Text

Precursor Screening Analysis- Reject
	ML16113A198
Person / Time
Site:	Cook
Issue date:	04/20/2016
From:	Chelliah E; NRC/RES/DRA
To:	;
	Erulappa Chelliah 301-415-2167
References
	Download: ML16113A198 (38)
	v • d • e

LERs 315-2015-001 and 315-2015-002 1

Precursor Screening Analysis - Reject Accident Sequence Precursor Program - Office of Nuclear Regulatory Research D. C. Cook, Unit 1 Unit 1 shutdown due to a non-functional Emergency Diesel Generator-1AB, per TS requirement and 1A RHR Pump Inoperable.

Event Date: 06/01/2015 LER: 315-2015-001 and 315-2015-002 IR: 50-315/2015-002 and 50-315/2015-002 Plant Type: Westinghouse 4-Loop Pressurize-Water Reactor with Ice Condenser Containment Plant Operating Mode (Reactor Power Level): Mode 1 (100% Reactor Power)

Analyst:

Erulappa Chelliah Reviewer:

Keith Tetter Contributors:

N/A BC Approved Date:

4/20/2016 Event Description. On May 18, 2015, Unit 1 reactor was operating at 100% power. At 12:10 am, the operators removed emergency diesel generator (EDG)-1AB from service for a planned test and maintenance (T&M) activity. This activity included draining of the lube oil system to replace a strainer-transfer valve and cooler thermostatic bypass valve. On May 21, 2015, at 10:49 am, the testing personnel started EDG-1AB for post-maintenance testing. At approximately 16 minutes following the EDG-1AB-start event, the EDG tripped on HIGH-HIGH bearing temperature alarm. Based on identification of the melted-bearing Babbitt material within the crankcase, a failure-investigation team determined that the No. 4 main bearing had been damaged. Further evaluation of the damage confirmed that the time required for repairs to EDG-1AB would have exceeded the plant technical specifications (TS)-permitted completion time. This required a forced-shutdown of Unit 1 by the operators which took place, on June 1, 2015 at 2:31 am.

On June 14, 2015, with Unit 1 in Mode 5, operations personnel identified an oil leak from the Residual Heat Removal (RHR)-1A pump lower motor bearing oil reservoir. An engineering evaluation concluded that the leak rate precluded the pump from meeting its required 30-day mission time during accident conditions, thus rendering the RHR-1A pump inoperable. Review of operator oil addition logs concluded that this leak had existed since March 9, 2015. Unit 1 entered Mode 4 at 6:21 pm on June 1, 2015, exiting the condition prohibited by Technical Specifications (TS).

The inoperability of EDG-1AB concurrent with the inoperable RHR-1A pump requires declaring the RHR-1B pump inoperable since TS declares that required feature(s) supported by the inoperable EDG are inoperable when its required redundant feature(s) is inoperable. The inoperability of the RHR-1A pump was not recognized at this time, so the RHR-1B pump was not declared inoperable when the EDG-1AB was made inoperable. In retrospect, had the RHR-1A pump been recognized as being inoperable, the RHR-1B pump should have been declared inoperable within four hours from when the EDG-1AB was declared inoperable on May 18, 2015, at 12:10 am, until June 2, 2015, at 4:10 am, when Unit 1 entered Mode 5. The offsite power sources (preferred and alternate) remained operable and available for the duration that the EDG-1AB was inoperable thus there is reasonable assurance that the RHR-1B pump remained capable of fulfilling its safety function. For this occurrence, safety function of the Emergency Core Cooling System was not lost. In the event of a loss of offsite power (LOOP), the RHR-1A pump was available to perform its shutdown cooling function, therefore the capability to mitigate a LOOP was not lost.

In summary, the operators took EDG-1AB of Division-1 for a planned T&M activity during a specific period of 339 hours0.00392 days 0.0942 hours 5.605159e-4 weeks 1.289895e-4 months (from May 18, 2015 at 12:10 am to June 1, 2015 at 2:31 am). After completion of the maintenance activity, the operators found that the EDG-1AB failed to run continuously during a post T&M activity due to an as-found EDG-maintenance-scoping error. Since the operators did not

LERs 315-2015-001 and 315-2015-002 2

complete the planned T&M activity within TS-permitted allowed outage time (AOT), the operators shut-down Unit 1, per TS-requirements of 3.8.1, on June 1, 2015. There was also an oil leak from RHR-1A pump lower bearing oil reservoir from March 9, 2015 to June 1, 2015. The RHR-1A pump oil leak was small enough such that the RHR-1A pump was available to operate greater than its PRA mission time of 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months so this pump is not modeled as failed since it would have performed its intended function upon demand.

The licensee documented event-related failure information of the degraded condition of the EDG-1AB and RHR-1A pump, in two separate Licensee Event Reports (LERs), per reporting requirements of 10 CFR Part 50.73. (Reference-1 and Reference-2)

Failure Causes:

For the failure of EDG-1AB as documented in Reference 1, the station accepted leaving air within the lube oil system which degraded the hydrodynamic film wedge and resistive capacity of the No. 4 main bearing leaving it susceptible to electrical pitting and eventual wiping of the bearing Babbitt material.

Contributing causes included:

1. The station developed a culture to accept air in the EDG lube oil system due to prior experience that did not result in damage to the equipment.

2. The station failed to consider the exciter air gap measurement indications and take the necessary actions to investigate or correct the condition.

For the failure of the RHR-1A pump as documented in Reference 2, the apparent cause has been determined to be that Station leadership was not equipped with a consistent methodology to effectively manage risk associated with various station activities that possessed apparent low probability of occurrence. A contributing cause was interdepartmental interface that was inadequate to provide appropriate challenge and support of risk related decisions.

Degraded condition-related failure:

During post-T&M activity, EDG-1AB failed to run due to accumulated air in the main EDG bearing.

Prior to the event date of June 01, 2015, licensees maintenance activity of EDG-1AB did not include a separate task to vent the accumulated-air in the bearing. The licensee stated in LER 315-2015-001 that they failed to install a venting system for the operators to remove air from the EDG bearings and exciter-stator to facilitate a planned T&M activity of all 6 standby EDGs at the licensed site.

Therefore, prior to the event date, a degraded condition of EDG-1AB-run failure existed during a specific period of 315-hours.

SDP Results. Region III inspectors reviewed LER information and other event-related information (Reference-3 and Reference-4). Reference-3 identified a Green Finding for working violations during the Unit 1 forced outage to repair EDG-1AB. Reference-4 identified a Green Finding for maintenance procedures on the lube oil system that allowed air to remain in the system, which helped facilitate electric arcing in the EDG-1AB bearings. Reference-4 identified another Green Finding for RHR-1A pump oil leakage that would not have allowed the pump to operate for its thirty-day mission time, but would have operated for the 24 hour2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months PRA mission time if required. LER 315-2015-001 is closed in Reference-5. LER 315-2015-002 is not yet closed.

Analysis Type. The latest Idaho National Laboratory (INL) published Standardized Plant Analysis Risk (SPAR) model for DC Cook (SPAR-Model No. 8.22, dated May 2014) was used for the analyses.

A condition risk analysis (CRA) to estimate the increase in core damage probability (ICDP) due to as-found unavailability (or inoperability) of the EDG-1AB train of Division-1 of the emergency AC power

LERs 315-2015-001 and 315-2015-002 3

system (EPS) was conducted. Also an event risk analysis (ERA) to estimate the conditional core damage probability (CCDP) due to failures of the remaining mitigation system trains during a TS-forced plant shut-down period, given a failure of EDG-1AB train was conducted.

Analysis Rules. The ASP Program uses Significance Determination Process (SDP) result for degraded conditions when available. However, the ASP Program performs independent analyses for events where there are degraded conditions that exist simultaneously (i.e., are windowed within the same timeframe) when not explicitly assessed under the SDP. As such, an ASP analysis was performed for the conditions described in the referenced LERs.

Key Modeling Assumptions. No changes to the current version of the DC Cook SPAR model was needed for these analyses.

The current DC Cook SPAR model included an event tree analysis of 15-plant-specific initiating events (IEs) that would have affected the increase-in-core damage risk of the as-found inoperable EDG-1AB. INL built plant-specific system failure models of the EDGs, based on failure modes that were found in the operating experience data for 104 operating plants. Therefore, current analyses of the CRA and the ERA found the use of INLs published DC Cook SPAR model to be acceptable for the purpose of estimating a plant-specific ICDP value of the CRA and a plant-specific CCDP of the ERA.

It should be noted that for DC Cook:

1. Unit 1 has installed one station blackout (SBO)-DG1. Unit 2 also has installed a separate SBO-DG2. Each SBO-DG at each unit is designed with a 200% bus-load capacity. That is, given a common cause failure (or independent failures) of EDG-1AB and EDG-1CD at Unit 1, one SBO-DG1 alone (or one SBO-DG2 alone) could simultaneously deliver emergency AC power to two AC buses of Unit 1, Bus-1AB and Bus-1CD (or two AC buses of Unit 2, Bus-2AB and Bus-2CD).

2. Given an unplanned demand of Bus-1AB, SBO-DG1 and SBO-DG2 would be automatically started. After a successful start of SBO-DG1 [or SBO-DG2], two connect-breakers from SBO-DG1 bus (or two connect-breakers from SBO-DG2 bus) have to be manually closed to provide emergency AC power to the dead bus-1AB for Unit 1.

Basic event probability-changes. The following basic event probability was modified for this analysis.

The operator took out EDG-1AB for a planned T&M activity during an unavailability period of 339 hours0.00392 days 0.0942 hours 5.605159e-4 weeks 1.289895e-4 months . As a result:

1. EPS-DGN-TM-1AB (EDG-1AB UNAVAILABLE DUE TO TEST AND MAINTENANCE) was set to TRUE to reflect the as-found unavailability of the EDG-1AB train.

Due to incompleteness of the planned maintenance activity of EDG-1AB, the operator manually shutdown the plant from 100% power. The EDG-1AB was also found to be inoperable during the TS-forced shut-down period of Unit 1 (24-hours). Therefore, the analyst conducted an event risk analysis with the above probability-changes to basic events.

Rejection basis.

The results of the CRA are summarized below (see ATTACHMENT-1A):

Analysis estimated a value of 2.4x10-8 for total ICDP due to as-found inoperable EDG-1AB.

LERs 315-2015-001 and 315-2015-002 4

Analysis found contributing dominant sequences to be due to condition-affected sequences of the LOOPGR (grid failure-induced loss of offsite power) event tree (Figure 2A).

Analysis estimated a value of 8.2x10-9 for ICDP due to LOOPGR event tree-induced sequences.

The results of the ERA are summarized below (see ATTACHMENT-1B):

Analysis estimated a value of 9.73x10-7 for total CCDP due to TS-forced plant shut-down (TRANSIENT event tree).

Analysis found a CCDP-dominant sequence to be due to: a transient, loss of Reactor Coolant Pump (RCP) seal cooling, RCP seal stage-2 failure, high pressure injection failure, residual heat removal failure, high pressure recirculation failure, and low pressure recirculation failure.

Analysis estimated a value of 5.66E-7 for CCDP due to transient event-induced dominant sequence 02-02-10 (Figure 2B).

In summary,

1. Under the CRA, the point estimate for the ICDP is 2.4x10-8 due to an as-found inoperable condition of EDG-1AB at power mode of the reactor.

2. Under the ERA, the point estimate for the CCDP value is 9.73x10-7 due to a manual reactor trip event, with an inoperable EDG-1AB, during a TS-forced reactor shutdown period of 24-hours.

Both of these point estimates are below 1x10-6 and therefore, the windowed events described in LER-315-2015-001 and LER-315-2015-002 do not meet ASP Program criteria to be defined as a precursor.

REFERENCES

1. Donald C. Cook Nuclear Plant Unit 1, Plant Shutdown Required by Technical Specifications-American Electric Power, LER-315-2015-001, Event Date of June 01, 2015, dated July 29, 2015. ML15113A347.

2. Donald C. Cook Nuclear Plant Unit 1, Technical Specification Violation due to Inoperable Residual Heat Removal Pump - American Electric Power, LER-315-2015-002, Event Date of June 14, 2015, dated January 18, 2016. ML16020A449.

3. U. S. Nuclear Regulatory Commission, Donald C. Cook Nuclear Plant, Units 1 and 2 - NRC INTEGRATED INSPECTION REPORT 05000315/2015002; 05000315/2015002, dated July 31, 2015 (ML15215A306).

4. U. S. Nuclear Regulatory Commission, Donald C. Cook Nuclear Plant, Units 1 and 2 - NRC INTEGRATED INSPECTION REPORT 05000315/2015003; 05000315/2015003; AND 07200072/2015001, dated November 12, 2015 (ML15316A616).

5. U. S. Nuclear Regulatory Commission, Donald C. Cook Nuclear Plant, Units 1 and 2 - NRC INTEGRATED INSPECTION REPORT 05000315/2015004 AND 05000315/2015004, dated February 5, 2016 (ML16039A333).

LERs 315-2015-001 and 315-2015-002 0 A: SAPHIRE 8 Worksheet Summary of Conditional Event Changes Event Description Cond Value Nominal Value EPS-DGN-TM-1AB DIESEL GENERATOR 1AB UNAVAILABLE DUE TO TEST AND MAINTENANCE True 1.43E-2 Event Tree Dominant Results Only items contributing at least 1.0% to the total CCDP are displayed.

E V E N T T R E E CCDP CDP CDP D E S C R I P T I O N LOOPGR 9.99E-9 1.82E-9 8.18E-9 Cook 1 & 2 PWR B Loss of Offsite Power (Grid Related)

LOOPWR 8.06E-9 1.18E-9 6.89E-9 Cook 1 & 2 PWR B Loss of Offsite Power (Weather Related)

LOOPSC 6.69E-9 1.33E-9 5.36E-9 Cook 1 & 2 PWR B Loss of Offsite Power (Switchyard Centered)

SGTR 2.08E-8 1.97E-8 1.15E-9 Cook 1 & 2 PWR B Steam Generator Tube Rupture LOOPPC 9.62E-10 2.07E-10 7.55E-10 Cook 1 & 2 PWR B Loss of Offsite Power (Plant Centered)

SORV 5.63E-9 4.94E-9 6.91E-10 Cook 1 & 2 PWR B Stuck Open PORV TRANS 2.59E-8 2.55E-8 4.10E-10 Cook 1 & 2 PWR B Transient Total 1.35E-6 1.33E-6 2.37E-8 Dominant Sequence Results Only items contributing at least 1.0% to the total CCDP are displayed.

E V E N T T R E E S E Q U E N C E CCDP CDP CDP D E S C R I P T I O N LOOPWR 16-06 2.73E-9 1.55E-10 2.57E-9

/RPS, EPS, /AFW-B, /PORV-B, /RSD,

/BP1, BP2, OPR-04H, DGR-04H LOOPWR 16-03-10 2.47E-9 5.56E-10 1.91E-9

/RPS, EPS, /AFW-B, /PORV-B, /RSD,

/BP1, /BP2, OPR-04H, DGR-04H, AFW-MAN, SG-DEP-LT1 LOOPGR 16-06 1.92E-9 9.12E-11 1.82E-9

/RPS, EPS, /AFW-B, /PORV-B, /RSD,

/BP1, BP2, OPR-04H, DGR-04H LOOPGR 02-05 1.92E-9 2.96E-10 1.62E-9

/RPS, /EPS, /AFW-L, /PORV-L, LOSC-L,

/RSD, /BP1, BP2, OPR-02H, HPI-L LOOPGR 15 1.30E-9 8.66E-11 1.21E-9

/RPS, /EPS, AFW-L, FAB-L LOOPSC 15 1.10E-9 7.20E-11 1.03E-9

/RPS, /EPS, AFW-L, FAB-L LOOPSC 16-06 1.07E-9 4.63E-11 1.03E-9

/RPS, EPS, /AFW-B, /PORV-B, /RSD,

/BP1, BP2, OPR-04H, DGR-04H LOOPWR 02-05 1.08E-9 1.47E-10 9.36E-10

/RPS, /EPS, /AFW-L, /PORV-L, LOSC-L,

/RSD, /BP1, BP2, OPR-02H, HPI-L LOOPGR 16-03-10 1.21E-9 3.99E-10 8.15E-10

/RPS, EPS, /AFW-B, /PORV-B, /RSD,

/BP1, /BP2, OPR-04H, DGR-04H, AFW-MAN, SG-DEP-LT1 LOOPSC 02-05 9.28E-10 1.40E-10 7.89E-10

/RPS, /EPS, /AFW-L, /PORV-L, LOSC-L,

/RSD, /BP1, BP2, OPR-02H, HPI-L SGTR 12 1.05E-8 9.76E-9 7.74E-10

/RPS, /FW, /HPI, SGI, REFILL1, ECA LOOPGR 02-04 6.39E-10 2.24E-12 6.37E-10

/RPS, /EPS, /AFW-L, /PORV-L, LOSC-L,

/RSD, /BP1, BP2, OPR-02H, /HPI-L, HPR-L LOOPSC 05 9.35E-10 3.18E-10 6.18E-10

/RPS, /EPS, /AFW-L, PORV-L, /HPI-L,

/OPR-02H, /SSC, RHR, HPR LOOPGR 05 8.61E-10 2.92E-10 5.69E-10

/RPS, /EPS, /AFW-L, PORV-L, /HPI-L,

/OPR-02H, /SSC, RHR, HPR SORV 04 5.31E-9 4.78E-9 5.34E-10

/RPS, PORV-ISO, /AFW, /HPI, /SSC, RHR, HPR

LERs 315-2015-001 and 315-2015-002 1

E V E N T T R E E S E Q U E N C E CCDP CDP CDP D E S C R I P T I O N LOOPSC 16-03-10 7.19E-10 2.24E-10 4.94E-10

/RPS, EPS, /AFW-B, /PORV-B, /RSD,

/BP1, /BP2, OPR-04H, DGR-04H, AFW-MAN, SG-DEP-LT1 LOOPGR 16-04-2 4.74E-10 2.41E-11 4.50E-10

/RPS, EPS, /AFW-B, /PORV-B, /RSD,

/BP1, BP2, /OPR-04H, /HPI, /SSC, LPR LOOPSC 16-04-2 4.35E-10 2.22E-11 4.13E-10

/RPS, EPS, /AFW-B, /PORV-B, /RSD,

/BP1, BP2, /OPR-04H, /HPI, /SSC, LPR LOOPWR 15 4.02E-10 2.41E-11 3.78E-10

/RPS, /EPS, AFW-L, FAB-L LOOPWR 02-04 3.80E-10 2.36E-12 3.77E-10

/RPS, /EPS, /AFW-L, /PORV-L, LOSC-L,

/RSD, /BP1, BP2, OPR-02H, /HPI-L, HPR-L LOOPGR 17-10 4.26E-10 8.95E-11 3.36E-10 RPS, /EPS, RCSPRESS LOOPSC 02-04 3.09E-10 0.00E+0 3.09E-10

