RA-18-0041, (Bsep), Unit Nos. 1 and 2 - Eighth Six-Month Status Report in Response to June 6, 2013, Commission Order Modifying Licenses with Regard to Reliable Hardened Containment Vents Capable of Operation Under Severe Accident...

(Bsep), Unit Nos. 1 and 2 - Eighth Six-Month Status Report in Response to June 6, 2013, Commission Order Modifying Licenses with Regard to Reliable Hardened Containment Vents Capable of Operation Under Severe Accident...

ML18177A458
Person / Time
Site:	Brunswick
Issue date:	06/26/2018
From:	William Gideon Duke Energy Progress
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
EA-13-109, RA-18-0041
Download: ML18177A458 (17)

Text

Issuance of Order to Modify Licenses with Regard to Reliable Hardened Containment Vents Capable of Operation Under Severe Accident ConditionsCompliance with Order EA-13-109, Order Modifying Licenses with Regard to Reliable Hardened Containment Vents Capable of Operation under Severe Accident ConditionsCompliance with Phase 2 of Order EA-13-109, Order Modifying Licenses with Regard to Reliable Hardened Containment Vents Capable of Operation under Severe Accident ConditionsIndustry Guidance for Compliance With Order EA-13-109, BWR Mark I & II Reliable Hardened Containment Vents Capable of Operation Under Severe Accident ConditionsDuke Energy's Response to June 6, 2013, Commission Order Modifying Licenses with Regard to Reliable Hardened Containment

Vents Capable of Operation Under Severe Accident Conditions (Order Number EA-13-109)Phase 1 Overall Integrated Plan in Response to June 6, 2013, Commission Order Modifying Licenses with Regard to Reliable Hardened Containment Vents Capable of Operation Under Severe Accident Conditions (Order Number EA-13-109) First Six-Month Status Report in Response to June 6, 2013, Commission Order Modifying Licenses with Regard to Reliable Hardened Containment Vents Capable of Operation Under Severe Accident Conditions (Order Number EA-13-109)

Second Six-Month Status Report in Response to June 6, 2013, Commission Order Modifying Licenses with Regard to Reliable Hardened Containment Vents Capable of Operation Under Severe Accident Conditions (Order Number EA-13-109) Phase 1 and Phase 2 Overall Integrated Plan in Response to June 6, 2013, Commission Order Modifying Licenses with Regard to Reliable Hardened Containment Vents Capable of Operation Under Severe Accident Conditions (Order Number EA-13-109)Fourth Six-Month Status Report in Response to June 6, 2013, Commission Order Modifying Licenses with Regard to Reliable Hardened Containment Vents Capable of Operation Under Severe Accident Conditions (Order Number EA-13-109)Fifth Six-Month Status Report in Response to June 6, 2013, Commission Order Modifying Licenses with Regard to Reliable Hardened Containment Vents Capable of Operation Under Severe Accident Conditions (Order Number EA-13-109)Sith Six-Month Status Report in Response to June 6, 2013, Commission Order Modifying Licenses with Regard to Reliable Hardened Containment Vents Capable of Operation Under Severe Accident Conditions (Order Number EA-13-109)Seventh Six-Month Status Report in Response to June 6, 2013, Commission Order Modifying Licenses with Regard to Reliable Hardened Containment Vents Capable of Operation Under Severe Accident Conditions (Order Number EA-13-109)Brunswick Steam Electric Plant, Units 1 and 2 - Interim Staff Evaluation Relating to Overall Integrated Plan in Response to Phase 1 of Order EA-13-109 (Severe Accident Capable Hardened Vents) (TAC Nos. MF4467 and MF4468)Brunswick Steam Electric Plant, Units 1 and 2 - Interim Staff Evaluation Relating to Overall Integrated Plan in Response to Phase 2 of Order EA-13-109 (Severe Accident Capable Hardened Vents) (CAC Nos. MF4467 and MF4468)Brunswick Steam Electric Plant, Units 1 and 2 - Report for the Audit of Licensee Responses to Interim Staff Evaluations Open Items Related to NRC Order EA-13-109 to Modify Licenses with Regard to Reliable Hardened Containment Vents Capable of Operation Under Severe Accident Conditions (CAC Nos. MF4467 and MF4468; EPID L-2014-JLD-0041), Brunswick Steam Electric Plant, Unit 1, Completion of Required Action for NRC Order EA-13-109, Reliable Hardened Containment Vents Capable of Operation Under Severe Accident Conditions,

