Page 13 - AERB Bulletin English

Nuclear Power Projects-Construction

Light Water Reactors (LWR)

AERB had earlier issued the Siting Consent for 4 more Russian design VVERs (KKNPP 3-6) each of
1000 MWe at Kudankulam site in February, 2011. The reactors are of similar design as KKNPP-1&2.
Subsequently, AERB had granted clearance for First Pour of Concrete (FPC) to KKNPP-3&4 on June 23,
2017 with certain stipulations. Presently, civil construction work is in progress at KKNPP-3&4.

KKNPP-3&4

During the year 2019, AERB review of revised
Preliminary Safety Analysis Report (PSAR) w.r.t.
Reactor Coolant System, Engineered Safety
Features, I&C, Electrical Systems, Radioactive Waste
Management System and Radiation Protection &
salient changes is in progress.
Design Basis Report (DBR) on system for retention
and cooling of molten core (core catcher) was also
reviewed along with erection of core catcher of
KKNPP-3&4. AERB also carried out review of design
adequacy checks for critical locations and concrete
mix designs for normal and heavy concrete. Core Catcher erection in KKNPP-3

KKNPP-5&6 application for FPC along with relevant PSAR
Chapters is under review with major focus on design
AERB granted Clearance for Site Excavation to
differences w.r.t. KKNPP-3&4.
KKNPP-5&6 in November 2018. KKNPP-5&6

Liner Erection Works in Reactor Building of KKNPP-4

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AERB BULLETIN 2019
AERB BULLETIN 2019