2CAN110904, Snubber Testing Program for Fourth Inspection Interval

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Snubber Testing Program for Fourth Inspection Interval
ML093140290
Person / Time
Site: Arkansas Nuclear Entergy icon.png
Issue date: 11/10/2009
From: David Bice
Entergy Operations
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
2CAN110904
Download: ML093140290 (23)
v • d • e


Text

Entergy Operations, Inc.

1448 S.R. 333 Russellville, AR 72802 Tel 479-858-4710 David B. Bice Acting Manager, Licensing Arkansas Nuclear One 2CAN110904 November 10, 2009 U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555-0001

SUBJECT:

Snubber Testing Program for Fourth Inspection Interval Arkansas Nuclear One, Unit 2 Docket No. 50-368 License No. NPF-6

Dear Sir or Madam:

10 CFR50.55a references the American Society of Mechanical Engineers (ASME) Code for Operation and Maintenance of Nuclear Power Plants (OM Code) to include the 1995 Edition through the 2004 Edition. ASME OM Code-2004 Edition, Subsection ISTA-3110 requires the development of test plans for each test interval. These plans are to be filed with the regulatory authorities having jurisdiction at the plant site. Entergy Operations, Inc. (Entergy) is therefore providing the test plan for the dynamic restraints (snubbers) at Arkansas Nuclear One, Unit 2 (ANO-2) for the fourth inspection interval. This interval commences on March 26, 2010, and concludes on March 25, 2020. The plan is attached.

Entergy is providing this plan for information only. Entergy is not requesting NRC approval of the plan. Any relief requests associated with this plan will be submitted as a separate document.

This letter contains no new commitments.

If you have any questions or require additional information, please contact me.

Sincerely, DBB/rwc

Attachment:

Snubber Test Plan for the Fourth Inspection Interval

2CAN110904 Page 2 of 2 cc: Mr. Elmo E. Collins Regional Administrator U. S. Nuclear Regulatory Commission Region IV 612 E. Lamar Blvd., Suite 400 Arlington, TX 76011-4125 NRC Senior Resident Inspector Arkansas Nuclear One P.O. Box 310 London, AR 72847 U.S. Nuclear Regulatory Commission Attn: Mr. Kaly Kalyanam MS O-8 B1 One White Flint North 11555 Rockville Pike Rockville, MD 20852

ATTACHMENT TO 2CAN110904 SNUBBER TEST PLAN FOR THE FOURTH INSPECTION INTERVAL

Attachment to 2CAN110904 Page 1 of 20 Snubber Test Plan for the Fourth Inspection Interval The Arkansas Nuclear One, Unit 2 (ANO-2) Snubber Test Plan for the fourth inspection interval has been prepared in accordance with the guidance provided in American Society of Mechanical Engineers (ASME) Code for Operation and Maintenance at Nuclear Power Plants (OM Code)-2004 Edition, Subsection ISTA-3110.

INTRODUCTION The U.S. Code of Federal Regulation, Title 10, Section 50.55a, "Codes and Standards,"

incorporates by reference the ASME Code for Operation and Maintenance of Nuclear Power Plants that includes rules for inservice examination and testing of snubbers at nuclear power plants. Paragraph 50.55a(f)(4)(ii) requires inservice testing to be conducted in accordance with the requirements of the 2004 Edition. Paragraph 50.55a(b)(3) refers to ASME Code for Operation and Maintenance, 2004 Edition. Paragraph 50.55a(b)(3)(v) allows Subsection ISTD (Preservice and Inservice Examination and Testing of Dynamic Restraints (Snubbers) in Light-Water Reactor Nuclear Power Plants) to be used in place of the requirement for snubbers in ASME Section XI, IWF-5200(a) and (b) and IWF-5300(a) and (b), by making appropriate changes to Technical Specifications (TSs) or licensee-controlled documents with the additional modification that examinations must be performed using the VT-3 visual examination method described in ASME Section XI, Article IWA-2213. The fourth 10-year inspection interval for ANO-2 snubbers begins on March 26, 2010 and ends on March 25, 2020.

TEST PLAN

1. Relationship with Technical Specifications Entergy Operations, Inc. (Entergy) submitted a request to the NRC dated July 21, 2008, to include Limiting Condition of Operations (LCO) 3.0.8 in the ANO-2 TSs and to relocate the snubber operability requirements from TS 3.7.8 to the Owner controlled Technical Requirements Manual (TRM). This request was approved by the NRC on March 6, 2009.

Entergy has revised the ANO-2 TRM to reference and meet all the requirements of ASME OM Subsection ISTD for visual examination, functional testing, and snubber service life monitoring.

2. Quality Assurance Subsection ISTA of the OM-2004 Code provides General Requirements applicable to OM Code activities. These requirements shall be applied to snubber program activities. The 10 CFR 50, Appendix B Quality Assurance Program applicable to ANO-2 will be used in conjunction with the OM Code requirements.

Commitments contained in the ANO Quality Assurance Program that are more stringent than the quality assurance requirements referenced by ISTA-1500 shall govern OM Code activities.

Where the OM Code does not address the commitments contained in the Quality Assurance Program, the commitments will be applied to the OM Code activities.

