For more than three decades,
Zachry Nuclear, Inc. has provided
engineering, design and project
management services to the
operating U.S. nuclear fleet,
with extensive PWR and BWR
experience at the majority of
the U.S. Commercial Fleet. The
technical knowledge, experience
and capabilities of the staff assist
plant owners in support of a wide
variety of operational, regulatory,
maintenance, and upgrade needs.
Headquartered in San Antonio,
Texas, Zachry Nuclear has
offices located throughout the
United States in Stonington, CT;
Charlotte and Cary, NC; Richland,
WA; and Chicago, IL. They offer
mechanical, electrical, controls
and civil/structural engineering
professionals and designers
who are knowledgeable and
experienced in power plant
systems; engineering analysis
and modification package
development; and startup
of power plant systems and
components. Zachry Nuclear is
a qualified nuclear QA supplier;
all services are performed in
accordance with their Nuclear
Quality Program, which complies
with 10CFR50 Appendix B and
ASME NQA-1 (1994), and has been
successfully audited by NUPIC.
Zachry Nuclear’s full range of
engineering and design services
are backed by years of nuclear
power plant system experience
and practical application of
time-tested solutions. Their
engineers, designers, project
managers and system analysts
have an impressive combination
of training and experience. When
you have a design need, Zachry
assembles a fit-for-purpose team
for the job, taking into account
employees’ specialties, education,
skills and expertise. Zachry utilizes
industry-recognized design tools
and processes, including an in-
house Failure Modes and Effects
Analysis (FMEA) procedure that
fully evaluates proposed system
modifications to ensure they will
operate effectively and without
error. The Numerical Applications
Division (formally NAI) has
consistently provided the industry
with state-of-the-art modeling
techniques and approaches for
containment response and area
heat-up during both design and
beyond design basis events. This
division of Zachry Nuclear provides
a wide spectrum of engineering
analysis services including thermal
hydraulic, radiological, chemical,
core physics and safety analysis,
and is the leading developer of
nuclear software including Proto-
FLO™, Proto-HX™, Proto-HVAC™,
Proto- Sprinkler™, CentralStor™,
RADTRAD-NAI™ and GOTHIC™*
computer code and applications.
GOTHIC™, as applied by Numerical
Applications, has become the
industry standard for containment
modeling and analysis, and
has been extensively utilized in
operating and new plant licensing
activities. Their team also has
considerable experience using
industry-standard software tools
such as RELAP and RETRAN.
The Zachry team delivers high-
quality design with the utmost care
and strict adherence to safety and
regulatory requirements. With a
focus on cost-effective operations,
Zachry engineers investigate plant
performance problems; assess
compliance to code and regulatory
requirements; perform feasibility
studies; develop conceptual
designs; evaluate the cost and
effectiveness of plant upgrades;
and prepare detailed plant design
changes including specifications
and drawings for plant
construction and modifications.
* This product incorporates technology
developed for the Electric Power Industry
under the sponsorship of EPRI, the
Electric Power Research Institute.
A D V E R T I S E M E N T
Company Profile: Zachry Nuclear, Inc.
SPECIAL ADVERTISING SECTION
