters
Carpenters Local Union 20
Carpenters Local Union 45
Carpenters Local Union 157
Millwright and Machinery Erectors Local Union 740
Carpenters Local Union 926
Timbermen and Dockbuilders Local Union 1556
Resilient Floor Coverers Local Union 2287
International Brotherhood of Electrical Workers
Electrical Workers Local Union 3
International Union of Elevator Constructors
Elevator Constructors Local Union 1
International Association of Heat and Frost Insulators and Allied Workers
Heat and Frost Insulators and Allied Workers Local Union 12
Heat and Frost Insulators Local Union 12a
International Association of Bridge, Structural, Ornamental and Reinforcing Iron Workers
Iron Workers Local Union 40
Lathers Metallic Local Union 46
Derrickmen and Riggers Local Union 197
Iron Workers Local Union 361
Ornamental Iron Workers Local Union 580
Laborers’ International Union of North America
Blasters, Drill Runners and Miners Local Union 29
Concrete Workers District Council 16
Cement and Concrete Workers Local Union 6-A
Cement and Concrete Workers Local Union 18-A
Cement and Concrete Workers Local Union 20
Asbestos, Lead and Hazardous Waste Laborers Local Union 78
Construction and General Building Laborers Local Union 79
Building Concrete, Excavation and Common Laborers Local Union 731
Pavers & Roadbuilders District Council, Laborers Local Union 1010
International Union of Operating Engineers
Operating Engineers Local Union 14
Operating Engineers Local Union 15, 15a, 15b, 15c, and 15d
Operating Engineers Local Union 30
Operating Engineers Local Union 94
Operating Engineers Local Union 825
International Union of Painters and Allied Trades
Painters District Council 9
Metal Polishers Local Union/8a
Painters Structural Steel Local Union 806
Glaziers Local Union 1281
Drywall Tapers Local Union 1974
Operative Plasterers’ and Cement Masons’ International Association of the United States and Canada
Plasterers Local Union 262
Cement Masons Local Union 780
United Association of Journeymen & Apprentices of the Plumbing & Pipefitting Industry of the United States & Canada
Plumbers Local Union 1
Steamfitters Local Union 638
United Union of Roofers, Waterproofers and Allied Workers
Roofers and Waterproofers Local Union 8
Sheet Metal Workers’ International Association
Sheet Metal Workers Local Union 28
Sheet Metal Workers Local Union 137
International Brotherhood of Teamsters
Teamsters Local Union 282
Private Sanitation Local Union 813
Teamsters Local Union 814
International Union of Bricklayers and Allied Craftworkers
Bricklayers Local Union 1
Tile, Marble and Terrazzo B.A.C. Local Union 7
Service Employees International Union
Union Local 32BJ