Attachment to 2CAN110904 Page 2 of 20

3. ANO-2 Safety Class Piping The snubbers classified as Important to Safety at ANO-2 are those attached directly to Safety Class 1, 2 or 3 piping (safety-related) and those attached to non safety-related portions of systems but included in the safety-related stress analysis (safety-significant). This encompasses the scope described in ASME OM Code, ISTA-1100.
4. Snubber Visual Examination The snubbers listed in Table 1 identify the snubbers at ANO-2 subject to periodic visual examination. The table includes all safety-related and safety-significant snubbers installed at ANO-2. Snubbers not Important to Safety are not included in this Plan. Snubbers may be categorized as accessible or inaccessible, or grouped together. The examination of snubbers will be performed by qualified examiners using the VT-3 examination methods specified in ASME IWA-2213. The frequency of examination will be in accordance with the duration of an examination interval that meets the requirements of ISTD.
5. Snubber Operational Readiness Testing (Functional Test)

The snubbers listed in Table 1 identify the snubber population at ANO subject to operational readiness testing. The table includes all safety-related and safety-significant snubbers installed at ANO-2. Snubbers not Important to Safety are not included in this Plan. Each refueling cycle a representative sample of snubbers will be tested using a random sample selection plan in accordance with ISTD-5260 and the ANO-2 TRM. In the event any unacceptable snubbers are found, they will be evaluated for cause and additional snubbers will be selected for testing during the same refueling cycle to meet the requirements of ISTD-5320 and the ANO-2 TRM. If the evaluation identifies a specific failure mode, the unacceptable snubbers will be assigned to a failure mode group. Otherwise, additional snubbers will be selected from the defined test plan group (DTPG). Although ISTD-5322 recognizes there may be an isolated failure, this is considered to be a rare occurrence.

6. Service Life and Snubber Seal Replacement Program A snubber service life monitoring program in accordance with ISTD-6000 has been established for ANO-2 and is described in ANO Procedure OP-1306.039. This service life program includes all snubbers and meets the requirements of the ANO-2 TRM.
7. Use of Code Case OMN-13 The ANO-2 TRM also permits the application of Code Case OMN-13. OMN-13 allows an extension of the visual examination interval provided specified prerequisites are met. Code Case OMN-13 is approved by the NRC as referenced in Regulatory Guide 1.192.

Attachment to 2CAN110904 Page 3 of 20

8. ANO-2 Snubbers Subject to Examination and Test ANO-2 uses the 10% testing sample plan identified in the ASME OM Code, ISTD-5300. There are 345 snubbers included in the ISTD Plan. The snubbers are divided into the following DTPG test groups in accordance with ISTD-5250:

A. Pacific Scientific Small Mechanical (M1S) - 96 Snubbers B. Pacific Scientific Large Mechanical (M1L) - 59 Snubbers C. Anchor/Darling Small Mechanical (M2S) - 58 Snubbers D. Anchor/Darling Large Mechanical (M2L) - 31 Snubbers E. Lisega Small Hydraulic (H1) - 85 Snubbers F. Lisega Large Bore Hydraulic (H2) - 8 Snubbers (Reactor Coolant Pump Motors)

G. Paul - Munroe Large Bore Hydraulic (H3) - 8 Snubbers (Steam Generators)

Table 1 identifies the snubbers included in the program and subject to test and examination.

This scope satisfies the requirements of ISTA-1100. The table identifies each snubber by ANO exam number and piping support number (mark number); the snubber test group; manufacturer and model; classification regarding accessibility for examination during power operation; safety-related classification; and system classification.

Attachment to 2CAN110904 Page 4 of 20 TABLE 1 ANO-2 Snubbers Subject to Examination and Test Exam No Mark No Group Model Accessible Safety Related System 2001 2BCA-1-H2 H1 LIS 3062 No Safety-Related Pressurizer Surge Line 2002 2BCA-1-H1 H1 LIS 3068 No Safety-Related Pressurizer Surge Line 2003 2BCA-14-H1 M1S PSA 3 No Safety-Related Pressurizer Low Pressure Relief 2005 2BCA-14-H1 H1 LIS 3052 No Safety-Related Pressurizer Low Pressure Relief 2006 2BCA-14-H5 H1 LIS 3042 No Safety-Related Pressurizer Low Pressure Relief 2007 2BCA-14-H7 H1 LIS 3043 No Safety-Related Pressurizer ECCS Vent 2008 2BCA-14-H10 H1 LIS 3038 No Safety-Related Pressurizer ECCS Vent 2009 2BCA-14-H12 H1 LIS 3042 No Safety-Related Pressurizer Low Pressure Relief 2010 2BCA-14-H13 H1 LIS 3052 No Safety-Related Pressurizer Low Pressure Relief 2011 2BCA-14-H14 H1 LIS 3038 No Safety-Related Pressurizer Low Pressure Relief 2013 2BCA-16-H1 (A) H1 LIS 3038 No Safety-Related Pressurizer High Point Vent 2014 2BCA-16-H1 (B) H1 LIS 3038 No Safety-Related Pressurizer High Point Vent 2015 2BCA-16-H5 (A) M1S PSA 1 No Safety-Related Pressurizer High Point Vent 2016 2BCA-16-H5 (B) M1S PSA 1 No Safety-Related Pressurizer High Point Vent 2017 2BCA-16-H10 (A) M1S PSA 1 No Safety-Related Pressurizer High Point Vent 2018 2BCA-16-H10 (B) M1S PSA 1 No Safety-Related Pressurizer High Point Vent 2019 2BCA-16-H12 M2S AD 43 No Safety-Related Pressurizer High Point Vent 2021 2BCB-2-H12 M2S AD 71R No Safety-Related RCS Hot Leg Sample 2024 2CCA-13-H4 H1 LIS 3038 No Safety-Related Pressurizer Spray

