inservice inspection and testing. plan · 2012-12-05 · second -ten-year inservice inspection and...

SECOND -TEN-YEAR INSERVICE

INSPECTION AND TESTING. PLAN

IOWA ELECTRIC LIGHT AND POWER COMPANY

DUANE ARNOLD ENERGY CENTER

DOCKET 50-331/LICENSE NO. DPR-49

COMMERCIAL OPERATION

FEBRUARY 1, 1975

REGULATORY OCKET FILE COPY

8505080148 850501 PDR ADOCK 05000331 G PDR

REVISION CONTROL SHEET

DAEC ISI/IST PLAN

Revision No: 0

Revision Date: 05-01-85

REVISION SECTION NUMBER PAGE DATE COMMENTS

REVISION SHEET

TABLE OF CONTENTS

INTRODUCTION

1.0 CODE CLASS 1 COMPONENTS



4.0 SUBSECTION IWF

5.0 PUMPS AND VALVES

6.0 PRESSURE TEST PROGRAM

7.0 REPAIR PROGRAM

8.0 REPLACEMENT PROGRAM

9.0 RECORDS & REPORTS

10.0 REQUESTS FOR RELIEF

11.0 CODE CLASSIFICATION DRAWINGS

0

0

0

0

i

ii

iii

1-8

9-13

14-15

16-17

18

18

19

19

19

20-35

36

MAY

MAY

MAY

MAY

1,

1,

1,

1,

1985

1985

1985

1985

MAY 1, 1985

MAY 1, 1985

MAY 1,

MAY 1,

MAY

MAY

MAY

MAY

MAY

1,

1,

1,

1,

1,

1985

1985

1985

1985

1985

1985

1985

MAY 1, 1985

+ 4 4 -~

( i)

TABLE OF CONTENTS

REVISION RECORD . . ..........

TABLE OF CONTENTS . .. .........

INTRODUCTION. .............

SECTION 1.0

SECTION 2.0

SECTION 3.0

SECTION 4.0

SECTION 5.0

SECTION 6.0

SECTION 7.0

SECTION 8.0

SECTION 9.0

SECTION 10.0

- CODE CLASS 1 COMPONENTS



- SUBSECTION IWF . . . . .

- PUMPS AND VALVES . .

- PRESSURE TEST PROGRAM.

- REPAIR PROGRAM . . . . .

- REPLACEMENT PROGRAM. .

- RECORDS AND REPORTS. .

- REQUESTS FOR RELIEF. .

. ... . . . . . . 1

. ... . . . . . . 1

. . . . . . . . (1-8)

. . . . . . . (9-13)

. . . (14-15)

. . . (16-17)

. . . 18)

(. . 18)

. . . . . . . . 19)

(. . 19)

. . . . . . 19)

..

(20-35)

SECTION 11.0 - CODE CLASSIFICATION DRAWINGS . ..... ..

. . (36)

(i i)

IOWA ELECTRIC LIGHT AND POWER COMPANY

DUANE ARNOLD ENERGY CENTER - INSERVICE INSPECTION PLAN

INTRODUCTION

This submittal describes the bases and plans for the Second Ten-Year Inservice Inspection and Testing Plan for the Duane Arnold Energy Center (DAEC). This Plan addresses the requirements of the ASME Boiler and Pressure Vessel (B&PV) Code, Section XI, 1980 Edition with Addendum through Winter 1981, (subject to limitations and modifications as stated in 1OCFR5O.55a(b)(2)).

The First Ten-Year Inservice Inspection and Testing Plan is scheduled for completion on October 31, 1985. This Plan was transmitted to the Nuclear Regulatory Commission (NRC) October 13, 1978. The NRC response, dated July 5, 1979, accepted the Plan (subject to certain minor modifications to the Requests for Relief from examination requirements). The modifications requested by the NRC did not affect the Plan acceptance and as such the First Ten-Year Plan is being completed in accordance with that submittal. The inspection report will be submitted under separate cover and is not part of this submittal.

The DAEC construction permit was issued on June 22, 1970 and commercial operation commenced on February 1, 1975. The extended First Ten-Year Interval is a result of a continuous refueling and repair outage that lasted from June 17, 1978 through March 10, 1979. The extended interval is consistent with the ASME B&PV Code Section XI, Paragraph IWA-2400(c) and Iowa Electric letters dated December 13, 1983 (NG-83-4036) and dated Janaury 24, 1984 (NG-84-0213).

The DAEC Second Ten-Year Inservice Inspection and Testing Interval will be divided into three essentially equal inspection periods.

Period 1: November 1, 1985 - March 1, 1989 (40 Months) Period 2: March 1, 1989 - July 1, 1992 (40 Months) Period 3: July 1, 1992 - November 1, 1995 (40 Months)

The DAEC has based the Second Ten-Year Interval schedule and frequency requirements on the ASME B&PV Code, Section XI, Paragraph IWA-2420, Program B, Table IWB-2412-1 for Code Class 1, Table IWC-2412-1 for Code Class 2, and Table IWD-2500-1 for Code Class 3. The Plan meets or exceeds the specified percentage completion requirements for all Code Classes and inspection periods.

Examination restrictions or limitations are identified as Requests for Relief in the appropriate Code Class summary of planned inservice inspection examinations. A more detailed description of each Request for Relief is contained in Section 10.0. Examination restrictions or limitations discovered subsequent to this submittal will be identified and submitted pursuant to 10CFR50.55a(g)(5)(iii) and (iv).

Optional examination requirements for piping pressure boundary welds, in extent and frequency, are consistent with 10CFR50.55a(b)(2)(ii) and 10CFR50.55a(b)(2)(iv)(B).

Components not within the scope of Boiling Water Reactors (BWR's) as defined by ASME Section XI are not identified by Category or Code item nor are they included within this submittal.

(iii)

SECTION 1.0: CODE CLASS 1 COMPONENTS

Class 1 components shall be examined and tested as specified in Section XI of the ASME Boiler and Pressure Vessel Code, 1980 Edition through Winter 1981 Addenda and as defined in the "Introduction" of this document.

Details addressing component examinations as specified in "Table IWB-2500-1 Examination Categories" of the above referenced Code, are listed in the attached tables titled "Code Class 1 - Summary of Planned Inservice Inspection Examinations".

Components exempted from volumetric and surface examination requirements of IWB-2500 are as follows:

1. Components and their connections < 1" nominal pipe size containing water and < 2" nominal pipe size containing steam - This exemption is as allowed by IWB1220(a)andbased on a 400 gpm makeup capacity.

2. Reactor vessel drain lines and associated components < 2" as allowed by IWB1220(c).

-1-

TABLE 1.1-CODE CLASS I - SUMMARY OF PLANNED INSERVICE INSPECTION EXAMINATIONS

EXAMINATION EXTENT AND EXAMINATION CATEGORY ITEM COMPONENT OR SYSTEM METHOD FREQUENCY PERIOD REMARKS

B-A

B-D

REACTOR VESSEL

PRESSURE RETAINING WELDS

IN REACTOR VESSEL

SHELL WELDS

-CIRCUMFERENTIAL

-LONGITUDINAL

HEAD WELDS

BOTTOM HEAD

-CIRCUMFERENTIAL

-MERIDIONAL

CLOSURE HEAD

-CIRCUMFERENTIAL

-MERIDIONAL

SHELL-TO-FLANGE WELD

HEAD-TO-FLANGE WELD

REPAIR WELDS

BELTLINE REGION

FULL PENETRATION WELDS OF

NOZZLES IN VESSEL

NOZZLE-TO-VESSEL WELDS

NOZZLE INSIDE RADIUS SECTION

81, 10

Bi 1 1 1

B1. 12

B1 .20

B 1.21

B1 .22

81.21

B 1 .22

81.30

81.40

81 .50

81.51

83.90

B3.100

VOL

VOL

VOL

100% DURING INTERVAL


VOL

VOL

VOL

VOL

100%

100%

DURING INTERVAL

DURING INTERVAL

(*)

(*)

(*)

(*)

(*)

(*)

ANY

ANY

ANY

ANY

ALL

ALL

ALL

ALL

ALL

ALL

RELIEF REQUEST NO. NDE-001.

ONE WELD AT STRUCTURAL

DISCONTINUITY.




NOT APPLICABLE

(H) RUNNING PERCENTAGE MAY VARY BUT WITHIN

THE LIMITS ALLOWED BY TABLE IWB-2412-1.

100%

100%

100%

100%

100%

100%

NONE

VOL

VOL

VOL

SUR AND

* * 0 TABLE 1.1-CODE CLASS 1 - SUMMARY OF PLANNED INSERVICE INSPECTION EXAMINATIONS

SEXAMINATION EXTENT AND EXAMINATION CATEGORY ITEM COMPONENT OR SYSTEM METHOD FREQUENCY PERIOD REMARKS

B4.

B4.

B4.

B4.

B-E

B-F

B-G-1

25% (*)

25% (*)

25% (*)

10

11

12

13

REACTOR VESSEL(CONT'D)

PRESSURE RETAINING PARTIAL PENETRATION WELDS IN VESSEL

PARTIAL PENETRATION WELDS

VESSEL NOZZLES

CONTROL ROD DRIVE NOZZLES

INSTRUMENTATION NOZZLES

PRESSURE RETAINING

DISSIMILAR METAL WELDS

NOMINAL PIPE SIZE > 4 IN.

NOZZLE-TO-SAFE END BUTT WELDS

NOMINAL PIPE SIZE < 41N.

NOZZLE-TO-SAFE END BUTT WELDS

NOZZLE-TO-SAFE END SOCKET WELDS

PRESSURE RETAINING BOLTING, > 2 IN. IN DIAMETER

CLOSURE HEAD NUTS

CLOSURE STUDS, IN PLACE

CLOSURE STUDS, WHEN REMOVED

THREADS IN FLANGE

CLOSURE WASHERS, BUSHINGS

ALL

ALL

ALL

ALL

ALL

ANY

ANY

ANY

ANY

ANY

EXAMINATION MAY

INCLUDE 100% DURING

PLANT SURVEILLANCE REQUIREMENTS.

SAFE END EXAMINATION

SCHEDULE COINCIDENT WITH

CATEGORY B-D AND IN

CONJUNCTION WITH PIPING

ITEM 85.130 AND 85.140.

NOT APPLICABLE

THREAD EXAMINATION IN

CONJUNCTION WITH B1.30.

