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Fig.7.14: Change in the Land use/ Land cover in the No Growth Zone of Kalpakkam Site
Agricultural land converted as build-up area and residential plot near Venkampakkam in the No Growth Zone. (source:
Google Earth Pro)

7.5 PROBABILISTIC SAFETY STUDIES The Core Damage Frequency (CDF) of Shutdown and
Low Power PSA has been found to be two orders of
7.5.1 Shutdown and Low Power Probabilistic Safety magnitude lower than internal events PSA-CDF.
Analysis (PSA)
7.6 EXPERIMENTAL STUDIES
The review of Shutdown and Low Power PSA report
(Rev-0) of MAPS-1&2 has been completed. The PSA 7.6.1 Cable Fire Studies in CFTF
has been carried out for one typical BSD of MAPS-1. The
BSD duration is divided into Plant Operating States (POS) Experiments on power and control cable fires were
with each POS of 2-5 days duration depending on the continued within Compartment Fire Test Facility (CFTF).
plant configuration. These POSs are modelled to cover The new set of experiments focused on investigating
the changing plant configuration due to maintenance. the effect of hydrocarbon / oil spill fires on power and

86 AERB Annual Report 2019