Attachment to 2CAN110904 Page 5 of 20 Exam No Mark No Group Model Accessible Safety Related System 2025 2CCA-14-H2 H1 LIS 3018 No Safety-Related Pressurizer Spray 2028 2CCA-15-H9 H1 LIS 3018 No Safety-Related Pressurizer Spray 2031 2CCA-15-H24 H1 LIS 3042 No Safety-Related Pressurizer Spray 2032 2CCA-15-H26 H1 LIS 3018 No Safety-Related Pressurizer Spray 2033 2CCA-15-H27 H1 LIS 3018 No Safety-Related Pressurizer Spray 2034 2CCA-15-H29 H1 LIS 3042 No Safety-Related Pressurizer Spray 2035 2CCA-15-H10 H1 LIS 3018 No Safety-Related Pressurizer Spray 2037 2CCA-16-H1 H1 LIS 3018 No Safety-Related Pressurizer Auxiliary Spray 2038 2CCA-16-H4 H1 LIS 3018 No Safety-Related Pressurizer Auxiliary Spray 2039 2CCA-16-H1 H1 LIS 3018 No Safety-Related Pressurizer Auxiliary Spray 2042 2CCA-17-H15 (A) M1S PSA 1 No Safety-Related Reactor Vessel High Point Vent 2043 2CCA-17-H15 (B) M1S PSA 1 No Safety-Related Reactor Vessel High Point Vent 2044 2CCA-17-H22 (A) M1S PSA 1 No Safety-Related Reactor Vessel High Point Vent 2045 2CCA-17-H22 (B) M1S PSA 1 No Safety-Related Reactor Vessel High Point Vent 2046 2CCA-17-H24 (A) M1S PSA 1 No Safety-Related Reactor Vessel High Point Vent 2047 2CCA-17-H24 (B) M1S PSA 1 No Safety-Related Reactor Vessel High Point Vent 2048 2CCA-17-H25 (A) H1 LIS 3018 No Safety-Related Reactor Vessel High Point Vent 2049 2CCA-17-H25 (B) H1 LIS 3018 No Safety-Related Reactor Vessel High Point Vent 2050 2CCA-18-H2 H1 LIS 3018 No Safety-Related RCS Refueling Level Tap 2052 2CCA-21-H10 H1 LIS 3062 No Safety-Related Low Pressure Safety Injection 2053 2CCA-21-H12 H1 LIS 3062 No Safety-Related Low Pressure Safety Injection

Attachment to 2CAN110904 Page 6 of 20 Exam No Mark No Group Model Accessible Safety Related System 2054 2CCA-21-H16 (A) M1S PSA 10 No Safety-Related Low Pressure Safety Injection 2055 2CCA-21-H16 (B) M1S PSA 10 No Safety-Related Low Pressure Safety Injection 2056 2CCA-21-H18 (A) M2L AD 1601 No Safety-Related Low Pressure Safety Injection 2057 2CCA-21-H18 (B) M2L AD 1601 No Safety-Related Low Pressure Safety Injection 2058 2CCA-21-H19 (A) H1 LIS 3042 No Safety-Related Low Pressure Safety Injection 2059 2CCA-21-H19 (B) H1 LIS 3042 No Safety-Related Low Pressure Safety Injection 2060 2CCA-21-H15 H1 LIS 3052 No Safety-Related Low Pressure Safety Injection 2061 2CCA-21-H17 H1 LIS 3062 No Safety-Related Low Pressure Safety Injection 2062 2CCA-22-H13 M1S PSA 1 No Safety-Related Low Pressure Safety Injection 2063 2CCA-22-H14 H1 LIS 3062 No Safety-Related Low Pressure Safety Injection 2064 2CCA-22-H15 (A) H1 LIS 3052 No Safety-Related Low Pressure Safety Injection 2065 2CCA-22-H15 (B) H1 LIS 3052 No Safety-Related Low Pressure Safety Injection 2066 2CCA-22-H17 M1S PSA 3 No Safety-Related Low Pressure Safety Injection 2067 2CCA-22-H18 M1L PSA 35 No Safety-Related Low Pressure Safety Injection 2068 2CCA-22-H19 M1S PSA 10 No Safety-Related Low Pressure Safety Injection 2069 2CCA-22-H21 M2L AD 1603 No Safety-Related Low Pressure Safety Injection 2070 2CCA-22-H22 M1L PSA 35 No Safety-Related Low Pressure Safety Injection 2071 2CCA-23-H11 M1S PSA 10 No Safety-Related Low Pressure Safety Injection 2072 2CCA-23-H18 H1 LIS 3052 No Safety-Related Low Pressure Safety Injection 2073 2CCA-23-H21 H1 LIS 3042 No Safety-Related Low Pressure Safety Injection 2074 2CCA-23-H23 H1 LIS 3052 No Safety-Related Low Pressure Safety Injection

Attachment to 2CAN110904 Page 7 of 20 Exam No Mark No Group Model Accessible Safety Related System 2076 2CCA-23-H27 (A) H1 LIS 3052 No Safety-Related Low Pressure Safety Injection 2077 2CCA-23-H27 (B) H1 LIS 3052 No Safety-Related Low Pressure Safety Injection 2078 2CCA-23-H28 H1 LIS 3052 No Safety-Related Low Pressure Safety Injection 2080 2CCA-24-H17 H1 LIS 3052 No Safety-Related Low Pressure Safety Injection 2081 2CCA-24-H19 M1L PSA 35 No Safety-Related Low Pressure Safety Injection 2082 2CCA-24-H24 H1 LIS 3052 No Safety-Related Low Pressure Safety Injection 2083 2CCA-24-H27 H1 LIS 3052 No Safety-Related Low Pressure Safety Injection 2084 2CCA-25-H1 M1L PSA 35 No Safety-Related Shutdown Cooling 2085 2CCA-25-H4 M1L PSA 35 No Safety-Related Shutdown Cooling 2086 2CCA-25-H5 M1L PSA 35 No Safety-Related Shutdown Cooling 2087 2CCA-25-H6 M1S PSA 10 No Safety-Related Shutdown Cooling 2088 2CCA-25-H10 H1 LIS 3038 No Safety-Related Shutdown Cooling 2089 2CCA-25-H13 M1S PSA 1 No Safety-Related Shutdown Cooling 2090 2CCA-25-H14 H1 LIS 3038 No Safety-Related Shutdown Cooling 2091 2CCA-26-H2 H1 LIS 3018 No Safety-Related Charging 2092 2CCA-32-H2 H1 LIS 3018 No Safety-Related RCS Drain 2093 2CCA-38-H1 H1 LIS 3018 No Safety-Related Pressurizer Spray Line Drain 2094 2CCA-38-H1 H1 LIS 3018 No Safety-Related Pressurizer Spray Line Drain 2097 2CCB-2-H2 M2S AD 71R Yes Safety-Related Reactor Coolant System Letdown 2098 2CCB-2-H5 M2S AD 71R Yes Safety-Related Reactor Coolant System Letdown 2100 2CCB-8-H8 M2S AD 71R Yes Safety-Related Reactor Coolant System Charging

