ML16111A356

2016 Prairie Island Nuclear Generating Plant Initial License Examination Form ES-401-4

ML16111A356
Person / Time
Site:	Prairie Island
Issue date:	06/10/2016
From:	Mcneil D NRC/RGN-III/DRS/OLB
To:	Northern States Power Company, Minnesota, Xcel Energy
References
Download: ML16111A356 (3)

Text

ES-401 Record of Rejected K/As (SRO) Form ES-401-4 Tier / Randomly Selected Reason for Rejection Group K/A This K/A requires the knowledge of the immediate actions for loss of RHR. At Prairie Island, there are no immediate 025 Loss of Residual actions for a loss of RHR. Immediate actions are Tier 1/

Heat Removal designated in procedures by the steps having circles Group 1 System (RHRS) around them. E-4, Core Cooling following Loss of RHR RO AK3.03: Flow, is the EOP for loss of residual heat removal and does not have any steps with circles around them.

Randomly selected 025 AK3.01 as a replacement.

055 Tier 1/ Loss of Offsite and This K/A is less than 2.5. All K/A values for 055 EK2 are Group 1 Onsite Power below 2.5. Randomly selected 055 EK3.02 as a RO (Station Blackout) replacement.

EK2.07:

065 Tier 1/ Prairie Island does not use backup nitrogen to control Loss of Instrument Group 1 valve positions in the event of a loss of instrument air.

Air RO Randomly selected 065 AA2.06.

AA2.07 008 Tier 2/ Component Cooling This K/A is less than 2.5. All K/A values for 008 K5 are Group 1 Water System below 2.5. Randomly selected 008 A1.04 as a RO (CCWS) replacement.

K5.05:

All three original K/As in Category K5 in Tier 2 / Group 1 were rejected because of the K/A value being less than 2.5. Furthermore, all three of those K/As could not be replaced with a K/A in Category K5 of their respective 010 system because Category K5 of those systems have no Tier 2/ Pressurizer Pressure K/As above 2.5. Therefore, two systems within Tier 2 /

Group 1 Control System Group 1 were randomly chosen to have there category RO (PZR PCS) changed to K5 to ensure requirement in Note 1 is met (i.e.

A3.01:

Ensure that at least two topics from every applicable K/A category are sampled within each tier of the RO outline).

Therefore, this K/A was rejected and replaced with 010 K5.02.

022 Tier 2/ This K/A is less than 2.5. All K/A values for 022 K5 are Containment Cooling Group 1 below 2.5. Randomly selected 022 K2.01 as a System (CCS)

RO replacement.

K5.01:

059 Tier 2/ Prairie Island does not have turbine driven main feedwater Main Feedwater Group 1 pumps; they are all electric driven. Randomly selected (MFW) System RO 059 A2.03.

A2.07

ES-401 Record of Rejected K/As (SRO) Form ES-401-4 Tier / Randomly Selected Reason for Rejection Group K/A All three original K/As in Category K5 in Tier 2 / Group 1 were rejected because of the K/A value being less than 2.5. Furthermore, all three of those K/As could not be replaced with a K/A in Category K5 of their respective 061K301: Auxiliary / system because Category K5 of those systems have no Tier 2/

Emergency K/As above 2.5. Therefore, two systems within Tier 2 /

Group 1 Feedwater (AFW) Group 1 were randomly chosen to have their category RO System changed to K5 to ensure requirement in Note 1 is met (i.e.

Ensure that at least two topics from every applicable K/A category are sampled within each tier of the RO outline).

Therefore, this K/A was rejected and replaced with 061 K5.03.

Tier 2/ 064K5.03: This K/A is less than 2.5. All K/A values for 064 K5 are Group 1 Emergency Diesel below 2.5. Randomly selected 064K6.07 as a RO Generators (ED/G) replacement.

Tier 2/ 073K6.03: Process This K/A is less than 2.5. All K/A values for 073 K6 are Group 1 Radiation Monitoring below 2.5. Randomly selected 073 K4.01 as a RO (PRM) System replacement.

Tier 2/ 078A2.01:

This K/A is less than 2.5. There is no other K/As in 078 Group 1 Instrument Air A2. Randomly selected 078 A3.01 as a replacement.

RO System (IAS)

Tier 2/

103K1.04: This K/A is less than 2.5. Randomly selected 103 K1.03 Group 1 Containment System as a replacement.

RO 055K2.02:

Tier 2/ This K/A is less than 2.5. All K/A values for 055 K2 are Condenser Air Group 2 below 2.5. Randomly selected 055 A3.03 as a Removal System RO replacement.

(CARS)

Tier 2/ 068K3.01: Liquid This K/A is less than 2.5. All K/A values for 068 K3 are Group 2 Radwaste System below 2.5. Randomly selected 068 K1.07 as a RO (LRS) replacement.

Tier 2/ This K/A is less than 2.5. All K/A values for 068 K3 are 079K5.02: Station Group 2 below 2.5. Randomly selected 068 K4.01 as a Air System (SAS)

RO replacement.

This K/A requires knowledge of the purpose and function 015/017: 2.1.28:

Tier 1/ of major system components; which is RO ONLY Reactor Coolant Group 1 knowledge. Therefore unable to prepare a question at the Pump (RCP)

SRO SRO license level for this K/A. Randomly selected Malfunctions 015/017 2.1.12 as a replacement.

Unable to prepare question at the SRO license level for this K/A. This K/A requires the operator to determine whether a charging line leak exists. At Prairie Island, Reactor Operators are required to diagnose leak locations 022A2.03: Loss of Tier 1/ on the RCS. Also, at Prairie Island, 1C4 AOP1, is used to Reactor Coolant Group 1 respond to a RCS leak. We attempted to develop a SRO Makeup SRO question regarding this AOP to meet this K/A; however, it resulted in a question that only required the knowledge of entry conditions into other AOPs. This is RO ONLY knowledge. Randomly selected 022 A2.02 as a replacement.

ES-401 Record of Rejected K/As (SRO) Form ES-401-4 Tier / Randomly Selected Reason for Rejection Group K/A Emergency Operating Procedure E-4, Core Cooling Following Loss of RHR Flow, is used by the Shift Supervisor to respond to a Loss of RHR System. In E-4, the auxiliary operator initiates containment closure. While developing a question for this K/A, we researched EAL classification pertaining to this type of event. This Tier 1/ 025: 2.4.35: Loss of research revealed a discrepancy with Prairie Islands EAL Group 1 Residual Heat matrix with inappropriately referencing a TS Bases that no SRO Removal System longer exists. The Exam Team determined this issue had to be entered into corrective action immediately instead of waiting until the exam project was complete. As such, this question and K/A is being rejected to prevent exam compromise. See CAP-01496615. Randomly selected 055 2.4.20 as a replacement.

Unable to prepare question at the SRO license level for this K/A. This K/A requires the ability to predict the impacts of a air dryer and filter malfunction and use procedures to correct, control, or mitigate the consequences. For an air dryer and filter malfunction at Tier 2/ 078A2.01: Prairie Island, the operators would enter 1C34 AOP1, Loss Group 1 Instrument Air of Instrument Air, and would trip the reactor if the air loss is SRO System (IAS) significant enough. Entry conditions into AOPs are RO ONLY knowledge. Also, knowing when to trip the reactor is also RO ONLY knowledge. This K/A is the only K/A in A2 for Instrument Air System; therefore, the topic and K/A were rejected. Randomly selected 063 A2.02 as a replacement.