L ________________________ _________ I ______________ I. ________ I

VIS

VIS

VI S

SUR AND VOL

SUR

SUR

VOL

SUR AND VOL

VOL

VIS

(*)

(*)

DUR I NG INTERVAL

DUR I NG

INTERVAL

DUR I NG INTERVAL

DURING INTERVAL

DURING

INTERVAL

100%

100%

NONE

100%

100%

100%

100%

100%

B5 10

B5.20

1315.30

B6.10

B6.20

B6.30

B6.40

B6. 50

TABLE 1.1-CODE CLASS 1 - SUMMARY OF PLANNED INSERVICE INSPECTION EXAMINATIONS

EXAMINATION EXTENT AND EXAMINATION CATEGORY ITEM COMPONENT OR SYSTEM I METHOD FREQUENCY PERIOD REMARKS

REACTOR VESSEL(CONT'D)

PRESSURE RETAINING BOLTING < 2 IN. IN DIAMETER

BOLTS, STUDS AND NUTS

CRD HOUSING

INTEGRAL ATTACHMENTS FOR VESSEL

INTEGRALLY WELDED ATTACHMENTS

VESSEL STABILIZER WELDS

INTERIOR OF REACTOR VESSEL

B-G-2

B-H

B-N-1

B-N-2SUPPORT STRUCTURES ANDINTERIOR ATTACHMENTS TOREACTOR VESSEL

INTERIOR ATTACHMENTS WITHIN BELTLINE REGION

INTERIOR ATTACHMENTS BEYOND BELTLINE REGION

CORE SUPPORT STRUCTURE

PRESSURE RETAINING WELDS IN CONTROL ROD DRIVE HOUSINGS

87. 10

B7. BO

B8. 10

B13. 10

100%

100%

(*)

(*)

VIS

VIS

SUR

SUR

VIS

VI S

VIS

VI S

SUR OR VOL

ALL

ALL

ALL

ALL

ALL

ANY

ANY

ANY

ANY

APPLICABLE METHOD IWB-2500-13

EXTENT POSSIBLE

EXAMINATION IN CONJUNCTION WITH B-N-2 REQUIREMENTS.

10% PERCENT OF PERIPHERAL WELD

L _________ .1. ______________ L _________ j ________________________

VESSEL INTERIOR

INTEGRALLY WELDED CORE

B-0

100% (*)

SURFACE AS ACCESSIBLE

AS ACCESSIBLE EACH PERIOD

100% OF ACCESSIBLE WELDS



10% DURING INTERVAL SEE REMARKS

B13.20

B13.21

813.22

B14.10 WELDS IN CONTROL ROD DRIVE HOUSINGS


EXAMINATION EXTENT AND EXAMINATION CATEGORY ITEM COMPONENT OR SYSTEM METHOD FREQUENCY I PERIOD REMARKS

REACTOR VESSEL (CONT'D)

ALL PRESSURE RETAINING COMPONENTS

PRESSURE RETAINING BOUNDARY


PIPING-PRESSURE BOUNDARY

B-P

B-F

B-G- 1

B 15.10

B15. 11

B5. 130

85. 140

> 4 IN. BUTT WELDS

NOMINAL PIPE SIZE < 4 IN. DISSIMILAR METAL BUTT WELDS

DISSIMILAR METAL SOCKET WELDS

PRESSURE RETAINING BOLTING > 2 IN. IN DIAMETER

BOLTS AND NUTS

FLANGE SURFACE, DISCONNECTED

NUTS, BUSHINGS, AND WASHERS

VIS

VIS

SUR AND VOL

SUR

100% PRIOR TO PLANT START-UP EACH REFUELING OUTAGE.

100% AT OR NEAR END OF INTERVAL.

IELP ELECTS THE OPTION TO SCHEDULE THE EXTENT AND FREQUENCY SPECIFIED IN 10CFR50. 55a(b)(2)(11) FOR PIPING WELDS NOTE INTRODUCTION.

100% (*) 100% (*)

100% (*)

NONE

NONE

NONE

NONE

ALL

ALL

ALL ALL

ALL

EXAMINATIONS (WHERE APPLICABLE) DONE IN CONJUNCTION WITH ITEM B5.10/B5.20.

NOT APPLICABLE

NOT

NOT

NUT

APPLICABLE

APPLICABLE

APPLICABLE

PRESSURE RETAINING DISSIMILAR MEIAL WELDS

NOMINAL PIPE SIZE DISSIMILAR METAL

B5. 150

B6.150

86. 160

86. 170


EXAMINATION EXTENT AND EXAMINATION CATEGORYj ITEM COMPONENT OR SYSTEM METHOD FREQUENCY PERIOD REMARKS

B-G-2

B-J

B-K- I

B-P

B7. 50

PIPING-PRESSURE BOUNDARY (CONT'D)

PRESSURE RETAINING BOLTING < 2 IN. IN DIAMETER

BOLTS, STUDS, AND NUTS

PRESSURE RETAINING WELDS IN PIPING


-CIRCUMFERENTIAL

-LONGITUDINAL

NOMINAL PIPE SIZE < 4 IN.

-CIRCUMFERENTIAL

-LONGITUDINAL

BRANCH CONNECTION WELDS


NOMINAL PIPE SIZE < 4 IN.

SOCKET WELDS

INTEGRAL ATTACHMENTS


ALL PRESSURE RETAINING COMPONENIS



V IS

SUR AND VOL

SUR AND VOL

SUR

SUR

SUR AND VOL

SUR

SUR

SUR OR VOL

VI S

VI S

(*)

(*)

100%


100% AT OR NEAR END OF INTERVAL

100% (*)

AS SPECIFIED(**)

25% (*)

25% (*)

AS SPECIFIED(**)

25% (*)

25% (*)

COINCIDENT WITH B9.11 EXAMINATIONS WHERE POSSIBLE.

NON-WELDED AND B1O.10 EXEMPTED, UNDER IWF-2000 FOR EXAMINATION REQUIREMENTS.

* EXTENT AND FREQUENCY AS REQUIRED BY ASME XI, 1974 EDITION, ADDENDA, TABLE IWB-2500/IWB-2600 OR IWC-2400/IWC-2520.

25%

25%

25%

89.

B9 .

B9.

10

11

12

ALL

ALL

ALL

ALL

ALL

ALL

ALL

ALL

ALL

ALL

THREE

B9 20

B9.2 1

B9.22

B9. 30

B9.3 1

89.32

89.40

810. 10

B 15.50

B15.51

SUMMER 1975


EXAMINATION EXTENT AND EXAMINATION LCATEGORY 1 ITEM COMPONENT OR SYSTEM METHOD FREQUENCY PERIOD REMARKS

PUMPS

PRESSURE RETAINING BOLTING > 2 IN. IN DIAMETER

BOLTS AND STUDS

FLANGE SURFACE, WHEN CONNECTION DISASSEMBLED

NUTS, BUSHINGS AND WASHERS

PRESSURE RETAINING BOLTING,

B-G- I

B-G-2

B-K-1

B-L- 1

B-L-2

B-P

86.180

86. 190

B6.200

B7.60

810.20

B 12. 10

B 12.20

815.60

815.61

VOL

VIS

VI S

VOL OR SUR

VIS

VI S

VIS




NONE

100% (*)

NONE




ANY

ANY

ANY

ALL

ANY

ALL

THREE

WHEN DISASSEMBLED FOR PLANT MAINTENANCE REQUIREMENTS.

EXTERIOR ONLY UNLESS DISASSEMBLED FOR PLANT MAINTENANCE REQUIREMENTS.

NOT APPLICABLE

NON-WELDED AND 810.20 EXEMPTED-UNDER IWF-2000 FOR EXAMINATION REQUIREMENTS.

NOT APPLICABLE


< 2 IN. IN DIAMETER

BOLTS, STUDS AND NUTS



PRESSURE RETAINING WELDS IN PUMP CASINGS

PUMP CASING WELDS

PUMP CASING (INTERNAL SURFACES)

PUMP CASING




TA3LE 1.1-CODE CLASS 1 - SUMMARY OF PLANNED INSERVICE INSPECTION EXAMINATIONS

EXAMINATION EXTENT AND EXAMINATIO1

TEM COMPONENT OR SYSTEM METHOD FREQUENCY PERIOD

B-G-2

B-K- I

B -M-1

B -M-2

VALVES


> 2 IN. IN DIAMETER


< 2 IN- IN DIAMETER

BOLTS, STUDS, AND NUTS


INTEGRALLY WELDED

ATTACHMENTS

VALVE BODY WELDS

NOMINAL SIZE < 4 IN.

NOMINAL SIZE > 4 IN.

VALVE BODIES

VALVEBODY, EXCEEDING

4 IN. NOMINAL PIPE SIZE

ALL PRESSURE RETAINING

COMPONENTS



NONE

100% (*)

NONE

NONE

NONE

NONE

100%

100% PRIOR TO PLANT

START-UP EACH

REFUELING OUTAGE

100% AT OR NEAR END

OF INTERVAL

LVIS

VI S

REMARKS

NOT APPLICAB LE

NOT APPLICAB LE.

NOT

NOT

NOT

APPLICAB LE

APPLICABLE

APPLICABLE

B 7.70

6 10.30

6 12.30

8 12.40

B 12.50

6 15.70

B 15.71

.1 4 4 4- 4

cn

ALL

ALL

THREE

B


EXAMINATION AS REQUIRED WHEN

COINCIDENT WITH MAINTENANCE

SCHEDULE.



Details addressing component examinations as specified in "Table IWC-2500-1 Examination Categories" of the above referenced Code, are listed in the attached tables titled "Code Class 2 - Summary of Planned Inservice Inspection Examinations".

Components being exempt from the inservice examination requirements of IWC-2500 are as allowed by IWC-1220(b) and (c).