/RPS, /EPS, /AFW-L, /PORV-L, LOSC-L,

/RSD, /BP1, BP2, OPR-02H, /HPI-L, HPR-L LOOPSC 17-10 3.61E-10 7.52E-11 2.86E-10 RPS, /EPS, RCSPRESS LOOPGR 09 3.34E-10 9.16E-11 2.42E-10

/RPS, /EPS, /AFW-L, PORV-L, /HPI-L, OPR-02H, HPR-L Total 1.35E-6 1.33E-6 2.37E-8 Referenced Fault Trees Fault Tree Description AFW-L COOK 1 & 2 PWR B AFW USING LOOP-FT FAULT TREE FLAGS AFW-MAN MANUAL CONTROL AFW BP2 RCP SEAL STAGE 2 INTEGRITY (BINDING/POPPING)

DGR-04H DIESEL GENERATOR RECOVERY (IN 4 HR)

ECA DECAY HEAT REMOVAL /RECOVERY (ECA-3.1/3.2)

EPS EMERGENCY POWER FAB-L COOK 1 & 2 PWR B FEED AND BLEED USING LOOP-FTF FAULT TREE FL HPI-L HIGH PRESSURE INJECTION HPR HIGH PRESSURE RECIRCULATION HPR-L HIGH PRESSURE RECIRC LOSC-L COOK 1 & 2 PWR B RCP SEAL LOCA USING LOOP-FT FAULT TREE FLAG LPR LOW PRESSURE RECIRCULATION OPR-02H OFFSITE POWER RECOVERY IN 2 HRS OPR-04H OFFSITE POWER RECOVERY (IN 4 HR)

PORV-ISO PORV ISOLATION PORV-L COOK 1 & 2 PWR B PORVs/SRVs OPEN DURING LOOP RCSPRESS RCS PRESSURE LIMITED REFILL1 REFILL THE RWST (CONDITIONAL)

RHR RESIDUAL HEAT REMOVAL RPS REACTOR SHUTDOWN SG-DEP-LT1 DEPRESSURIZE SGs (DEPENDENT)

SGI FAULTED STEAM GENERATOR ISOLATION Cut Set Report - LOOPWR 16-06 Only items contributing at least 1% to the total are displayed.

P R O B/F R E Q T O T AL%

C U T S E T 7.04E-8 100 Displaying 267 Cut Sets. (267 Original) 1 3.11E-9 4.41 IE-LOOPWR,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG1,EPS-DGN-FR-SDG2,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR1,RCS-MDP-LK-BP2

LERs 315-2015-001 and 315-2015-002 2

P R O B/F R E Q T O T AL%

C U T S E T 2

2.68E-9 3.80 IE-LOOPWR,EPS-DGN-FR-SDG1,EPS-DGN-FR-SDG2,EPS-DGN-TM-1CD,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,RCS-MDP-LK-BP2 3

2.45E-9 3.48 IE-LOOPWR,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG1,EPS-DGN-FR-SDG2,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR2,RCS-MDP-LK-BP2 4

2.19E-9 3.11 IE-LOOPWR,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG2,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR1,RCS-MDP-LK-BP2 5

2.19E-9 3.11 IE-LOOPWR,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG1,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR1,RCS-MDP-LK-BP2 6

1.89E-9 2.68 IE-LOOPWR,EPS-DGN-FR-SDG1,EPS-DGN-TM-1CD,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HWR,RCS-MDP-LK-BP2 7

1.89E-9 2.68 IE-LOOPWR,EPS-DGN-FR-SDG2,EPS-DGN-TM-1CD,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HWR,RCS-MDP-LK-BP2 8

1.80E-9 2.55 IE-LOOPWR,EPS-DGN-CF-RUN4,EPS-DGN-SDG2,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR0,RCS-MDP-LK-BP2 9

1.73E-9 2.46 IE-LOOPWR,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG2,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR2,RCS-MDP-LK-BP2 10 1.73E-9 2.46 IE-LOOPWR,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG1,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR2,RCS-MDP-LK-BP2 11 1.57E-9 2.23 IE-LOOPWR,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG1,EPS-DGN-TM-SDG2,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR1,RCS-MDP-LK-BP2 12 1.57E-9 2.23 IE-LOOPWR,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG2,EPS-DGN-TM-SDG1,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR1,RCS-MDP-LK-BP2 13 1.49E-9 2.11 IE-LOOPWR,EPS-DGN-CF-RSDG,EPS-DGN-FR-1CD,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR1,RCS-MDP-LK-BP2 14 1.35E-9 1.92 IE-LOOPWR,EPS-DGN-FR-SDG2,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG1,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,RCS-MDP-LK-BP2 15 1.35E-9 1.92 IE-LOOPWR,EPS-DGN-FR-SDG1,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG2,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,RCS-MDP-LK-BP2 16 1.28E-9 1.82 IE-LOOPWR,EPS-DGN-CF-RSDG,EPS-DGN-TM-1CD,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,RCS-MDP-LK-BP2 17 1.24E-9 1.76 IE-LOOPWR,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG1,EPS-DGN-TM-SDG2,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR2,RCS-MDP-LK-BP2 18 1.24E-9 1.76 IE-LOOPWR,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG2,EPS-DGN-TM-SDG1,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR2,RCS-MDP-LK-BP2 19 1.18E-9 1.67 IE-LOOPWR,EPS-DGN-CF-RSDG,EPS-DGN-FR-1CD,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR2,RCS-MDP-LK-BP2 20 1.11E-9 1.57 IE-LOOPWR,ACP-CRB-OO-T11D1,ACP-XHE-XM-T11A12B2,EPS-DGN-FR-1CD,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR1,RCS-MDP-LK-BP2 21 1.11E-9 1.57 IE-LOOPWR,ACP-CRB-OO-T111A12,ACP-XHE-XM-T11D12C2,EPS-DGN-FR-1CD,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR1,RCS-MDP-LK-BP2

LERs 315-2015-001 and 315-2015-002 3

P R O B/F R E Q T O T AL%

C U T S E T 22 1.11E-9 1.57 IE-LOOPWR,EPS-DGN-FR-1CD,EPS-DGN-TM-SDG1,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR1,RCS-MDP-LK-BP2 23 1.11E-9 1.57 IE-LOOPWR,EPS-DGN-FR-1CD,EPS-DGN-TM-SDG2,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR1,RCS-MDP-LK-BP2 24 9.55E-10 1.36 IE-LOOPWR,ACP-CRB-OO-T111A12,ACP-XHE-XM-T11D12C2,EPS-DGN-TM-1CD,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,RCS-MDP-LK-BP2 25 9.55E-10 1.36 IE-LOOPWR,ACP-CRB-OO-T11D1,ACP-XHE-XM-T11A12B2,EPS-DGN-TM-1CD,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,RCS-MDP-LK-BP2 26 9.55E-10 1.36 IE-LOOPWR,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG2,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HWR,RCS-MDP-LK-BP2 27 9.55E-10 1.36 IE-LOOPWR,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG1,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HWR,RCS-MDP-LK-BP2 28 9.27E-10 1.32 IE-LOOPWR,ACP-BAC-LP-T11D,ACP-XHE-XM-T11A12B2,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,RCS-MDP-LK-BP2 29 8.75E-10 1.24 IE-LOOPWR,ACP-CRB-OO-T11D1,ACP-XHE-XM-T11A12B2,EPS-DGN-FR-1CD,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR2,RCS-MDP-LK-BP2 30 8.75E-10 1.24 IE-LOOPWR,ACP-CRB-OO-T111A12,ACP-XHE-XM-T11D12C2,EPS-DGN-FR-1CD,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR2,RCS-MDP-LK-BP2 31 8.75E-10 1.24 IE-LOOPWR,EPS-DGN-FR-1CD,EPS-DGN-TM-SDG1,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR2,RCS-MDP-LK-BP2 32 8.75E-10 1.24 IE-LOOPWR,EPS-DGN-FR-1CD,EPS-DGN-TM-SDG2,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR2,RCS-MDP-LK-BP2 33 7.95E-10 1.13 IE-LOOPWR,EPS-DGN-FR-1CD,EPS-DGN-TM-SDG1,EPS-DGN-TM-SDG2,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR1,RCS-MDP-LK-BP2 34 7.22E-10 1.03 IE-LOOPWR,EPS-DGN-FR-1CD,EPS-DGN-FR-2AB,EPS-DGN-FR-2CD,EPS-DGN-SDG2,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR3,RCS-MDP-LK-BP2 Cut Set Report - LOOPWR 16-03-10 Only items contributing at least 1% to the total are displayed.

P R O B/F R E Q T O T AL%

C U T S E T 6.37E-8 100 Displaying 306 Cut Sets. (306 Original) 1 9.00E-9 14.12 IE-LOOPWR,EPS-DGN-CF-RUN4,EPS-DGN-SDG2,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR0 2

3.61E-9 5.67 IE-LOOPWR,EPS-DGN-FR-1CD,EPS-DGN-FR-2AB,EPS-DGN-FR-2CD,EPS-DGN-SDG2,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR3 3

3.42E-9 5.37 IE-LOOPWR,EPS-DGN-FR-1CD,EPS-DGN-FR-2AB,EPS-DGN-FR-2CD,EPS-DGN-SDG2,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR4 4

2.13E-9 3.34 IE-LOOPWR,EPS-DGN-CF-STRT4,EPS-DGN-SDG2,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR 5

1.91E-9 3.01 IE-LOOPWR,EPS-DGN-FR-1CD,EPS-DGN-FR-2CD,EPS-DGN-SDG2,EPS-DGN-TM-2AB,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR2

LERs 315-2015-001 and 315-2015-002 4

P R O B/F R E Q T O T AL%

C U T S E T 6

1.91E-9 3.01 IE-LOOPWR,EPS-DGN-FR-2AB,EPS-DGN-FR-2CD,EPS-DGN-SDG2,EPS-DGN-TM-1CD,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR2 7

1.91E-9 3.01 IE-LOOPWR,EPS-DGN-FR-1CD,EPS-DGN-FR-2AB,EPS-DGN-SDG2,EPS-DGN-TM-2CD,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR2 8

1.72E-9 2.70 IE-LOOPWR,EPS-DGN-FR-1CD,EPS-DGN-FR-2CD,EPS-DGN-SDG2,EPS-DGN-TM-2AB,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR3 9

1.72E-9 2.70 IE-LOOPWR,EPS-DGN-FR-2AB,EPS-DGN-FR-2CD,EPS-DGN-SDG2,EPS-DGN-TM-1CD,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR3 10 1.72E-9 2.70 IE-LOOPWR,EPS-DGN-FR-1CD,EPS-DGN-FR-2AB,EPS-DGN-SDG2,EPS-DGN-TM-2CD,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR3 11 1.16E-9 1.81 IE-LOOPWR,EPS-DGN-FR-1CD,EPS-DGN-SDG2,EPS-DGN-TM-2AB,EPS-DGN-TM-2CD,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR1 12 1.16E-9 1.81 IE-LOOPWR,EPS-DGN-FR-2CD,EPS-DGN-SDG2,EPS-DGN-TM-1CD,EPS-DGN-TM-2AB,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR1 13 1.16E-9 1.81 IE-LOOPWR,EPS-DGN-FR-2AB,EPS-DGN-SDG2,EPS-DGN-TM-1CD,EPS-DGN-TM-2CD,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR1 14 9.97E-10 1.56 IE-LOOPWR,EPS-DGN-SDG2,EPS-DGN-TM-1CD,EPS-DGN-TM-2AB,EPS-DGN-TM-2CD,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR 15 9.45E-10 1.48 IE-LOOPWR,EPS-DGN-SDG2,EPS-DUAL-UNIT-LOOP,EPS-FAN-CF-U12EXFTS,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR 16 9.14E-10 1.43 IE-LOOPWR,EPS-DGN-FR-1CD,EPS-DGN-SDG2,EPS-DGN-TM-2AB,EPS-DGN-TM-2CD,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR2 17 9.14E-10 1.43 IE-LOOPWR,EPS-DGN-FR-2CD,EPS-DGN-SDG2,EPS-DGN-TM-1CD,EPS-DGN-TM-2AB,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR2 18 9.14E-10 1.43 IE-LOOPWR,EPS-DGN-FR-2AB,EPS-DGN-SDG2,EPS-DGN-TM-1CD,EPS-DGN-TM-2CD,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HWR,OEP-XHE-XX-NR04HWR2 19 8.69E-10 1.37 IE-LOOPWR,EPS-DGN-SDG2,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,ESW-MDP-CF-RUN,OEP-XHE-XL-NR04HWR 20 6.62E-10 1.04 IE-LOOPWR,EPS-DGN-SDG2,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,ESW-MDP-CF-STRT,OEP-XHE-XL-NR04HWR Cut Set Report - LOOPGR 16-06 Only items contributing at least 1% to the total are displayed.

P R O B/F R E Q T O T AL%

C U T S E T 4.95E-8 100 Displaying 208 Cut Sets. (208 Original) 1 3.32E-9 6.70 IE-LOOPGR,EPS-DGN-FR-SDG1,EPS-DGN-FR-SDG2,EPS-DGN-TM-1CD,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR,RCS-MDP-LK-BP2 2

2.34E-9 4.72 IE-LOOPGR,EPS-DGN-FR-SDG1,EPS-DGN-TM-1CD,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HGR,RCS-MDP-LK-BP2 3

2.34E-9 4.72 IE-LOOPGR,EPS-DGN-FR-SDG2,EPS-DGN-TM-1CD,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HGR,RCS-MDP-LK-BP2

LERs 315-2015-001 and 315-2015-002 5

P R O B/F R E Q T O T AL%

C U T S E T 4

1.68E-9 3.39 IE-LOOPGR,EPS-DGN-FR-SDG2,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG1,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR,RCS-MDP-LK-BP2 5

1.68E-9 3.39 IE-LOOPGR,EPS-DGN-FR-SDG1,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG2,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR,RCS-MDP-LK-BP2 6

1.59E-9 3.21 IE-LOOPGR,EPS-DGN-CF-RSDG,EPS-DGN-TM-1CD,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR,RCS-MDP-LK-BP2 7

1.53E-9 3.09 IE-LOOPGR,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG1,EPS-DGN-FR-SDG2,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR,OEP-XHE-XX-NR04HGR1,RCS-MDP-LK-BP2 8

1.18E-9 2.39 IE-LOOPGR,ACP-CRB-OO-T111A12,ACP-XHE-XM-T11D12C2,EPS-DGN-TM-1CD,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR,RCS-MDP-LK-BP2 9

1.18E-9 2.39 IE-LOOPGR,ACP-CRB-OO-T11D1,ACP-XHE-XM-T11A12B2,EPS-DGN-TM-1CD,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR,RCS-MDP-LK-BP2 10 1.18E-9 2.39 IE-LOOPGR,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG2,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HGR,RCS-MDP-LK-BP2 11 1.18E-9 2.39 IE-LOOPGR,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG1,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HGR,RCS-MDP-LK-BP2 12 1.15E-9 2.32 IE-LOOPGR,ACP-BAC-LP-T11D,ACP-XHE-XM-T11A12B2,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR,RCS-MDP-LK-BP2 13 1.08E-9 2.18 IE-LOOPGR,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG1,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HGR,OEP-XHE-XX-NR04HGR1,RCS-MDP-LK-BP2 14 1.08E-9 2.18 IE-LOOPGR,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG2,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HGR,OEP-XHE-XX-NR04HGR1,RCS-MDP-LK-BP2 15 8.86E-10 1.79 IE-LOOPGR,EPS-DGN-CF-RUN4,EPS-DGN-SDG2,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR,OEP-XHE-XX-NR04HGR0,RCS-MDP-LK-BP2 16 8.49E-10 1.71 IE-LOOPGR,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG1,EPS-DGN-TM-SDG2,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR,RCS-MDP-LK-BP2 17 7.73E-10 1.56 IE-LOOPGR,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG2,EPS-DGN-TM-SDG1,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR,OEP-XHE-XX-NR04HGR1,RCS-MDP-LK-BP2 18 7.73E-10 1.56 IE-LOOPGR,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG1,EPS-DGN-TM-SDG2,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR,OEP-XHE-XX-NR04HGR1,RCS-MDP-LK-BP2 19 7.33E-10 1.48 IE-LOOPGR,EPS-DGN-CF-RSDG,EPS-DGN-FR-1CD,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR,OEP-XHE-XX-NR04HGR1,RCS-MDP-LK-BP2 20 6.68E-10 1.35 IE-LOOPGR,EPS-DGN-FR-SDG1,EPS-DGN-FR-SDG2,EPS-DGN-FS-1CD,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR,RCS-MDP-LK-BP2 21 5.74E-10 1.16 IE-LOOPGR,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG1,EPS-DGN-FR-SDG2,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR,OEP-XHE-XX-NR04HGR2,RCS-MDP-LK-BP2 22 5.53E-10 1.12 IE-LOOPGR,ACP-CRB-CC-T11D12,ACP-XHE-XM-STRIP-T11D,EPS-DGN-FR-SDG1,EPS-DGN-FR-SDG2,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR,RCS-MDP-LK-BP2 23 5.45E-10 1.10 IE-LOOPGR,ACP-CRB-OO-T111A12,ACP-XHE-XM-T11D12C2,EPS-DGN-FR-1CD,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR,OEP-XHE-XX-NR04HGR1,RCS-MDP-LK-BP2

LERs 315-2015-001 and 315-2015-002 6

P R O B/F R E Q T O T AL%

C U T S E T 24 5.45E-10 1.10 IE-LOOPGR,ACP-CRB-OO-T11D1,ACP-XHE-XM-T11A12B2,EPS-DGN-FR-1CD,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR,OEP-XHE-XX-NR04HGR1,RCS-MDP-LK-BP2 25 5.45E-10 1.10 IE-LOOPGR,EPS-DGN-FR-1CD,EPS-DGN-TM-SDG1,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HGR,OEP-XHE-XX-NR04HGR1,RCS-MDP-LK-BP2 26 5.45E-10 1.10 IE-LOOPGR,EPS-DGN-FR-1CD,EPS-DGN-TM-SDG2,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HGR,OEP-XHE-XX-NR04HGR1,RCS-MDP-LK-BP2 27 5.27E-10 1.07 IE-LOOPGR,EPS-DGN-CF-STRT4,EPS-DGN-SDG2,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR,RCS-MDP-LK-BP2 Cut Set Report - LOOPGR 02-05 Only items contributing at least 1% to the total are displayed.

