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The Technical Support Organization (TSO) was formally
established within PNRA in June, 2005 with the main objective of
strengthening and enhancing the existing regulatory capabilities
of PNRA to discharge its responsibilities regarding the licensing
of Chashma nuclear power plant unit-2 and for future nuclear facilities
to be installed in this country. The TSO of PNRA is called the centre
for Nuclear Safety (CNS).
The detailed functions and interfaces of TSO would comprise of
the following major components:
a |
Improving the skills and knowledge of the regulatory
personnel through specialized training at local and foreign
institutions, exchange visits to other nuclear regulatory bodies
and participation in seminars, conferences and research projects
etc. |
b |
Procurement of software needed to perform confirmatory and
audit calculations for design/beyond design bases accident analyses,
probabilistic safety analysis, seismic analysis, structural
analysis, computational fluid dynamics etc. |
c |
Developing strong documentation base and information centre
equipped with regulatory documents (such as regulatory guides,
review plans etc.) from countries such as USA, UK, Germany,
France etc. |
d |
Developing and strengthening bilateral links with nuclear
regulatory bodies of USA, China, etc. and international organizations
e.g. IAEA, NEA etc. |
The TSO will be headed by a Director General and comprise of three
Directorates namely, Directorate of Safety Analysis {at present
Directorate of Technical Support and Safety Research and Development
(TSD), Directorate of Technical Support at present Directorate of
Information Services (ISD)} and Directorate of Safety Review (yet
to be established).
Directorate of Safety Analysis
The Directorate of Safety Analysis {at present Directorate of Technical
Support and Safety Research and Development (TSD)} was established
with the main objective to provide technical support in safety review
and regulatory decision making to different Directorates of PNRA
in relationship with safety issues of nuclear power plants of (KANUPP
& CHASNUPP) and research reactors (PARR-I and PARR-II) of the
country. Other functions of TSD is to develop capability of performing
independent calculations and conduct safety research and development
work with an objective to perform audit /verification of the licensee’s
submissions in different areas of nuclear safety. These areas include
reactor design, thermalhydraulics, accident analysis structural
analysis, Computational Fluid Dynamic (CFD) analysis and Probabilistic
Safety Analysis (PSA). PC versions of state of the art computer
codes and plant simulators in these areas such as RELAP, MELCOR,
MACCS, CONTAIN, ANSYS, RISK SPECTRUM, etc. are being utilized for
developing independent capability to perform safety analysis.
Directorate of Safety Review
A Directorate of Safety Review is being established within TSO
to perform review and assessment of the licensee’s submissions
on the basis of national regulations and international codes guides
and standards. The review and assessment will provide input for
licensing decision making by PNRA. The Directorate of Safety Review
will have interface with the Directorate of Safety Analysis which
will provide independent analysis/audit calculations of the licensee’s
submission to support the review process. In addition, the Directorate
will have interface with the utilities and licensees for organization
of the safety review of a facility. Presently, the review and assessment
is being performed by one of the line Directorates of PNRA (NSD).
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