Modes and tech specs

Question 1

Mode 1

Answer 1

Power operation
>5 % rated thermal power

Question 2

Mode 2

Answer 2

Startup
< or = to 5% rated thermal power

Question 3

Mode 3

Answer 3

Hot standby
> or = 350 degrees

Question 4

Mode 4

Answer 4

Hot shutdown
350>Tavg>200 degrees

Question 5

Mode 5

Answer 5

Cold shutdown
< or = to 200 degrees

Question 6

Mode 6

Answer 6

No mode
Entered as soon as one reactor vessel head closure bolt is less than fully tensioned

Question 7

LCO 3.0.3

Answer 7

Mode 3 within 7 hours
Mode 4 within 13 hours
Mode 5 within 37 hours

Question 8

4 LCO 3.0.4.b exceptions

Answer 8

LTOP
ECCS high head (SI)
AFW
AC electrical

Question 9

LCO 3.0.6

Answer 9

If a piece of equipment is inop due only to a support system, then only enter the support system LCO, there are a few exceptions

Question 10

SR 3.0.1

Answer 10

If you cant meet the surveillance, then enter the LCO

Question 11

SR 3.0.2

Answer 11

Allows 1.25 times the interval specified as the frequency.

Does not apply for frequencies specified as “once” or the first time.

Question 12

SR 3.0.3

Answer 12

If a surveillance was not performed within its specified frequency, then you have up to 24hours, or the limit of the frequency.
(5 year frequency, missed, gives you 5 years to perform it.)

Question 13

SR 3.0.4

Answer 13

I can only change MODEs when all surveillances have been met within their specified frequency.