P R O B/F R E Q T O T AL%

C U T S E T 4.95E-8 100 Displaying 231 Cut Sets. (231 Original) 1 5.49E-9 11.09 IE-LOOPGR,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1W,CCW-MDP-TM-PP10E,CVC-XHE-XM-CVCSXTIE,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 2

3.44E-9 6.94 IE-LOOPGR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-SDG1-DGCD,EPS-DGN-TM-1CD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 3

3.44E-9 6.94 IE-LOOPGR,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 4

3.44E-9 6.94 IE-LOOPGR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-SDG1-DGCD,EPS-DGN-TM-1CD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 5

3.44E-9 6.94 IE-LOOPGR,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 6

2.46E-9 4.97 IE-LOOPGR,ESW-MDP-CF-RUN,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 7

1.87E-9 3.79 IE-LOOPGR,ESW-MDP-CF-STRT,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 8

1.56E-9 3.15 IE-LOOPGR,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1E,CCW-MDP-FS-PP10E,CVC-XHE-XM-CVCSXTIE,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 9

1.56E-9 3.15 IE-LOOPGR,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1W,CCW-MDP-FS-PP10E,CVC-XHE-XM-CVCSXTIE,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 10 1.34E-9 2.71 IE-LOOPGR,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HGR,OEP-XHE-XX-NR02HGR1,RCS-MDP-LK-BP2 11 1.34E-9 2.71 IE-LOOPGR,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HGR,OEP-XHE-XX-NR02HGR1,RCS-MDP-LK-BP2 12 1.34E-9 2.71 IE-LOOPGR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-SDG1-DGCD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HGR,OEP-XHE-XX-NR02HGR1,RCS-MDP-LK-BP2 13 1.34E-9 2.71 IE-LOOPGR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-SDG1-DGCD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HGR,OEP-XHE-XX-NR02HGR1,RCS-MDP-LK-BP2

LERs 315-2015-001 and 315-2015-002 7

P R O B/F R E Q T O T AL%

C U T S E T 14 1.15E-9 2.32 IE-LOOPGR,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1W,CCW-XHE-XR-PP10E,CVC-XHE-XM-CVCSXTIE,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 15 9.55E-10 1.93 IE-LOOPGR,CCW-CFG-AP-UNIT1W,CCW-SYS-LK-WEST,CVC-XHE-XM-CVCSXTIE,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 16 9.55E-10 1.93 IE-LOOPGR,CCW-CFG-AP-UNIT1E,CCW-SYS-LK-EAST,CVC-XHE-XM-CVCSXTIE,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 17 6.93E-10 1.40 IE-LOOPGR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FS-1CD,EPS-DGN-SDG1-DGCD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 18 6.93E-10 1.40 IE-LOOPGR,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FS-1CD,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 19 6.93E-10 1.40 IE-LOOPGR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FS-1CD,EPS-DGN-SDG1-DGCD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 20 6.93E-10 1.40 IE-LOOPGR,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FS-1CD,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 21 5.73E-10 1.16 IE-LOOPGR,ACP-CRB-CC-T11D12,ACP-XHE-XM-STRIP-T11D,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 22 5.73E-10 1.16 IE-LOOPGR,ACP-CRB-CC-T11D12,ACP-XHE-XM-STRIP-T11D,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 Cut Set Report - LOOPGR 15 Only items contributing at least 1% to the total are displayed.

P R O B/F R E Q T O T AL%

C U T S E T 3.36E-8 100 Displaying 151 Cut Sets. (151 Original) 1 9.20E-9 27.36 IE-LOOPGR,ACP-XHE-XM-T11A12B2,AFW-MDP-TM-PP3E,AFW-TDP-FR-PP4,AFW-XHE-XM-XTIEUNIT 2

3.64E-9 10.84 IE-LOOPGR,ACP-XHE-XM-T11A12B2,AFW-PMP-FR-PP3E,AFW-TDP-FR-PP4,AFW-XHE-XM-XTIEUNIT 3

2.20E-9 6.54 IE-LOOPGR,ACP-XHE-XM-T11A12B2,AFW-AOV-OO-257,AFW-TDP-FR-PP4,AFW-XHE-XM-XTIEUNIT 4

2.19E-9 6.52 IE-LOOPGR,ACP-XHE-XM-T11A12B2,AFW-MDP-FS-PP3E,AFW-TDP-FR-PP4,AFW-XHE-XM-XTIEUNIT 5

1.51E-9 4.50 IE-LOOPGR,ACP-XHE-XM-T11A12B2,AFW-MDP-TM-PP3E,AFW-TDP-FS-PP4,AFW-XHE-XM-XTIEUNIT 6

1.26E-9 3.74 IE-LOOPGR,ACP-XHE-XM-T11A12B2,AFW-MDP-TM-PP3E,AFW-TDP-TM-PP4,AFW-XHE-XM-XTIEUNIT 7

9.80E-10 2.91 IE-LOOPGR,DCP-BAT-CF-ALL 8

9.31E-10 2.77 IE-LOOPGR,ACP-XHE-XM-T11A12B2,AFW-MDP-TM-PP3E,AFW-XHE-XM-XTIEUNIT,DCP-XHE-XM-BCH 9

8.38E-10 2.49 IE-LOOPGR,ACP-XHE-XM-T11A12B2,AFW-MDP-FR-PP3E,AFW-TDP-FR-PP4,AFW-XHE-XM-XTIEUNIT 10 5.99E-10 1.78 IE-LOOPGR,ACP-XHE-XM-T11A12B2,AFW-PMP-FR-PP3E,AFW-TDP-FS-PP4,AFW-XHE-XM-XTIEUNIT 11 4.98E-10 1.48 IE-LOOPGR,ACP-XHE-XM-T11A12B2,AFW-PMP-FR-PP3E,AFW-TDP-TM-PP4,AFW-XHE-XM-XTIEUNIT 12 4.82E-10 1.43 IE-LOOPGR,AFW-MDP-TM-PP3E,AFW-TDP-FR-PP4,AFW-XHE-XM-XTIEUNIT,EPS-DGN-FR-1CD,EPS-DGN-SDG1-DGCD,/EPS-DUAL-UNIT-LOOP

LERs 315-2015-001 and 315-2015-002 8

P R O B/F R E Q T O T AL%

C U T S E T 13 4.66E-10 1.39 IE-LOOPGR,ACP-XHE-XM-T11A12B2,AFW-MDP-TM-PP3E,AFW-XHE-XM-XTIEUNIT,DCP-BCH-TM-NB 14 4.38E-10 1.30 IE-LOOPGR,ACP-XHE-XM-T11A12B2,AFW-PMP-CF-FRALL,AFW-XHE-XM-XTIEUNIT 15 3.69E-10 1.10 IE-LOOPGR,ACP-XHE-XM-T11A12B2,AFW-PMP-FR-PP3E,AFW-XHE-XM-XTIEUNIT,DCP-XHE-XM-BCH 16 3.67E-10 1.09 IE-LOOPGR,ACP-XHE-XM-T11A12B2,AFW-MDP-TM-PP3E,AFW-PMP-FR-PP4,AFW-XHE-XM-XTIEUNIT 17 3.62E-10 1.08 IE-LOOPGR,ACP-XHE-XM-T11A12B2,AFW-AOV-OO-257,AFW-TDP-FS-PP4,AFW-XHE-XM-XTIEUNIT 18 3.60E-10 1.07 IE-LOOPGR,ACP-XHE-XM-T11A12B2,AFW-MDP-FS-PP3E,AFW-TDP-FS-PP4,AFW-XHE-XM-XTIEUNIT Cut Set Report - LOOPSC 15 Only items contributing at least 1% to the total are displayed.

P R O B/F R E Q T O T AL%

C U T S E T 2.85E-8 100 Displaying 133 Cut Sets. (133 Original) 1 7.84E-9 27.52 IE-LOOPSC,ACP-XHE-XM-T11A12B2,AFW-MDP-TM-PP3E,AFW-TDP-FR-PP4,AFW-XHE-XM-XTIEUNIT 2

3.11E-9 10.91 IE-LOOPSC,ACP-XHE-XM-T11A12B2,AFW-PMP-FR-PP3E,AFW-TDP-FR-PP4,AFW-XHE-XM-XTIEUNIT 3

1.88E-9 6.58 IE-LOOPSC,ACP-XHE-XM-T11A12B2,AFW-AOV-OO-257,AFW-TDP-FR-PP4,AFW-XHE-XM-XTIEUNIT 4

1.87E-9 6.56 IE-LOOPSC,ACP-XHE-XM-T11A12B2,AFW-MDP-FS-PP3E,AFW-TDP-FR-PP4,AFW-XHE-XM-XTIEUNIT 5

1.29E-9 4.52 IE-LOOPSC,ACP-XHE-XM-T11A12B2,AFW-MDP-TM-PP3E,AFW-TDP-FS-PP4,AFW-XHE-XM-XTIEUNIT 6

1.07E-9 3.76 IE-LOOPSC,ACP-XHE-XM-T11A12B2,AFW-MDP-TM-PP3E,AFW-TDP-TM-PP4,AFW-XHE-XM-XTIEUNIT 7

8.35E-10 2.93 IE-LOOPSC,DCP-BAT-CF-ALL 8

7.94E-10 2.79 IE-LOOPSC,ACP-XHE-XM-T11A12B2,AFW-MDP-TM-PP3E,AFW-XHE-XM-XTIEUNIT,DCP-XHE-XM-BCH 9

7.15E-10 2.51 IE-LOOPSC,ACP-XHE-XM-T11A12B2,AFW-MDP-FR-PP3E,AFW-TDP-FR-PP4,AFW-XHE-XM-XTIEUNIT 10 5.11E-10 1.79 IE-LOOPSC,ACP-XHE-XM-T11A12B2,AFW-PMP-FR-PP3E,AFW-TDP-FS-PP4,AFW-XHE-XM-XTIEUNIT 11 4.24E-10 1.49 IE-LOOPSC,ACP-XHE-XM-T11A12B2,AFW-PMP-FR-PP3E,AFW-TDP-TM-PP4,AFW-XHE-XM-XTIEUNIT 12 4.11E-10 1.44 IE-LOOPSC,AFW-MDP-TM-PP3E,AFW-TDP-FR-PP4,AFW-XHE-XM-XTIEUNIT,EPS-DGN-FR-1CD,EPS-DGN-SDG1-DGCD,/EPS-DUAL-UNIT-LOOP 13 3.97E-10 1.39 IE-LOOPSC,ACP-XHE-XM-T11A12B2,AFW-MDP-TM-PP3E,AFW-XHE-XM-XTIEUNIT,DCP-BCH-TM-NB 14 3.73E-10 1.31 IE-LOOPSC,ACP-XHE-XM-T11A12B2,AFW-PMP-CF-FRALL,AFW-XHE-XM-XTIEUNIT 15 3.15E-10 1.10 IE-LOOPSC,ACP-XHE-XM-T11A12B2,AFW-PMP-FR-PP3E,AFW-XHE-XM-XTIEUNIT,DCP-XHE-XM-BCH 16 3.13E-10 1.10 IE-LOOPSC,ACP-XHE-XM-T11A12B2,AFW-MDP-TM-PP3E,AFW-PMP-FR-PP4,AFW-XHE-XM-XTIEUNIT 17 3.08E-10 1.08 IE-LOOPSC,ACP-XHE-XM-T11A12B2,AFW-AOV-OO-257,AFW-TDP-FS-PP4,AFW-XHE-XM-XTIEUNIT 18 3.07E-10 1.08 IE-LOOPSC,ACP-XHE-XM-T11A12B2,AFW-MDP-FS-PP3E,AFW-TDP-FS-PP4,AFW-XHE-XM-XTIEUNIT

LERs 315-2015-001 and 315-2015-002 9

Cut Set Report - LOOPSC 16-06 Only items contributing at least 1% to the total are displayed.

P R O B/F R E Q T O T AL%

C U T S E T 2.77E-8 100 Displaying 172 Cut Sets. (172 Original) 1 1.72E-9 6.20 IE-LOOPSC,EPS-DGN-FR-SDG1,EPS-DGN-FR-SDG2,EPS-DGN-TM-1CD,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,RCS-MDP-LK-BP2 2

1.21E-9 4.37 IE-LOOPSC,EPS-DGN-FR-SDG1,EPS-DGN-TM-1CD,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HSC,RCS-MDP-LK-BP2 3

1.21E-9 4.37 IE-LOOPSC,EPS-DGN-FR-SDG2,EPS-DGN-TM-1CD,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HSC,RCS-MDP-LK-BP2 4

9.52E-10 3.44 IE-LOOPSC,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG1,EPS-DGN-FR-SDG2,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,OEP-XHE-XX-NR04HSC1,RCS-MDP-LK-BP2 5

8.69E-10 3.14 IE-LOOPSC,EPS-DGN-FR-SDG2,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG1,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,RCS-MDP-LK-BP2 6

8.69E-10 3.14 IE-LOOPSC,EPS-DGN-FR-SDG1,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG2,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,RCS-MDP-LK-BP2 7

8.23E-10 2.97 IE-LOOPSC,EPS-DGN-CF-RSDG,EPS-DGN-TM-1CD,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,RCS-MDP-LK-BP2 8

6.71E-10 2.42 IE-LOOPSC,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG1,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HSC,OEP-XHE-XX-NR04HSC1,RCS-MDP-LK-BP2 9

6.71E-10 2.42 IE-LOOPSC,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG2,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HSC,OEP-XHE-XX-NR04HSC1,RCS-MDP-LK-BP2 10 6.13E-10 2.21 IE-LOOPSC,ACP-CRB-OO-T111A12,ACP-XHE-XM-T11D12C2,EPS-DGN-TM-1CD,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,RCS-MDP-LK-BP2 11 6.13E-10 2.21 IE-LOOPSC,ACP-CRB-OO-T11D1,ACP-XHE-XM-T11A12B2,EPS-DGN-TM-1CD,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,RCS-MDP-LK-BP2 12 6.12E-10 2.21 IE-LOOPSC,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG1,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HSC,RCS-MDP-LK-BP2 13 6.12E-10 2.21 IE-LOOPSC,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG2,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HSC,RCS-MDP-LK-BP2 14 5.94E-10 2.15 IE-LOOPSC,ACP-BAC-LP-T11D,ACP-XHE-XM-T11A12B2,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,RCS-MDP-LK-BP2 15 5.51E-10 1.99 IE-LOOPSC,EPS-DGN-CF-RUN4,EPS-DGN-SDG2,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,OEP-XHE-XX-NR04HSC0,RCS-MDP-LK-BP2 16 4.81E-10 1.74 IE-LOOPSC,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG1,EPS-DGN-TM-SDG2,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,OEP-XHE-XX-NR04HSC1,RCS-MDP-LK-BP2 17 4.81E-10 1.74 IE-LOOPSC,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG2,EPS-DGN-TM-SDG1,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,OEP-XHE-XX-NR04HSC1,RCS-MDP-LK-BP2 18 4.56E-10 1.65 IE-LOOPSC,EPS-DGN-CF-RSDG,EPS-DGN-FR-1CD,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,OEP-XHE-XX-NR04HSC1,RCS-MDP-LK-BP2 19 4.47E-10 1.61 IE-LOOPSC,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG1,EPS-DGN-FR-SDG2,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,OEP-XHE-XX-NR04HSC2,RCS-MDP-LK-BP2

LERs 315-2015-001 and 315-2015-002 10 P R O B/F R E Q T O T AL%

C U T S E T 20 4.39E-10 1.59 IE-LOOPSC,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG1,EPS-DGN-TM-SDG2,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,RCS-MDP-LK-BP2 21 3.46E-10 1.25 IE-LOOPSC,EPS-DGN-FR-SDG1,EPS-DGN-FR-SDG2,EPS-DGN-FS-1CD,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,RCS-MDP-LK-BP2 22 3.39E-10 1.23 IE-LOOPSC,ACP-CRB-OO-T11D1,ACP-XHE-XM-T11A12B2,EPS-DGN-FR-1CD,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,OEP-XHE-XX-NR04HSC1,RCS-MDP-LK-BP2 23 3.39E-10 1.23 IE-LOOPSC,ACP-CRB-OO-T111A12,ACP-XHE-XM-T11D12C2,EPS-DGN-FR-1CD,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,OEP-XHE-XX-NR04HSC1,RCS-MDP-LK-BP2 24 3.39E-10 1.23 IE-LOOPSC,EPS-DGN-FR-1CD,EPS-DGN-TM-SDG1,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HSC,OEP-XHE-XX-NR04HSC1,RCS-MDP-LK-BP2 25 3.39E-10 1.23 IE-LOOPSC,EPS-DGN-FR-1CD,EPS-DGN-TM-SDG2,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HSC,OEP-XHE-XX-NR04HSC1,RCS-MDP-LK-BP2 26 3.15E-10 1.14 IE-LOOPSC,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG1,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HSC,OEP-XHE-XX-NR04HSC2,RCS-MDP-LK-BP2 27 3.15E-10 1.14 IE-LOOPSC,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG2,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HSC,OEP-XHE-XX-NR04HSC2,RCS-MDP-LK-BP2 28 2.86E-10 1.03 IE-LOOPSC,ACP-CRB-CC-T11D12,ACP-XHE-XM-STRIP-T11D,EPS-DGN-FR-SDG1,EPS-DGN-FR-SDG2,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,RCS-MDP-LK-BP2 Cut Set Report - LOOPWR 02-05 Only items contributing at least 1% to the total are displayed.