-9-


EXAMINATION EXTENT AND EXAMINATI CATEGORYI ITEM COMPONENT OR SYSTEM METHOD FREQUENCY I PERIOD

C-A

C-B

C . 10

C1 .20

Cl . 30

C2.10

C2. 11

C2 . 20

C2 . 21

C2. 22

C2. 30

C2.3 1

C2.32

C3. 10

VESSELS

PRESSURE RETAINING WELDS IN PRESSURE VESSEL

SHELL CIRCUMFERENTIAL WELDS

HEAD CIRCUMFERENTIAL WELDS

TLBE SHEET-TO-SHELL WELD

PRESSURE RETAINING NOZZLE WELDS IN VESSELS

NOZZELS IN VESSELS < 1/2 IN. NOMINAL THICKNESS

NOZZLES-TO-SHELL (OR HEAD) WELD

NOZZLES IN VESSELS > 1/2 IN. NOMINAL THICKNESS

NOZZLE-TO-SHELL (OR HEAD) WELD

NOZZLE INSIDE RADIUS SECTION

NOZZLES IN VESSELS > 1/2 IN. NOMINAL THICKNESS

REINFORCING PLATE WELDS TO NOZZLE AND VESSEL

VESSEL INTERIOR (AS ACCESSIBLE)

INTEGRAL ATTACHMENTS FOR VESSELS


VOL

VOL

SUR AND VOL

VIS

SUR

REMARKS



NONE

NONE


NONE

NONE


100% (*)

ANY

ANY

ALL

C-C

RHR HEAT EXCHANGER

ONE VESSEL (EXTENT POSSIB LE) VESSEL SUPPORT ASSEM3 LY TOP 7/8" (TO) BOTTOM 1-1/8"

ONE VESSEL (EXTENT POSSIBLE) TOP HEAD TIE DOWN BRACKET ASSENS LY 03STRUCTION.

NOT APPLICABLE

NOT APPLICAB LE

WITHOUT REINFORCING PLATES NOZZLES NI-NA (EXTENT POSS18 LE).

INNER RADIUS NOZZLES N1-N4 16" NOZZLES TO 12"LINES EXEMPT PER IWC-2500-4(b).

WITH REINFORCING PLATES

NOT APPLICAB LE

RHR HEAT EXCHANGER

ONE VESSEL (EXTENT POSSIB LE)

NON-WELDED AND C3.10. EXEMPTED, UNDER IWF-2000 FOR EXAMINATION REQUIREMENTS.


EXAMINATION EXTENT AND EXAMINATI CATEGORY ITEM COMPONENT OR SYSTEM METHOD FREQUENCY PERIOD

VESSELS (CONT'D)

C4. 10

C-D

C-H

C-C

C-D

C-F

PRESSURE RETAINING BOLTING > 2 IN. DIAMETER

BOLTS AND STUDS

ALL PRESSURE RETAINING CUMPUNEN b

PRESSURE RETAINING COMPONENTS


PIPING

INTEGRAL ATTACHMENTS FOR PIPING


PRESSURE RETAINING BOLTING > 2 IN IN DIAMETER

BOLTS & STUDS

PRESSURE RETAINING WELDS IN PIPING

PIPING WELDS < 1/2 IN. NOMINAL WALL THICKNESS

REMARKS

NONE

100% EACH PERIOD


100% (*)

IELP ELECTS THE OPTION TO SCHEDULE EXTENT AND FREQUENCY SPEC IF IED IN 1OCFR50.55a(b)(2) (iv)(B) FOR PIPING WELDS-NOTE DISCUSSION.

VIS

VIS

SUR

NOT APPLICAB LE

EXAMINATIONS AS REQUIRED BY IWC-2500-1, FN.1 NON-WELDED AND C3.20, EXEMPTED, UNDER IWF-2000 FROM EXAMINATION REQUIREMENTS.

NOT APPL ICAB LE

SYSTEMS (OR PORTIONS OF) SEPARATED BY CATEGORY AND ITEM (C-F/C-G) AS SPECIFIED IN 1OCFR50.55a (IWC-2520/ 2411) RELIEF REQUEST NO. NDE-003.

FORTY YEAR INTERVAL IN CONTINUATION OF EXAMINATION FROM FIRST INTERVAL FOR INSPECTION.

ALL

THREE

ALL

C7. 10

C7 .20

C3.20

C4.20

C5. 10



PIPING (CONT'D)

-CIRCUMFERENTIAL

-LONGITUDINAL

PIPING WELDS > 1/2 IN.

NOMINAL WALL THICKNESS

-CIRCUMFERENTIAL

-LONGITUDINAL-

C5. 11

C5. 12

C5.20

C5.2 1

C5.22

C5.30

C5.31

C 5 . 32

C7.30

C7.40

C3.30

SUR

SUR

SUR AND VOL

SUR AND VOL

SUR

SUR

100%

100%

REMARKS

REMARKS

100%

100%

100%

100%

100% EACH PERIOD

100% AT OR NEAR END

OF INTERVAL

NONE

(**)

(**)

ALL

THREE

COINCIDENT WITH C5.11.


COINCIDENT WITH C5.21 AND EXAMINATION AS.REQUIRED BY IWC-2500-1 (2-1/2t)

RELIEF REQUEST NO. 003.

NOT APPLICABLE NON-WELDED

UNDER IWF-2000

(S-75) INSPECTION PERIOD AS REQUIRED.

PIPE'BRANCH CONNECTIONS > 4 IN NOMINAL BRANCH PIPE SIZE.

-CIRCUMFERENTIAL

-LONGITUDINAL


COMPONENTS


PRESSURE RETAINING

COMPONENTS

PUMPS

INTEGRAL ATTACHMENTS FOR

PUMPS

INTEGRALLY WELDED

ATTACHMENT

C-H

C-C

(***) PIPING RE: IWC-2520



PRESSURE RETAINING

BOLTING > 2 IN. DIAMETER

BOLTS AND STUDS

C-D

C-G

C-H

C-C

C-D

C-G

C-H

IN

C4 . 30

C6. 10

C7. 50

C7.60

C3 .40

C4 .40

C6. 20

C7 . 70

C7.80

PRESSURE RETAINING WELDS PU APS

PUMP CASING WELDS


COMPONENTS

PRESSURE RETAINING

COMPONENTS


VALVES

INTEGRAL ATTACHMENTS FOR VALVES


PRESSURE RETAINING

BOLTING > 2 IN. DIAMETER

BOLTS AND STUDS

PRESSURE RETAINING WELDS IN VALVES

VALVE BODY WELDS


PUMPS (CONT'D)

NONE

NONE

100% EACH PERIOD

100% AT OR NEAR END

OF INTERVAL

NONE

NONE

NONE

100% EACH PERIOD

100% AT OR NEAR

END OF INTERVAL

ALL

THREE

ALL

THREE

NOT APPLICAB LE

NOT APPLICAB LE

NOT APPLICABLE NON-WELDED

UNDER IWF-2000.

NOT APPLICABLE

NOT APPLICABLE

VIS

VIS

VIS

VIS

PRESSURE RETAINING

COMPONENTS




Details addressing component examinations as specified in "Table IWD-2500-1 Examination Categories" of the above referenced Code, are listed in the attached tables titled "Code Class 3 - Summary of Planned Inservice Inspection Examinations".

Components being exempted from the inservice examination requirements of Table IWD2500-1 are component connections (including nozzles in vessels and pumps), piping and associated valves, and vessels and their attachments that are 4 in. nominal pipe size and smaller.

-14-

TABLE 3.1-CODE CLASS 3 - SUMMARj'bF PLANNED INSERVICE INSPECTION EXAMINATIONS

EXAMINATION EXTENT AND EXAMINATION CATEGORY1 ITEM COMPONENT OR SYSTEM METHOD FREQUENCY PERIOD REMARKS

VESSELS rPING

PUMPS V7AV1S

(CATEGORY)D-A, D-B, D-C


INTEGRAL ATTACHMENT SUPPORTS & RESTRAINTS EXCEEDING 4 IN.

INTEGRAL ATTACHMENT MECHANICAL & HYDRAULIC SNUBBERS EXCEEDING 4 IN.

INTEGRAL ATTACHMENTS -CONSTANT LOAD TYPE EXCEEDING 4 IN.

INTEGRAL ATTACHMENTS -CONSTANT LOAD TYPE SUPPORTS EXCEEDING 4 IN.

INTEGRAL ATTACHMENTS SHOCK ABSORBERS EXCEEDING 4 IN.

VI S

VIS

VIS

VIS

V IS

VI S

VI S

VI S

VIS

VIS

ALL CATEGORIES D-A; SYSTEMS IN SUPPURT OF RX SHUTDOWN FUNCTION

D-B; SYSTEMS IN SUPMURT OF EMERGENCY CORE COOLING, CONTAINMENT HEAT REMOVAL, ATMOSPHERE CLEANUP AND RESIDUAL HEAT REMOVAL.

D-C; SYSTEMS IN SUPPORT OF RESIDUAL HEAT REMOVAL FROM SPENT FUEL STORAGE POOL.

100% EACH INSPECTION PERIOD







ALL

THREE

ANY

ANY

ANY

ANY

ANY

(INCLUDES)D2.10, 03.10 PRESSURE RETAINING

INCLUDES D2.20 D3.20

INCLUDES D2.30 03.30


INCLUDES 02.50 D3.50


IWD

c-fl 01.10

D1. 10

D1 20

D1. 30

D1.40

01 50

01.60

I. I 4- 4 1.

SECTION 4.0: SUBSECTION IWF-CLASS 1,2 and 3 COMPONENT SUPPORTS

Component supports shall be examined and tested as specified in Section XI of the ASME Boiler and Pressure Vessel Code, 1980 Edition through Winter 1981 Addenda and as defined in "Introduction" of this document.

Details addressing examinations as specified in Subsection IWF of the above referenced Code, are listed in the attached table titled "Subsection IWF-Summary of Planned Inservice Inspection Examination".

The requirements of ASME Section XI Article IWF-2000, Paragraph IWF-2510(a) (single component schedule in a multiple component system) may be expanded to include all safety related piping systems documented as part of the Implementation Program. Supplements to the Implementation Program may catalog all systems within the safety related boundary (less Code Exemptions) for ready reference as required by component irregularities and consistent with IWF-2430.

-16-

TABLE 4.1-SUBSECTION IWF-SUMMARY OF PLANNED INSERVICE INSPECTION EXAMINATIONS

EXAMINATION EXTENT AND EXAMINATION COMPONENT OR SYSTEM METHOD FREQUENCY PERIOD REMARKS

ALL CATEGORIES (*) 100% IN ACCORDANCE WITH INSPECTION

VESSELS VIS F-A - PLATE AND SHELL ALL (*) SCHEDULE ESTABLISHED TYPE SUPPORTS FOR COMPONENTS UNDER

PIPING VI S IWB, IWC AND IWD. F-B - LINEAR TYPE ALL (*)

PUMPS VIS SUPPORTS EXAMINATION EXTENT

VALVES VIS F-C - COMPONENTS STANDARD ALL (*) IN ACCORDANCE WITH SUPPORTS FIGURE IWF-1300-1

REQUIREMENTS.