Issuance of Order to Modify Licenses with Regard to Reliable Hardened Containment Vents Capable of Operation Under Severe Accident Conditions

U.S. Nuclear Regulatory Commission Page 4 of 4 I declare under penalty of perjury that the foregoing is true and correct. Executed on June 26, 2018. William R. Gideon

Enclosure:

Brunswick Steam Electric Plant (BSEP), Unit Nos. 1 and 2, Eighth Six-Month Status Report in Response to June 6, 2013, Commission Order Modifying Licenses with Regard to Reliable Hardened Containment Vents Capable of Operation Under Severe Accident Conditions (Order Number EA-13-109) cc (with enclosure):

U.S. Nuclear Regulatory Commission, Region II ATTN: Ms. Catherine Haney, Regional Administrator 245 Peachtree Center Ave, NE, Suite 1200 Atlanta, GA 30303-1257 U.S. Nuclear Regulatory Commission ATTN: Mr. Dennis Galvin (Mail Stop OWFN 8B1A) 11555 Rockville Pike Rockville, MD 20852-2738 U.S. Nuclear Regulatory Commission ATTN: Mr. Peter Bamford (Mail Stop OWFN 12D20) 11555 Rockville Pike Rockville, MD 20852-2738 U.S. Nuclear Regulatory Commission ATTN: Mr. Gale Smith, NRC Senior Resident Inspector 8470 River Road Southport, NC 28461-8869 Chair -North Carolina Utilities Commission (Electronic Copy Only) P.O. Box 29510 Raleigh, NC 27626-0510

.

Phase 1 Milestone Schedule Target Completion Date Activity Status Comments and Date Chan ges *Indicates a change since last 6-month update Hold preliminar y/conceptual desi gn meetin g. Jun. 2014 Complete Date not revised. Submit Overall Integrated Plan. Jun. 2014 Complete Date not revised.

Submit *(first) 6 Month Status Report. Dec. 2014 Complete Date not revised.

Submit *(second) 6 Month Status Report. Jun. 2015 Complete Date not revised.

Submit *(third) 6-Month Status Report. Dec. 2015 Complete Simultaneous with Phase 2 OIP. U2 Design Engineering On-site/Complete. Jun. 2016 Complete Date not revised.

Stora ge Plan. Dec. 2016 Complete Date not revised.

Staffin g anal ysis completion. Dec. 2016 Complete Date not revised. Long term use equipment acquisition timeline. Dec. 2016 Complete Date not revised.

Submit *(fourth) 6-Month Status Report. June 2016 Complete Date not revised. Operations Procedure Chan ges Developed. Dec. 2016 Complete Date not revised. Site Specific Maintenance Procedure Developed. Dec. 2016 Complete Date not revised.

Submit *(fifth) 6-Month Status Report. Dec. 2016 Complete Date not revised. Training Complete. Feb. 2017 Complete Date not revised. U2 Implementation Outa ge. Mar. 2017 Complete Date not revised. Procedure Chan ges Active. Mar. 2017 Complete Date not revised. U2 Walk Through Demonstration/Functional Test. Mar. 2017 Complete Date not revised. U1 Desi g n En gineerin g On-site/Complete. Mar. 2017 Complete Date not revised.

Submit *(sixth) 6-Month Status Report. Jun. 2017 Complete Date not revised.

Submit *(seventh) 6-Month Status Report. Dec. 2017 Complete Date not revised. U1 Implementation Outa ge. Feb. 2018 *Complete Date not revised. U1 Walk Through Demonstration/Functional Test. Mar. 2018 *Complete Date not revised. Submit Completion Report. May 2018 *Complete (Unit 1) Date not revised.

Phase 2 Milestone Schedule Target Completion Date Activity Status Comments and Date Chan ges *Indicates a change since last 6-month update Hold preliminar y/conceptual desi gn meetin g. Oct. 2015 Complete Date not revised. Submit Overall Integrated Implementation Plan. Dec. 2015 Complete Third 6-month update included Phase 2 OIP (i.e., Reference 6).

Submit *(fourth) 6-Month Status Report. Jun. 2016 Complete Date not revised.