P R O B/F R E Q T O T AL%

C U T S E T 2.80E-8 100 Displaying 185 Cut Sets. (185 Original) 1 2.51E-9 8.97 IE-LOOPWR,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1W,CCW-MDP-TM-PP10E,CVC-XHE-XM-CVCSXTIE,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2 2

1.60E-9 5.72 IE-LOOPWR,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HWR,OEP-XHE-XX-NR02HWR1,RCS-MDP-LK-BP2 3

1.60E-9 5.72 IE-LOOPWR,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HWR,OEP-XHE-XX-NR02HWR1,RCS-MDP-LK-BP2 4

1.60E-9 5.72 IE-LOOPWR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-SDG1-DGCD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HWR,OEP-XHE-XX-NR02HWR1,RCS-MDP-LK-BP2 5

1.60E-9 5.72 IE-LOOPWR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-SDG1-DGCD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HWR,OEP-XHE-XX-NR02HWR1,RCS-MDP-LK-BP2 6

1.57E-9 5.62 IE-LOOPWR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-SDG1-DGCD,EPS-DGN-TM-1CD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2 7

1.57E-9 5.62 IE-LOOPWR,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2

LERs 315-2015-001 and 315-2015-002 11 P R O B/F R E Q T O T AL%

C U T S E T 8

1.57E-9 5.62 IE-LOOPWR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-SDG1-DGCD,EPS-DGN-TM-1CD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2 9

1.57E-9 5.62 IE-LOOPWR,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2 10 1.13E-9 4.02 IE-LOOPWR,ESW-MDP-CF-RUN,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2 11 8.57E-10 3.06 IE-LOOPWR,ESW-MDP-CF-STRT,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2 12 7.14E-10 2.55 IE-LOOPWR,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1W,CCW-MDP-FS-PP10E,CVC-XHE-XM-CVCSXTIE,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2 13 7.14E-10 2.55 IE-LOOPWR,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1E,CCW-MDP-FS-PP10E,CVC-XHE-XM-CVCSXTIE,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2 14 5.24E-10 1.87 IE-LOOPWR,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1W,CCW-XHE-XR-PP10E,CVC-XHE-XM-CVCSXTIE,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2 15 4.37E-10 1.56 IE-LOOPWR,CCW-CFG-AP-UNIT1E,CCW-SYS-LK-EAST,CVC-XHE-XM-CVCSXTIE,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2 16 4.37E-10 1.56 IE-LOOPWR,CCW-CFG-AP-UNIT1W,CCW-SYS-LK-WEST,CVC-XHE-XM-CVCSXTIE,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2 17 3.17E-10 1.13 IE-LOOPWR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FS-1CD,EPS-DGN-SDG1-DGCD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2 18 3.17E-10 1.13 IE-LOOPWR,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FS-1CD,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2 19 3.17E-10 1.13 IE-LOOPWR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FS-1CD,EPS-DGN-SDG1-DGCD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2 20 3.17E-10 1.13 IE-LOOPWR,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FS-1CD,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2 Cut Set Report - LOOPGR 16-03-10 Only items contributing at least 1% to the total are displayed.

P R O B/F R E Q T O T AL%

C U T S E T 3.14E-8 100 Displaying 265 Cut Sets. (265 Original) 1 4.43E-9 14.12 IE-LOOPGR,EPS-DGN-CF-RUN4,EPS-DGN-SDG2,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR,OEP-XHE-XX-NR04HGR0 2

2.64E-9 8.41 IE-LOOPGR,EPS-DGN-CF-STRT4,EPS-DGN-SDG2,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR 3

1.23E-9 3.94 IE-LOOPGR,EPS-DGN-SDG2,EPS-DGN-TM-1CD,EPS-DGN-TM-2AB,EPS-DGN-TM-2CD,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR 4

1.17E-9 3.73 IE-LOOPGR,EPS-DGN-SDG2,EPS-DUAL-UNIT-LOOP,EPS-FAN-CF-U12EXFTS,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR 5

1.08E-9 3.43 IE-LOOPGR,EPS-DGN-SDG2,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,ESW-MDP-CF-RUN,OEP-XHE-XL-NR04HGR 6

8.20E-10 2.61 IE-LOOPGR,EPS-DGN-SDG2,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,ESW-MDP-CF-STRT,OEP-XHE-XL-NR04HGR 7

6.63E-10 2.11 IE-LOOPGR,AFW-XHE-XM-XTIEUNIT,EPS-DGN-FR-SDG1,EPS-DGN-FR-SDG2,EPS-DGN-TM-1CD,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR

LERs 315-2015-001 and 315-2015-002 12 P R O B/F R E Q T O T AL%

C U T S E T 8

5.69E-10 1.81 IE-LOOPGR,EPS-DGN-FR-1CD,EPS-DGN-SDG2,EPS-DGN-TM-2AB,EPS-DGN-TM-2CD,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR,OEP-XHE-XX-NR04HGR1 9

5.69E-10 1.81 IE-LOOPGR,EPS-DGN-FR-2CD,EPS-DGN-SDG2,EPS-DGN-TM-1CD,EPS-DGN-TM-2AB,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR,OEP-XHE-XX-NR04HGR1 10 5.69E-10 1.81 IE-LOOPGR,EPS-DGN-FR-2AB,EPS-DGN-SDG2,EPS-DGN-TM-1CD,EPS-DGN-TM-2CD,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR,OEP-XHE-XX-NR04HGR1 11 5.22E-10 1.66 IE-LOOPGR,EPS-DGN-FR-1CD,EPS-DGN-FR-2AB,EPS-DGN-FR-2CD,EPS-DGN-SDG2,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR,OEP-XHE-XX-NR04HGR3 12 4.68E-10 1.49 IE-LOOPGR,AFW-XHE-XM-XTIEUNIT,EPS-DGN-FR-SDG1,EPS-DGN-TM-1CD,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HGR 13 4.68E-10 1.49 IE-LOOPGR,AFW-XHE-XM-XTIEUNIT,EPS-DGN-FR-SDG2,EPS-DGN-TM-1CD,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HGR 14 4.48E-10 1.43 IE-LOOPGR,EPS-DGN-FR-1CD,EPS-DGN-FR-2CD,EPS-DGN-SDG2,EPS-DGN-TM-2AB,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR,OEP-XHE-XX-NR04HGR2 15 4.48E-10 1.43 IE-LOOPGR,EPS-DGN-FR-2AB,EPS-DGN-FR-2CD,EPS-DGN-SDG2,EPS-DGN-TM-1CD,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR,OEP-XHE-XX-NR04HGR2 16 4.48E-10 1.43 IE-LOOPGR,EPS-DGN-FR-1CD,EPS-DGN-FR-2AB,EPS-DGN-SDG2,EPS-DGN-TM-2CD,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR,OEP-XHE-XX-NR04HGR2 17 3.74E-10 1.19 IE-LOOPGR,EPS-DGN-FR-1CD,EPS-DGN-FR-2AB,EPS-DGN-FR-2CD,EPS-DGN-SDG2,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR,OEP-XHE-XX-NR04HGR4 18 3.36E-10 1.07 IE-LOOPGR,AFW-XHE-XM-XTIEUNIT,EPS-DGN-FR-SDG2,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG1,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR 19 3.36E-10 1.07 IE-LOOPGR,AFW-XHE-XM-XTIEUNIT,EPS-DGN-FR-SDG1,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG2,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR 20 3.18E-10 1.01 IE-LOOPGR,AFW-XHE-XM-XTIEUNIT,EPS-DGN-CF-RSDG,EPS-DGN-TM-1CD,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HGR Cut Set Report - LOOPSC 02-05 Only items contributing at least 1% to the total are displayed.

P R O B/F R E Q T O T AL%

C U T S E T 2.40E-8 100 Displaying 142 Cut Sets. (142 Original) 1 2.68E-9 11.16 IE-LOOPSC,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1W,CCW-MDP-TM-PP10E,CVC-XHE-XM-CVCSXTIE,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 2

1.68E-9 6.99 IE-LOOPSC,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-SDG1-DGCD,EPS-DGN-TM-1CD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 3

1.68E-9 6.99 IE-LOOPSC,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 4

1.68E-9 6.99 IE-LOOPSC,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-SDG1-DGCD,EPS-DGN-TM-1CD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 5

1.68E-9 6.99 IE-LOOPSC,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2

LERs 315-2015-001 and 315-2015-002 13 P R O B/F R E Q T O T AL%

C U T S E T 6

1.20E-9 5.01 IE-LOOPSC,ESW-MDP-CF-RUN,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 7

9.14E-10 3.81 IE-LOOPSC,ESW-MDP-CF-STRT,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 8

7.61E-10 3.17 IE-LOOPSC,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1E,CCW-MDP-FS-PP10E,CVC-XHE-XM-CVCSXTIE,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 9

7.61E-10 3.17 IE-LOOPSC,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1W,CCW-MDP-FS-PP10E,CVC-XHE-XM-CVCSXTIE,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 10 7.35E-10 3.07 IE-LOOPSC,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,OEP-XHE-XX-NR02HSC1,RCS-MDP-LK-BP2 11 7.35E-10 3.07 IE-LOOPSC,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,OEP-XHE-XX-NR02HSC1,RCS-MDP-LK-BP2 12 7.35E-10 3.07 IE-LOOPSC,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-SDG1-DGCD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,OEP-XHE-XX-NR02HSC1,RCS-MDP-LK-BP2 13 7.35E-10 3.07 IE-LOOPSC,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-SDG1-DGCD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,OEP-XHE-XX-NR02HSC1,RCS-MDP-LK-BP2 14 5.59E-10 2.33 IE-LOOPSC,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1W,CCW-XHE-XR-PP10E,CVC-XHE-XM-CVCSXTIE,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 15 4.66E-10 1.94 IE-LOOPSC,CCW-CFG-AP-UNIT1W,CCW-SYS-LK-WEST,CVC-XHE-XM-CVCSXTIE,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 16 4.66E-10 1.94 IE-LOOPSC,CCW-CFG-AP-UNIT1E,CCW-SYS-LK-EAST,CVC-XHE-XM-CVCSXTIE,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 17 3.38E-10 1.41 IE-LOOPSC,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FS-1CD,EPS-DGN-SDG1-DGCD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 18 3.38E-10 1.41 IE-LOOPSC,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FS-1CD,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 19 3.38E-10 1.41 IE-LOOPSC,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FS-1CD,EPS-DGN-SDG1-DGCD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 20 3.38E-10 1.41 IE-LOOPSC,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FS-1CD,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 21 2.79E-10 1.17 IE-LOOPSC,ACP-CRB-CC-T11D12,ACP-XHE-XM-STRIP-T11D,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 22 2.79E-10 1.17 IE-LOOPSC,ACP-CRB-CC-T11D12,ACP-XHE-XM-STRIP-T11D,ACP-XHE-XM-T11A12B2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2

LERs 315-2015-001 and 315-2015-002 14 Cut Set Report - SGTR 12 Only items contributing at least 1% to the total are displayed.

P R O B/F R E Q T O T AL%

C U T S E T 2.72E-7 100 Displaying 392 Cut Sets. (392 Original) 1 6.62E-8 24.34 IE-SGTR,RCS-XHE-XE-SGTR,RCS-XHE-XM-ECA312 2

1.66E-8 6.09 IE-SGTR,AFW-XHE-XM-SGDEP,RCS-XHE-XE-SGTR 3

1.59E-8 5.86 IE-SGTR,RCS-XHE-XE-SGTR,RHR-MOV-CC-129 4

1.59E-8 5.86 IE-SGTR,RCS-XHE-XE-SGTR,RHR-MOV-CC-128 5

4.75E-9 1.75 IE-SGTR,ACP-CRB-OO-1A5,ACP-XHE-XM-T11A12B2,RCS-XHE-XE-SGTR 6

4.75E-9 1.75 IE-SGTR,ACP-CRB-CC-1A7,ACP-XHE-XM-T11A12B2,RCS-XHE-XE-SGTR 7

3.58E-9 1.32 IE-SGTR,MSS-SRV-OO-31,RCS-XHE-XM-ECA312,SGTR-SG1 8

3.58E-9 1.32 IE-SGTR,MSS-SRV-OO-32,RCS-XHE-XM-ECA312,SGTR-SG2 9

3.58E-9 1.32 IE-SGTR,MSS-SRV-OO-33,RCS-XHE-XM-ECA312,SGTR-SG3 10 3.58E-9 1.32 IE-SGTR,MSS-SRV-OO-34,RCS-XHE-XM-ECA312,SGTR-SG4 11 3.58E-9 1.32 IE-SGTR,MSS-SRV-OO-1A3,RCS-XHE-XM-ECA312,SGTR-SG3 12 3.58E-9 1.32 IE-SGTR,MSS-SRV-OO-1A4,RCS-XHE-XM-ECA312,SGTR-SG4 13 3.58E-9 1.32 IE-SGTR,MSS-SRV-OO-1B1,RCS-XHE-XM-ECA312,SGTR-SG1 14 3.58E-9 1.32 IE-SGTR,MSS-SRV-OO-1B2,RCS-XHE-XM-ECA312,SGTR-SG2 15 3.58E-9 1.32 IE-SGTR,MSS-SRV-OO-1B3,RCS-XHE-XM-ECA312,SGTR-SG3 16 3.58E-9 1.32 IE-SGTR,MSS-SRV-OO-1B4,RCS-XHE-XM-ECA312,SGTR-SG4 17 3.58E-9 1.32 IE-SGTR,MSS-SRV-OO-2A1,RCS-XHE-XM-ECA312,SGTR-SG1 18 3.58E-9 1.32 IE-SGTR,MSS-SRV-OO-2A2,RCS-XHE-XM-ECA312,SGTR-SG2 19 3.58E-9 1.32 IE-SGTR,MSS-SRV-OO-2A3,RCS-XHE-XM-ECA312,SGTR-SG3 20 3.58E-9 1.32 IE-SGTR,MSS-SRV-OO-2A4,RCS-XHE-XM-ECA312,SGTR-SG4 21 3.58E-9 1.32 IE-SGTR,MSS-SRV-OO-2B1,RCS-XHE-XM-ECA312,SGTR-SG1 22 3.58E-9 1.32 IE-SGTR,MSS-SRV-OO-2B2,RCS-XHE-XM-ECA312,SGTR-SG2 23 3.58E-9 1.32 IE-SGTR,MSS-SRV-OO-2B3,RCS-XHE-XM-ECA312,SGTR-SG3 24 3.58E-9 1.32 IE-SGTR,MSS-SRV-OO-2B4,RCS-XHE-XM-ECA312,SGTR-SG4 25 3.58E-9 1.32 IE-SGTR,MSS-SRV-OO-1A1,RCS-XHE-XM-ECA312,SGTR-SG1 26 3.58E-9 1.32 IE-SGTR,MSS-SRV-OO-1A2,RCS-XHE-XM-ECA312,SGTR-SG2 Cut Set Report - LOOPGR 02-04 Only items contributing at least 1% to the total are displayed.

