ML19351D847
| ML19351D847 | |
| Person / Time | |
|---|---|
| Site: | Big Rock Point File:Consumers Energy icon.png |
| Issue date: | 11/03/1980 |
| From: | Withrow G CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.) |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| References | |
| IEB-80-11, NUDOCS 8011200143 | |
| Download: ML19351D847 (42) | |
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"T i C CORSum8f5 power j Company
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November 3, 1980 l~j m,q
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]Un Mr James G Keppler
.O Office of Inspection and Enforcement Region III J
US Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137 DOCKET 50-155 - LICENSE DPR BIG ROCK POINT PLANT - RESPONSE TO IE BULLETIN NO 80 MASONRY WALL DESIGN Consumers Power Company's 180-day response to Item 2B of IE Bulletin No 80-11 (Masonry Wall Design) for the Big Rock Point Plant is provided by the attached Bechtel Power Corporation report, titled " Big Rock Point 180-Day Response To NRC IE Bulletin No 80-11", dated October 31, 1980.
All of the masonry vall segments satisfy the re-evaluation criteria using the basic allowable stresses adjusted with an allowable stress increase factor.
The use of degraded allowable stresses in accordance with ACI-531-79 and the lack of credit for any complex vall construction joints in the re-evaluation eliminate the need for a confirmatory test program.
Gregory C Withrow (Signed)
Gregory C Withrov Senior Licensing Engineer CC Director, Office of Nuclear Reactor Regulation Director, Office of Inspection and Enforcement NRC Resident Inspector, Big Rock Point NOV 5 09T 8 021e00 % 3 1
i CONSUMERS POWER CCIGANY Big Rock Point Plant IE Bulletin 80-11 Masonry Wall Design Docket 50-155 License DPR At -the request of the Commission and pursuant to the Ato:ic Energy Act of 195h -
and the Energy Reorganization Act of 197h, as amended, and the Co==ission's Rules and Regulations thereunder, Consumers Power Company sub=its our response to Item 2B of IE Bulletin No 80-11, dated May 8,1980, entitled, " Masonry Wall Design". Consumers Power Co=pany's response is dated November 3, 1980.
CONSU!CRS POWER COMPANY By R C Youngdahl (Signed)
R C Youngdahl, Executive Vice President Sworn and subscribed to before me this 3rd day of November 1980.
Linda K Carstens (Signed)
(SEAL)
Linda K Carstens, Notary Public Jackson County, Michigan hty commission expires June 10, 1981.
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, BIG ROCK POINT 180-DAY RESPONSE TO NRC IE BULLETIN 80-11 FOR CONSUMERS POWER COMPANY 2
BIG ROCK POINT NUCLEAR PLANT 1
CHARLEVOIX, MICHIGAN I
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i By BECHTEL POWER CORPORATION ANN ARBOR POWER DIVISION Job 12447-048 October 31, 1980 i
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BRP 180-Day Response Job 12447-048 October 1980 BIG ROCK POINT 180-DAY RESPONSE TO NRC IE BULLETIN 80-11 CONTENTS i
1.
INTRODUCTION 2.
IDENTIFICATION OF SAFETY-RELATED MASONRY WALLS AND THEIR SYSTEMS WITHIN THE SCOPE OF THE BULLETIN A.
Wall Inspectjon B.
Wall Plans with Identification Numbers 3.
RE-EVALUATION PROGRAM A.
Wall Function B.
Wall Configuration C.
Wall Properties D.
Construction Practices E.
Re-Evaluation Criteria 4.
RESULTS OF RE-EVALUATION 5.
REFERENCES APPENDIXES A.
Re-Evaluation Criteria B.
Information Tables for Masonry Walls C.
Wall Plans and Details for Masonry Walls a
4 i
BRP 180-D;y R3sponso Job 12447-048 Octob2r 1980 BIG ROCK POINT 180-DAY RESPONSE TO NRC IE BULLETIN 80-11 1.
INTRODUCTION This report has been prepared in response to NRC IE Bulletin 80-11, dated May 8, 1980.
