Locked Valve Control

Question 1

Per 40AC-9ZZ06, Locked Valve Control, when is an IV required?

Answer 1

When Locking and Sealing VALVES, BREAKERS and COMPONENTS as follows:

1. Required position and locking device
2. Local and Remote indication, verify locking device
3. If unable to verify, can remove lock per CRS
4. For throttled, Concurrent verification, then 2nd IV
5. Lock can’t be defeated without damage and Lock doesn’t damage other components

Question 2

How often are AUDITS required for Locked Valve/Breaker/Component Alignment Lists?

Answer 2

At least ONCE during every refueling outage

*Seals don’t need to be removed for the checks unless CRS/SM directed

Question 3

If an existing tag references a SHIFT SUPERVISOR (previous terminology) when is required?

Answer 3

NOTHING needs to be relabeled as this is defined as Equivalent Terminology for SM

Question 4

For Valves, how do we attach a Tag?

Answer 4

With WIRE CABLE and a SEALING DEVICE should be attached to the cable to prevent Manual Operation

Question 5

40AC-9ZZ06 ensures a method is established to require ADMIN CONTROLS for locking what 3 items?

Answer 5

1. Major valves in flow of Safety systems
2. Valves that affect major plant equipment/evolutions
3. Valves, Breakers, Components required to be Locked to meet NRC Requirements

Question 6

Who can authorize re-position of a valve, breaker or component?

Answer 6

CRS/SM

Question 7

How is a Locked Valve, Breaker or Component Identified (Sample Tag Info)?

Answer 7

Controlled by 40AC-0ZZ06

DO NOT OPERATE WITHOUT APPROVAL OF SM

Question 8

Describe the BASIC STEPS to manipulate a component from the LOCKED condition:

Answer 8

1. Obtain SM/CRS approval
2. Complete current Change Record
3. Remove Locking Seal
4. Position Valve, Breaker, Component
5. If remotely operated valve is placed in manual override, then notify CR of condition

Question 9

What LIMITS are imposed when relying on an individual to Close a CIV?

Answer 9

Has to be able to respond to close valve in 60 seconds

• 60 seconds is TOTAL time to close valve per DBM
• • No concurrent duties that would delay valve closure beyond 60 seconds

Question 10

Where can we find a Manual Component Listing for “Locked closed manual CIV’s which can be opened Intermittently”?

Answer 10

TRM T7.0.300

Question 11

For CIV Admin Controls, what are the required COMMUNICATIONS to be established?

Answer 11

1. AO at the CIV

2. The CR

Question 12

Who maintains the “Locked Valve, Breaker, and Component Record Book”?

Answer 12

SM/CRS