IWF-CATEGORY F-A,F-B,F-C

I TEM

(F-A) FJ.10 MECHANICAL CONNECTIONS TO PRESSURE RETAINING (F-B) F2.10 COMPONENTS AND BUILDING STRUCTURE (F-C) F3.10

(F-A) F1.20 WELD CONNECTIONS TO BUILDING STRUCTURE (F-B) F2.20 (F-C) F3.20

(F-A) FI.30 WELD AND MECHANICAL CONNECTIONS AT INTERMEDIATE (F-B) F2.30 JOINTS IN MULTICONNECTED INTEGRAL AND (F-C) F3.30 NONINTEGRAL SUPPORTS

(F-A) F1.40 COMPONENT DISPLACEMENT SETTINGS OF GUIDES AND (F-B) F2.40 STOPS, MISALIGNMENT OF SUPPORTS, ASSEMBLY (F-C) F3.40 OF SUPPORT ITEMS

IWF-CATEGORY FC (ONLY)

ITEM

(F-C) F3.50 SPRING TYPE SUPPORTS, CONSTANT LOAD TYPE SUPPORTS, SHOCK ABSORBERS, HYDRAULIC AND MECHANICAL TYPE SNUBBERS.

TYPICAL; ALL CODE ITEMS VISUAL, VT-3


TYPICAL; ALL CODE ITEMS


VISUAL, VT-4

GENERAL COMMENTS

* AS REFERENCED IN SECTION 3.0 CODE CLASS 3 IWO - THE PROCEDURAL REQUIREMENTS ARE UNDER SEPARATE COVER. THE EXTENT (100%) AND FREQUENCY (DURING THE INtERVAL) WILL BE FOR ALL CODE CLASS SAFETY RELATED SYSTEMS (NOTE SECTION 11.0) LESS EXEMPTIONS. THE ASME XI ARTICLE IWF-2000, PARAGRAPH IWF-2510(b) REQUIREMENTS MAY BE EXPANDED TO INCLUDE ADDITIONAL PIPING SYSTEMS REGARDLESS OF DESIGN REDUNDANCY.

* THE REPAIR (IF REQUIRED) WILL BE COMPLETED UNDER SECTION 7.0 OF THIS PLAN AND IN ACCORDANCE WITH THE ASME XI CODE CLASS SUPPORT COMPONENT.

" THE IWF AUGMENTED REQUIREMENTS FOR SNUBBER FUNCTIONAL TESTING (IWF-5000) IS UNDER SEPARATE COVER AND SCHEDULED IN ACCORDANCE WITH DAEC OPERATING LICENSE AND TECHNICAL SPECIFICATION SURVEILLANCE ITEM 4.6.H.

SECTION 5.0: PUMP and VALVES

The DAEC Pump and Valve Testing Program was submitted August 1, 1984 and is not included in this Plan (RE: Letter NG-84-3063 R. McGaughy (Iowa Electric) to H. Denton (NRC)). The Pump and Valve Program previously submitted was in accordance with the ASME B&PV Code, Section XI, 1980 Edition through Winter 1981 Addenda, Subsections IWP and IWV.

Limitations known or discovered are identified in accordance with the requirements of 1OCFR50.55a(g)(5)(iii) and (iv).

In view of this previous submittal and subsequent NRC interim approval (letter, D. Vassallo (NRC) to L. Liu (Iowa Electric) dated February 1, 1985) the Inservice Inspection Testing Program concerning IWP and IWV have been omitted from this submittal.

SECTION 6.0: PRESSURE TEST PROGRAM SUMMARY

The DAEC will follow a Pressure Test Program in accordance with the ASME Section XI, 1980 Edition through Winter 1981 Addenda, Article IWA-5000.

B&PV Code

The Pressure Test Program will be administered in accordance with the following table:

REFERENCE PARAGRAPHS FOR SYSTEM PRESSURE TESTS AND VISUAL (VT-2) REQUIREMENTS

EXAMINATION

Limitations known or discovered 1OCFR50.55a(g)(iii) and (iv).

are identified in accordance with the requirements of

-18-

ASME SYSTEM CODE CLASS PRESSURE TEST VISUAL EXAMINATION COMPONENTS TEST CONDITIONS EXAMINATIONS .CATEGORY

Class 1 IWA-5211(a) IWA-5212 IWA-5240 Table IWB-2500-1 IWA-5211(d) IWA-5213 IWA-2212 Cat. B-P

IWB-5210 IWB-5220 IWB-5230

Class 2 IWA-5211(b) IWA-5212 IWA-5240 Table IWC-2500-1 IWA-5211(d) IWA-5213 IWA-2212 Cat. C-H

IWC-5210 IWC-5220 IWC-5230

Class 3 IWA-5211(b) IWA-5212 IWA-5240 Table IWD-2500-1 IWA-5211(c) IWA-5213 IWA-2212 Cat. D-A, D-B, IWA-5211(d) D-C IWD-5210 IWD-5220

IWD-5230

SECTION 7.0: REPAIR PROGRAM SUMMARY

The DAEC will follow a Repair Program in accordance with the ASME B&PV Code Section XI, 1980 Edition throuqh Winter 1981 Addenda, Article IWA-4000. Later editions of ASME Section XI may be used either in their entirety or portions thereof.

The Repair Program will be administered in accordance with the rules of:

Code Class 1; Code Class 2; Code Class 3;

IWB-4000 IWC-4000 IWD-.4000,

Limitations known or discovered are identified in accordance with the requirement of 10CFR50.55a(g)(5)(iii) and (iv).

SECTION 8.0: REPLACEMENT PROGRAM SUMMARY

The DAEC will follow a Replacement Program in accordance with the ASME B&PV Code, Section XI, 1980 Edition through Winter 1981 Addenda, Article IWA-7000.

The Replacement Program will be administered in accordance with the rules of:

Code Class 1: Code Class 2; Code Class 3;

IWB3-7000 IWC-7000 IWD-7000

Limitations known or discovered are identified in accordance with the requirements of 1OCFR50.55a(g)(5)(iii) and (iv).

SECTION 9.0: RECORDS AND REPORTS

The DAEC will comply with the Record and Report requirements specified in the ASME B&PV Code, Section XI through 1980 Edition, Winter 1981 Addenda, Article IWA-6000. Where required, records will be retained and shall be available for review by authorized personnel.

-19-

SECTION 10.0: REQUESTS FOR RELIEF

Certain examinations required per ASME Section XI, 1980 Edition through Winter 1981 Addenda, are impractical. The attached requests for relief discuss the examinations found to be impractical and propose alternate examinations as applicable.

-20-

DUANE ARNOLD ENERGY CENTER TEN-YEAR EXAMINATION SUMMARY

ASME SECTION XI SYSTEMS

COMPONENT OR ITEM

REACTOR VESSEL (1) CIRCUMFERENTIAL WELD (VESSEL) (2) LONGITUDINAL WELD (VESSEL) (3) CIRCUMFERENTIAL WELD (BOTTOM HEAD) (4) MERIDIONAL WELD (BOTTOM HEAD)

MAJOR ITEM: REQUEST FOR RELIEF NO. NDE-001 TABLE: SECTION 10

-REQUEST FOR EXAMINATION RELIEF- PAGE 1 OF 1

ASME XI PROGRAM CODE CODE CLASS TABLE CATEGORY

1 1 1 1

1.1 1.1 1.1 1.1

B-A B-A B-A B-A

CODE ITEM

B1.11 B1.12 B1.21 B1.22

CODE REQUIREMENT (1) VOLUMETRIC EXAMINATION OF ONE CIRCUMFERENTIAL WELD (VCB-A2) AND (2) VOLUMETRIC EXAMINATION OF ONE LONGITUDINAL WELD (VLA-A1) IN THE BELTLINE REGION

OF THE VESSEL (ESSENTIALLY 100% PER FOOTNOTE 2, IWB-2500-1) (3) VOLUMETRIC EXAMINATION OF ONE CIRCUMFERENTIAL WELD (HCA-H2) AND (4) VOLUMETRIC EXAMINATION OF THE ONE MERIDIONAL WELD (HMA-B2)

-EXAMINATIONS PERMISSIBLE AT OR NEAR END OF INTERVAL

BASIS FOR RELIEF (1)(2) THE DESIGN AND CONSTRUCTION PRECLUDES THE POSSIBLITY OF TOTAL CODE COMPLIANCE.

THE BIOLOGICAL SHIELD THAT SURROUNDS THE VESSEL AND THE LIMITED ACCESSIBLE REGION(S) HAVE REMOVABLE METAL "WINDOWS" DESIGNED FOR VESSEL NOZZLE AND INNER RADIUS EXAMINATION WITH RANDOM "PLUGS" FOR CIRCUMFERENTIAL WELDS ONLY. THE DESIGN DID NOT ANTICIPATE NOR WAS IT CONSTRUCTED TO THE LATEST CODE REQUIREMENT.

(3)(4) THE DESIGN AND CONSTRUCTION ALLOWS A SUBSTANTIAL PORTION OF THE BOTTOM HEAD CIRCUMFERENTIAL WELD AND MERIDIONAL WELD TO BE EXAMINED AND CONSISTENT WITH THE FOOTNOTES OF IWB-2500-1 RELATING TO THE ACCESSIBILITY OF WELDS REQUIRING EXAMINATION.

ALTERNATE EXAMINATION(1)(2)(3)(4) SCHEDULED ACCESSIBLE WELDS WILL BE SURFACE EXAMINED IN ADDITION TO

VOLUMETRICALLY EXAMINED TO THE EXTENT POSSIBLE. THE EXAMINATIONS WILL BE DOCUMENTED ON THE RESPECTIVE EXAMINATION REPORTS AND FURTHER SUMMARIZED IN THE "RECORDS AND REPORTS" PER IWA-6000.

VISUAL EXAMINATIONS REQUIRED BY CATEGORY B-P WILL BE FULFILLED EACH INSPECTION PERIOD (IWB-5221) PRIOR TO PLANT START-UP AFTER EACH REFUELING OUTAGE AND HYDROSTATIC TESTING (IWB-5222)WILL BE CONDUCTED AT OR NEAR THE END OF THE INSPECTION INTERVAL.

