Page 21 - AERB Annual Report 2020

Shri G. Nageswara Rao, Chairman, AERB and Dr. A. K. Mohanty, Director,
BARC signing an Agreement for Technical and Scientic Support

construction activities were initiated and Clearance for Excavation to KKNPP-5&6 was
remained in progress for safety related buildings. issued on November 14, 2018 with certain
As part of FPC stipulations, AERB carried out stipulations. Excavation of main plant area was
review of design adequacy checks for critical completed. Review of analysis reports for safety
locations of civil structures following AERB safety related buildings was completed. KKNPP-5&6
standards, and of concrete mix designs for normal submitted application for FPC along with PSAR
and heavy concrete. Additionally, NPCIL and review of the same is in progress.
requested for erection of core catcher. The request
was reviewed and erection of Core Catcher was Commissioning activities are in progress at
also completed. NPCIL submitted Application for Prototype Fast Breeder Reactor (PFBR).
Erection of Major Equipment (MEE) in August Subsequent to AERB clearance, 42 fresh fuel sub-
2020 which is under review. assemblies (FSA) were received and safely stored
in the storage facility. AERB is monitoring the
aspects related to safe storage of these FSAs.
Towards rectication of Large Rotatable Plug
(LRP) bearing, works related to inspection of load
and spacer balls, greasing, placing of balls on
bottom race and top race activities were
completed. Further testing activities and
inspection of back-up seal in LRP were in
progress.

After satisfactory review of light water
commissioning activities and tests associated
View of KKNPP-3&4 with moderator and auxiliary systems in Unit-3 of

AERB Annual Report 2020 xvii