Submit *(fifth) 6-Month Status Report. Dec. 2016 Complete Date not revised.

Submit *(sixth) 6-Month Status Report. Jun. 2017 Complete Date not revised. U1 Desi g n En gineerin g On-site/Complete. Mar. 2017 Complete Date not revised.

Submit *(seventh) 6-Month Status Report. Dec. 2017 Complete Date not revised. Operations Procedure Chan ges Developed. Mar. 2018 *Complete Date not revised. Site Specific Maintenance Procedure Developed. Mar. 2018 *Complete Date not revised.

Trainin g Complete. Feb. 2018 *Complete Date not revised. U1 Implementation Outa ge. Mar. 2018

• Complete Date not revised. Procedure Chan ges Active. Mar. 2018

• Complete Date not revised. U1 Walk Throu gh Demonstration/Functional Test. Mar. 2018

• Complete Date not revised. U2 Desi g n En gineerin g On-site/Complete. Mar. 2018

• Complete Date not revised.

Submit *(eighth) 6-Month Status Report. Jun. 2018

• Complete Date not revised.

Submit *(ninth) 6- Month Status Report. Dec. 2018 Not Started Date not revised. U2 Implementation Outage. Mar. 2019 Not Started Date not revised. U2 Walk Through Demonstration/Functional Test. Mar. 2019 Not Started Date not revised. Submit Completion Report Jul. 2019 *Complete (Unit 1) Date not revised.

Table 6a - Overall Inte grated Plan Open Items (Phase 1) # Open Item Status *Indicates a change since last 6-month update 1 Evaluate, design, and implement missile protection as required for the HCVS piping external to the reactor buildin

g. Complete Information provided in the December 2016 Six-Month Status Report by letter dated December 15, 2016 (ADAMS Accession No. ML16365A007

) (i.e., Reference 11

). 2 Finalize location of the Remote Operatin g Station (ROS). Complete Information provided in the December 2016 Six-Month Status Report by letter dated December 15, 2016 (i.e., ADAMS Accession No. ML16365A007

) (i.e., Reference 11

). 3 Finalize and design means to address flammable gases in the HCVS. Complete Information provided in the December 2016 Six-Month Status Report by letter dated December 15, 2016 (i.e., ADAMS Accession No. ML16365A007

) (i.e., Reference 11

). 4 Evaluate location of FLEX DG for accessibilit y under Severe Accident conditions. Complete Information provided in the December 2016 Six-Month Status Report by letter dated December 15, 2016 (i.e., ADAMS Accession No. ML16365A007

) (i.e., Reference 11

). 5 Develop procedures for BDBEE and severe accident vent operation (i.e., load shedding, power supply transfer, and vent valve operation from the Main Control Room and ROS), vent support functions for sustained operation and portable equipment deployment (FLEX DG supply to the 24/48 VDC battery system, and makeup to the nitrogen backup system). Complete Information provided in the December 2017 Six-Month Status Report by letter dated December 20, 2017 (i.e., ADAMS Accession No. ML17354A248

) (i.e., Reference 11

). 6 Confirm suppression pool heat capacity. Initial results from GE report 0000-0165-0656-R0 for BSEP indicate the suppression pool reaches the heat capacity temperature limit (HCTL) in 2.11 hours1.273148e-4 days <br />0.00306 hours <br />1.818783e-5 weeks <br />4.1855e-6 months <br />. Complete Information provided in the December 2016 Six-Month Status Report by letter dated December 15, 2016 (i.e., ADAMS Accession No. ML16365A007

) (i.e., Reference 11

). 7 Finalize location of supplemental N2 bottle connection. Deleted Information provided in the December 2016 Six-Month Status Report by letter dated December 15, 2016 (i.e., ADAMS Accession No. ML16365A007) (i.e., Reference 11). 8 Establish programs and processes for control of HCVS equipment functionality, out-of-service time, and testin

g. Complete Information provided in the June 2017 Six-Month Status Report b y letter dated June 19, 2017 (i.e., ADAMS Table 6a - Overall Inte grated Plan Open Items (Phase 1) # Open Item Status *Indicates a change since last 6-month update Accession No. ML17171A383)(i.e., Reference 12). 9 Confirm Wetwell vent capacity is sufficient at the containment design pressure (62 psig). Existing calculation 0D12-0009 calculates a wetwell vent capacity at the primary containment pressure limit (PCPL, 70 psi g). Complete Table 6b - Interim Staff Evaluation Open Items (Phase 1)