SCHEDULE FOR IMPLEMENTATION NOVEMBER 1, 1985 -START OF SECOND INSPECTION INTERVAL-

-21-

DUANE ARNOLD ENERGY CENTER MAJOR ITEM: REQUEST FOR RELIEF NO. NDE-002 TEN-YEAR EXAMINATION SUMMARY TABLE: SECTION 10

ASME SECTION XI SYSTEMS -REQUEST FOR EXAMINATION RELIEF- PAGE 1 OF 1

ASME XI PROGRAM CODE CODE COMPONENT OR ITEM CODE CLASS TABLE CATEGORY ITEM

RECIRCULATION SYSTEM

(1) RECIRCULATION PUMPS 1 1.1 B-L-2 B12.20 (2) RECIRCULATION VALVES 1 1.1 B-M-2 B12.50

CODE REQUIREMENT

(1) VISUAL INTERIOR EXAMINATION OF ONE IN A GROUP OF PUMPS PERFORMING THE SAME SYSTEM FUNCTION.

(2) VISUAL INTERIOR EXAMINATION OF ONE IN A GROUP OF VALVES PERFORMING THE SAME SYSTEM FUNCTION AND EXCEEDS 4 INCH NOMINAL PIPE SIZE.

BASIS FOR RELIEF

THE REQUIREMENTS TO DISASSEMBLE THE RECIRCULATION SYSTEM VALVES AND PUMP FOR THE SOLE PURPOSE OF PERFORMING A VISUAL EXAMINATION OF THE INTERNAL PRESSURE BOUNDARY SURFACES HAS ONLY A VERY SMALL POTENTIAL OF INCREASING PLANT SAFETY MARGINS AND A VERY DISPROPORTIONATE IMPACT ON EXPENDITURES OF PLANT MANPOWER AND RADIATION EXPOSURE.

PERFORMING THESE VISUAL EXAMINATIONS, IN SOME CASES, UNDER SUCH ADVERSE CONDITIONS AS HIGH DOSE RATES AND POOR AS-CAST SURFACE CONDITIONS, REALISTICALLY PROVIDES LITTLE ADDITIONAL INFORMATION AS TO THE VALVE AND PUMP CASING INTEGRITY.

E PERFORMANCE OF BOTH CARBON AND STAINLESS CAST VALVE BODIES HAS BEEN EXCELLENT IN ALL WR APPLICATIONS. BASED ON THIS EXPERIENCE AND BOTH INDUSTRY AND REGULATORY ACCEPTANCE OF THSE ALLOYS, CONTINUED EXCELLENT SERVICE PERFORMANCE IS ANTICIPATED.

ALTERNATE EXAMINATION

(1)(2) THE INTERIOR SURFACES OF RECIRCULATION PUMPS AND VALVES WILL BE EXAMINED DURING MAINTENANCE ACTIVITIES AND REGARDLESS OF THE INSPECTION PERIOD. IN THE EVENT THAT A RECIRCULATION PUMP AND VALVE IS NOT SUBJECT TO DISASSEMBLY DURING THE INSPECTION INTERVAL, THE RECIRCULATION PUMP AND VALVE WILL BE VOLUMETRICALLY EXAMINED FOR THICKNESS COMPARISON IN GRID TECHNIQUE SUITABLE TO EXAMINE FOR DETERIORATION OF THE INNER WALLS OF THE PUMP OR VALVE.

VISUAL EXAMINATIONS REQUIRED BY CATEGORY B-P WILL BE FULFILLED EACH INSPECTION PERIOD (IWB-5221) PRIOR TO PLANT START-UP AFTER EACH REFUELING OUTAGE AND HYDROSTATIC TESTING (IWB-5222) WILL BE CONDUCTED AT OR NEAR THE END OF THE INSPECTION INTERVAL.

SCHEDULE FOR IMPLEMENTATION

NOVEMBER 1, 1985 -START OF SECOND INSPECTION INTERVAL

-22-


ASME SECTION XI SYSTEMS -REQUEST FOR

MAJOR ITEM: REQUEST FOR RELIEF NO. NDE-003 TABLE: SECTION 10

EXAMINATION RELIEF- PAGE 1 OF 1

COMPONENT OR ITEMASME XI PROGRAM CODE

CODE CLASS TABLE CATEGORY

PIPING WELDS

NONDESTRUCTIVE EXAMINATION (NDE) CRITERIA FOR CODE CLASS 2 PIPING

EXEMPTION SYSTEM

2 2 2

2.2 2.2 2.2

C-F C-F C-F

C5.10 C5.20 C5.30

CODE REQUIREMENT

THE NDE EXEMPTION CRITERIA REFERENCED IN ASME SECTION XI, IWC-1220 OF THE 1974 EDITION, THROUGH SUMMER 1975 ADDENDA IS REQUIRED BY 1OCFR50.55a(b)(2)(IV) (B) FOR PLANTS OPTIONING THE CODE CLASS 2 PIPING WELDS EXTENT AND FREQUENCY OF THE 1974 EDITION, THROUGH SUMMER OF 1975 ADDENDA CATEGORY C-F/C-G OF TABLE IWC-2520.

BASIS FOR RELIEF

IOWA ELECTRIC LIGHT & POWER COMPANY DOES NOT CONCUR WITH THE ASME XI 1974 EDITION, SUMMER 1975 ADDENDA, IWC-1220 EXEMPTION CRITERIA BECAUSE:

(1) IWC-1220(a) UTILIZES DESIGN PARAMETERS OF SYSTEMS AND DOES NOT ADDRESS ACTUAL OPERATING CONDITIONS.

(2) IWC-1220(c) UTILIZES SYSTEM CHEMISTRY CONTROL AS AN EXEMPTING FACTOR AND FAILS TO ) CONSIDER OTHER FACTORS THAT MAY CONTRIBUTE TO A FAILURE MODE. (3) THE (a) AND (c) CRITERIA WOULD CAUSE, IF USED, A SEPARATE EXEMPTION CRITERIA FOR

OTHER CODE CLASS SYSTEMS, OR PORTION THEREOF.


THE CLASS 2 EXEMPTION CRITERIA AS ESTABLISHED BY ASME XI, 1980 EDITION THROUGH WINTER 1981 ADDENDA WILL BE USED TO DEVELOP THE NDE EXEMPTIONS IN CLASS 2 PIPING SYSTEMS.


NOVEMBER 1, 1985 -START OF SECOND INTERVAL-

-23-

CODE ITEM

DUANE ARNOLD ENERGY CENTER MAJOR ITEM: REQUEST FOR RELIEF NO. HT-001 TEN-YEAR EXAMINATION SUMMARY TABLE: SECTION 10

ASME SECTION XI SYSTEMS -REQUEST FOR EXAMINATION RELIEF- PAGE 1 OF 1 ASME XI PROGRAM CODE CODE

COMPONENT OR ITEM CODE CLASS TABLE CATEGORY ITEM

PRESSURE RETAINING COMPONENTS 3 D-B D2.1

SYSTEM: RIVER WATER

PIPING AND COMPONENTS BETWEEN THE CHECK VALVES AND THE STOP VALVES AT THE DISCHARGE OF EACH PUMP.

V-29-1 AND V-29-2 V-29-3 AND V-29-4 V-29-5 AND V-29-6 V-29-7 AND V-29-8 REFERENCE P&ID M-129

CODE REQUIREMENTS

THE PRESSURE RETAINING COMPONENTS WITHIN THE BOUNDARY OF EACH SYSTEM SPECIFIED IN THE EXAMINATION CATEGORIES OF TABLE IWD-2500-1 SHALL BE PRESSURE TESTED AND EXAMINED IN ACCORDANCE WITH TABLE IWD-2500-1.

BASIS FOR RELIEF

THERE IS NO PRACTICAL METHOD OF PRESSURIZING THE SECTION OF PIPING AND COMPONENTS BETWEEN THESE VALVES TO CONDUCT THE REQUIRED HYDROSTATIC PRESSURE TEST.

1-ERATEEXAMINATION

PRESSURE TEST IN ACCORDANCE WITH IWD-5221 WILL BE PERFORMED.



-24-




PRESSURE RETAINING COMPONENTS 2 --- C-H C7.20

SYSTEM: HIGH PRESSURE COOLANT INJECTION (HPCI)

PIPING AND COMPONENTS BETWEEN CHECK VALVE V-23-4 AND MO-2300 REFERENCE P&ID M-123

CODE REQUIREMENTS

THE PRESSURE RETAINING COMPONENTS WITHIN EACH SYSTEM BOUNDARY SHALL BE SUBJECTED TO THE FOLLOWING SYSTEM PRESSURE TESTS AND VISUALLY EXAMINED BY THE METHOD SPECIFIED IN TABLE IWC-2500-1, EXAMINATION CATEGORY C-H: (2) A SYSTEM HYDROSTATIC PRESSURE TEST [(IWA5211(d)] FOR EACH SYSTEM OR PORTION OF SYSTEMS AND ....... [(IWC-5210(a)].

BASIS FOR RELIEF

THERE IS NO PRACTICAL METHOD FOR PRESSURIZING THE SECTION OF PIPING BETWEEN THESE TWO VALVES TO THE REQUIRED TEST PRESSURE.


PRESSURE TEST IN ACCORDANCE WITH IWC-5221 WILL BE PERFORMED.

IEMBER FOR IMPLEMENTATION


-25-



MAJOR ITEM: REQUEST FOR RELIEF NO. HT-003

-REQUEST FOR EXAMINATION RELIEF-TABLE: SECTION 10 PAGE 1 OF 1

COMPONENT OR ITEM


ASME XI PROGRAM CODE CODE CLASS TABLE CATEGOR

2 C-H

SYSTEM: HIGH PRESSURE COOLANT INJECTION (HPCI)

PIPING AND COMPONENTS IN THE TURBINE STEAM SZSTEM Amn Df LTED TO TUIPTNE AILYTI TADR

DOWNSTREAM OF MO-2202 V-22-19 AND CV-2234.

EXTENDING TO V-22-16, REFERENCE P&ID M-122.

