Systems Exam 1 - Tech Specs Flashcards
4 Criteria for Items that Must Have Tech Specs
Criterion 1
instruments that detect significant degradation of the Reactor Coolant Pressure Boundary
4 Criteria for Items that Must Have Tech Specs
Criterion 2
initial conditions for design basis accidents or transients
4 Criteria for Items that Must Have Tech Specs
Criterion 3
structure, system, or component that mitigates a design basis accident or transient
4 Criteria for Items that Must Have Tech Specs
Criterion 4
structure, system, or component that is significant to public health and safety
What is CHANNEL CHECK?
What is CORE ALTERATION?
What is LEAKAGE?
What is OPERABLE or OPERABILITY?
What is STAGGERED TEST BASIS?
What is MODE?
How are the Tech Specs structured?
Section 1 - Use and Application
Section 2 - Safety Limits
Section 3 - LCO/SR Applicability
Section 4 - Design Features
Section 5 - Administrative Controls
Mode 1
Power Operation
> 5% power
k-eff ≥ 0.99
Mode 2
Startup
≤ 5% power
k-eff ≥ 0.99
Mode 3
Hot Standby
RCS T-avg ≥ 350
k-eff < 0.99
Mode 4
Hot Shutdown
200 < RCS T-avg < 350
k-eff < 0.99
(all reactor vessel head closure bolts fully tensioned)
Mode 5
Cold Shutdown
RCS T-avg ≤ 200
k-eff < 0.99
(all reactor vessel head closure bolts fully tensioned)
Mode 6
Refueling
RCS T-avg, % power, and k-eff are all N/A
One or more reactor vessel head closure bolts are less than fully tensioned.
What is identified LEAKAGE?
What is unidentified LEAKAGE?
What is pressure boundary LEAKAGE?
LCO 3.0.1
LCOs must be met when applicable
LCO 3.0.2
When an LCO is not met, enter all applicable Conditions and complete the Required Actions within the stated Completion Time
LCO 3.0.3
If Required Actions/Completion Times are not met or no applicable Conditions are provided, place the plant in a MODE or other specified condition where the LCO does not apply
LCO 3.0.4
Entering the Applicability of an LCO when that LCO is not met is only allowed under one of the following conditions:
a) Required Actions allow unlimited operation
b) A risk assessment is performed
c) An exception is stated in the specification
LCO 3.0.5
Provides an exception to LCO 3.0.2 for the performance of OPERABILITY testing
LCO 3.0.6
Supported system Required Actions do not need to be performed when the support system is inoperable
LCO 3.0.7
Provides the justification to suspend certain LCOs during the performance of Physics Testing, by using LCO 3.1.8.
SR 3.0.1
Surveillances must be met when the LCO is applicable
SR 3.0.2
Allows a 25% extension for Surveillance Frequencies and for Required Actions with Completion Times stated as “once per…” The extension is not allowed for Frequencies stated as “once” or the first performance of a “once per…” Completion Time.
SR 3.0.3
Allows an additional 24 hours or the limit of the specified Frequency, whichever is greater, to perform an SR that was discovered to not be performed prior to declaring the LCO not met.
SR 3.0.4
Entering the Applicability of an LCO is only allowed when the SRs have been met within their specified Frequency