P R O B/F R E Q T O T AL%

C U T S E T 1.65E-8 100 Displaying 172 Cut Sets. (172 Original) 1 8.13E-10 4.92 IE-LOOPGR,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-SDG1,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 2

8.13E-10 4.92 IE-LOOPGR,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-SDG1,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 3

8.13E-10 4.92 IE-LOOPGR,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-SDG2,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 4

8.13E-10 4.92 IE-LOOPGR,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-SDG2,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 5

4.67E-10 2.82 IE-LOOPGR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-SDG1,EPS-DGN-TM-1CD,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2

LERs 315-2015-001 and 315-2015-002 15 P R O B/F R E Q T O T AL%

C U T S E T 6

4.67E-10 2.82 IE-LOOPGR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-SDG2,EPS-DGN-TM-1CD,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 7

4.67E-10 2.82 IE-LOOPGR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-SDG1,EPS-DGN-TM-1CD,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 8

4.67E-10 2.82 IE-LOOPGR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-SDG2,EPS-DGN-TM-1CD,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 9

4.11E-10 2.49 IE-LOOPGR,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG1,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 10 4.11E-10 2.49 IE-LOOPGR,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG1,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 11 4.11E-10 2.49 IE-LOOPGR,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG2,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 12 4.11E-10 2.49 IE-LOOPGR,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG2,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 13 3.17E-10 1.92 IE-LOOPGR,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG2,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HGR,OEP-XHE-XX-NR02HGR1,RCS-MDP-LK-BP2 14 3.17E-10 1.92 IE-LOOPGR,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG1,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HGR,OEP-XHE-XX-NR02HGR1,RCS-MDP-LK-BP2 15 3.17E-10 1.92 IE-LOOPGR,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG1,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HGR,OEP-XHE-XX-NR02HGR1,RCS-MDP-LK-BP2 16 3.17E-10 1.92 IE-LOOPGR,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG2,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HGR,OEP-XHE-XX-NR02HGR1,RCS-MDP-LK-BP2 17 2.36E-10 1.43 IE-LOOPGR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG2,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 18 2.36E-10 1.43 IE-LOOPGR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG2,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 19 2.36E-10 1.43 IE-LOOPGR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG1,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 20 2.36E-10 1.43 IE-LOOPGR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG1,OEP-XHE-XL-NR02HGR,RCS-MDP-LK-BP2 21 1.82E-10 1.10 IE-LOOPGR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG1,OEP-XHE-XL-NR02HGR,OEP-XHE-XX-NR02HGR1,RCS-MDP-LK-BP2 22 1.82E-10 1.10 IE-LOOPGR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG2,OEP-XHE-XL-NR02HGR,OEP-XHE-XX-NR02HGR1,RCS-MDP-LK-BP2 23 1.82E-10 1.10 IE-LOOPGR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG2,OEP-XHE-XL-NR02HGR,OEP-XHE-XX-NR02HGR1,RCS-MDP-LK-BP2

LERs 315-2015-001 and 315-2015-002 16 P R O B/F R E Q T O T AL%

C U T S E T 24 1.82E-10 1.10 IE-LOOPGR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG1,OEP-XHE-XL-NR02HGR,OEP-XHE-XX-NR02HGR1,RCS-MDP-LK-BP2 Cut Set Report - LOOPSC 05 Only items contributing at least 1% to the total are displayed.

P R O B/F R E Q T O T AL%

C U T S E T 2.42E-8 100 Displaying 59 Cut Sets. (59 Original) 1 7.25E-9 30.01 IE-LOOPSC,EPS-DGN-FR-1CD,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,/OEP-XHE-XL-NR02HSC,PPR-SRV-CO-L,PPR-SRV-OO-PRV153 2

4.16E-9 17.23 IE-LOOPSC,ACP-XHE-XM-T11D12C2,EPS-DGN-FR-1CD,/OEP-XHE-XL-NR02HSC,PPR-SRV-CO-L,PPR-SRV-OO-PRV153 3

3.46E-9 14.32 IE-LOOPSC,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,/EPS-DUAL-UNIT-LOOP,/OEP-XHE-XL-NR02HSC,PPR-SRV-CO-L,PPR-SRV-OO-PRV153 4

1.99E-9 8.22 IE-LOOPSC,ACP-XHE-XM-T11D12C2,EPS-DGN-TM-1CD,/OEP-XHE-XL-NR02HSC,PPR-SRV-CO-L,PPR-SRV-OO-PRV153 5

6.97E-10 2.88 IE-LOOPSC,EPS-DGN-FS-1CD,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,/OEP-XHE-XL-NR02HSC,PPR-SRV-CO-L,PPR-SRV-OO-PRV153 6

5.77E-10 2.39 IE-LOOPSC,ACP-CRB-CC-T11D12,ACP-XHE-XM-STRIP-T11D,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,/OEP-XHE-XL-NR02HSC,PPR-SRV-CO-L,PPR-SRV-OO-PRV153 7

4.00E-10 1.66 IE-LOOPSC,ACP-XHE-XM-T11D12C2,EPS-DGN-FS-1CD,/OEP-XHE-XL-NR02HSC,PPR-SRV-CO-L,PPR-SRV-OO-PRV153 8

3.31E-10 1.37 IE-LOOPSC,ACP-CRB-CC-T11D12,ACP-XHE-XM-STRIP-T11D,ACP-XHE-XM-T11D12C2,/OEP-XHE-XL-NR02HSC,PPR-SRV-CO-L,PPR-SRV-OO-PRV153 9

2.77E-10 1.15 IE-LOOPSC,ACP-XHE-XM-T11A12B2,HPI-XHE-XM-RECIRC,/OEP-XHE-XL-NR02HSC,PPR-SRV-CO-L,PPR-SRV-OO-PRV151 10 2.77E-10 1.15 IE-LOOPSC,ACP-XHE-XM-T11A12B2,HPI-XHE-XM-RECIRC,/OEP-XHE-XL-NR02HSC,PPR-SRV-CO-L,PPR-SRV-OO-PRV152 Cut Set Report - LOOPGR 05 Only items contributing at least 1% to the total are displayed.

P R O B/F R E Q T O T AL%

C U T S E T 2.22E-8 100 Displaying 59 Cut Sets. (59 Original) 1 6.67E-9 30.01 IE-LOOPGR,EPS-DGN-FR-1CD,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,/OEP-XHE-XL-NR02HGR,PPR-SRV-CO-L,PPR-SRV-OO-PRV153 2

3.83E-9 17.23 IE-LOOPGR,ACP-XHE-XM-T11D12C2,EPS-DGN-FR-1CD,/OEP-XHE-XL-NR02HGR,PPR-SRV-CO-L,PPR-SRV-OO-PRV153 3

3.18E-9 14.32 IE-LOOPGR,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,/EPS-DUAL-UNIT-LOOP,/OEP-XHE-XL-NR02HGR,PPR-SRV-CO-L,PPR-SRV-OO-PRV153 4

1.83E-9 8.22 IE-LOOPGR,ACP-XHE-XM-T11D12C2,EPS-DGN-TM-1CD,/OEP-XHE-XL-NR02HGR,PPR-SRV-CO-L,PPR-SRV-OO-PRV153 5

6.41E-10 2.88 IE-LOOPGR,EPS-DGN-FS-1CD,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,/OEP-XHE-XL-NR02HGR,PPR-SRV-CO-L,PPR-SRV-OO-PRV153 6

5.31E-10 2.39 IE-LOOPGR,ACP-CRB-CC-T11D12,ACP-XHE-XM-STRIP-T11D,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,/OEP-XHE-XL-NR02HGR,PPR-SRV-CO-L,PPR-SRV-OO-PRV153 7

3.68E-10 1.66 IE-LOOPGR,ACP-XHE-XM-T11D12C2,EPS-DGN-FS-1CD,/OEP-XHE-XL-NR02HGR,PPR-SRV-CO-L,PPR-SRV-OO-PRV153

LERs 315-2015-001 and 315-2015-002 17 P R O B/F R E Q T O T AL%

C U T S E T 8

3.05E-10 1.37 IE-LOOPGR,ACP-CRB-CC-T11D12,ACP-XHE-XM-STRIP-T11D,ACP-XHE-XM-T11D12C2,/OEP-XHE-XL-NR02HGR,PPR-SRV-CO-L,PPR-SRV-OO-PRV153 9

2.55E-10 1.15 IE-LOOPGR,ACP-XHE-XM-T11A12B2,HPI-XHE-XM-RECIRC,/OEP-XHE-XL-NR02HGR,PPR-SRV-CO-L,PPR-SRV-OO-PRV151 10 2.55E-10 1.15 IE-LOOPGR,ACP-XHE-XM-T11A12B2,HPI-XHE-XM-RECIRC,/OEP-XHE-XL-NR02HGR,PPR-SRV-CO-L,PPR-SRV-OO-PRV152 Cut Set Report - SORV 04 Only items contributing at least 1% to the total are displayed.

P R O B/F R E Q T O T AL%

C U T S E T 1.37E-7 100 Displaying 199 Cut Sets. (199 Original) 1 6.10E-8 44.40 IE-SORV,ACP-BAC-LP-T11D 2

1.58E-8 11.51 IE-SORV,ACP-CRB-OO-1D3,ACP-XHE-XM-T11D12C2,EPS-DGN-FR-1CD 3

1.58E-8 11.51 IE-SORV,ACP-CRB-CC-1D5,ACP-XHE-XM-T11D12C2,EPS-DGN-FR-1CD 4

7.54E-9 5.49 IE-SORV,ACP-CRB-OO-1D3,ACP-XHE-XM-T11D12C2,EPS-DGN-TM-1CD 5

7.54E-9 5.49 IE-SORV,ACP-CRB-CC-1D5,ACP-XHE-XM-T11D12C2,EPS-DGN-TM-1CD 6

1.52E-9 1.11 IE-SORV,ACP-CRB-OO-1D3,ACP-XHE-XM-T11D12C2,EPS-DGN-FS-1CD 7

1.52E-9 1.11 IE-SORV,ACP-CRB-CC-1D5,ACP-XHE-XM-T11D12C2,EPS-DGN-FS-1CD Cut Set Report - LOOPSC 16-03-10 Only items contributing at least 1% to the total are displayed.

P R O B/F R E Q T O T AL%

C U T S E T 1.86E-8 100 Displaying 198 Cut Sets. (198 Original) 1 2.76E-9 14.84 IE-LOOPSC,EPS-DGN-CF-RUN4,EPS-DGN-SDG2,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,OEP-XHE-XX-NR04HSC0 2

1.37E-9 7.35 IE-LOOPSC,EPS-DGN-CF-STRT4,EPS-DGN-SDG2,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC 3

6.39E-10 3.44 IE-LOOPSC,EPS-DGN-SDG2,EPS-DGN-TM-1CD,EPS-DGN-TM-2AB,EPS-DGN-TM-2CD,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC 4

6.06E-10 3.26 IE-LOOPSC,EPS-DGN-SDG2,EPS-DUAL-UNIT-LOOP,EPS-FAN-CF-U12EXFTS,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC 5

5.58E-10 3.00 IE-LOOPSC,EPS-DGN-SDG2,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,ESW-MDP-CF-RUN,OEP-XHE-XL-NR04HSC 6

4.91E-10 2.64 IE-LOOPSC,EPS-DGN-FR-1CD,EPS-DGN-FR-2AB,EPS-DGN-FR-2CD,EPS-DGN-SDG2,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,OEP-XHE-XX-NR04HSC3 7

4.25E-10 2.29 IE-LOOPSC,EPS-DGN-SDG2,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,ESW-MDP-CF-STRT,OEP-XHE-XL-NR04HSC 8

3.97E-10 2.14 IE-LOOPSC,EPS-DGN-FR-1CD,EPS-DGN-FR-2AB,EPS-DGN-FR-2CD,EPS-DGN-SDG2,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,OEP-XHE-XX-NR04HSC4 9

3.54E-10 1.91 IE-LOOPSC,EPS-DGN-FR-1CD,EPS-DGN-SDG2,EPS-DGN-TM-2AB,EPS-DGN-TM-2CD,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,OEP-XHE-XX-NR04HSC1 10 3.54E-10 1.91 IE-LOOPSC,EPS-DGN-FR-2AB,EPS-DGN-SDG2,EPS-DGN-TM-1CD,EPS-DGN-TM-2CD,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,OEP-XHE-XX-NR04HSC1

LERs 315-2015-001 and 315-2015-002 18 P R O B/F R E Q T O T AL%

C U T S E T 11 3.54E-10 1.91 IE-LOOPSC,EPS-DGN-FR-2CD,EPS-DGN-SDG2,EPS-DGN-TM-1CD,EPS-DGN-TM-2AB,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,OEP-XHE-XX-NR04HSC1 12 3.49E-10 1.88 IE-LOOPSC,EPS-DGN-FR-1CD,EPS-DGN-FR-2AB,EPS-DGN-SDG2,EPS-DGN-TM-2CD,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,OEP-XHE-XX-NR04HSC2 13 3.49E-10 1.88 IE-LOOPSC,EPS-DGN-FR-2AB,EPS-DGN-FR-2CD,EPS-DGN-SDG2,EPS-DGN-TM-1CD,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,OEP-XHE-XX-NR04HSC2 14 3.49E-10 1.88 IE-LOOPSC,EPS-DGN-FR-1CD,EPS-DGN-FR-2CD,EPS-DGN-SDG2,EPS-DGN-TM-2AB,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,OEP-XHE-XX-NR04HSC2 15 3.44E-10 1.85 IE-LOOPSC,AFW-XHE-XM-XTIEUNIT,EPS-DGN-FR-SDG1,EPS-DGN-FR-SDG2,EPS-DGN-TM-1CD,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC 16 2.42E-10 1.30 IE-LOOPSC,AFW-XHE-XM-XTIEUNIT,EPS-DGN-FR-SDG1,EPS-DGN-TM-1CD,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HSC 17 2.42E-10 1.30 IE-LOOPSC,AFW-XHE-XM-XTIEUNIT,EPS-DGN-FR-SDG2,EPS-DGN-TM-1CD,EPS-XHE-XL-NR04H,EPS-XHE-XM-SDG,OEP-XHE-XL-NR04HSC 18 2.34E-10 1.26 IE-LOOPSC,EPS-DGN-FR-1CD,EPS-DGN-FR-2AB,EPS-DGN-SDG2,EPS-DGN-TM-2CD,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,OEP-XHE-XX-NR04HSC3 19 2.34E-10 1.26 IE-LOOPSC,EPS-DGN-FR-2AB,EPS-DGN-FR-2CD,EPS-DGN-SDG2,EPS-DGN-TM-1CD,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,OEP-XHE-XX-NR04HSC3 20 2.34E-10 1.26 IE-LOOPSC,EPS-DGN-FR-1CD,EPS-DGN-FR-2CD,EPS-DGN-SDG2,EPS-DGN-TM-2AB,EPS-DUAL-UNIT-LOOP,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,OEP-XHE-XX-NR04HSC3 21 1.90E-10 1.02 IE-LOOPSC,AFW-XHE-XM-XTIEUNIT,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG1,EPS-DGN-FR-SDG2,EPS-XHE-XL-NR04H,OEP-XHE-XL-NR04HSC,OEP-XHE-XX-NR04HSC1 Cut Set Report - LOOPGR 16-04-2 Only items contributing at least 1% to the total are displayed.

P R O B/F R E Q T O T AL%

C U T S E T 1.22E-8 100 Displaying 120 Cut Sets. (120 Original) 1 8.11E-9 66.23 IE-LOOPGR,ACP-BAC-LP-T11D,ACP-XHE-XM-T11A12B2,/OEP-XHE-XL-NR04HGR,RCS-MDP-LK-BP2 2

1.62E-10 1.32 IE-LOOPGR,ACP-BAC-LP-T11D,ACP-CRB-OO-T111A12,/OEP-XHE-XL-NR04HGR,RCS-MDP-LK-BP2 Cut Set Report - LOOPSC 16-04-2 Only items contributing at least 1% to the total are displayed.

P R O B/F R E Q T O T AL%

C U T S E T 1.12E-8 100 Displaying 117 Cut Sets. (117 Original) 1 7.46E-9 66.39 IE-LOOPSC,ACP-BAC-LP-T11D,ACP-XHE-XM-T11A12B2,/OEP-XHE-XL-NR04HSC,RCS-MDP-LK-BP2 2

1.49E-10 1.32 IE-LOOPSC,ACP-BAC-LP-T11D,ACP-CRB-OO-T111A12,/OEP-XHE-XL-NR04HSC,RCS-MDP-LK-BP2

LERs 315-2015-001 and 315-2015-002 19 Cut Set Report - LOOPWR 15 Only items contributing at least 1% to the total are displayed.