CODE REQUIREMENTS


BASIS FOR RELIEF

THERE IS NO PRACTICAL METHOD OF ISOLATING THESE PORTIONS OF PIPING AND COMPONENTS FROM THE HPCI TURBINE CASING. THE SUBJECT PIPING CANNOT BE PRESSURIZED SINCE THE TURBINE CASING IS INCAPABLE OF MAINTAINING ANY SIGNIFICANT INTERNAL PRESSURE WITHOUT THE SEAL GLAND SYSTEM IN OPERATION.

REGULATORY GUIDE 1.26 PROVIDES THE BASIS FOR EXCLUDING TURBINES FROM THE THE SCOPE OF HYDROSTATIC TESTING. SINCE THIS SECTION OF PIPING IS UNISOLABLE FROM THE TURBINE CASING, EXEMPTION IS REQUESTED.


NONE



-26-

YCODE ITEM

C7.20





COMPONENT OR ITEM


SYSTEM: CONTROL ROD DRIVE (CRD)

PIPING AND COMPONENTS CR0 HYDRAULIC CONTROL CV-1850 AND V-18-1453 REFERENCED P&ID M-117


2 C-H

ASSOCIATED WITH THE UNITS BETWEEN VALVES THRU V-18-1541. AND M-118.

CODE REQUIREMENTS


THE SYSTEM HYDROSTATIC TEST PRESSURE SHALL BE AT LEAST 1.25 TIMES THE SYSTEM PRESSURE FOR SYSTEMS WITH DESIGN TEMPERATURE ABOVE 2000F.

BASIS FOR RELIEF

THERE IS NO PRACTICAL METHOD FOR PRESSURE TESTING THE SECTION OF PIPING BETWEEN THESE VALVES ON EACH HYDRAULIC CONTROL UNIT.


PRESSURE TEST IN ACCORDANCE WITH IWC-5221 WILL BE PERFORMED.



-27-

m i~

CODE ITEM

C7.20





SYSTEM: CONTROL ROD DRIVE (CRD)

INSERT AND WITHDRAWAL LINES TO THE CONTROL ROD DRIVE MECHANISMS. REFERENCED P&ID M-117 AND M-118.

CODE REQUIREMENTS


THE SYSTEM HYDROSTATIC TEST PRESSURE SHALL BE AT LEAST 1.25 TIMES THE SYSTEM PRESSURE FOR SYSTEMS WITH DESIGN TEMPERATURE ABOVE 200 0F.

BASIS FOR RELIEF

THE CRD INSERT AND WITHDRAWAL PIPING IS NOT ISOLABLE FROM THE REACTOR VESSEL BECAUSE OF DESIGNED LEAKAGE THROUGH THE CRD MECHANISM. TESTING AT A TEST PRESSURE OF 1.25 TIMES THE SYSTEM PRESSURE (AS DEFINED IN CODE PARAGRAPH IWC-5222(a)) FOR THE CRD INSERT AND

LOWABLE.


THE CRD INSERT AND WITHDRAWAL PIPING WILL BE INSPECTED WHILE THE REACTOR VESSEL CLASS 1 HYDROSTATIC TEST IS BEING CONDUCTED AT THE PRESSURE DESIGNATED FOR THE CLASS 1 TEST.



-28-





ASME XI CODE CLASSCOMPONENT OR ITEM


PROGRAM TABLE

3

CODE CATEGORY

D-A

CODE ITEM

01.1

SYSTEM: REACTOR RECIRCULATION

RECIRCULATION PUMP SEAL LEAK DETECTION SENSING LINE. REFERENCED P&ID M-116

CODE REQUIREMENTS


BASIS FOR RELIEF

THERE IS NO PRACTICAL METHOD OF TESTING THIS PIPING. THESE SECTIONS OF PIPING WOULD BE PRESSURIZED ONLY IN THE EVENT OF A FAILURE OF A NUMBER 1 RECIRCULATION PUMP SEAL WHICH WOULD BE INDICATED BY AN ALARM IN THE CONTROL ROOM. IF THIS DID OCCUR, IT IS LIKELY THAT THE PLANT WOULD BE PROMPTLY SHUTDOWN AND COOLED DOWN TO EFFECT REPAIRS TO THE SEAL.

LALTERNATE EXAMINATION

PRESSURE TEST IN ACCORDANCE WITH IWD-5221 WILL BE PERFORMED.



-29-

i i

DUANE ARNOLD ENERGY CENTER MAJOR ITEM: REQUEST FOR RELIEF NO. HT-007 TEN-YEAR EXAMINATION SUMMARY TABLE: SECIOuN 10



PRESSURE RETAINING COMPONENTS 3 --- D-A D1.1

SYSTEM: EMERGENCY SERVICE WATER RHR SERVICE WATER

PIPING AND COMPONENTS DOWNSTREAM OF PSE-2079A AND PSE-2079B. REFERENCED P&ID'S M-113 AND M-142.

CODE REQUIREMENTS


IN NONREDUNDANT SYSTEMS WHERE THE BURIED COMPONENTS ARE ISOLATED BY MEANS OF VALVES, THE VISUAL EXAMINATION VT-2 SHALL CONSIST OF A LEAKAGE TEST THAT DETERMINES THE RATE OF PRESSURE LOSS. ALTERNATIVELY, THE TEST MAY DETERMINE THE CHANGE IN FLOW BETWEEN THE ENDS OF THE BURIED COMPONENTS.

BASIS FOR RELIEF

THE PIPING IDENTIFIED ABOVE IS BOUNDED BY LARGE (24-INCH) BUTTERFLY VALVES THAT WERE NOT F IGINALLY SPECIFIED TO BE LEAKTIGHT. ADDITIONALLY, SINCE THE LEAKTIGHT INTEGRITY OF ESE VALVES IS NOT IMPORTANT FROM OPERATIONAL OR SAFETY VIEWPOINTS, IT IS HIGHLY

NLIKELY THAT THEY COULD HOLD HYDROSTATIC PRESSURE TO A SUFFICIENT EXTENT TO PERMIT PERFORMANCE OF A HYDROTEST AND CERTAINLY NOT FOR THE REQUIRED PRESSURE DROP TEST. SINCE THE SYSTEM IS CLOSED, DETERMINATION OF ANY MEANINGFUL FLOW CHANGE IN THE PIPING IS IMPRACTICAL.


DURING SYSTEM FUNCTIONAL TESTING, THIS SECTION OF PIPING WILL BE TESTED IN ACCORDANCE WITH PARAGRAPH IWA-5244(c) TO VERIFY THAT RETURN FLOW DURING OPERATION IS NOT IMPAIRED.



-30-



COMPONENT OR ITEM

MAJOR ITEM: REQUEST FOR RELIEF NO. HT-008 TABLE: SECTION 10

-REQUEST FOR EXAMINATION RELIEF- PAGE 1 OF 1


CODE ITEM

PRESSURE RETAINING COMPONENTS 2 C-H C7.20

SYSTEM: VARIOUS

NONISOLABLE PORTIONS OF THE NUCLEAR STEAM SUPPLY SYSTEM THAT ARE CLASSIFIED AS CLASS 2. REFERENCED P&ID'S M-114, M-115, M-116, M-117, M-121,

M-122 AND M-124.

CODE REQUIREMENTS

THE SYSTEM HYDROSTATIC TEST PRESSURE SHALL BE AT LEAST 1.25 TIMES THE SYSTEM PRESSURE FOR SYSTEMS WITH DESIGN TEMPERATURE ABOVE 200 0F.

BASIS FOR RELIEF

AS DEPICTED ON THE REFERENCE DRAWINGS, IN SEVERAL INSTANCES THERE ARE CLASS BREAKS BETWEEN CLASS 1 AND CLASS 2 PIPING WITHOUT ANY MEANS FOR ISOLATION BETWEEN THE TWO. TESTING THE CLASS 2 PIPING AND COMPONENTS AT A TEST PRESSURE OF 1.25 TIMES THE SYSTEM PRESSURE (AS DEFINED IN CODE PARAGRAPH IWC-5222(a)) WOULD REQUIRE THE PRESSURE IN THE REACTOR VESSEL TO EXCEED THE MAXIMUM ALLOWABLE.


I ASS 2 PIPING THAT CANNOT BE ISOLATED FROM THE CLASS 1 PIPING TO WHICH IT IS CONNECTED ILL BE SUBJECTED TO THE SAME HYDROSTATIC TEST PRESSURE AS PRESCRIBED FOR THE CLASS 1

TEST.



-31-

DUANE ARNOLD ENERGY CENTER MAJOR ITEM: REQUEST FOR RELIEF NO. HT-009 TEN-YEAR EXAMINATION SUMMARY TABLE: SECTION 1U



PRESSURE RETAINING COMPONENTS 3 --- D-A D1.1

SYSTEM: VARIOUS

PIPING AND COMPONENTS INCLUDED IN THE SYSTEM HYDROSTATIC TEST BOUNDARY.

CODE REQUIREMENTS

THE SYSTEM HYDROSTATIC TEST PRESSURE SHALL BE AT LEAST 1.10 TIMES THE SYSTEM PRESSURE (AS DEFINED IN PARAGRAPH IWD-5223) FOR SYSTEMS WITH DESIGN TEMPERATURE OF 200-F OR LESS.

BASIS FOR RELIEF

UNISOLABLE PORTIONS OF THE VARIOUS SYSTEMS WITHIN THE HYDROSTATIC TEST BOUNDARY ARE LOCATED THROUGHOUT THE PLANT SUCH THAT THERE ARE POTENTIAL VARIATIONS IN ELEVATION WITHIN THE PIPING THAT WOULD RESULT IN TEST PRESSURE VARIATIONS IN EXCESS OF SIX (6) PERCENT OF THE TEST PRESSURE. THUS, IN ORDER TO LIMIT THE TEST PRESSURE IMPOSED ON SYSTEM COMPONENTS TO 106% OF THE SPECIFIED TEST PRESSURE AS REQUIRED BY PARAGRAPH IWA-5265(b), PORTIONS OF PIPING AT HIGHER ELEVATIONS WILL BE SUBJECTED TO A TEST PRESSURE LOWER THAN THAT SPCIFIED DUE TO THE EFFECTS OF STATIC HEAD. THERE IS NO PRACTICAL METHOD FOR ISOLATING THE PIPING SEGMENTS TO ACHIEVE THE REQUIRED TEST PRESSURE AT ALL ELEVATIONS.