It has been pre-pared by Bechtel Power Corporation, Ann Arbor, Michigan, for Consumers Power Company's (CPCo's) Big Rock Point (BRP) Nuclear Plant.
A total of 24 masonry wall segments have been identi-fied to be within the scope of the bulletin.
A masonry wall may be composed of several segments.
For purposes of identification, total count, and re-evaluation, a masonry wall segment has been defined as a eniform, straight run of wall between support or terminal points.
2.
IDENTIFICATION OF MASONRY WALLS WITHIN THE SCOPE OF THE BULLETIN Safety-related systems, components, and structures have been generally defined as those listed on the BRP plant O list.
CPCo has designated masonry walls within the scope of NRC IE Bulletin 80-11 at the BRP plant.
CPCo has also performed a search for masonry walls in safety-related areas not shown on the design drawings.
Safety-related systems which are either attached to, penetrate, or are in proximity to masonry walls are listed in Appendix B.
For purposes of identification, proximity is defined as within an arc length equal to a masonry wall height from the base of each face of the masonry wall extending to the floor.
Furthermore, in plan view, proximity is defined by lines normal to the masonry wall extending from the ends of the masonry wall.
Proximity does not extend beyond compartments.
The masonry walls do nc generally support a struc-turally significant amount of equipment.
1
BRP 180-D2y Rmsponse Job 12447-048 October 1980 A.
WALL INSPECTION Identification of masonry walls within the scope of the bulletin was completed in July 1980.
This included a review of design drawings, the plant
~Q list, and a walkdown of safety-related areas of the plant.
A detailed inspection of masonry walls within the scope of the bulletin was completed in August 1980.
The inspection group collected, verified, and recorded information regarding the as-built condition of the masonry walls and structurally significant attachments.
The presence of safety-related items in proximity to or attached to the masonry walls was also documented.
For walls M101.3 and M101.4, ALARA considerations precluded detailed inspection.
The inspection of the accessible masonry walls established a high degree of conformance with the design documents.
The properties and configuration of these two walls were taken from the original project construction documents.
B.
WALL PLANS WITH IDENTIFICATION NUMBERS Only those masonry walls which are within the scope of the bulletin are discussed and docu-mented in this report.
Plans have been prepared to locate and number the masonry walls and are shown in Appendix C.
3.
RE-EVALUATION PROGRAM A.
WALL FUNCTIONS None of the masonry walls at the BRP plant are intended to act as shear resisting elements.
The function of each masonry wall is listed in Appendix B.
B.
WALL CONFIGURATIONS The masonry wall configurations are listed in Appendix B.
2 i
BRP le0-Day Raaponse Job 12447-048 Octobnr 1980 C.
WALL PROPERTIES The masonry wall properties used for the re-evalua-tion are derived from the masonry wall construction specifications.
Masonry blocks have full mortar coverage on horizontal masonry faces.
1)
Original Construction a)
Masonry block conforms to ASTM C 90, Grade A, with linear shrinkage limited to 0.05%, a density of 140 pounds per cubic foot, and an average compressive strength of 2,000 psi.
The compressive strength of these masonry walls is as follows:
f',
1,350 psi Mortar, M 1,800 psi g
- Grout, F'
2,000 psi b)
Shielding block conforms to ASTM C 90, Grade B, with linear shrinkage limited to 0.05%, a density of 150 pounds per cubic foot, and used an average compres-sive strength of 1,200 psi in the re-evaluation.
The compressive strength of shielding walls is as follows:
f',
1,000 psi Mortar, M 1,800 psi 2)
Uninterruptible Power Supply (UPS) Battery Room Construction Masonry block conforms to ASTM C 129 with an average compressive strength of 600 psi and a density of 140 pounds per cubic foot.
The compressive strength of these masonry walls is as follows:
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490 psi Mortar, M 750 psi g
The specific properties applicable to each masonry wall are identified in Appendix B.
3 1
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BRP 180-Day Response e'
Job 12447-048 October 1980 D.