P R O B/F R E Q T O T AL%

C U T S E T 1.04E-8 100 Displaying 77 Cut Sets. (77 Original) 1 2.95E-9 28.39 IE-LOOPWR,ACP-XHE-XM-T11A12B2,AFW-MDP-TM-PP3E,AFW-TDP-FR-PP4,AFW-XHE-XM-XTIEUNIT 2

1.17E-9 11.25 IE-LOOPWR,ACP-XHE-XM-T11A12B2,AFW-PMP-FR-PP3E,AFW-TDP-FR-PP4,AFW-XHE-XM-XTIEUNIT 3

7.05E-10 6.79 IE-LOOPWR,ACP-XHE-XM-T11A12B2,AFW-AOV-OO-257,AFW-TDP-FR-PP4,AFW-XHE-XM-XTIEUNIT 4

7.02E-10 6.77 IE-LOOPWR,ACP-XHE-XM-T11A12B2,AFW-MDP-FS-PP3E,AFW-TDP-FR-PP4,AFW-XHE-XM-XTIEUNIT 5

4.85E-10 4.67 IE-LOOPWR,ACP-XHE-XM-T11A12B2,AFW-MDP-TM-PP3E,AFW-TDP-FS-PP4,AFW-XHE-XM-XTIEUNIT 6

4.03E-10 3.88 IE-LOOPWR,ACP-XHE-XM-T11A12B2,AFW-MDP-TM-PP3E,AFW-TDP-TM-PP4,AFW-XHE-XM-XTIEUNIT 7

3.14E-10 3.02 IE-LOOPWR,DCP-BAT-CF-ALL 8

2.98E-10 2.88 IE-LOOPWR,ACP-XHE-XM-T11A12B2,AFW-MDP-TM-PP3E,AFW-XHE-XM-XTIEUNIT,DCP-XHE-XM-BCH 9

2.69E-10 2.59 IE-LOOPWR,ACP-XHE-XM-T11A12B2,AFW-MDP-FR-PP3E,AFW-TDP-FR-PP4,AFW-XHE-XM-XTIEUNIT 10 1.92E-10 1.85 IE-LOOPWR,ACP-XHE-XM-T11A12B2,AFW-PMP-FR-PP3E,AFW-TDP-FS-PP4,AFW-XHE-XM-XTIEUNIT 11 1.60E-10 1.54 IE-LOOPWR,ACP-XHE-XM-T11A12B2,AFW-PMP-FR-PP3E,AFW-TDP-TM-PP4,AFW-XHE-XM-XTIEUNIT 12 1.54E-10 1.49 IE-LOOPWR,AFW-MDP-TM-PP3E,AFW-TDP-FR-PP4,AFW-XHE-XM-XTIEUNIT,EPS-DGN-FR-1CD,EPS-DGN-SDG1-DGCD,/EPS-DUAL-UNIT-LOOP 13 1.49E-10 1.44 IE-LOOPWR,ACP-XHE-XM-T11A12B2,AFW-MDP-TM-PP3E,AFW-XHE-XM-XTIEUNIT,DCP-BCH-TM-NB 14 1.40E-10 1.35 IE-LOOPWR,ACP-XHE-XM-T11A12B2,AFW-PMP-CF-FRALL,AFW-XHE-XM-XTIEUNIT 15 1.18E-10 1.14 IE-LOOPWR,ACP-XHE-XM-T11A12B2,AFW-PMP-FR-PP3E,AFW-XHE-XM-XTIEUNIT,DCP-XHE-XM-BCH 16 1.18E-10 1.13 IE-LOOPWR,ACP-XHE-XM-T11A12B2,AFW-MDP-TM-PP3E,AFW-PMP-FR-PP4,AFW-XHE-XM-XTIEUNIT 17 1.16E-10 1.12 IE-LOOPWR,ACP-XHE-XM-T11A12B2,AFW-AOV-OO-257,AFW-TDP-FS-PP4,AFW-XHE-XM-XTIEUNIT 18 1.15E-10 1.11 IE-LOOPWR,ACP-XHE-XM-T11A12B2,AFW-MDP-FS-PP3E,AFW-TDP-FS-PP4,AFW-XHE-XM-XTIEUNIT Cut Set Report - LOOPWR 02-04 Only items contributing at least 1% to the total are displayed.

P R O B/F R E Q T O T AL%

C U T S E T 9.81E-9 100 Displaying 140 Cut Sets. (140 Original) 1 3.79E-10 3.86 IE-LOOPWR,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG2,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HWR,OEP-XHE-XX-NR02HWR1,RCS-MDP-LK-BP2 2

3.79E-10 3.86 IE-LOOPWR,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG1,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HWR,OEP-XHE-XX-NR02HWR1,RCS-MDP-LK-BP2 3

3.79E-10 3.86 IE-LOOPWR,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG1,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HWR,OEP-XHE-XX-NR02HWR1,RCS-MDP-LK-BP2

LERs 315-2015-001 and 315-2015-002 20 P R O B/F R E Q T O T AL%

C U T S E T 4

3.79E-10 3.86 IE-LOOPWR,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG2,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HWR,OEP-XHE-XX-NR02HWR1,RCS-MDP-LK-BP2 5

3.72E-10 3.79 IE-LOOPWR,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-SDG2,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2 6

3.72E-10 3.79 IE-LOOPWR,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-SDG2,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2 7

3.72E-10 3.79 IE-LOOPWR,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-SDG1,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2 8

3.72E-10 3.79 IE-LOOPWR,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-SDG1,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2 9

2.17E-10 2.22 IE-LOOPWR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG1,OEP-XHE-XL-NR02HWR,OEP-XHE-XX-NR02HWR1,RCS-MDP-LK-BP2 10 2.17E-10 2.22 IE-LOOPWR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG2,OEP-XHE-XL-NR02HWR,OEP-XHE-XX-NR02HWR1,RCS-MDP-LK-BP2 11 2.17E-10 2.22 IE-LOOPWR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG2,OEP-XHE-XL-NR02HWR,OEP-XHE-XX-NR02HWR1,RCS-MDP-LK-BP2 12 2.17E-10 2.22 IE-LOOPWR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG1,OEP-XHE-XL-NR02HWR,OEP-XHE-XX-NR02HWR1,RCS-MDP-LK-BP2 13 2.14E-10 2.18 IE-LOOPWR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-SDG1,EPS-DGN-TM-1CD,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2 14 2.14E-10 2.18 IE-LOOPWR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-SDG2,EPS-DGN-TM-1CD,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2 15 2.14E-10 2.18 IE-LOOPWR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-SDG1,EPS-DGN-TM-1CD,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2 16 2.14E-10 2.18 IE-LOOPWR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-SDG2,EPS-DGN-TM-1CD,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2 17 1.92E-10 1.95 IE-LOOPWR,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-SDG2,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HWR,OEP-XHE-XX-NR02HWR1,RCS-MDP-LK-BP2 18 1.92E-10 1.95 IE-LOOPWR,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-SDG2,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HWR,OEP-XHE-XX-NR02HWR1,RCS-MDP-LK-BP2 19 1.92E-10 1.95 IE-LOOPWR,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-SDG1,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HWR,OEP-XHE-XX-NR02HWR1,RCS-MDP-LK-BP2 20 1.92E-10 1.95 IE-LOOPWR,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-SDG1,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HWR,OEP-XHE-XX-NR02HWR1,RCS-MDP-LK-BP2 21 1.88E-10 1.92 IE-LOOPWR,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG1,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2

LERs 315-2015-001 and 315-2015-002 21 P R O B/F R E Q T O T AL%

C U T S E T 22 1.88E-10 1.92 IE-LOOPWR,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG1,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2 23 1.88E-10 1.92 IE-LOOPWR,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG2,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2 24 1.88E-10 1.92 IE-LOOPWR,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG2,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2 25 1.10E-10 1.12 IE-LOOPWR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-TM-SDG2,OEP-XHE-XL-NR02HWR,OEP-XHE-XX-NR02HWR1,RCS-MDP-LK-BP2 26 1.10E-10 1.12 IE-LOOPWR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-TM-SDG2,OEP-XHE-XL-NR02HWR,OEP-XHE-XX-NR02HWR1,RCS-MDP-LK-BP2 27 1.10E-10 1.12 IE-LOOPWR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-TM-SDG1,OEP-XHE-XL-NR02HWR,OEP-XHE-XX-NR02HWR1,RCS-MDP-LK-BP2 28 1.10E-10 1.12 IE-LOOPWR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-TM-SDG1,OEP-XHE-XL-NR02HWR,OEP-XHE-XX-NR02HWR1,RCS-MDP-LK-BP2 29 1.08E-10 1.10 IE-LOOPWR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG2,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2 30 1.08E-10 1.10 IE-LOOPWR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG2,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2 31 1.08E-10 1.10 IE-LOOPWR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG1,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2 32 1.08E-10 1.10 IE-LOOPWR,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG1,OEP-XHE-XL-NR02HWR,RCS-MDP-LK-BP2 Cut Set Report - LOOPGR 17-10 Only items contributing at least 1% to the total are displayed.

P R O B/F R E Q T O T AL%

C U T S E T 1.10E-8 100 Displaying 68 Cut Sets. (68 Original) 1 2.36E-9 21.43 IE-LOOPGR,ACP-XHE-XM-T11A12B2,RPS-BME-CF-RTBAB 2

1.97E-9 17.88 IE-LOOPGR,ACP-XHE-XM-T11A12B2,RPS-CBI-CF-6OF8,/RPS-CCP-TM-CHA,RPS-XHE-XE-NSGNL 3

1.77E-9 16.10 IE-LOOPGR,ACP-XHE-XM-T11A12B2,RPS-ROD-CF-RCCAS 4

1.33E-9 12.12 IE-LOOPGR,ACP-XHE-XM-T11A12B2,/RPS-CCP-TM-CHA,RPS-CCX-CF-6OF8,RPS-XHE-XE-NSGNL 5

2.75E-10 2.50 IE-LOOPGR,RCS-PHN-MODPOOR,RPS-BME-CF-RTBAB 6

2.29E-10 2.09 IE-LOOPGR,RCS-PHN-MODPOOR,RPS-CBI-CF-6OF8,/RPS-CCP-TM-CHA,RPS-XHE-XE-NSGNL 7

2.07E-10 1.88 IE-LOOPGR,RCS-PHN-MODPOOR,RPS-ROD-CF-RCCAS 8

1.56E-10 1.41 IE-LOOPGR,RCS-PHN-MODPOOR,/RPS-CCP-TM-CHA,RPS-CCX-CF-6OF8,RPS-XHE-XE-NSGNL 9

1.52E-10 1.38 IE-LOOPGR,ACP-XHE-XM-T11A12B2,RPS-UVL-CF-UVDAB,RPS-XHE-XE-SIGNL 10 1.23E-10 1.12 IE-LOOPGR,EPS-DGN-FR-1CD,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,RPS-BME-CF-RTBAB 11 1.23E-10 1.12 IE-LOOPGR,EPS-DGN-FR-1CD,EPS-DGN-SDG1-DGCD,/EPS-DUAL-UNIT-LOOP,RPS-BME-CF-RTBAB

LERs 315-2015-001 and 315-2015-002 22 Cut Set Report - LOOPSC 02-04 Only items contributing at least 1% to the total are displayed.

P R O B/F R E Q T O T AL%

C U T S E T 7.98E-9 100 Displaying 132 Cut Sets. (132 Original) 1 3.96E-10 4.97 IE-LOOPSC,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-SDG2,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 2

3.96E-10 4.97 IE-LOOPSC,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-SDG2,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 3

3.96E-10 4.97 IE-LOOPSC,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-SDG1,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 4

3.96E-10 4.97 IE-LOOPSC,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-SDG1,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 5

2.28E-10 2.85 IE-LOOPSC,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-SDG1,EPS-DGN-TM-1CD,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 6

2.28E-10 2.85 IE-LOOPSC,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-SDG2,EPS-DGN-TM-1CD,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 7

2.28E-10 2.85 IE-LOOPSC,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-SDG1,EPS-DGN-TM-1CD,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 8

2.28E-10 2.85 IE-LOOPSC,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-SDG2,EPS-DGN-TM-1CD,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 9

2.00E-10 2.51 IE-LOOPSC,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG1,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 10 2.00E-10 2.51 IE-LOOPSC,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG1,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 11 2.00E-10 2.51 IE-LOOPSC,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG2,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 12 2.00E-10 2.51 IE-LOOPSC,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG2,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 13 1.74E-10 2.18 IE-LOOPSC,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG1,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,OEP-XHE-XX-NR02HSC1,RCS-MDP-LK-BP2 14 1.74E-10 2.18 IE-LOOPSC,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG2,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,OEP-XHE-XX-NR02HSC1,RCS-MDP-LK-BP2 15 1.74E-10 2.18 IE-LOOPSC,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG2,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,OEP-XHE-XX-NR02HSC1,RCS-MDP-LK-BP2 16 1.74E-10 2.18 IE-LOOPSC,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG1,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,OEP-XHE-XX-NR02HSC1,RCS-MDP-LK-BP2 17 1.15E-10 1.44 IE-LOOPSC,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG2,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2

LERs 315-2015-001 and 315-2015-002 23 P R O B/F R E Q T O T AL%

C U T S E T 18 1.15E-10 1.44 IE-LOOPSC,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG2,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 19 1.15E-10 1.44 IE-LOOPSC,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG1,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 20 1.15E-10 1.44 IE-LOOPSC,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-TM-1CD,EPS-DGN-TM-SDG1,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 21 9.98E-11 1.25 IE-LOOPSC,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG2,OEP-XHE-XL-NR02HSC,OEP-XHE-XX-NR02HSC1,RCS-MDP-LK-BP2 22 9.98E-11 1.25 IE-LOOPSC,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG1,OEP-XHE-XL-NR02HSC,OEP-XHE-XX-NR02HSC1,RCS-MDP-LK-BP2 23 9.98E-11 1.25 IE-LOOPSC,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG1,OEP-XHE-XL-NR02HSC,OEP-XHE-XX-NR02HSC1,RCS-MDP-LK-BP2 24 9.98E-11 1.25 IE-LOOPSC,ACP-XHE-XM-T11D12C2,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-FR-SDG2,OEP-XHE-XL-NR02HSC,OEP-XHE-XX-NR02HSC1,RCS-MDP-LK-BP2 25 8.79E-11 1.10 IE-LOOPSC,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-SDG1,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,OEP-XHE-XX-NR02HSC1,RCS-MDP-LK-BP2 26 8.79E-11 1.10 IE-LOOPSC,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-SDG1,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,OEP-XHE-XX-NR02HSC1,RCS-MDP-LK-BP2 27 8.79E-11 1.10 IE-LOOPSC,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-SDG2,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,OEP-XHE-XX-NR02HSC1,RCS-MDP-LK-BP2 28 8.79E-11 1.10 IE-LOOPSC,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-1CD,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-SDG2,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,OEP-XHE-XX-NR02HSC1,RCS-MDP-LK-BP2 29 7.99E-11 1.00 IE-LOOPSC,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-SDG2,EPS-DGN-FS-1CD,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 30 7.99E-11 1.00 IE-LOOPSC,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-SDG2,EPS-DGN-FS-1CD,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 31 7.99E-11 1.00 IE-LOOPSC,CCW-CFG-AP-UNIT1E,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-SDG1,EPS-DGN-FS-1CD,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 32 7.99E-11 1.00 IE-LOOPSC,CCW-CFG-AP-UNIT1W,CVC-XHE-XM-CVCSXTIE,EPS-DGN-FR-SDG1,EPS-DGN-FS-1CD,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HSC,RCS-MDP-LK-BP2 Cut Set Report - LOOPSC 17-10 Only items contributing at least 1% to the total are displayed.

P R O B/F R E Q T O T AL%

C U T S E T 9.33E-9 100 Displaying 63 Cut Sets. (63 Original) 1 2.01E-9 21.53 IE-LOOPSC,ACP-XHE-XM-T11A12B2,RPS-BME-CF-RTBAB 2

1.68E-9 17.96 IE-LOOPSC,ACP-XHE-XM-T11A12B2,RPS-CBI-CF-6OF8,/RPS-CCP-TM-CHA,RPS-XHE-XE-NSGNL 3

1.51E-9 16.18 IE-LOOPSC,ACP-XHE-XM-T11A12B2,RPS-ROD-CF-RCCAS

LERs 315-2015-001 and 315-2015-002 24 P R O B/F R E Q T O T AL%

C U T S E T 4

1.14E-9 12.18 IE-LOOPSC,ACP-XHE-XM-T11A12B2,/RPS-CCP-TM-CHA,RPS-CCX-CF-6OF8,RPS-XHE-XE-NSGNL 5

2.34E-10 2.51 IE-LOOPSC,RCS-PHN-MODPOOR,RPS-BME-CF-RTBAB 6

1.96E-10 2.10 IE-LOOPSC,RCS-PHN-MODPOOR,RPS-CBI-CF-6OF8,/RPS-CCP-TM-CHA,RPS-XHE-XE-NSGNL 7

1.76E-10 1.89 IE-LOOPSC,RCS-PHN-MODPOOR,RPS-ROD-CF-RCCAS 8

1.33E-10 1.42 IE-LOOPSC,RCS-PHN-MODPOOR,/RPS-CCP-TM-CHA,RPS-CCX-CF-6OF8,RPS-XHE-XE-NSGNL 9

1.30E-10 1.39 IE-LOOPSC,ACP-XHE-XM-T11A12B2,RPS-UVL-CF-UVDAB,RPS-XHE-XE-SIGNL 10 1.05E-10 1.13 IE-LOOPSC,EPS-DGN-FR-1CD,EPS-DGN-SDG1-DGCD,/EPS-DUAL-UNIT-LOOP,RPS-BME-CF-RTBAB 11 1.05E-10 1.13 IE-LOOPSC,EPS-DGN-FR-1CD,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,RPS-BME-CF-RTBAB Cut Set Report - LOOPGR 09 Only items contributing at least 1% to the total are displayed.