ERNATE EXAMINATION

YDROSTATIC TESTING OF CLASS 3 SYSTEM PIPING AND ASSOCIATED COMPONENTS WILL BE CONDUCTED AT A PRESSURE EQUIVALENT TO 1.10 TIMES THE SYSTEM PRESSURE AS MEASURED AT THE LOWEST POINT IN THE HYDROSTATIC BOUDNARY.



-32-





SYSTEM: VARIOUS

PIPING AND COMPONENTS INCLUDED IN THE SYSTEM HYDROSTATIC TEST BOUNDARY.

CODE REQUIREMENTS

THE PRESSURE RETAINING COMPONENTS WITHIN EACH SYSTEM BOUNDARY SHALL BE SUBJECTED TO THE FOLLOWING SYSTEM PRESSURE TESTS AND VISUALLY EXAMINED BY THE METHOD SPECIFIED IN TABLE IWC-2500-1, EXAMINATION CATEGORY C-H: "(2) A SYSTEM HYDROSTATIC PRESSURE TEST [(IWA-5211(d))] FOR EACH SYSTEM OR PORTIONS OF

SYSTEMS AND ..... [(IWC-5210(a)]."

THE SYSTEM HYDROSTATIC TEST PRESSURE SHALL BE AT LEAST 1.25 TIMES THE SYSTEM PRESSURE FOR SYSTEMS WITH DESIGN TEMPERATURE ABOVE 200F.

BASIS FOR RELIEF

UNISOLABLE PORTIONS OF THE VARIOUS SYSTEMS WITHIN THE HYDROSTATIC TEST BOUNDARY ARE LOCATED THROUGHOUT THE PLANT SUCH THAT THERE ARE POTENTIAL VARIATIONS IN ELEVATION WITHIN THE PIPING THAT WOULD RESULT IN TEST PRESSURE VARIATIONS IN EXCESS OF SIX (6) PERCENT OF E TEST PRESSURE. THUS, IN ORDER TO LIMIT THE TEST PRESSURE IMPOSED ON SYSTEM MPONENTS TO 106% OF THE SPECIFIED TEST PRESSURE AS REQUIRED BY PARAGRAPH IWA-5265(b), RTIONS OF PIPING AT HIGHER ELEVATIONS WILL BE SUBJECTED TO A TEST PRESSURE LOWER THAN

THATSPECIFIED DUE TO THE EFFECTS OF STATIC HEAD. THERE IS NO PRACTICAL METHOD FOR ISOLATING THE PIPING SEGMENTS TO ACHIEVE THE REQUIRED TEST PRESSURE AT ALL ELEVATIONS.


HYDROSTATIC TESTING OF CLASS 2 SYSTEM PIPING AND ASSOCIATED COMPONENTS WILL BE CONDUCTED AT A PRESSURE EQUIVALENT TO 1.25 TIMES THE SYSTEM PRESSURE AS MEASURED AT THE LOWEST POINT IN THE HYDROSTATIC BOUDNARY.



-33-

DUANE ARNOLD ENERGY CENTER MAJOR ITEM: REQUEST FOR RELIEF NO. SN-001 TEN-YEAR EXAMINATION SUMMARY TABLE: SECTION 10



HYDRAULIC AND MECHANICAL-TYPE SNUBBERS ALL --- F-C F3.50

CODE REQUIREMENTS

CONDUCT A VISUAL EXAMINATION (VT-4) OF ALL SNUBBERS DURING EACH INTERVAL.

BASIS FOR RELIEF

DAEC TECHNICAL SPECIFICATIONS REQUIRE INSPECTION EQUIVALENT TO THAT REQUIRED BY IWF-3410 OF 100% OF THE SNUBBERS INSTALLED ON SAFETY-RELATED SYSTEMS AT 18-MONTH INTERVALS, USUALLY COINCIDING WITH REFUELING OUTAGES. IN ADDITION, A 10% REPRESENTATIVE SAMPLE OF THE SNUBBERS IS FUNCTIONALLY TESTED AT THE SAME INTERVAL WITH A RETEST REQUIREMENT OF 5%. THESE REQUIREMENTS HAVE BEEN APPROVED BY THE NRC AND ARE CONSIDERED TO PROVIDE ADEQUATE ASSURANCE OF SNUBBER OPERABILITY.


IOWA ELECTRIC WILL CONDUCT INSPECTION AND TESTING IN ACCORDANCE WITH DAEC TECHNICAL SPECIFICATION 4.6.H. THE VISUAL INSPECTION WILL NOT INCLUDE THE REQUIREMENT FOR STROKING TO PROVE SNUBBER FUNCTIONALITY.


VEMBER 1, 1985 -START OF SECOND INTERVAL-

-34-

DUANE ARNOLD ENERGY CENTER MAJOR ITEM: REQUEST FOR RELIEF NO. SN-002 TEN-YEAR EXAMINATION SUMMARY TABLE: SECTION 10



HYDRAULIC AND MECHANICAL-TYPE SNUBBERS ALL --- F-C NA

CODE REQUIREMENTS

(IWF-5400(c)) SNUBBERS THAT FAIL THE INSERVICE TESTS OF (b) ABOVE SHALL BE REPAIRED IN ACCORDANCE WITH IWF-4000 AND RETESTED. AN ADDITIONAL SAMPLE OF 10% OF THE TOTAL NUMBER OF SNUBBERS SHALL ALSO BE TESTED AT THAT TIME.

BASIS FOR RELIEF

DAEC TECHNICAL SPECIFICATIONS REQUIRE FUNCTIONAL TESTING EQUIVALENT TO THAT REQUIRED BY IWF-5400 AT 18-MONTH INTERVALS VICE EACH PERIOD (40 MONTHS) WITH A FAILURE RETEST REQUIREMENT OF 5%. THESE REQUIREMENTS HAVE BEEN APPROVED BY THE NRC AND ARE CONSIDERED TO PROVIDE ADEQUATE ASSURANCE OF SNUBBER OPERABILITY.


IOWA ELECTRIC WILL CONDUCT INSPECTION AND TESTING IN ACCORDANCE WITH DAEC TECHNICAL SPECIFICATION 4.6.H.



-35-

SECTION 11.0: CODE CLASSIFICATION DRAWINGS

Attached are copies of DAEC drawings illustrating class boundaries. These boundaries were determined by reference to 10 CFR 50, Reg. Guide 1.26 and ASME Section III-MC.

-36-

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P10 SYSTEM DESCRIPTION 1. ARTICLE IWA-1000 OF ASME 801LER & PRESSURE VESSEL CODE SECTION XI, -RULES FOR INSERVICE INSPECTION OF NUCLEAR POWER PLANT COMPONENTS,SREQUIRES DETERMININ THE APPROPRIATE CODE CLASS(ES) (1,2,3) FOR NUCLEAR POWER SYSTEM ComPONENTS USING CRITEIA SPECIFIED IN IOCFR5O AND BY 4-103 1 MAIN STEAM TEAPRPIT RGLTRYAT.CIIIS M-113 2 RHR SERVICE WATER AND .

M-.14 E4ERGENCY SERVICE WATER SYSTEM 2. SECTION 50.55A, 'CODES AND STANDARDS OF I OCFR 50-, REQUIRES THAT COMPONENTS OF THE REACTOR COOLANT PRESSU .RE BOUNDARY MEET THE R QUIREMENTS 14143 NUCLEAR BOILER SYSTEM FOR CLASS I CC14PONENTS OF SECTION III OF THE ASJE BOILER L PRESSURtE VESSEL CODE. SECTIONI S0.2(v) OF IOCFR50 DEFINeS THE REACTO COLE M-115 4 REACTOR VESSEL INSTRUM.ENTATION PRESSURE BOUNDARY AS ALL THOSE FRESSURE CONTAINING COMPONENTS OF BOILING AND PRESSURIZED WATER COOLED NUCLEAR POWER REAMrORS SITOROOAS T M-116 5 REACTOR RECIRCULATION SYSTEM PRESSURE VESSELS, PIPING, PUNPS AND VALVES HIOf ARE* m-117 6 CONTROL ROD DRIVE HYDRAULIC SYSTEM (SHT I ) . M-118 7 CONTROL ROD DRIVE HYDRAULIC SYSTEM (SFT 2) a. PART OF THE REACTOR COOLANT SYSTEM OR M1- :19 8 RESIDUAL EAT REVAL SYSTEM (S E b. CONNECTED TO THE REACTOR COOLANT SYSTEM, UP TO AND ICLUDING, ANY AND ALL OF THE FOLLOWING: M-120 9 RESIDUAL HEAT REMOVAL SYSTEM 2ET 2) (1) THE OUTERMOST CONTAIIENT ISOLATION VALVE IN SYSTEM PIPING WHICH PENETRATES PRIMARY REACTOR CONTAINMENT M-121 HI CORE SPRAY SYTEM (2)THE SECOND OF TWO VALVES N)CP3ALLY CLOSED OURIN NCRMAL REACTOR OPERATION IN SYSTEM PIPING WHICH DOES NOT PENETRATE PRIMARY REACTOR M-122 11 HIGH PRESSURE COOLANT INJECTICN SYSTEM. CONTAINNENT.