CONSTRUCTION PRACTICES d
The masonry walls were constructed after most of the concrete walls, slabs, and structural steel framing were complete.
The masonry walls were fabricated according to the standards applicable at the time of the plant construction.
These standards included the following:
1)
Concrete masonry units according to ASTM C 90 or C 129 2)
Mortar according to ASTM C 270, Type S 3)
Cement according to ASTM C 150, Type I 4)
Lime according to ASTM C 207, Type N 5)
Sand according to ASTM C 144 6)
Aggregate for grout according to ASTM C 33 7)
Aggregate for concrete masonry units accord-ing to ASTM C 331 8)
Reinforcing bars according to ASTM A 15, and mesh reinforcing of a truss design according to ASTM A 82 E.
RE-EVALUATION CRITERIA Appendix A contains the criteria used for re-evaluation of masonry walls.
Licensing commitments contained.in the Final Hazards Summary Report (FHSR) as related to loads and load combinations are incorporated in the criteria.
In addition, the criteria recognize a potential plane of weakness at collar joints for multiwythe masonry walls.
4.
RESULTS OF RE-EVALUATION The re-evaluation has been completed for the 24 wall segments.
All of these wall segments satisfy the re-evaluation criteria using the basic allowable stresses adjusted with an allowable stress increase factor.
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BRP 180-Dsy Raaponse Job 12447-048 October 1980 s
The battery rack attachments to walls M100.14 and M100.16 will be removed.
5.
REFERENCES A.
U.S. NRC IE Bulletin 80-11, dated May 8, 1980 B.
Big Rock Point Nuclear Plant, Final Hazards Summary Report, Docket 50-155 C.
Sixty-day response to NRC IE Bulletin 80-11, Big Rock Point Nuclear Plant, dated June 30, 1980 l
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APPENDIX A CRITERIA FOR THE RE-EVALUATION OF CONCRETE MASONRY WALLS FOR THE BIG ROCK POINT NUCLEAP PLANT
Appendix A, BRP 180-Day R2cponso Job 12447-048 Octobsr 1980 APPENDIX A CRITERIA FOR-THE RE-EVALUATION OF CONCRETE MASONRY WALLS 1.
GENERAL A.
PURPOSE These criteria are provided for use in re-evaluat-ing the structural adequacy of concrete masonry walls as required by NRC IE Bulletin 80-11 dated May 8, 1980.
B.
SCOPE The re-evaluation determines whether the concrete masonry walls and/or the safety-related equipment and systems associated with the walls are capable of performing their intended function under the loading combinations prescribed herein.
Verifi-cation of wall adequacy includes a review of the local transfer of load from block into wall, the gichal response of wall, and the transfer of wall reactions into supports.
Anchor bolts and embedments for attachments are not considered to be within the scope of the evaluation.
2.
GOVERNING CODE The governing code is ACI 531-79 as modified herein.
Supplemental allowables, as specified herein, are used for cases not directly covered by the governing code.
3.
LOADS AND LOAD COMBINATIONS A.
The re-evaluation addresses the following loads and load combination:
D+L+S Where D=
dead loads, including weight of framing, roofing, floors, walls, platforms, and permanent equipment and material A-1
A i
App 3ndix A, BRP 180-Day Racponso Job 12447-048 October 1980 L=
live loads, or all loads except dead loads and lateral loads S=
a horizontal seismic loading of 0.05 g for the reactor containment, and 0.02 g for other structures 4
DESIGN ALLOWABLES A.
BASIC ALLOWABLE STRESSES 1)
Masonry Stresses a)
The basic allowable tension, compres-sion, shear, bond, and bearing stresses are given in the governing codc.
No credit is taken for inspection of the masonry walls during construction.
b)
No credit is taken for noncompressive load transfer across collar joints.
2)
Reinforcing Steel The basic allowable stresses for reinforcing steel are given in the governing code.
B.