Attachment to 2CAN110904 Page 8 of 20 Exam No Mark No Group Model Accessible Safety Related System 2101 2CCB-8-H11 M2S AD 71R Yes Safety-Related Reactor Coolant System Charging 2102 2CCB-8-H18 M2S AD 71R Yes Safety-Related Reactor Coolant System Charging 2103 2CCB-54-H2 M2S AD 71R No Safety-Related RCS Hot Leg Sample 2104 2CCB-54-H1 M2S AD 71R No Safety-Related RCS Hot Leg Sample 2108 2CCB-76-H2 (A) M2S AD 151 No Safety-Related Pressurizer High Point Vent 2109 2CCB-76-H2 (B) M2S AD 151 No Safety-Related Pressurizer High Point Vent 2110 2CCB-76-H10 (A) M1S PSA 1 No Safety-Related Pressurizer High Point Vent 2111 2CCB-76-H10 (B) M1S PSA 1 No Safety-Related Pressurizer High Point Vent 2112 2CCB-76-H11 (A) M2S AD 71R No Safety-Related Pressurizer High Point Vent 2113 2CCB-76-H11 (B) M2S AD 71R No Safety-Related Pressurizer High Point Vent 2114 2CCB-76-H12 M2S AD 41 No Safety-Related Pressurizer High Point Vent 2115 2CCB-76-H14 M2S AD 41 No Safety-Related Pressurizer High Point Vent 2116 2CCB-76-H17 (A) M1S PSA 1 No Safety-Related Pressurizer High Point Vent 2117 2CCB-76-H17 (B) M1S PSA 1 No Safety-Related Pressurizer High Point Vent 2118 2DBB-1-H2 (A) M1L PSA 35 No Safety-Related Main Feedwater 2119 2DBB-1-H2 (B) M1L PSA 35 No Safety-Related Main Feedwater 2120 2DBB-1-H1 M1L PSA 35 No Safety-Related Main Feedwater 2121 2DBB-1-H4 (A) M1L PSA 35 No Safety-Related Main Feedwater 2122 2DBB-1-H4 (B) M1L PSA 35 No Safety-Related Main Feedwater 2123 2DBB-1-H6 M1L PSA 35 No Safety-Related Main Feedwater 2124 2DBB-1-H8 M1L PSA 35 No Safety-Related Main Feedwater

Attachment to 2CAN110904 Page 9 of 20 Exam No Mark No Group Model Accessible Safety Related System 2125 2DBB-1-H9 M1L PSA 100 No Safety-Related Main Feedwater 2126 2DBB-1-H10 M2L AD 12501 No Safety-Related Main Feedwater 2127 2DBB-1-H12 M2L AD 12500 No Safety-Related Main Feedwater 2128 2DBB-1-H13 M1L PSA 100 No Safety-Related Main Feedwater 2129 2DBB-1-H14 M1L PSA 35 No Safety-Related Main Feedwater 2130 2DBB-1-H17 M1L PSA 35 No Safety-Related Main Feedwater 2131 2DBB-2-H2 (A) M2L AD 1601 No Safety-Related Main Feedwater 2132 2DBB-2-H2 (B) M2L AD 1601 No Safety-Related Main Feedwater 2133 2DBB-2-H8 M1S PSA 10 No Safety-Related Main Feedwater 2134 2DBB-2-H11 M1L PSA 35 No Safety-Related Main Feedwater 2135 2DBB-2-H13 M1L PSA 35 No Safety-Related Main Feedwater 2136 2DBB-2-H15 M1L PSA 35 No Safety-Related Main Feedwater 2137 2DBB-2-H16 M1L PSA 35 No Safety-Related Main Feedwater 2138 2DBB-2-H17 (A) M1L PSA 35 No Safety-Related Main Feedwater 2139 2DBB-2-H17 (B) M1L PSA 35 No Safety-Related Main Feedwater 2140 2DBB-2-H19 M1S PSA 10 No Safety-Related Main Feedwater 2141 2DBB-3-H1 M1S PSA 1 No Safety-Related Emergency Feedwater 2142 2DBB-3-H2 M1S PSA 1 No Safety-Related Emergency Feedwater 2143 2DBB-3-H5 M1S PSA 3 No Safety-Related Emergency Feedwater 2144 2DBB-3-H13 M1S PSA 1 No Safety-Related Emergency Feedwater 2145 2DBB-3-H15 M1S PSA 3 No Safety-Related Emergency Feedwater

