TS 3.9.3 Containment Penetrations

Question 1

LCO 3.9.3 The CTMT penetrations shall be in the following status:
a. \_\_\_
b. \_\_\_
c. \_\_\_
NOTE: \_\_\_

Answer 1

a. The equipment hatch closed and held in place by 4 bolts, or if open, capable of being closed
b. One door in each air lock is capable of being closed
c. Each penetration providing direct access from the CTMT atmosphere to the outside atmosphere either:
c. 1 Closed by a manual or auto isolation valve, blind flange, or equivalent, or
c. 2 Capable of being closed by an OPERABLE CTMT purge and exhaust isolation system.

NOTE: Penetration flow path(s) providing direct access from the CTMT atmosphere to the outside atmosphere may be unisolated under admin controls

Question 2

LCO 3.9.3 APPLICABILITY: ___

Answer 2

During CORE ALTERATIONS,

During movement of irradiated fuel assemblies within CTMT

Question 3

LCO 3.9.3 CONDITION

A. One or more CTMT penetrations not in required status

Answer 3

A.1 Suspend CORE ALTERATIONS (Immediately)
AND
A.2 Suspend movement of irradiated fuel assemblies within CTMT (Immediately)

Question 4

During CORE ALTERATIONS or movement of irradiated fuel assemblies within CTMT, the equipment hatch must be capable of being closed and held in place by ___

Answer 4

…at least 4 bolts

Question 5

During CORE ALTERATIONS or movement of irradiated fuel assemblies within CTMT, the door interlock mechanism may ___

Answer 5

…remain Disabled, but one air lock door must ALWAYS remain capable of being closed.

Question 6

The minimum decay time prior to CORE ALTS is ___

Answer 6

100 Hours

Question 7

Admin controls (Note for this section) ensure that

1. ___
2. ___

Answer 7

1. Personnel are aware of open status

2. Specified individuals are designated and ready to isolate if accident happens

Question 8

CTMT penetration requirements are applicable during CORE ALTS or fuel moves within CTMT because ___

Answer 8

…the potential for fuel handling accident

Question 9

Performance of Condition A actions (suspend moves) shall NOT preclude ___

Answer 9

…completion of moves to safe positions