ALLOWABLE STRESS INCREASES Stress Increase Factors The basic allowable stresses given in Paragraph 4.A are increased by 1.33 for seismic loadings.
5.
ANALYSIS AND DESIGN A.
STRUCTURAL RESPONSE OF MASONRY WALLS 1)
Wall Behavior The uncracked behavior and capacities of the walls and, if applicable, the cracked behavior of the walls are considered.
2)
Combination of Seismic Loadings The time phasing of different seismic load-ings may be considered using the square-root-of-the-sum-of-the-squares (SRSS) method.
A-2
J App 2ndix A, BRP 180-Day Rasponse Job 12447-048 Octobnr 1980 8
B.
STRUCTURAL STRENGTH OF MASONRY WALLS 1)
Boundary. Conditions Boundary conditions are determined consider-ing one-way or two-way spans with hinged, fixed, or free edges as appropriate.
Con-se.svative assumptions are used to simplify the analysis.
2)
Distribution of Concentrated Out-Of-Plane Loads a)
Two-way action Where two-way bending is present in the wall, the localized moments per unit width under a concentrated load are determined using appropriate analytical procedures for plates.
Standard solu-tions and tabular values based on elastic theory are used as applicable for the case under investigation.
b)
One-way action I
For dominantly one-way bending, inter-nal loadings.may be determined using beam theory.
3)
Stress Calculations All stress calculations are performed by conventional methods.
Simplified conser-vative analytical assumptions are used.
Methods using computer analyses are also used.
1 A-3
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Appandix B, BRP 180-Day Response L
Job 12447-048 October 1980 APPENDIX B WALL PLAl' AND INFORMATION TABLES FOR POTENTIALLY SAFETY-RELATED MASONRY WALLS The masonry wall number is defined by the drawing number followed by the wall number after a decimal.
The attached identifies safety-related equipment and systems associated with safety-related masonry walls.
The listing of systems associated with certain items is intended to reflect the primary system or systems associated with the particular item.
For certair items, a large list of systems would be required to completely define safety-related equipment in cabinets, conduits, and cable trays.
For this report, the term "various" is used to include reactor cleanup, control rod drive, shutdown cooling, reactor coolant, core-epray, emergency core cooling, and/or other systems which have circuitry combined in the conduits and cable trays noted in the attached tables.
These masonry walls do not generally support a structurally significant' amount of nonsafety-related equipment.
Therefore, attached nonsafety-related equipment and systems are not listed.
Attached ennsafety-related equipment was considered in the re-evalustion of these masonry walls.
1 B-1
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Appandix B, BRP-180-Day Rasponse Job 12447-048 October 1980 WALL M100.1 1)
Safety-related systems and equipment associated with this w&ll segment Item System Conduit Off-gas monitoring off-gas discharge off-gas monitoring monitor Switch and valves Condensate demineralizer system (CDS)
Instrumentation Off-gas monitoring 2)
Wall function and configuration This wall is 20-7/12 feet high, 20-2/3 feet wide, 8 inches thick, and is a single-wythe, hollow-core partition wall that is a part of the original con-l-
struction.
For construction details, see Figure C-4.
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Appandix B, BRP 180-D2y Response Job 12447-048 October 1980 WALL M100.2 1)
Safety-related systems and equipment associated with this wall segment Item System Instrumentation Off-gas monitoring High-pressure heater Feedwater Relief valve Feedwater Ten-inch pipe Feedwater 2)
Wall function and configuration This wall is 15-1/4 feet high, 24 feet wide, 32 inches thick, and is a four-wythe, hollow-core, shield block-out wall that is a part of the original construction.
For construction details, see Figure C-4.
6 6
e B-3 i
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Appendix B, BRP 180-Day Rusponse Job 12447-048 October 1980 WALL M100.3 1)
Safety-related systems and equipment associated with this wall segment Item System Conduit Reactor depressurization system Unir.erruptible power Reactor depressurization system supply (UPS) battery charger / inverter UPS batteries Reactor depressurization system 2)
Wall function and configuration-This wall is 9-1/3 feet high (on top), 9-5/6 feet high (on bottom), 12-1/6 feet wide, 8 inches thick, and is a single-wythe, hollow-core partition wall that is a part of the original construction.