1. Open Item Status *Indicates a change since last 6-month update 1 Make available for NRC staff audit the site-specific controlling document for HCVS out of service and compensatory measures. Complete Information provided in the June 2017 Six-Month Status Report by letter dated June 19, 2017 (i.e., ADAMS Accession No. ML17171A383) (i.e., Reference 12). *Closed per NRC Audit Report of ISE Open Item Responses by letter dated Ma rch 22, 2018 (i.e., ADAMS Accession No. ML18068A627) (i.e., Reference 16) 2 Make available for NRC staff audit analyses demonstrating that HCVS has the capacity to vent the steam/energy equivalent of one percent of licensed/rated thermal power (i.e., unless a lower value is justified), and that the suppression pool and the HCVS together are able to absorb and reject decay heat, such that following a reactor shutdown from full power containment pressure is restored and then maintained below the primary containment design pressure and the primary containment pressure limit. Complete Information provided in the December 2016 Six-Month Status Report by letter dated December 15, 2016 (i.e., ADAMS Accession No. ML16365A007) (i.e., Reference 11). *Closed per NRC Audit Report of ISE Open Item Responses by letter dated Ma rch 22, 2018 (i.e., ADAMS Accession No. ML18068A627) (i.e., Reference 16) 3 Make available for NRC staff audit confirmation of the time it takes the suppression pool to reach the heat capacity temperature limit during ELAP with RCIC in operation. Complete Information provided in the December 2016 Six-Month Status Report by letter dated December 15, 2016 (i.e., ADAMS Accession No. ML16365A007) (i.e., Reference 11). *Closed per NRC Audit Report of ISE Open Item Responses by letter dated Ma rch 22, 2018 (i.e., ADAMS Accession No. ML18068A627) (i.e., Reference 16) 4 Make available for NRC staff audit a description of the final ROS location. Complete Information provided in the December 2016 Six-Month Status Report by letter dated December 15, 2016 (i.e., ADAMS Accession No. ML16365A007) (i.e., Reference 11). *Closed per NRC Audit Report of ISE Open Item Responses by letter dated Ma rch 22, 2018 (i.e., ADAMS Table 6b - Interim Staff Evaluation Open Items (Phase 1)

1. Open Item Status *Indicates a change since last 6-month update Accession No. ML18068A627) (i.e., Reference 16) 5 Make available for NRC staff audit documentation that demonstrates adequate communication between the remote HCVS operation locations and the HCVS decision makers during ELAP and severe accident conditions. Complete Information provided in the December 2016 Six-Month Status Report by letter dated December 15, 2016 (i.e., ADAMS Accession No. ML16365A007) (i.e., Reference 11). *Closed per NRC Audit Report of ISE Open Item Responses by letter dated Ma rch 22, 2018 (i.e., ADAMS Accession No. ML18068A627) (i.e., Reference 16) 6 Provide a description of the final design of the HCVS to address hydrogen detonation and deflagration. Complete Information provided in the December 2016 Six-Month Status Report by letter dated December 15, 2016 (i.e., ADAMS Accession No. ML16365A007) (i.e., Reference 11). *Closed per NRC Audit Report of ISE Open Item Responses by letter dated Ma rch 22, 2018 (i.e., ADAMS Accession No. ML18068A627) (i.e., Reference 16) 7 Make available for NRC staff audit seismic and tornado missile final design criteria for the HCVS stack. Complete Information provided in the December 2016 Six-Month Status Report by letter dated December 15, 2016 (i.e., ADAMS Accession No. ML16365A007) (i.e., Reference 11). *Closed per NRC Audit Report of ISE Open Item Responses by letter dated Ma rch 22, 2018 (i.e., ADAMS Accession No. ML18068A627) (i.e., Reference 16) 8 Make available for NRC staff audit documentation of the HCVS nitrogen pneumatic system design including sizing and location. Complete Information provided in the December 2016 Six-Month Status Report by letter dated December 15, 2016 (i.e., ADAMS Accession No. ML16365A007) (i.e., Reference 11). *Closed per NRC Audit Report of ISE Open Item Responses by letter dated Ma rch 22, 2018 (i.e., ADAMS Accession No. ML18068A627) (i.e., Reference 16) 9 Make available for NRC staff audit documentation of HCVS incorporation into the FLEX diesel generator loading calculation. Complete Information provided in the December 2016 Six-Month Status Report by letter dated December 15, 2016 (i.e., ADAMS Accession No. ML16365A007) (i.e., Reference 11). *Closed per NRC Audit Report of ISE Open Item Responses by letter dated Ma rch 22, 2018 (i.e., ADAMS Accession No. ML18068A627) (i.e., Reference 16) 10 Make available for NRC staff audit an evaluation of temperature and radiological conditions to ensure that operating personnel can safely access and operate control and Complete Table 6b - Interim Staff Evaluation Open Items (Phase 1)

