Remote Shutdown System (RSS)

Question 1

How is RCIC operated from Remote Shutdown panel w/ the Appendix R disconnects operated?

Answer 1

1. The only RCIC trips are Mechanical Overspeed and Manual Trip
2. L8 Steam Inlet isolation is defeated
3. L2 auto initiation is defeated
4. Suction Swap must be done manually

Question 2

What is different with ADS when operated from Remote Shutdown panel w/ the Appendix R disconnects and transfer switched activated?

Answer 2

Relief Mode is disconnected from the SRVs. First SRV will lift at 1165#s as a Safety.

Question 3

What happens to the SW system after transfer to the Remote Shutdown Panel?

Answer 3

1. SWP valves (MOV66A/B) to the EDG must be manually opened on a EDG start.
2. DIV I Non-Essentials close

Question 4

What must be done to the SW pumps prior to transfer to the Remote Shutdown Panel?

Answer 4

Place the control switched for the pumps that are operating to the Normal After Start position. Prevents tripping of the pumps.

Question 5

What should be done with ADS PSVs when operating from the remote shutdown panel?

Answer 5

They should be alternated to minimize localized suppression pool heating.

Question 6

What happens to ADS on a transfer to Remote Shutdown Panel?

Answer 6

1. No Auto initiation of ADS
2. If ADS is in progress, the valves will close when transferred to RSS.

Question 7

What must be accomplished in order to prevent uncovering of Fuel?

Answer 7

Start RCIC or initiate ADS blowdown to prevent uncovering of fuel.

Question 8

What is RSS LCO Basis?

Answer 8

Get to Mode 3

Question 9

How is RPV level controlled when at the RSS?

Answer 9

RCIC and RHR

Question 10

Where can Supp Chamber pressure be found when using RSS?

Answer 10

PPC Display

Question 11

What systems are operated from the Remote Shutdown Panel?

Answer 11

RCIC
RHR
SWP
ADS/SRVs and Nitrogen
RSP Room HVAC