3-5 Nov 2014 1

IAEA Technical Meeting on Engineering Responsibility and Design Authority Concept for the Review of Nuclear Power Plant Designs at Istanbul Technical University, Istanbul Turkey

3~5 November 2014

Nasir Mahmood Manager Fluid Systems Division

DNPEP, PAEC

Review of

Nuclear Power Plant Systems Design

3-5 Nov 2014 2

Pakistan’s Nuclear Power Program

NPP’s OPERATING CAPACITY (MW) COMMISSIONING YEAR

K-1 125 1972

C-1 325 2000

C-2 340 2011

NPP‘s UNDER CONSTRUCTION

CAPACITY (MW) EXPECTED COMM. YEAR

C-3 340 2016

C-4 340 2017

K-2 1000 2019

K-3 1000 2020

CJL Canal

Nuclear Aux. Bldg

Turbine Bldg

Circulating Pump house

Water Trtmt. Plant

Switch Yard

Reactor Building

Emergency Diesel Generator

3 3-5 Nov 2014

Implementation of Nuclear Power Program

Plants in operation or under-construction completed by foreign contractors on turnkey basis

K-1 complete turnkey by AECL

C-1, C-2, C-3 and C-4 turnkey by CNNC (except part of civil work)

K-2/ K-3 also turnkey by CNNC (except part of civil work)

3-5 Nov 2014 4

Pakistan Nuclear Power Program

3-5 Nov 2014 5

Supplier (CZEC)

Directorate of

Technical Support

Directorate of

Quality Assurance

Pakistan Nuclear Regulatory Authority

Directorate of

Nuclear Power Engineering (DNPE)

Operating Power Plants(CNPGS)

Member (Engineering)

Directorate General Nuclear Power Engineering

3-5 Nov 2014 22

CHAIRMAN (PAEC)

Member (Power)

Directorate General CNPGS

3-5 Nov 2014 23

Goals • Provide energy security • Achieve self reliance • Partnership between PAEC & industry • Develop design capability • Provide technical support to NPPs • Planning, studies & engineering of future NPPs

Responsibilities

• Site selection and evaluation, design, analysis of buildings and structures of NPPs • Review of Technical Annexure • Review of design and engineering documents • Interface with the designers/supplier • Interface with the regulatory body for licensing • Participation in basic and detailed design with designer • Have been involved in the preparation, review, acceptance, approval, implementation,

and management of design during design phase • Design and engineering of systems, components in PAEC scope. • Technical support to operating NPPs Dire

ctor

ate

Gen

eral

Nuc

lear

Pow

er E

ngin

eerin

g

3-5 Nov 2014 24

Coordination Department Received Documents

Plant Design Directorate

Reactor Design Directorate

Directorate of Civil and Structure

Review of Nuclear Power Plant System Design

CZEC Review Responsibility

Nuclear Power Engineering Directorate

3-5 Nov 2014 25

Plant Design Directorate

Fluid Systems Division

Mechanical Equipment Division

Electrical Division

Instrumentation and Control Division

Review Responsibility (cont..)

3-5 Nov 2014 26

Review of Design Documents Tw

o St

age

Revi

ew

Basic Design Documents

Detailed Design Documents

Design Inputs

• Commitments in the Technical

Annexure at the time of contract

• Reference Plant Relevant

documents/parameters

• Relevant Codes and Standards

• Issues raised in the review process

of PSAR/FSAR of operating plants

• Feedbacks from the operating plants

• Regulatory requirement if any

3-5 Nov 2014 27

Review Process

Coordination Directorate prepare a check list for review

• Responsible engineer review the document and produce comments

• Comments are further reviewed by a senior engineer of the relevant

discipline as per check list

• After finalizing the comments at senior engineer level comments are

forwarded to Manager of the relevant division

• Comments are reviewed at director level

• Forwarded to coordination Directorate

• Further reviewed and forwarded to CZEC or dropped

3-5 Nov 2014 28

Review of Detailed Design Documents

Review inputs:

• Commitments in the Technical Annexure at the time of contract

• Reference Plant Relevant documents/parameters

• Relevant Codes and Standards

• Issues raised in the review process of PSAR/FSAR of operating

plants

• Feedbacks from the operating plants

• Regulatory requirement if any

• To ensure the implementation of basic design review comments

3-5 Nov 2014 29

Technical Support By Supplier

3-5 Nov 2014 30

WHY?

Engineering support is essential to maintain design and configuration so as:

• To ensure the safe operation of NPPs • To maximize their availability and productivity

AREAS IN WHICH TECHNICAL SUPPORT IS PROVIDED

Responsible Designer support in various areas, including

• Specific research • Engineering services • Development of technical improvements • Analysis and testing

ASSISTANCE TO AN NPP OPERATING ORGANIZATION ON DESIGN DECISIONS

• "R & D " and designer can provide technical support to “services” • Feedback from the "service " are provided to "R & D" and "designer" to

enhance plant safety performance.

TECH

NIC

AL S

UPP

ORT

BY

SUPP

LIER