Safety Evaluation Of Indian Nuclear Power Plants Post Fukushima Incident
Maximum Wave Height of tsunami
considered at the Fukushima NPP site was 5.7 m.
Maximum
Maximum
Ground
Level
Assumed
Height
Tidal Level
2011 East
Tsunami
1960
at the site
Height
Chilean
Tsunami
1965
Typhoon
Japan
Earthquake
No.28
Unit 1, 2, 3
and 4
O.P.+10m
5.5 m
15 m (*4)
O.P.+3.122
7.94m
(Observed
m
Unit 5 and
O.P.+13m
5.6 m
by TEPCO)
6
Note: The level of seawater pump for cooling system was set at O.P. +5.6 m.
Note: O.P.: ONAHAMA Peil (Average tidal level at Onahama is set as a referenced point. Onahama is
about 50km south of the site, and the level of the observation point is -0.918 m above sea level.)
Note(*4): TEPCO released the observation results on April 9, 2011. In the area of Units 1 to 4 most
buildings were immersed in 4 to 5 m seawater. In the area of Units 5 and 6 building were immersed
In 1 m seawater.View entire presentation