P R O B/F R E Q T O T AL%

C U T S E T 8.62E-9 100 Displaying 51 Cut Sets. (51 Original) 1 2.05E-9 23.76 IE-LOOPGR,EPS-DGN-SDG1-DGAB,EPS-DGN-TM-1CD,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HGR,PPR-SRV-CO-L,PPR-SRV-OO-PRV153 2

1.18E-9 13.64 IE-LOOPGR,ACP-XHE-XM-T11D12C2,EPS-DGN-TM-1CD,OEP-XHE-XL-NR02HGR,PPR-SRV-CO-L,PPR-SRV-OO-PRV153 3

7.98E-10 9.26 IE-LOOPGR,EPS-DGN-FR-1CD,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HGR,OEP-XHE-XX-NR02HGR1,PPR-SRV-CO-L,PPR-SRV-OO-PRV153 4

4.58E-10 5.32 IE-LOOPGR,ACP-XHE-XM-T11D12C2,EPS-DGN-FR-1CD,OEP-XHE-XL-NR02HGR,OEP-XHE-XX-NR02HGR1,PPR-SRV-CO-L,PPR-SRV-OO-PRV153 5

4.13E-10 4.79 IE-LOOPGR,EPS-DGN-FS-1CD,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HGR,PPR-SRV-CO-L,PPR-SRV-OO-PRV153 6

3.41E-10 3.96 IE-LOOPGR,ACP-CRB-CC-T11D12,ACP-XHE-XM-STRIP-T11D,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,OEP-XHE-XL-NR02HGR,PPR-SRV-CO-L,PPR-SRV-OO-PRV153 7

2.37E-10 2.75 IE-LOOPGR,ACP-XHE-XM-T11D12C2,EPS-DGN-FS-1CD,OEP-XHE-XL-NR02HGR,PPR-SRV-CO-L,PPR-SRV-OO-PRV153 8

1.96E-10 2.27 IE-LOOPGR,ACP-CRB-CC-T11D12,ACP-XHE-XM-STRIP-T11D,ACP-XHE-XM-T11D12C2,OEP-XHE-XL-NR02HGR,PPR-SRV-CO-L,PPR-SRV-OO-PRV153 9

1.64E-10 1.90 IE-LOOPGR,ACP-XHE-XM-T11A12B2,HPI-XHE-XM-RECIRC,OEP-XHE-XL-NR02HGR,PPR-SRV-CO-L,PPR-SRV-OO-PRV151 10 1.64E-10 1.90 IE-LOOPGR,ACP-XHE-XM-T11A12B2,HPI-XHE-XM-RECIRC,OEP-XHE-XL-NR02HGR,PPR-SRV-CO-L,PPR-SRV-OO-PRV152 11 1.43E-10 1.66 IE-LOOPGR,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,EPS-XHE-XR-1CD,OEP-XHE-XL-NR02HGR,PPR-SRV-CO-L,PPR-SRV-OO-PRV153 12 1.20E-10 1.39 IE-LOOPGR,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,EPS-FAN-FS-HVX2,OEP-XHE-XL-NR02HGR,PPR-SRV-CO-L,PPR-SRV-OO-PRV153 13 1.20E-10 1.39 IE-LOOPGR,EPS-DGN-SDG1-DGAB,/EPS-DUAL-UNIT-LOOP,EPS-FAN-FS-HVS2,OEP-XHE-XL-NR02HGR,PPR-SRV-CO-L,PPR-SRV-OO-PRV153

LERs 315-2015-001 and 315-2015-002 25 Referenced Events Event Description Probability ACP-BAC-LP-T11D 4160 V AC T11D BUS FAILS 3.33E-5 ACP-CRB-CC-1A7 4KV BREAKER 1A7 FAILS TO OPEN 2.39E-3 ACP-CRB-CC-1D5 BRK 1D5 CLOSE BREAKER REMAINS CLOSE 2.39E-3 ACP-CRB-CC-T11D12 4KV BREAKER T11D12FAILS TO OPEN 2.39E-3 ACP-CRB-OO-1A5 CRB 1A5 FROM 34.5 KV FAILS TO CLOSE 2.39E-3 ACP-CRB-OO-1D3 BRK 1D3 FAILS TO CLOSE 2.39E-3 ACP-CRB-OO-T111A12 CRB A12 FROM SBDG FAILS TO CLOSE 2.39E-3 ACP-CRB-OO-T11D1 4 KV CRB D1 FROM SBDG FAILS TO CLOSE 2.39E-3 ACP-XHE-XM-STRIP-T11D HUMAN ERROR FAILS TO MANUALLY STRIP BUS T11D 1.00E+0 ACP-XHE-XM-T11A12B2 OPERATOR FAILS TO CLOSE BREAKERS T11A12 AND T11B2 1.20E-1 ACP-XHE-XM-T11D12C2 OPERATOR FAILS TO CLOSE BREAKERS T11D1 AND T11C2 1.20E-1 AFW-AOV-OO-257 EMERG. LEAK OFF FRV-257 FAILS TO CLOSE: FLOW DIVERSION 9.51E-4 AFW-MDP-FR-PP3E AFW MDP PP3E FAILS TO RUN 3.62E-4 AFW-MDP-FS-PP3E AFW MDP PP3E FAILS TO START 9.47E-4 AFW-MDP-TM-PP3E AFW MDP PP3E UNAVAILABLE DUE TO TEST AND MAINTENANCE 3.98E-3 AFW-PMP-CF-FRALL COMMON CAUSE FAILURE OF AFW PUMPS 7.47E-6 AFW-PMP-FR-PP3E FAILURE OF AFW PUMP UNIT PP3E 1.58E-3 AFW-PMP-FR-PP4 FAILURE OF AFW PUMP UNIT PP4 1.58E-3 AFW-TDP-FR-PP4 AFW TDP PP4 FAILS TO RUN 3.95E-2 AFW-TDP-FS-PP4 AFW TDP PP4 FAILS TO START 6.49E-3 AFW-TDP-TM-PP4 AFW TDP PP4 UNAVAILABLE DUE TO TEST AND MAINTENANCE 5.39E-3 AFW-XHE-XM-SGDEP OPERATOR FAILS TO DEPRESSURIZE SGs TO ATMOSPHERIC PRESSURE 1.00E-3 AFW-XHE-XM-XTIEUNIT OPERATOR FAILS TO XTIE OPPOSITE UNIT AFW SYSTEM 4.00E-2 CCW-CFG-AP-UNIT1E FRACTION OF TIME UNIT 1 EAST CCW IS INITIALLY OPERATING TRAIN 5.00E-1 CCW-CFG-AP-UNIT1W FRACTION OF TIME UNIT 1 WEST CCW IS INITIALLY OPERATING TRAIN 5.00E-1 CCW-MDP-FS-PP10E CCW MDP 10E FAILS TO START 1.36E-3 CCW-MDP-TM-PP10E CCW MDP PP10E UNAVAILABLE DUE TO T&M 4.79E-3 CCW-SYS-LK-EAST EAST HEADER LEAKAGE REQUIRES ISOLATION (PSA) 1.00E-4 CCW-SYS-LK-WEST WEST HEADER LEAKAGE REQUIRES ISOLATION (PSA) 1.00E-4 CCW-XHE-XR-PP10E OP FAILS TO RESTORE CCW MDP 10E 1.00E-3 CVC-XHE-XM-CVCSXTIE OPERATOR FAILS TO ALIGN CVCS XTIE TO ALTERNATE UNIT 2.00E-2 DCP-BAT-CF-ALL Failure of Batteries in Both Units 8.03E-8 DCP-BCH-TM-NB AFW TDP N TRAIN STANDBY BATTERY CHARGER IN T&M 2.00E-3 DCP-XHE-XM-BCH OP FAILS TO ALIGN STANDBY BATTERY CHARGER 4.00E-3 EPS-DGN-CF-RSDG COMMON CAUSE FAILURE OF SDG DIESEL GENERATORS TO RUN 3.86E-4 EPS-DGN-CF-RUN4 COMMON CAUSE FAILURE OF ALL 4 DIESEL GENERATORS TO RUN 4.82E-5 EPS-DGN-CF-STRT4 COMMON CAUSE FAILURE OF ALL 4 DIESEL GENERATORS TO START 6.31E-6 EPS-DGN-FR-1CD DIESEL GENERATOR 1CD FAILS TO RUN 3.01E-2 EPS-DGN-FR-2AB DIESEL GENERATOR 2AB FAILS TO RUN 3.01E-2 EPS-DGN-FR-2CD DIESEL GENERATOR 2CD FAILS TO RUN 3.01E-2 EPS-DGN-FR-SDG1 SUPPLEMENTAL DIESEL GENERATOR 1 FAILS TO RUN 2.84E-2 EPS-DGN-FR-SDG2 SUPPLEMENTAL DIESEL GENERATOR 2 FAILS TO RUN 2.84E-2 EPS-DGN-FS-1CD DIESEL GENERATOR 1CD FAILS TO START 2.89E-3

LERs 315-2015-001 and 315-2015-002 26 EPS-DGN-SDG1-DGAB SDG ALIGNED TO T11AB-PROBABILITY OF 0.5 5.00E-1 EPS-DGN-SDG1-DGCD SDG ALIGNED TO T11CD-PROBABILITY OF 0.5 5.00E-1 EPS-DGN-SDG2 SDGS ALIGNED TO OTHER UNIT IN DUAL UNIT SBO 5.00E-1 EPS-DGN-TM-1CD DIESEL GENERATOR 1CD UNAVAILABLE DUE TO TEST AND MAINTENANCE 1.43E-2 EPS-DGN-TM-2AB DIESEL GENERATOR 2AB UNAVAILABLE DUE TO TEST AND MAINTENANCE 1.43E-2 EPS-DGN-TM-2CD DIESEL GENERATOR 2CD UNAVAILABLE DUE TO TEST AND MAINTENANCE 1.43E-2 EPS-DGN-TM-SDG1 SDG1 UNAVAIL DUE TO TEST OR MAINT 1.43E-2 EPS-DGN-TM-SDG2 SDG1 UNAVAIL DUE TO TEST OR MAINT 1.43E-2 EPS-DUAL-UNIT-LOOP LOOP EVENT HAS AFFECTED BOTH UNITS 5.82E-1 EPS-FAN-CF-U12EXFTS CCF U1&2 EDG FANS FAIL TO START 2.80E-6 EPS-FAN-FS-HVS2 EDG CD SUPPLY FAN FAILS TO START (HV-DGS-2) 8.42E-4 EPS-FAN-FS-HVX2 EDG CD EXHAUST FAN FAILS TO START (HV-DGX-2) 8.42E-4 EPS-XHE-XL-NR04H OPERATOR FAILS TO RECOVER EMERGENCY DIESEL IN 4 HOURS 6.98E-1 EPS-XHE-XM-SDG OPERATOR FAILS TO ALIGN SUPPLEMENTAL DIESEL GENERATOR 2.00E-2 EPS-XHE-XR-1CD OP FAILS TO RESTORE DIESEL GENERATOR 1CD 1.00E-3 ESW-MDP-CF-RUN CCF U1&2 ESW PUMPS FAIL TO RUN 2.58E-6 ESW-MDP-CF-STRT CCF U1&2 ESW PUMPS FAIL TO START 1.96E-6 HPI-XHE-XM-RECIRC OPERATOR FAILS TO START HIGH PRESSURE RECIRC 2.00E-3 IE-LOOPGR LOSS OF OFFSITE POWER INITIATOR (GRID-RELATED) 1.22E-2 IE-LOOPSC LOSS OF OFFSITE POWER INITIATOR (SWITCHYARD-CENTERED) 1.04E-2 IE-LOOPWR LOSS OF OFFSITE POWER INITIATOR (WEATHER-RELATED) 3.91E-3 IE-SGTR STEAM GENERATOR TUBE RUPTURE 2.07E-3 IE-SORV PORV FAILS OPEN (PRA) 1.83E-3 MSS-SRV-OO-1A1 FAILURE OF SG 1 SAFETY VALVE 1A-1 FAILS TO RECLOSE 1.73E-3 MSS-SRV-OO-1A2 FAILURE OF SG 2 SAFETY VALVE 1A-2 FAILS TO RECLOSE 1.73E-3 MSS-SRV-OO-1A3 FAILURE OF SG 3 SAFETY VALVE 1A-3 FAILS TO RECLOSE 1.73E-3 MSS-SRV-OO-1A4 FAILURE OF SG 4 SAFETY VALVE 1A-4 FAILS TO RECLOSE 1.73E-3 MSS-SRV-OO-1B1 FAILURE OF SG 1 SAFETY VALVE 1B-1 FAILS TO RECLOSE 1.73E-3 MSS-SRV-OO-1B2 FAILURE OF SG 2 SAFETY VALVE 1B-2 FAILS TO RECLOSE 1.73E-3 MSS-SRV-OO-1B3 FAILURE OF SG 3 SAFETY VALVE 1B-3 FAILS TO RECLOSE 1.73E-3 MSS-SRV-OO-1B4 FAILURE OF SG 4 SAFETY VALVE 1B-4 FAILS TO RECLOSE 1.73E-3 MSS-SRV-OO-2A1 FAILURE OF SG 1 SAFETY VALVE 2A-1 FAILS TO RECLOSE 1.73E-3 MSS-SRV-OO-2A2 FAILURE OF SG 2 SAFETY VALVE 2A-2 FAILS TO RECLOSE 1.73E-3 MSS-SRV-OO-2A3 FAILURE OF SG 3 SAFETY VALVE 2A-3 FAILS TO RECLOSE 1.73E-3 MSS-SRV-OO-2A4 FAILURE OF SG 4 SAFETY VALVE 2A-4 FAILS TO RECLOSE 1.73E-3 MSS-SRV-OO-2B1 FAILURE OF SG 1 SAFETY VALVE 2B-1 FAILS TO RECLOSE 1.73E-3 MSS-SRV-OO-2B2 FAILURE OF SG 2 SAFETY VALVE 2B-2 FAILS TO RECLOSE 1.73E-3 MSS-SRV-OO-2B3 FAILURE OF SG 3 SAFETY VALVE 2B-3 FAILS TO RECLOSE 1.73E-3 MSS-SRV-OO-2B4 FAILURE OF SG 4 SAFETY VALVE 2B-4 FAILS TO RECLOSE 1.73E-3 MSS-SRV-OO-31 FAILURE OF SG 1 SAFETY VALVE 3-1 TO RECLOSE 1.73E-3 MSS-SRV-OO-32 FAILURE OF SG 2 SAFETY VALVE 3-2 TO RECLOSE 1.73E-3 MSS-SRV-OO-33 FAILURE OF SG 3 SAFETY VALVE 3-3 TO RECLOSE 1.73E-3 MSS-SRV-OO-34 FAILURE OF SG 4 SAFETY VALVE 3-4 TO RECLOSE 1.73E-3 OEP-XHE-XL-NR02HGR OPERATOR FAILS TO RECOVER OFFSITE POWER IN 2 HOURS (GRID-RELATED) 3.91E-1 OEP-XHE-XL-NR02HSC OPERATOR FAILS TO RECOVER OFFSITE POWER IN 2 HOURS (SWITCHYARD) 2.24E-1

LERs 315-2015-001 and 315-2015-002 27 OEP-XHE-XL-NR02HWR OPERATOR FAILS TO RECOVER OFFSITE POWER IN 2 HOURS (WEATHER-RELATED) 5.59E-1 OEP-XHE-XL-NR04HGR OPERATOR FAILS TO RECOVER OFFSITE POWER IN 4 HOURS (GRID-RELATED) 1.69E-1 OEP-XHE-XL-NR04HSC OPERATOR FAILS TO RECOVER OFFSITE POWER IN 4 HOURS (SWITCHYARD) 1.02E-1 OEP-XHE-XL-NR04HWR OPERATOR FAILS TO RECOVER OFFSITE POWER IN 4 HOURS (WEATHER-RELATED) 4.24E-1 OEP-XHE-XX-NR02HGR1 CONVOLUTION FACTOR FOR 1FTR-OPR (2HR-GR AVAIL) 1.86E-1 OEP-XHE-XX-NR02HSC1 CONVOLUTION FACTOR FOR 1FTR-OPR (2HR-SC AVAIL) 2.09E-1 OEP-XHE-XX-NR02HWR1 CONVOLUTION FACTOR FOR 1FTR-OPR (2HR-WR AVAIL) 4.86E-1 OEP-XHE-XX-NR04HGR0 CONVOLUTION FACTOR FOR CCF-OPR (4HR-GR Avail) 2.20E-1 OEP-XHE-XX-NR04HGR1 CONVOLUTION FACTOR FOR 1FTR-OPR (4HR-GR AVAIL) 2.20E-1 OEP-XHE-XX-NR04HGR2 CONVOLUTION FACTOR FOR 2FTR-OPR (4HR-GR AVAIL) 8.26E-2 OEP-XHE-XX-NR04HGR3 CONVOLUTION FACTOR FOR 3FTR-OPR (4HR-GR AVAIL) 4.59E-2 OEP-XHE-XX-NR04HGR4 CONVOLUTION FACTOR FOR 4FTR-OPR (4HR-GR AVAIL) 3.29E-2 OEP-XHE-XX-NR04HSC0 CONVOLUTION FACTOR FOR CCF-OPR (4HR-SC Avail) 2.64E-1 OEP-XHE-XX-NR04HSC1 CONVOLUTION FACTOR FOR 1FTR-OPR (4HR-SC AVAIL) 2.64E-1 OEP-XHE-XX-NR04HSC2 CONVOLUTION FACTOR FOR 2FTR-OPR (4HR-SC AVAIL) 1.24E-1 OEP-XHE-XX-NR04HSC3 CONVOLUTION FACTOR FOR 3FTR-OPR (4HR-SC AVAIL) 8.33E-2 OEP-XHE-XX-NR04HSC4 CONVOLUTION FACTOR FOR 4FTR-OPR (4HR-SC AVAIL) 6.75E-2 OEP-XHE-XX-NR04HWR0 CONVOLUTION FACTOR FOR CCF-OPR (4HR-WR Avail) 5.53E-1 OEP-XHE-XX-NR04HWR1 CONVOLUTION FACTOR FOR 1FTR-OPR (4HR-WR AVAIL) 5.53E-1 OEP-XHE-XX-NR04HWR2 CONVOLUTION FACTOR FOR 2FTR-OPR (4HR-WR AVAIL) 4.37E-1 OEP-XHE-XX-NR04HWR3 CONVOLUTION FACTOR FOR 3FTR-OPR (4HR-WR AVAIL) 3.93E-1 OEP-XHE-XX-NR04HWR4 CONVOLUTION FACTOR FOR 4FTR-OPR (4HR-WR AVAIL) 3.72E-1 PPR-SRV-CO-L PORVs/SRVs OPEN DURING LOOP 1.48E-1 PPR-SRV-OO-PRV151 PORV 151 FAILS TO RECLOSE AFTER OPENING 9.66E-4 PPR-SRV-OO-PRV152 PORV 152 FAILS TO RECLOSE AFTER OPENING 9.66E-4 PPR-SRV-OO-PRV153 PORV 153 FAILS TO RECLOSE AFTER OPENING 9.66E-4 RCS-MDP-LK-BP2 RCP SEAL STAGE 2 INTEGRITY (BINDING/POPPING OPEN) FAILS 2.00E-1 RCS-PHN-MODPOOR MODERATOR TEMP COEFFICIENT NOT ENOUGH NEGATIVE 1.40E-2 RCS-XHE-XE-SGTR OPERATOR FAILS TO DIAGNOSE SGTR AND START PROCEDURES 8.00E-3 RCS-XHE-XM-ECA312 FAILURE OF OPERATOR TO IMPLEMENT SGTR PROCEDURE ECA 3.1/