1. Open Item Status *Indicates a change since last 6-month update support equipment.

Information provided in the December 2016 Six-Month Status Report by letter dated December 15, 2016 (i.e., ADAMS Accession No. ML16365A007) (i.e., Reference 11). *Open per NRC Audit Report of ISE Open Item Responses by letter dated March 22, 2018 (i.e., ADAMS Accession No. ML18068A627) (i.e., Reference 16) BSEP performed a radiation dose calculation EC 412141 "Integrated Dose Calculation for Hardened Vent Remote Operating Station (ROS) - Fukushima" which shows the integrated radiation dose due to HCVS operation will not inhibit operator actions needed to initiate and operate the HCVS during an ELAP with severe accident conditions. The integrated dose calculation is pr ovided on the eportal for NRC review. .

11 Make available for NRC staff audit descriptions of all instrumentation and controls (i.e.,

existing and planned) necessary to implement this order including qualification methods. Complete Information provided in the December 2016 Six-Month Status Report by letter dated December 15, 2016 (i.e., ADAMS Accession No. ML16365A007) (i.e., Reference 11). *Closed per NRC Audit Report of ISE Open Item Responses by letter dated Ma rch 22, 2018 (i.e., ADAMS Accession No. ML18068A627) (i.e., Reference 16) 12 Clarify whether the seismic reliability demonstration of instruments, including valve position indication, vent pipe temperature instrumentation, radiation monitoring, and support system monitoring will (be) via methods that predict performance descri bed in IEEE-344-2004 or provide justification for using a different revision of the standard. Complete Information provided in the December 2016 Six-Month Status Report by letter dated December 15, 2016 (i.e., ADAMS Accession No. ML16365A007) (i.e., Reference 11). *Closed per NRC Audit Report of ISE Open Item Responses by letter dated Ma rch 22, 2018 (i.e., ADAMS Accession No. ML18068A627) (i.e., Reference 16) 13 Make available for NRC staff audit a justification for not monitoring HCVS system pressure as described in NEI 13-02. Complete Information provided in the December 2016 Six-Month Status Report by letter dated December 15, 2016 (i.e., ADAMS Accession No. ML16365A007) (i.e., Reference 11). *Closed per NRC Audit Report of ISE Open Item Responses by letter dated Ma rch 22, 2018 (i.e., ADAMS Accession No. ML18068A627) (i.e., Reference 16)

Table 6b - Interim Staff Evaluation Open Items (Phase 1)

1. Open Item Status *Indicates a change since last 6-month update 14 Make available for NRC staff audit the descriptions of local conditions (i.e., temperature, radiation and humidity) anticipated during ELAP and severe accident for the components (e.g., valves, instrumentation, sensors, transmitters, indicators, electronics, control devices, etc.) required for HCVS venting including confirmation that the components are capable of performing their functions during ELAP and severe accident conditions. Complete (FIP) Information provided in the December 2016 Six-Month Status Report by letter dated December 15, 2016 (i.e., ADAMS Accession No. ML16365A007) (i.e., Reference 11). *Pending per NRC Audit Report of ISE Open Item Responses by letter dated March 22, 2018 (i.e., ADAMS Accession No. ML18068A627) (i.e., Reference 16) The NRC staff reviewed the table provided on the eportal. The staff anticipates a similar table in the Final Integrated Plan (FIP) (i.e., on the docket) to close the item. The FIP will be provided with the Unit 2 Closeout (i.e., both Units closeout) submittal after completion of Unit 2 Phase 2 HCVS in March 2019. 15 Make available for NRC staff audit documentation of an evaluation verifying the existing containment isolation valves, relied upon for the HCVS, will open under the maximum expected differential pressure during BDBEE and severe accident wetwell venting. Complete Information provided in the December 2016 Six-Month Status Report by letter dated December 15, 2016 (i.e., ADAMS Accession No. ML16365A007) (i.e., Reference 11). *Closed per NRC Audit Report of ISE Open Item Responses by letter dated Ma rch 22, 2018 (i.e., ADAMS Accession No. ML18068A627) (i.e., Reference 16) 16 Provide a description of the strategies for hydrogen control that minimizes the potential for hydrogen gas migration and ingress into the reactor building or other buildings. Complete Information provided in the December 2016 Six-Month Status Report by letter dated December 15, 2016 (i.e., ADAMS Accession No. ML16365A007) (i.e., Reference 11). *Closed per NRC Audit Report of ISE Open Item Responses by letter dated Ma rch 22, 2018 (i.e., ADAMS Accession No. ML18068A627) (i.e., Reference 16)