Attachment to 2CAN110904 Page 10 of 20 Exam No Mark No Group Model Accessible Safety Related System 2146 2DBB-3-H16 M1S PSA 1 No Safety-Related Emergency Feedwater 2147 2DBB-3-H17 M1S PSA 1 No Safety-Related Emergency Feedwater 2148 2DBB-4-H1 M1S PSA 3 No Safety-Related Emergency Feedwater 2153 2DBB-7-H5 M1S PSA 1 No Safety-Related Steam Generator Blowdown 2158 2DBD-1-H11 M1L PSA 35 Yes Safety Significant Main Feedwater 2159 2DBD-1-H17 (A) M1L PSA 35 Yes Safety Significant Main Feedwater 2160 2DBD-1-H17 (B) M1L PSA 35 Yes Safety Significant Main Feedwater 2161 2DBD-2-H11 M2L AD 5501 Yes Safety Significant Main Feedwater 2162 2DBD-2-H12 M2L AD 12501 Yes Safety Significant Main Feedwater 2163 2DBD-2-H13 M1L PSA 35 Yes Safety-Related Main Feedwater 2166 2EBB-1A-H4 M1L PSA 35 No Safety-Related Main Steam 2167 2EBB-1A-H5 M2L AD 12503 No Safety-Related Main Steam 2170 2EBB-1A-H7 M2L AD 12501 No Safety-Related Main Steam 2171 2EBB-1-H4 M2L AD 12503 Yes Safety-Related Main Steam 2172 2EBB-2A-H4 M1L PSA 35 No Safety-Related Main Steam 2173 2EBB-2A-H5 M2L AD 12500 No Safety-Related Main Steam 2176 2EBB-2A-H7 M2L AD 12500 No Safety-Related Main Steam 2177 2EBB-2-H4 M2L AD 12503 Yes Safety-Related Main Steam 2178 2EBB-2-H5 (A) M1L PSA 35 Yes Safety-Related Main Steam 2179 2EBB-2-H5 (B) M1L PSA 35 Yes Safety-Related Main Steam 2180 2EBB-2-H6 (A) M1L PSA 35 Yes Safety-Related Main Steam

Attachment to 2CAN110904 Page 11 of 20 Exam No Mark No Group Model Accessible Safety Related System 2181 2EBB-2-H6 (B) M1L PSA 35 Yes Safety-Related Main Steam 2183 2EBB-8-H2 M2L AD 1601 Yes Safety-Related Main Steam 2184 2EBB-16-H1 M1S PSA 1 Yes Safety-Related Main Steam 2185 2EBB-16-H5 M2S AD 71R Yes Safety-Related Main Steam 2186 2EBB-16-H6 M2S AD 71R Yes Safety-Related Main Steam 2187 2EBB-16-H7 M2S AD 71R Yes Safety-Related Main Steam 2188 2EBB-16-H8 M1S PSA 1 Yes Safety-Related Main Steam 2189 2EBB-17-1-H002 M2S AD 71R Yes Safety-Related Main Steam 2190 2EBB-17-1-H003 M2S AD 71R Yes Safety-Related Main Steam 2191 2EBB-17-1-H004 M2S AD 71R Yes Safety-Related Main Steam 2192 2EBB-17-1-H005 M1S PSA 1 Yes Safety-Related Main Steam 2193 2EBB-17-1-H006 M2S AD 71R Yes Safety-Related Main Steam 2199 2EBC-1-H9 (A) M2S AD 71R Yes Safety-Related Main Steam 2200 2EBC-1-H9 (B) M2S AD 71R Yes Safety-Related Main Steam 2201 2EBC-1-H26 M2S AD 71R Yes Safety-Related Main Steam 2202 2EBC-1-H29 M1S PSA 1 Yes Safety-Related Main Steam 2203 2EBC-1-H10 M2S AD 151 Yes Safety-Related Main Steam 2205 2EBC-2-H4 M1S PSA 1 Yes Safety-Related Main Steam 2207 2EBD-1-H1 (A) M1L PSA 100 Yes Safety Significant Main Steam 2208 2EBD-1-H1 (B) M1L PSA 100 Yes Safety Significant Main Steam 2209 2EBD-1-H2 (A) M1L PSA 100 Yes Safety Significant Main Steam

Attachment to 2CAN110904 Page 12 of 20 Exam No Mark No Group Model Accessible Safety Related System 2210 2EBD-1-H2 (B) M1L PSA 100 Yes Safety Significant Main Steam 2211 2EBD-1-H11 (A) M2L AD 12501 Yes Safety Significant Main Steam 2212 2EBD-1-H11 (B) M2L AD 12501 Yes Safety Significant Main Steam 2213 2EBD-1-H12 M1L PSA 100 Yes Safety Significant Main Steam 2214 2EBD-1-H13 (A) M1L PSA 100 Yes Safety Significant Main Steam 2215 2EBD-1-H13 (B) M1L PSA 100 Yes Safety Significant Main Steam 2216 2EBD-1-H14 M1L PSA 100 Yes Safety Significant Main Steam 2217 2EBD-1-H15 M2L AD 12501 Yes Safety Significant Main Steam 2218 2EBD-1-H16 M2L AD 12501 Yes Safety Significant Main Steam 2219 2EBD-2-H1 (A) M2L AD 5501 Yes Safety Significant Main Steam 2220 2EBD-2-H1 (B) M2L AD 5501 Yes Safety Significant Main Steam 2223 2EBD-2-H11 M1L PSA 100 Yes Safety Significant Main Steam 2224 2EBD-2-H12 M1L PSA 35 Yes Safety Significant Main Steam 2225 2EBD-2-H13 M1L PSA 35 Yes Safety Significant Main Steam 2226 2EBD-2-H14 M1L PSA 35 Yes Safety Significant Main Steam 2227 2EBD-2-H15 (A) M1L PSA 35 Yes Safety Significant Main Steam 2228 2EBD-2-H15 (B) M1L PSA 35 Yes Safety Significant Main Steam 2229 2EBD-2-H16 M1L PSA 35 Yes Safety Significant Main Steam 2232 2EBD-56-2-H001 M2S AD 71R Yes Safety Significant Main Steam 2233 2EBD-56-2-H002 M2S AD 43 Yes Safety Significant Main Steam 2234 2EBD-56-2-H003 M2S AD 71R Yes Safety Significant Main Steam

