Hayat Tazir, P.E.
Senior Bridge Engineer
Registrations:
Professional Engineer in
Massachusetts (42666);
California (60823)
Academic
Achievements:
1992, CE - Civil
Engineer, Course 1 - Civil
& Env Eng
1988, SM - Master Of
Science, Course 1 - Civil
& Env Eng
Ingenieur D’Etat, Ecole
Nationale Polytechnique,
Algiers, Algeria, 1984
Lectures:
Lecturer, Shanghai
World Expo, 2012
Professional Activities:
Member, American
Institute of Steel
Construction (AISC)
Ms. Tazir has more than 15 years as a bridge engineer. She has worked on longspan bridge projects such as the historic Verrazano-Narrows Bridge and the
new San Francisco-Oakland Bay Bridge east span replacement. Her
responsibilities include structural analysis and design of bridges. Her relevant
projects include:
San Francisco-Oakland Bay Bridge East Span Replacement, California
Ms. Tazir is serving as a Project Engineer for the construction of this new steelbox, self-anchored suspension (SAS) bridge with a 385m main span and a back
span of 180m. Ms. Tazir is located on-site at the working drawing campus,
where she is responsible for resolving contractor RFI issues and
coordinating/communicating with her drawing/calculation staff and the
Contractor. Ms Tazir spent one year and a half on-site in China, where she was
the Design Team Lead for the SAS box girder fabrication support. Previously,
she served as the Team Lead for shop drawing production. This record-setting
bridge is due to open to traffic in 2013.
Autoroute 25 (A-25) Bridge, Montreal, Canada
Ms. Tazir served as Project Engineer for the tender design of a new 3,937 ft toll
crossing of the Prairies River. The bridge is part of the Autoroute 25 Extension,
an extensive project that will close the gap between Boulevard Henri-Bourassa
and Autoroute 440, the one section of the 30-mile highway which is currently
made up of arterial roads. The extension project is due for completion in 2010
and will be delivered as a public-private partnership. Ms. Tazir was responsible
for the 30% design of the post-tensioned concrete box girder alternative,
design/quantity take-offs for foundation design, and the Seismic Design Criteria
report.
Verrazano-Narrows Bridge, New York, New York
Ms. Tazir served as Project Engineer for the seismic evaluation and conceptual
retrofit design of this bridge, the largest span in the Americas. The project also
included modeling and field measurement of bridge local and global vibrations
during the New York City marathon, and evaluation of the effects of those
vibrations on the runners.
Hurricane Gulch Arch Bridge, Alaska
Ms. Tazir performed live load analysis for the load rating and structural
assessment of the Hurricane Gulch Bridge, a two-hinged deck arch bridge with
a main span of 407 feet and a rise of 58 feet. The bridge deck consists of a
reinforced concrete slab supported on longitudinal stringers, which are in turn
supported on transverse floorbeams. The steel arch ribs are founded on
reinforced concrete skewback footings embedded in the walls of a canyon. Ms.
Tazir’s load rating included analysis of the deck, stringers, floorbeams,
columns, arch ribs, and other load carrying members. She identified
deficiencies and provided recommendations to the Alaska Department of
Transportation and Public Facilities.
Alabama Street Bridge, Redlands, California
Ms. Tazir served as Primary Design Engineer for this 400-foot cast-in-place,
prestressed concrete girder bridge across the Santa Ana River. The $15 million
Alabama Street Bridge is one of two new bridges replacing existing low-flow
crossings that have been subject to frequent overtopping and road closure.
Located in an environmentally-sensitive natural watershed area, the bridge
required special design and construction considerations. Ms. Tazir performed
analysis such as design calculations and detailing, in addition to checking the
drawings for the final plans, specifications and estimates (PS&E) package.
First Avenue Bridge over Maple Canyon in San Diego, California
Ms. Tazir performed the nonlinear pushover analysis for the seismic retrofit
design of this historic steel arch bridge constructed in 1931. An initial linear
analysis indicated that the structural braces needed to be retrofitted, especially
considering the seismic design loading of the bridge had increased by 60
percent since the previous retrofit design was performed in 1988. A more
refined pushover analysis to determine displacement capacity in the transverse
direction, performed by Ms. Tazir, helped determine there was sufficient
capacity for the bridge to withstand a maximum credible earthquake without
collapse.
Preliminary and Final Scoping Packages for Various Route Locations,
Wayne, Macomb, St. Clair and Oakland Counties, Michigan
Ms. Tazir served as Staff Engineer for this Michigan Department of
Transportation project, the preliminary and final roadway scoping services for
27 local road corridors in the Michigan Metro Region. The scoping process will
identify and analyze potential issues that require upgrade or rehabilitation;
develop a realistic estimate of total project cost; and identify areas that require
detailed review and evaluation in the design phase.
Logan International Airport Terminal Area Roadways Design Project,
Boston, Massachusetts
For this Massachusetts Port Authority project, Ms. Tazir served as Structural
Designer for portions of a 6,000 linear feet viaduct system of a new upper-level
roadway servicing the departures level of the passenger terminals. The spans
range from 60 ft to 160 ft. Design of the system included the internally and
externally post-tensioned cast-in-place concrete box girder superstructure, a
transversely post-tensioned deck system, reinforced concrete columns and
reinforced concrete drilled shaft foundation elements.
Logan International Airport Terminal Area Roadways Construction Phase
Services, Boston, Massachusetts
For this Massachusetts Port Authority project, Ms. Tazir served as Project
Engineer responsible for reviewing shop drawings for conformance with design
concepts and compliance with the Contract Documents, responding to requests
for information from the Contractor and the Construction Manager, evaluating
Contractor's corrective actions in response to notices of construction noncompliance, and revising contract documents in response to Contract Change
Requests. Responsibilities also include site visits to resolve construction
conflicts or to evaluate non-compliant situations, and attending weekly progress
scheduling meetings with the Contractor and Construction Manager.
I-90/Logan Airport Interchange, Section D007D of the CA/T Project,
Boston, Massachusetts
Redesign of ramp DTA (Enplanning Roadway to Terminal A). Ms. Tazir was
the Structural Designer responsible for the design of precast prestressed butted
box beams unit and the corresponding substructure. She also reviewed shop
drawings and performed constructions phase services for multiple cast-in place
prestressed concrete viaduct units varying in length up to 500 feet.
Duxbury Bridge, Duxbury, Massachusetts
Ms. Tazir reviewed shop drawings and performed constructions phase services
for the Duxbury bridge, a two-span precast prestressed concrete box girder
bridge with a composite deck. The project client was the Massachusetts
Highway Department.
Massachusetts Institute of Technology, Cambridge, Massachusetts
Ms. Tazir performed post-failure analysis of a structure which collapsed during
concrete pouring, to identify likely causes of collapse.
Massachusetts Institute of Technology, Cambridge, Massachusetts
Ms. Tazir conducted preliminary research on damage controlled building
structures. The concept relates to an innovative seismic design approach using
non-critical members to absorb the structure’s seismic energy.