Table 8 - Interim Staff Evaluation Phase 2 Open Items

1. Open Item Status *Indicates a change since last 6-month update 1 Licensee to confirm through analysis, the temperature and radiological conditions to ensure that operating personnel can safely access and operate controls and support equipment. Complete Information provided in the June 2017 Six-Month Status Report by letter dated June 19, 2017 (i.e., ADAMS Accession No. ML17171A383) (i.e., Reference 12). *Open per NRC Audit Report of ISE Open Item Responses by letter dated March 22, 2018 (i.e., ADAMS Accession No. ML18068A627) (i.e., Reference 16).

See Phase 1 Open Item #10 response.

2 Licensee to provide the site-specific MAAP evaluation that establishes the initial SAWA flow rate. Complete Information provided in the June 2017 Six-Month Status Report by letter dated June 19, 2017 (i.e., ADAMS Accession No. ML17171A383) (i.e., Reference 12). *Closed per NRC Audit Report of ISE Open Item Responses by letter dated Ma rch 22, 2018 (i.e., ADAMS Accession No. ML18068A627) (i.e., Reference 16) 3 Licensee to demonstrate how instrumentation and equipment being used for SAWA and supporting equipment is capable to perform for the sustained operating period under the expected temperature and radiological conditions. Complete (FIP) Information provided in the June 2017 Six-Month Status Report by letter dated June 19, 2017 (i.e., ADAMS Accession No. ML17171A383) (i.e., Reference 12). *Pending per NRC Audit Report of ISE Open Item Responses by letter dated March 22, 2018 (i.e., ADAMS Accession No. ML18068A627) (i.e., Reference 16) The NRC staff reviewed the SAWA flow instrument qualifications for temperature and radiation. The Table 8 - Interim Staff Evaluation Phase 2 Open Items

1. Open Item Status *Indicates a change since last 6-month update staff anticipates a table in the Final Integrated Plan (FIP) (i.e., on the docket) to close the item. The (FIP will be provided with the Unit 2 Closeout (i.e., both Units closeout) submittal after completion of Unit 2 Phase 2 HCVS in March 2019.

4 Licensee to demonstrate that containment failure as a result of overpressure can be prevented without a drywell vent during severe accident conditions. Complete Information provided in the June 2017 Six-Month Status Report by letter dated June 19, 2017 (i.e., ADAMS Accession No. ML17171A383) (i.e., Reference 12). *Closed per NRC Audit Report of ISE Open Item Responses by letter dated Ma rch 22, 2018 (i.e., ADAMS Accession No. ML18068A627) (i.e., Reference 16) 5 Licensee to demonstrate that there is adequate communication between the MCR and the operator at the FLEX pump during severe accident conditions. Complete Information provided in the June 2017 Six-Month Status Report by letter dated June 19, 2017 (i.e., ADAMS Accession No. ML17171A383) (i.e., Reference 12). *Closed per NRC Audit Report of ISE Open Item Responses by letter dated Ma rch 22, 2018 (i.e., ADAMS Accession No. ML18068A627) (i.e., Reference 16) 6 Licensee to demonstrate the SAWM flow instrumentation qualification for the expected environmental conditions

. Complete (FIP) Information provided in the June 2017 Six-Month Status Report by letter dated June 19, 2017 (i.e., ADAMS Accession No. ML17171A383) (i.e., Reference 12). *Pending per NRC Audit Report of ISE Open Item Responses by letter dated March 22, 2018 (i.e., ADAMS Accession No. ML18068A627) (i.e., Reference 16) The NRC staff reviewed the SAWA flow instrument qualifications for temperature and radiation. The staff anticipates a table in the FIP (on the docket) to close the item. Th e Final Integrated Plan (FIP) will be provided with the Unit 2 Closeout (i.e., both Units closeout) submittal after completion of Unit 2 Phase 2 HCVS in March 2019.