3.2 4.00E-3 RHR-MOV-CC-128 FAILURE OF RHR HOT LEG INBD SUCTION MOV A (IMO-128) 9.63E-4 RHR-MOV-CC-129 FAILURE OF RHR HOT LEG OUTBD SUCTION MOV B (IMO-129) 9.63E-4 RPS-BME-CF-RTBAB CCF OF RTB-A AND RTB-B (MECHANICAL) 1.61E-6

LERs 315-2015-001 and 315-2015-002 28 RPS-CBI-CF-6OF8 CCF 6 BISTABLES IN 3 OF 4 CHANNELS 2.70E-6 RPS-CCX-CF-6OF8 CCF 6 ANALOG PROCESS LOGIC MODULES IN 3 OF 4 CHANNELS 1.83E-6 RPS-ROD-CF-RCCAS CCF 10 OR MORE RCCAS FAIL TO DROP 1.21E-6 RPS-UVL-CF-UVDAB CCF UV DRIVERS TRAINS A AND B (2 0F 2) 1.04E-5 RPS-XHE-XE-NSGNL OPERATOR FAILS TO RESPOND WITH NO RPS SIGNAL PRESENT 5.00E-1 RPS-XHE-XE-SIGNL OPERATOR FAILS TO RESPOND WITH RPS SIGNAL PRESENT 1.00E-2 SGTR-SG1 SGTR OCCURRED IN SG-1 2.50E-1 SGTR-SG2 SGTR OCCURRED IN SG-2 2.50E-1 SGTR-SG3 SGTR OCCURRED IN SG-3 2.50E-1 SGTR-SG4 SGTR OCCURRED IN SG-4 2.50E-1

LERs 315-2015-001 and 315-2015-002 29 B: SAPHIRE 8 Worksheet Summary of Conditional Event Changes Event Description Cond Value Nominal Value EPS-DGN-TM-1AB DIESEL GENERATOR 1AB UNAVAILABLE DUE TO TEST AND MAINTENANCE True 1.43E-2 IE-TRANS TRANSIENT INITIATING EVENT 1.00E+0a 6.90E-1

a.

All other initiating event probabilities were set to zero.

Dominant Sequence Results Only items contributing at least 1.0% to the total CCDP are displayed.

E V E N T T R E E S E Q U E N C E CCDP

% C O N T R I B U T I O N D E S C R I P T I O N TRANS 02-02-10 5.66E-7 58.2%

/RPS, /AFW, /PORV, LOSC, /RCPT,

/RSD, /BP1, BP2, HPI-S, /SSC1, /LPI, RHR, HPR, LPR TRANS 21-10 1.44E-7 14.8%

RPS, RCSPRESS TRANS 21-08 1.04E-7 10.7%

RPS, /RCSPRESS, /FW, BORATION TRANS 20 8.66E-8 8.9%

/RPS, AFW, MFW, FAB TRANS 02-03-10 3.52E-8 3.6%

/RPS, /AFW, /PORV, LOSC, /RCPT,

/RSD, BP1, /BP2, HPI-S, /SSC1, /LPI, RHR, HPR, LPR TRANS 02-02-12 1.97E-8 2.0%

/RPS, /AFW, /PORV, LOSC, /RCPT,

/RSD, /BP1, BP2, HPI-S, SSC1 Total 9.73E-7 100.0%

Referenced Fault Trees Fault Tree Description AFW AUXILIARY FEEDWATER BORATION EMERGENCY BORATION BP1 RCP SEAL STAGE 1 INTEGRITY (BINDING/POPPING)

BP2 RCP SEAL STAGE 2 INTEGRITY (BINDING/POPPING)

FAB FEED AND BLEED HPI-S HIGH PRESSURE INJECTION HPR HIGH PRESSURE RECIRCULATION LOSC LOSS OF RCP SEAL COOLING LPR LOW PRESSURE RECIRCULATION MFW MAIN FEEDWATER RCSPRESS RCS PRESSURE LIMITED RHR RESIDUAL HEAT REMOVAL RPS REACTOR SHUTDOWN SSC1 RCS COOLDOWN TO RHR PRESSURE USING TBVs, ETC.

Cut Set Report - TRANS 02-02-10 Only items contributing at least 1% to the total are displayed.

CCDP T O T AL%

C U T S E T 5.66E-7 100 Displaying 97 Cut Sets. (97 Original) 1 5.16E-7 91.09 IE-TRANS,ESW-MDP-CF-RUN,RCS-MDP-LK-BP2 2

3.20E-8 5.66 IE-TRANS,ESW-STR-CF-STR,RCS-MDP-LK-BP2

LERs 315-2015-001 and 315-2015-002 30 Cut Set Report - TRANS 21-10 Only items contributing at least 1% to the total are displayed.

CCDP T O T AL%

C U T S E T 1.44E-7 100 Displaying 85 Cut Sets. (85 Original) 1 2.25E-8 15.69 IE-TRANS,RCS-PHN-MODPOOR,RPS-BME-CF-RTBAB 2

1.88E-8 13.09 IE-TRANS,RCS-PHN-MODPOOR,RPS-CBI-CF-6OF8,/RPS-CCP-TM-CHA,RPS-XHE-XE-NSGNL 3

1.69E-8 11.79 IE-TRANS,RCS-PHN-MODPOOR,RPS-ROD-CF-RCCAS 4

1.27E-8 8.87 IE-TRANS,RCS-PHN-MODPOOR,/RPS-CCP-TM-CHA,RPS-CCX-CF-6OF8,RPS-XHE-XE-NSGNL 5

5.70E-9 3.97 IE-TRANS,PPR-SRV-CC-PRV151,RPS-BME-CF-RTBAB 6

5.70E-9 3.97 IE-TRANS,PPR-SRV-CC-PRV152,RPS-BME-CF-RTBAB 7

5.70E-9 3.97 IE-TRANS,PPR-SRV-CC-PRV153,RPS-BME-CF-RTBAB 8

4.76E-9 3.31 IE-TRANS,PPR-SRV-CC-PRV152,RPS-CBI-CF-6OF8,/RPS-CCP-TM-CHA,RPS-XHE-XE-NSGNL 9

4.76E-9 3.31 IE-TRANS,PPR-SRV-CC-PRV153,RPS-CBI-CF-6OF8,/RPS-CCP-TM-CHA,RPS-XHE-XE-NSGNL 10 4.76E-9 3.31 IE-TRANS,PPR-SRV-CC-PRV151,RPS-CBI-CF-6OF8,/RPS-CCP-TM-CHA,RPS-XHE-XE-NSGNL 11 4.28E-9 2.98 IE-TRANS,PPR-SRV-CC-PRV151,RPS-ROD-CF-RCCAS 12 4.28E-9 2.98 IE-TRANS,PPR-SRV-CC-PRV152,RPS-ROD-CF-RCCAS 13 4.28E-9 2.98 IE-TRANS,PPR-SRV-CC-PRV153,RPS-ROD-CF-RCCAS 14 3.22E-9 2.24 IE-TRANS,PPR-SRV-CC-PRV152,/RPS-CCP-TM-CHA,RPS-CCX-CF-6OF8,RPS-XHE-XE-NSGNL 15 3.22E-9 2.24 IE-TRANS,PPR-SRV-CC-PRV153,/RPS-CCP-TM-CHA,RPS-CCX-CF-6OF8,RPS-XHE-XE-NSGNL 16 3.22E-9 2.24 IE-TRANS,PPR-SRV-CC-PRV151,/RPS-CCP-TM-CHA,RPS-CCX-CF-6OF8,RPS-XHE-XE-NSGNL 17 1.46E-9 1.01 IE-TRANS,RCS-PHN-MODPOOR,RPS-UVL-CF-UVDAB,RPS-XHE-XE-SIGNL Cut Set Report - TRANS 21-08 Only items contributing at least 1% to the total are displayed.

CCDP T O T AL%

C U T S E T 1.04E-7 100 Displaying 13 Cut Sets. (13 Original) 1 3.22E-8 30.86 IE-TRANS,CVC-XHE-XM-BOR,RPS-BME-CF-RTBAB 2

2.69E-8 25.74 IE-TRANS,CVC-XHE-XM-BOR,RPS-CBI-CF-6OF8,/RPS-CCP-TM-CHA,RPS-XHE-XE-NSGNL 3

2.42E-8 23.19 IE-TRANS,CVC-XHE-XM-BOR,RPS-ROD-CF-RCCAS 4

1.82E-8 17.45 IE-TRANS,CVC-XHE-XM-BOR,/RPS-CCP-TM-CHA,RPS-CCX-CF-6OF8,RPS-XHE-XE-NSGNL 5

2.08E-9 1.99 IE-TRANS,CVC-XHE-XM-BOR,RPS-UVL-CF-UVDAB,RPS-XHE-XE-SIGNL Cut Set Report - TRANS 20 Only items contributing at least 1% to the total are displayed.

CCDP T O T AL%

C U T S E T 8.66E-8 100 Displaying 86 Cut Sets. (86 Original) 1 8.03E-8 92.72 IE-TRANS,DCP-BAT-CF-ALL 2

1.02E-9 1.17 IE-TRANS,AFW-PMP-CF-FRALL,AFW-XHE-XM-XTIEUNIT,HPI-XHE-XM-FB,MFW-XHE-XM-STRT

LERs 315-2015-001 and 315-2015-002 31 Cut Set Report - TRANS 02-03-10 Only items contributing at least 1% to the total are displayed.

CCDP T O T AL%

C U T S E T 3.52E-8 100 Displaying 22 Cut Sets. (22 Original) 1 3.22E-8 91.49 IE-TRANS,ESW-MDP-CF-RUN,RCS-MDP-LK-BP1 2

2.00E-9 5.68 IE-TRANS,ESW-STR-CF-STR,RCS-MDP-LK-BP1 Cut Set Report - TRANS 02-02-12 Only items contributing at least 1% to the total are displayed.

CCDP T O T AL%

C U T S E T 1.97E-8 100 Displaying 21 Cut Sets. (21 Original) 1 1.03E-8 52.29 IE-TRANS,ESW-MDP-CF-RUN,OPR-XHE-XM-DEPRCS2,RCS-MDP-LK-BP2 2

4.00E-9 20.28 IE-TRANS,CCW-CFG-AP-UNIT1E,CCW-SYS-LK-EAST,CVC-XHE-XM-CVCSXTIE,OPR-XHE-XM-DEPRCS2,RCS-MDP-LK-BP2 3

4.00E-9 20.28 IE-TRANS,CCW-CFG-AP-UNIT1W,CCW-SYS-LK-WEST,CVC-XHE-XM-CVCSXTIE,OPR-XHE-XM-DEPRCS2,RCS-MDP-LK-BP2 4

6.40E-10 3.25 IE-TRANS,ESW-STR-CF-STR,OPR-XHE-XM-DEPRCS2,RCS-MDP-LK-BP2 5

2.00E-10 1.01 IE-TRANS,CCW-CFG-AP-UNIT1W,CCW-SYS-LK-WEST,OPR-XHE-XM-DEPRCS2,RCS-MDP-LK-BP2,UNIT-2-CVCS 6

2.00E-10 1.01 IE-TRANS,CCW-CFG-AP-UNIT1E,CCW-SYS-LK-EAST,OPR-XHE-XM-DEPRCS2,RCS-MDP-LK-BP2,UNIT-2-CVCS Referenced Events Event Description Probability AFW-PMP-CF-FRALL COMMON CAUSE FAILURE OF AFW PUMPS 7.47E-6 AFW-XHE-XM-XTIEUNIT OPERATOR FAILS TO XTIE OPPOSITE UNIT AFW SYSTEM 4.00E-2 CCW-CFG-AP-UNIT1E FRACTION OF TIME UNIT 1 EAST CCW IS INITIALLY OPERATING TRAIN 5.00E-1 CCW-CFG-AP-UNIT1W FRACTION OF TIME UNIT 1 WEST CCW IS INITIALLY OPERATING TRAIN 5.00E-1 CCW-SYS-LK-EAST EAST HEADER LEAKAGE REQUIRES ISOLATION (PSA) 1.00E-4 CCW-SYS-LK-WEST WEST HEADER LEAKAGE REQUIRES ISOLATION (PSA) 1.00E-4 CVC-XHE-XM-BOR OPERATOR FAILS TO INITIATE EMERGENCY BORATION 2.00E-2 CVC-XHE-XM-CVCSXTIE OPERATOR FAILS TO ALIGN CVCS XTIE TO ALTERNATE UNIT 2.00E-2 DCP-BAT-CF-ALL Failure of Batteries in Both Units 8.03E-8 ESW-MDP-CF-RUN CCF U1&2 ESW PUMPS FAIL TO RUN 2.58E-6 ESW-STR-CF-STR CCF OF ESW MDP DISCHARGE STRAINERS 1.60E-7 HPI-XHE-XM-FB OPERATOR FAILS TO INITIATE FEED AND BLEED COOLING 2.00E-2 IE-TRANS TRANSIENT INITIATING EVENT 1.00E+0 MFW-XHE-XM-STRT OPERATOR FAILS TO START MAIN FEED PUMP (PSA) 1.70E-1 OPR-XHE-XM-DEPRCS2 OPERATOR FAILS TO DEPRESSURIZE RCS/SECONDARY SIDE (RAPID) 2.00E-2 PPR-SRV-CC-PRV151 PORV 151 FAILS TO OPEN ON DEMAND 3.54E-3 PPR-SRV-CC-PRV152 PORV 152 FAILS TO OPEN ON DEMAND 3.54E-3 PPR-SRV-CC-PRV153 PORV 153 FAILS TO OPEN ON DEMAND 3.54E-3 RCS-MDP-LK-BP1 RCP SEAL STAGE 1 INTEGRITY (BINDING/POPPING OPEN) FAILS 1.25E-2 RCS-MDP-LK-BP2 RCP SEAL STAGE 2 INTEGRITY (BINDING/POPPING OPEN) FAILS 2.00E-1 RCS-PHN-MODPOOR MODERATOR TEMP COEFFICIENT NOT ENOUGH NEGATIVE 1.40E-2 RPS-BME-CF-RTBAB CCF OF RTB-A AND RTB-B (MECHANICAL) 1.61E-6 RPS-CBI-CF-6OF8 CCF 6 BISTABLES IN 3 OF 4 CHANNELS 2.70E-6 RPS-CCX-CF-6OF8 CCF 6 ANALOG PROCESS LOGIC MODULES IN 3 OF 4 CHANNELS 1.83E-6 RPS-ROD-CF-RCCAS CCF 10 OR MORE RCCAS FAIL TO DROP 1.21E-6

LERs 315-2015-001 and 315-2015-002 32 RPS-UVL-CF-UVDAB CCF UV DRIVERS TRAINS A AND B (2 0F 2) 1.04E-5 RPS-XHE-XE-NSGNL OPERATOR FAILS TO RESPOND WITH NO RPS SIGNAL PRESENT 5.00E-1 RPS-XHE-XE-SIGNL OPERATOR FAILS TO RESPOND WITH RPS SIGNAL PRESENT 1.00E-2 UNIT-2-CVCS UNDEVELOPED EVENT FOR U2 CVCS HARDWARE 1.00E-3

LERs 315-2015-001 and 315-2015-002 0 : Key Event Tree Figure 2A: D. C. Cook, Unit 1 LOOPGR Event Tree Figure 2B: D. C. Cook, Unit 1 SLOCA Event Tree

ML16113A198

Text

Navigation menu

Search