Attachment to 2CAN110904 Page 13 of 20 Exam No Mark No Group Model Accessible Safety Related System 2235 2EBD-56-2-H004 M2S AD 71R Yes Safety Significant Main Steam 2236 2EBD-56-3-H002 M2S AD 71R Yes Safety Significant Main Steam 2237 2EBD-56-3-H003 M2S AD 71R Yes Safety Significant Main Steam 2238 2EBD-80-H001 M2S AD 71R Yes Safety Significant Main Steam Drain 2239 2FCC-1-H8 M2L AD 1603 No Safety-Related Pressurizer Relief Valve Discharge 2240 2FCC-1-H9 M1S PSA 10 No Safety-Related Pressurizer Relief Valve Discharge 2241 2FCC-1-H10 M1S PSA 10 No Safety-Related Pressurizer Relief Valve Discharge 2242 2FCC-1-H11 M1S PSA 10 No Safety-Related Pressurizer Relief Valve Discharge 2243 2FCC-1-H12 M1S PSA 10 No Safety-Related Pressurizer Relief Valve Discharge 2244 2FCC-1-H22 (A) M2S AD 501 No Safety-Related Pressurizer Relief Valve Discharge 2245 2FCC-1-H22 (B) M2S AD 501 No Safety-Related Pressurizer Relief Valve Discharge 2246 2FCC-1-H23 M1S PSA 3 No Safety-Related Pressurizer Relief Valve Discharge 2249 2FCC-2-H5 M1S PSA 10 No Safety-Related Pressurizer Relief Valve Discharge 2250 2FCC-2-H6 M1S PSA 10 No Safety-Related Pressurizer Relief Valve Discharge 2251 2FCC-2-H8 M1S PSA 3 No Safety-Related Pressurizer Relief Valve Discharge 2252 2FCC-2-H9 M1S PSA 3 No Safety-Related Pressurizer Relief Valve Discharge 2253 2FCC-2-H12 M1S PSA 3 No Safety-Related Pressurizer Relief Valve Discharge 2254 2FCC-2-H13 M1S PSA 1 No Safety-Related Pressurizer Relief Valve Discharge 2255 2FCC-2-H16 M1S PSA 1 No Safety-Related Pressurizer Relief Valve Discharge 2256 2GBD-75-H1 M1S PSA 10 Yes Safety Significant Atmospheric Dump Valve Discharge 2257 2GBD-76-H1 M1S PSA 10 Yes Safety Significant Atmospheric Dump Valve Discharge

Attachment to 2CAN110904 Page 14 of 20 Exam No Mark No Group Model Accessible Safety Related System 2258 2GBD-76-H5 M1S PSA 3 Yes Safety Significant Atmospheric Dump Valve Discharge 2259 2GCB-2-H1 M2L AD 1603 Yes Safety-Related Low Pressure Safety Injection 2260 2GCB-3-H22 M1S PSA 3 Yes Safety-Related Low Pressure Safety Injection 2261 2GCB-3-H24 M1S PSA 3 Yes Safety-Related Low Pressure Safety Injection 2262 2GCB-5-H21 M1L PSA 35 No Safety-Related Shutdown Cooling 2263 2GCB-5-H23 (A) M1S PSA 10 Yes Safety-Related Shutdown Cooling 2264 2GCB-5-H23 (B) M1S PSA 10 Yes Safety-Related Shutdown Cooling 2265 2GCB-5-H26 M1S PSA 3 Yes Safety-Related Shutdown Cooling 2266 2GCB-5-H28 M1S PSA 3 Yes Safety-Related Shutdown Cooling 2267 2GCB-5-H11 (A) M1S PSA 3 Yes Safety-Related Shutdown Cooling 2268 2GCB-5-H11 (B) M1S PSA 3 Yes Safety-Related Shutdown Cooling 2269 2GCB-9-H24 M1S PSA 1 Yes Safety-Related High Pressure Safety Injection 2270 2GCB-10-H5 M1S PSA 3 Yes Safety-Related Containment Spray 2271 2GCB-11-H5 M1S PSA 3 Yes Safety-Related Containment Spray 2272 2GCB-513-H2 M2S AD 501 No Safety-Related Pressurizer Low Pressure Relief 2273 2GCB-514-H2 M2S AD 501 No Safety-Related Pressurizer Low Pressure Relief 2274 2GCB-514-H1 M1S PSA 3 No Safety-Related Pressurizer Low Pressure Relief 2275 2HCC-296-H20 M2S AD 71R Yes Safety-Related Service Water 2277 2HBC-103-H17 M2L AD 1601 No Safety-Related Service Water 2278 2HBC-103-H18 M1S PSA 10 No Safety-Related Service Water

Attachment to 2CAN110904 Page 15 of 20 Exam No Mark No Group Model Accessible Safety Related System 2279 2HBC-103-H20 M1L PSA 35 No Safety-Related Service Water 2280 2HBC-103-H22 M1S PSA 3 No Safety-Related Service Water 2281 2HBC-104-H16 M1S PSA 10 No Safety-Related Service Water 2282 2HBC-104-H18 M1S PSA 10 No Safety-Related Service Water 2283 2HBC-105-H4 M1S PSA 10 No Safety-Related Service Water 2284 2HBC-105-H14(A) M1S PSA 3 No Safety-Related Service Water 2285 2HBC-105-H14(B) M1S PSA 3 No Safety-Related Service Water 2286 2HBC-105-H16 M2L AD 1601 No Safety-Related Service Water 2287 2HBC-105-H17 M2L AD 1601 No Safety-Related Service Water 2288 2HBC-105-H18 M1L PSA 35 No Safety-Related Service Water 2289 2HBC-105-H27 M1S PSA 10 No Safety-Related Service Water 2292 2HCB-3-H170 M2S AD 71R No Safety-Related Containment Spray 2293 2HCB-3-H177 M1S PSA 1 No Safety-Related Containment Spray 2294 2HCB-4-H176 M2S AD 71R No Safety-Related Containment Spray 2295 2HCB-4-H179 M1S PSA 1 No Safety-Related Containment Spray 2296 2HCB-4-H188 (A) M2S AD 151 No Safety-Related Containment Spray 2297 2HCB-4-H188 (B) M2S AD 151 No Safety-Related Containment Spray 2298 2HCB-4-H189 M2S AD 73 No Safety-Related Containment Spray 2299 2HCB-4-H190 M1S PSA 3 No Safety-Related Containment Spray 2300 2HCB-4-H194 M2S AD 153 No Safety-Related Containment Spray 2301 2HCB-13-H14 (A) M2S AD 503 Yes Safety-Related Containment Spray