Issuance of Order to Modify Licenses with Regard to Reliable Hardened Containment Vents Capable of Operation Under Severe Accident ConditionsCompliance with Order EA-13-109, Order Modifying Licenses with Regard to Reliable Hardened Containment Vents Capable of Operation under Severe Accident ConditionsCompliance with Phase 2 of Order EA-13-109, Order Modifying Licenses with Regard to Reliable Hardened Containment Vents Capable of Operation under Severe Accident ConditionsIndustry Guidance for Compliance With Order EA-13-109, BWR Mark I & II Reliable Hardened Containment Vents Capable of Operation Under Severe Accident

ConditionsDuke Energy's Response to June 6, 2013, Commission Order Modifying Licenses with Regard to Reliable Hardened Containment

Vents Capable of Operation Under Severe Accident Conditions (Order Number EA-13-109)Phase 1 Overall Integrated Plan in Response to June 6, 2013, Commission Order Modifying Licenses with Regard to Reliable Hardened Containment Vents Capable of Operation Under Severe Accident Conditions (Order Number EA-13-109) First Six-Month Status Report in Response to June 6, 2013, Commission Order Modifying Licenses with Regard to Reliable Hardened Containment Vents Capable of Operation Under Severe Accident Conditions (Order Number EA-13-109) Second Six-Month Status Report in Response to June 6, 2013, Commission Order Modifying Licenses with Regard to Reliable Hardened Containment Vents Capable of Operation Under Severe Accident Conditions (Order Number EA-13-109) Phase 1 and Phase 2 Overall Integrated Plan in Response to June 6, 2013, Commission Order Modifying Licenses with Regard to Reliable Hardened Containment Vents Capable of Operation Under Severe Accident Conditions (Order Number EA-13-109)

Fourth Six-Month Status Report in Response to June 6, 2013, Commission Order Modifying Licenses with Regard to Reliable Hardened Containment Vents Capable of Operation Under Severe Accident Conditions (Order Number EA-13-109)Fifth Six-Month Status Report in Response to June 6, 2013, Commission Order Modifying Licenses with Regard to Reliable Hardened Containment Vents Capable of Operation Under Severe Accident Conditions (Order Number EA-13-109)Sith Six-Month Status Report in Response to June 6, 2013, Commission Order Modifying Licenses with Regard to Reliable Hardened Containment Vents Capable of Operation Under Severe Accident Conditions (Order Number EA-13-109)Seventh Six-Month Status Report in Response to June 6, 2013, Commission Order Modifying Licenses with Regard to Reliable Hardened Containment Vents Capable of Operation Under Severe Accident Conditions (Order Number EA-13-109)Brunswick Steam Electric Plant, Units 1 and 2 - Interim Staff Evaluation Relating to Overall Integrated Plan in Response to Phase 1 of Order EA-13-109 (Severe Accident Capable Hardened Vents) (TAC Nos. MF4467 and MF4468)Brunswick Steam Electric Plant, Units 1 and 2 - Interim Staff Evaluation Relating to Overall Integrated Plan in Response to Phase 2 of Order EA-13-109 (Severe Accident Capable Hardened Vents) (CAC Nos. MF4467 and MF4468)Brunswick Steam Electric Plant, Units 1 and 2 - Report for the Audit of Licensee Responses to Interim Staff Evaluations Open Items Related to NRC Order EA-13-109 to Modify Licenses with Regard to Reliable Hardened Containment Vents Capable of Operation Under Severe Accident Conditions (CAC Nos. MF4467 and MF4468; EPID L-2014-JLD-0041), Brunswick Steam Electric Plant, Unit 1, Completion of Required Action for NRC Order EA-13-109, Reliable Hardened Containment Vents Capable of Operation Under Severe Accident Conditions,