. . . (HK C) STEM SIDE (SN IO S(31ETHE REACTOR COOLANT SYSTEM SAFETY AND RELIEF VALVES. . . -. 1-123 12 HIGH PRESSURE COOLANT INJECTION SYSTEM4-4 (I2LA C WATER SIDE THT 21 L FOR NUCLEAR POWER REACTOSA CF THE DIRECT CYCLE BOILIN WATER TYPE, THE REACTOR COOLAPP SYSTEM EXTENDS TO AND IWLUCES THE M-171 23 REACTR BUEISOLGHAINCOLIG SYSTEM OUTERMOST CONTAI). ENT ISOLATION VALVE IN THE MAIN STEAM AT SFEEDWATER PIPIO.TH IRCIC) STEAM SIDE (SHY I)

. .. M-125 14 REACTOR CORE ISOLATION COOLI G SYSTEM . E TE RE6 AIT A BOU DO I O ED F AR OR CATER, STEA AND RADIACTIVE WASTE CONTAINISEORtONENTCFE A .CONTROL (M51Y-LC) ONLYE .6 QALNROPCASIIADIOOLEDW00TNDINANRDERYNE, SUIGMKEP1FRVIOYTEREACUCOL4T AEUPOSYSTI (RIC) WATER SIDE (SHY 2) PLANTS, SPECIFIES THAT SAFETY RELATED PRESSLIRE VESSELS, HEAT EXCHAJNGERS(TE THNTRl A)C1ESO ),TRGE AIS PIPING, PUM4PS M-126 15 STANDBY LIQUID CONTROL SYSTEM AND VALVES Of THE FOLLOWING CATE30RIES OF SECTION II I-ASME BSPV COE........7,. . . . . M-127 16 REACTOR WATER CLEANLUP SYSTEM ~

M-129 17 RIVER WATER SUPPLY STSTEM a PART OF REACTOR COOLANT PRESSURE BOUNDARY DEFINED IN B.2

(v) 2 ABOVE) BUT EICEDPER FOOTNOTE 2 OF 50.5T R WHICH STATES, KMMPONENTS M-134 ;( FUEL POOL COOLI4E AND CLEANUP SYSTEMS WHICH ARE CONNECTED TO THE REACTOR COOLANT SYSTEM A TO ARE PART OF TE REACTOR COOLANT PRESS EE BOUNDARY DEFINED IN 5 E ) I NEED NOT MEET M-142 19 CIRCULATING WATER SYSTEM THESE REQUIREMENTS, (iSECOCC CCLLSSAS) PROVIDED: 1-143 20 CONTAI WENT ATMOSPHERE CONTROL SYSTEM (1) IN THE EVENT OF POSTULATED FAILURE OF THE COMPONENT DURING NOCALREACTOR OPERATION, THE REACTOR CAN BE SHUT DOWrI AM) COOLED DOWN4 . M-144 21 WELL WATER COOLING SYSTEM1IN- AN ORDERLY ANNER, A3SYS P ESMAKEUP IS PROVIDED BY THE REACTOR COOLANT NAKEUP SYSTEM ONLY, OR - 146 22 SERVICE WATER PLH'HOUSE (2) TE COMPONENT IS OR CAN BE ISOLATED FROM THE REACTOR COOLANT SYSTEM BY TWO VALVES (BOTH CLOSED, BOTH (TPE, OR ONE CLOSED ANDTHE M-171 23 REACTOR BUILDINGT NYAC COOLINGY SYSTES . OTHER 1PEN). EACH PEN VALVE MST3 E CAPABLE OF AUT ATIC ACTUATION AND, ASSUM N THE OTHER VALVE IS APEN, ITS CLOSURE TIME MSTH -173 24 STANDBY FILTER UNIT - CONTROL BUILDING 2 INESUN THAT, IN THE ER-NT OF POSTULATED FAILURE OF THE COMPONENT DURI THEYAL REACTOR OPERATION, EACH VALVE REAINS OPERABLE AN -P184 25 MAIN STEAM ISOLATION VALVE LEAKAGE THE REACTOR CAN BE SHUT DOWN AND COOLED DOWN IN AN ORDERLY ANNER, ASSUMIN3 MAKEUP IS PROVIDED BY THE REACTOR COOLANT MAKEUP SYSTEM CONTROL.S14UAIV-LC) OOATONLY. OT

b.4 COR NOT PART OF THE REACTOR 3.(1) PTIES (E UE DRECU CPANTTOTHEURLLOWINDA THOIT FR O AC ING PPER ACR Sfl~~LS . (1) SYSTEMS OR PORTIONS OF -YSTEMS' IMPORTANT TO SAFETY THAT ARED, GE O a)EEGNYCR COI) b OTAGDNTCMAI4N SYMBOLSHEAT REM4OVAL, ON Ic) PO~iTACCIDENT FISSION PRODUACT REMOVAL. 1 (21.SYSTECS OR PORTIONS OF YSTEMS' IMPORTANT TO SAFETY THAT ARE DESIGNED FOR (a) REACTOR SFUTDOWN ORIb RESITAL C.AT REMOVAL. ASME COOE CLASS I (3) THO~SE PORTION4S OF STEAM SYSTEMS OF BOILING WATER REACTORS EXTENDING FROM THE OUTERM4OST CONTAINMENT ISOLAT ION VAL"E UP TO BUT NOT INCLLDINGTHTE TLZ81W S__OP AN) BYPASS VALVES AND CONNRECTED PIPING LIP TO AM) INCLUD)ING THE FIRST VALVE THAT IS EITHER NCIRMALLY CLOSE OR CAPABLE OF AUTOATIC CLOSURE WLRING) ALL IaZOES OF NOVAL REACTOR OPERATION. ASME- CODE CLASS 2 (41 SYSTEMS OR PORTIONS OF SYSTEMS' THAT ARE CONNECTED TO TIE REACTOR COOLANT PRESSURE BOUNDARY AN) ARE NOT CAPABLEflI BEING ISOLATED FROM THE BOUNDARY D-JR19; ALL MODES OF NIOMAL REACTOR OPERATION BY TWO VALVES, EACH OF WHICH IS EITHER NOMALLY COSED OR CAPABLE OF . . ~AUTOMATIC CLOSURE. . .. .. . . .. ASMEACOSEECLASSC30 4. REG. GUIDE 1.26 SPECIFIES THAT SA.FETY RELATED PRESSURE VESSELS HEAT EXCHANGERS (OTHER THAN TURBINES AND COOENSORS STORAIGE TANKS, PIPING, .. PUMPS AM) VALVES NOT PART OF THE REACTOR COOLANT PRESSLRE BOUNDARY AND NOT CLASS 2 BUT PART OF THE FOLLOWING CATEGOR.IES MEETE THE 44 NON-SAFETY RELATED . . REQUIREMENTS FOR CLASS 3 CCMONIEITS OF SECTION I[ I-ASmE ESPY CODE: .. : .... ~, . .... ;

.a, COOLING WATER AND) AUXILIA.RY FEEDWATER SYSTEMS OR PORTIONS OF THESE SYSTEMS IMPORTANT TO SAFETY THAT ARE DESIGNED FOR it! EMERGENCY COE CLASSIFICATION BOUNDARY - COOLING, 121 POSTACOIOENT CONTAINNENT HEAT REMOVAL, (31 POSTACCIDENT CONTAINMAENT ATMOSPHERE CLEANUP, OR (4) RES:DUAL NZAT REMOVAL FROM IINTERFACE .. - THE REACTOR AND FROM THE SPEI.T FUEL STORAGE POOL (INCLUDING PRIMARY AND SECONDARY COMLING SYSTEMS). POTIONS (OF THESI. SYSTEMS THAT TESTED ADEQUATELY SHOCULD BE CLASSIFIED AS CLASS 2.

b-COOLING WTRAM) SEAL WAYER SYSTEMS OR PORTIONS OF THESE SYSTEMS' IMPORTANT TO SAFETY THAT ARE DESIGNED FOR FUlRCTIONI',G OF COM4PONENTS ADSYSTENS IM4PORTANT TO SAFETY SUCH AS REACTOR COOLANT, PLUMPS, DIESELS, AND CONTROL RO)OM. c. YSTMS R ORTON YSEMS 1 T RE CIOSCED TO THE REACTOR COOLANT PRESSURE BOUNDARY AM) ARE CAPAB3LE OF BEIN0G ISOLA ED FROM THAT BOUNA R DUINGALL )OVES OF .74344AL REACTOR OPERATION By TWO VALVES, EACH OF WHICH IS EITHER NORMALLY CLOSED OR CAPABLC OF AUTMATIC CLOSURE,2

d. SYSTEMS, OTHER THAN P.ADIOACTI'E BASTE MANAGEMIENT SYSTEMS3

. NOT COVERED By ITEMS 4.a THBROUGHI 4.c ABOVE THAT ONTAIN OR 'AT CONTAIN RADIOACTIVE_ MATERIAL AND WHOS.: POSTULATED FAILURE WOULD RESULT IN CONSERVATIVELY CALCULATED POTENTIA FSTE DCSE THT XCEED 05REM TOTH 0Y EBOTORITEQIALN TONYFRC' THE BOOT. FOR THOSE SYSTEMS LOACATED IN SEISMIC CATEGORY I STRUCTURZES. ONLY SINGLE COMPONENT FAILURES NEED BE AS;I4LD. (HOWEVER, NO CREDIT FOR AUTOMATIC ISOLATION FROM OTHER COMPONENTS IN THE SYSTEM C~ O TREATMENT OF RELEASED MATERIAL SHOU8.LD BE TAKEN ULELESS THE ISOLATION OR TREATMENT CAPABILITY IS DESIGNED TO THE APPROPRIATE SEISMIC RE). QUALITY GROUP w ~STANDARDS AN) CAN VIIIHSTAND L 155 OF OFFSITE POWER AM) A SINGLE FAILURE OF AN ACTIVE COMPONENT.)

FOOTNOTES .

1. THE SYSTEM BOUNDARY INCLUDES THOE PORTIONS OF THE SYSTEM REQUIRED TO ACCOMIPL ISH THE SPECIFIED SAFETY FUNCTION AND CONW.CT-TD PIPING UP TO AND INJCLUDINGS THE FIRST VAVLE (IWLU~fl43 A SAFETY OR RELIEF VALVE) THAT IS EITHER NORM4ALLY CLOSED OR CAPABLE OF AUTO14ATIC CLOMtR WHEN THE SAFETY FU.NCTION IS REQUIRED,

2, COMPONENTS IN INFLUENT LINES PAY r.E OMITTED FROM CLASS 5 CLASSIFICATION PNOVIDED THEY ARE CAPABLE OF BEING ISOLATED FROM WIE REACTOR COOLANT PRESSURE BOUNDARY BY AN' ADOITIONA:. VALVE WHICH IHNIGH LEAATIGI{T INTEGRITY.

3. SPECIFIC GUIDAN4CE ON THE CLASSIFIIATION OF RADICACTIEVE WASTE IC,NAGHENT SYSTEM4S IS LNDER DEVELCOPMENT. OAELCRC I 4.IN ACOXROAIJCE WITH GENERAL NOTE 3,&III FPORTIONS OF THE REACTOR COlOLANT FRESSURE BOUNDARY THAT ARE NC*INAL PIPE CDIEROF20IHSFR .

STA ARYING SYSTENS AND 1.0 II&HES FOR WATER C.'JRYIW, SYSTEMS AR E NON-SAFETY RELATED BECAUSE OF THE ONSIECPBLTE CAHERCOR . UAEANL .. ~~~COOLANT MAKEUP,. . ~ .. ~t~A M O E C A S -.-.-- .--...--- - --. .CODE.. --.--

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