Attachment to 2CAN110904 Page 16 of 20 Exam No Mark No Group Model Accessible Safety Related System 2302 2HCB-13-H14 (B) M2S AD 503 Yes Safety-Related Containment Spray 2303 2HCB-15-H15 (A) M1S PSA 3 Yes Safety-Related Containment Spray 2304 2HCB-15-H15 (B) M1S PSA 3 Yes Safety-Related Containment Spray 2305 2HCB-27-H7 (A) M1S PSA 10 Yes Safety-Related Containment Spray 2306 2HCB-27-H7 (B) M1S PSA 10 Yes Safety-Related Containment Spray 2307 2HCC-53-H9 M1S PSA 10 Yes Safety-Related Fuel Pool Cooling 2308 2HCC-53-H10 M2L AD 1601 Yes Safety-Related Fuel Pool Cooling 2309 2HCC-53-H14 M1S PSA 3 Yes Safety-Related Fuel Pool Cooling 2310 2HCC-53-H15 M1S PSA 3 Yes Safety-Related Fuel Pool Cooling 2311 2HCC-77-H6 M2S AD 71R No Safety-Related Pressurizer Spray Line Drain 2312 2HCC-77-H7 M2S AD 71R No Safety-Related Pressurizer Spray Line Drain 2313 2JBD-201-H8 (A) M1S PSA 3 Yes Safety Significant Emergency Diesel Generator 2314 2JBD-201-H8 (B) M1S PSA 3 Yes Safety Significant Emergency Diesel Generator 2315 2JBD-201-H9 M1S PSA 3 Yes Safety Significant Emergency Diesel Generator 2316 2JBD-201-H11(A) M1S PSA 3 Yes Safety Significant Emergency Diesel Generator 2317 2JBD-201-H11(B) M1S PSA 3 Yes Safety Significant Emergency Diesel Generator 2318 2JBD-202-H8 (A) M1S PSA 3 Yes Safety Significant Emergency Diesel Generator 2319 2JBD-202-H8 (B) M1S PSA 3 Yes Safety Significant Emergency Diesel Generator 2320 2JBD-202-H9 M1S PSA 3 Yes Safety Significant Emergency Diesel Generator 2321 2JBD-202-H11(A) M1S PSA 3 Yes Safety Significant Emergency Diesel Generator 2322 2JBD-202-H11(B) M1S PSA 3 Yes Safety Significant Emergency Diesel Generator

Attachment to 2CAN110904 Page 17 of 20 Exam No Mark No Group Model Accessible Safety Related System 2323 2MS-H1 M2L AD 12501 Yes Safety Significant Main Steam 2324 2MS-H2 M2L AD 12501 Yes Safety Significant Main Steam 2325 2MS-H1 M2L AD 12501 Yes Safety Significant Main Steam 2327 2VTS-1-H1 H1 LIS 3062 Yes Safety Significant Main Steam 2328 2VTS-1-H2 M1L PSA 35 Yes Safety Significant Main Steam 2329 2VTS-1-H1 H1 LIS 3062 Yes Safety Significant Main Steam 2330 2VTS-1-H4 M1L PSA 35 Yes Safety Significant Main Steam 2331 2VTS-2-H1 H1 LIS 3068 Yes Safety Significant Main Steam 2332 2VTS-2-H2 M1L PSA 35 Yes Safety Significant Main Steam 2333 2VTS-2-H1 H1 LIS 3068 Yes Safety Significant Main Steam 2334 2VTS-2-H4 M1L PSA 35 Yes Safety Significant Main Steam 2335 2VTS-3-H1 H1 LIS 3062 Yes Safety Significant Main Steam 2336 2VTS-3-H2 M1L PSA 35 Yes Safety Significant Main Steam 2337 2VTS-3-H1 H1 LIS 3062 Yes Safety Significant Main Steam 2338 2VTS-3-H4 M1L PSA 35 Yes Safety Significant Main Steam 2339 2VTS-4-H1 H1 LIS 3068 Yes Safety Significant Main Steam 2340 2VTS-4-H2 M1L PSA 35 Yes Safety Significant Main Steam 2341 2VTS-4-H1 H1 LIS 3062 Yes Safety Significant Main Steam 2342 2VTS-4-H4 M1L PSA 35 Yes Safety Significant Main Steam 2344 2GBD-75-H2 M1S PSA 3 Yes Safety Significant Atmospheric Dump Valve Discharge 2347 2EBB-3-H7 M2S AD 71R No Safety-Related Nitrogen

Attachment to 2CAN110904 Page 18 of 20 Exam No Mark No Group Model Accessible Safety Related System 2356 2EBB-4-H7 M2S AD 71R No Safety-Related Nitrogen 2363 2CCB-69-H5 M2S AD 71R No Safety-Related RV Head Gasket Tell-Tale Drain 2364 2CCB-69-H20 M2S AD 71R No Safety-Related RV Head Gasket Tell-Tale Drain 2365 2HCC-6-H4 M2S AD 71R No Safety-Related RV Head Gasket Tell-Tale Drain 2374 2FCB-22-H009 M2S AD 71R Yes Safety-Related Reactor Coolant System Letdown 2375 2-HS-RCPAE H2 LIS 319856 No Safety-Related Reactor Coolant Pump Motor 2376 2-HS-RCPAW H2 LIS 319856 No Safety-Related Reactor Coolant Pump Motor 2377 2-HS-RCPBE H2 LIS 319856 No Safety-Related Reactor Coolant Pump Motor 2378 2-HS-RCPBW H2 LIS 319856 No Safety-Related Reactor Coolant Pump Motor 2379 2-HS-RCPCE H2 LIS 319856 No Safety-Related Reactor Coolant Pump Motor 2380 2-HS-RCPCW H2 LIS 319856 No Safety-Related Reactor Coolant Pump Motor 2381 2-HS-RCPDE H2 LIS 319856 No Safety-Related Reactor Coolant Pump Motor 2382 2-HS-RCPDW H2 LIS 319856 No Safety-Related Reactor Coolant Pump Motor 2383 2-HS-SGA-E1 H3 P-M 8x9.63 No Safety-Related Steam Generator 2384 2-HS-SGA-E2 H3 P-M 8x9.63 No Safety-Related Steam Generator 2385 2-HS-SGA-W1 H3 P-M 8x9.63 No Safety-Related Steam Generator 2386 2-HS-SGA-W2 H3 P-M 8x9.63 No Safety-Related Steam Generator 2387 2-HS-SGB-E1 H3 P-M 8x9.63 No Safety-Related Steam Generator 2388 2-HS-SGB-E2 H3 P-M 8x9.63 No Safety-Related Steam Generator 2389 2-HS-SGB-W1 H3 P-M 8x9.63 No Safety-Related Steam Generator 2390 2-HS-SGB-W2 H3 P-M 8x9.63 No Safety-Related Steam Generator

Attachment to 2CAN110904 Page 19 of 20 Exam No Mark No Group Model Accessible Safety Related System 2391 2CCB-48-H12 M2S AD 71R No Safety-Related RCP Controlled Bleed-Off 2392 2CCB-49-H1 M2S AD 71R No Safety-Related RCP Controlled Bleed-Off 2393 2HCC-84-H1 M1S PSA 1 No Safety-Related Pressurizer Spray Line Drain 2402 2CCA-15-H11 H1 LIS 3018 No Safety-Related Pressurizer Spray 2403 2CCA-15-H14 H1 LIS 3018 No Safety-Related Pressurizer Spray 2404 2CCA-15-H16 H1 LIS 3038 No Safety-Related Pressurizer Spray 2405 2CCA-15-H19 H1 LIS 3018 No Safety-Related Pressurizer Spray 2406 2CCA-15-H41 H1 LIS 3038 No Safety-Related Pressurizer Spray 2407 2CCA-15-H44 (A) H1 LIS 3018 No Safety-Related Pressurizer Spray 2408 2CCA-15-H44 (B) H1 LIS 3018 No Safety-Related Pressurizer Spray 2409 2CCA-15-H45 H1 LIS 3018 No Safety-Related Pressurizer Spray 2410 2CCA-15-H48 (A) H1 LIS 3018 No Safety-Related Pressurizer Spray 2411 2CCA-15-H48 (B) H1 LIS 3018 No Safety-Related Pressurizer Spray 2412 2CCA-15-H50 H1 LIS 3038 No Safety-Related Pressurizer Spray 2413 2CCA-15-H53 H1 LIS 3018 No Safety-Related Pressurizer Spray 2414 2CCA-15-H56 H1 LIS 3038 No Safety-Related Pressurizer Spray 2415 2CCA-15-H60 H1 LIS 3018 No Safety-Related Pressurizer Spray 2416 2CCA-16-H21 H1 LIS 3018 No Safety-Related Pressurizer Auxiliary Spray 2417 2CCA-16-H12 H1 LIS 3018 No Safety-Related Pressurizer Auxiliary Spray 2418 2CCA-16-H16 H1 LIS 3018 No Safety-Related Pressurizer Auxiliary Spray 2419 2CCA-47-H1 H1 LIS 3018 No Safety-Related Pressurizer Spray Line Drain

Attachment to 2CAN110904 Page 20 of 20 Exam No Mark No Group Model Accessible Safety Related System 2420 2FCC-1-H26 H1 LIS 3042 No Safety-Related Pressurizer Relief Valve Discharge 2421 2FCC-1-H27 H1 LIS 3052 No Safety-Related Pressurizer Relief Valve Discharge 2422 2FCC-1-H28(A) H1 LIS 3038 No Safety-Related Pressurizer Relief Valve Discharge 2423 2FCC-1-H28(B) H1 LIS 3038 No Safety-Related Pressurizer Relief Valve Discharge 2424 2FCC-1-H4 H1 LIS 3052 No Safety-Related Pressurizer Relief Valve Discharge 2425 2BCA-14-H17 H1 LIS 3042 No Safety-Related Pressurizer Low Pressure Relief 2426 2JBD-201-H4 M2S AD 503 Yes Safety Significant Emergency Diesel Generator 2427 2JBD-202-H4 M2S AD 503 Yes Safety Significant Emergency Diesel Generator 2428 2EBC-1-H15 H1 LIS 3018 Yes Safety-Related Main Steam to EFW Turbine 2429 2EBC-1-H40 H1 LIS 3018 Yes Safety-Related Main Steam to EFW Turbine 2432 2EBD-22-H10 H1 LIS 3052 Yes Safety Significant Main Steam 2433 2EBD-81-H009 H1 LIS 3018 Yes Safety Significant Main Steam Drain

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