For construction details, see Figure C-4.
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Appendix B, BRP 180-Day R3sponsa Job 12447-048 Octobar 1980 WALL M100.4 1
1)
Safety-related systems and equipment associated with this wall segment Item System Conduit Reactor depressurization system UPS battery charger /
Reactor depressurization system inverter UPS batteries Reactor depressurization system 2)
Wall function and configuration This wall is 9-1/3 feet high (on top), 9-5/6 feet high (on bottom), 12-1/2 feet wide, 8 inches thick, and is a j
single-wythe, hollow-core partition wall that is a part l
of the original construction.
For construction details, see Figure C-4.
B-5
Appsndix B, BRP 180-Day R22ponse Job 12447-048 2
Octobar 1980 WALL M100.5 1)
Safety-related systems and equipment associated with this wall segment Item' System Six-inch pipe Fire system Conduit Reactor depressurization system 2)
Wall function and configuration J
This wall is 9-1/3. feet high (on top), 9-5/6 feet high (on bottom), 9 feet wide, 8 inches thick, and is a i
single-wythe, hollow-core partition wall that is a part of the original construction.
For construction details, see Figure C-4.
i B-6
App 2ndix B, BRP 180-Day Rsoponse Job 12447-048 October 1980 WALL M100.6 1)
Safety-related systems and equipment associated with this wall segment Item System one-and-one-fourth-Fire system inch pipe UPS battery charger /
Reactor depressurization system inverter UPS batteries R9 actor depressurization system Conduit Reactor depressurization system 2)
Wall function and configuration Thit wall is 11-1/6 feet high, 8-1/6 feet wide, 6 inches thick, and is a single-wythe, hollow-core partition wall that is a part of the UPS construction.
For construction details, see Figure C-3.
1 B-7
Appandix B, BRP 180-Dny Rasponse Job 12447-048 October 1980 1
WALL M100.7 1)
. Safety-related systems and equipment associated with this wall segment i
1 Item System UPS battery charger /
Reactor depressurization system inverter UPS! batteries Reactor depressurization system Conduit Reactor depressurization system One-and 2-inch pipe Fire system 2)
Wall function and configuration i
This wall is 11-1/6 feet high, 7-1/4 feet wide, 6 inches thick, and is a single-wythe, hollow-core partition wall that is a part of the UPS construction.
i For construction details, see Figure C-3.
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Appsndix B, BRP 180-Day Racponaa Job 12447-048 October 1980 WALL M100.8 1)
Safety-related systems and equipment associated with this wall segment Item System UPS ba'.:.ery charger /
Reactor depressurization system inverter UPS batteries Reactor depressurization system Conduit Reactor depressurization system one-inch pipe Fire system 2)
Wall function and configuration This wall is 11-1/6 feet high, 12-1/6 feet wide, 6 inches thick, and is a single-wythe, hollow-core partition wall that is a part of the UPS construction.
For construction details, see Figure C-3.
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Appandix B,-BRP 180-Day R3cponne Job 12447-048 Octobsr 1980 WALL M100.9 1)
Safety-related systems and equipment associated with this wall segment Item System UPS battery charger /
Reactor depressurization system inverter UPS batteries Reactor depressurization system Conduit Reactor depressurization system One-and-one-half and Fire system 2-inch pipe Junction box Reactor depressurization system 2)
Wall function and configuration This wall is 11-1/6 feet high, 12-1/6 feet wide, 6 inches thick, and is a single-wythe, hollow-core partition wall that is a part of the UPS construction.
For construction details, see Figure C-3.
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Appsndix'B, BRP 180-Day Rasponge Job 12447-048 October 1980 WALL M100.10 1)
Safety-related systems and equipment associated with this wall segment Item System UPS battery charger /
Reactor depressurization system inverter UPS batteries Reactor depressurization system Conduit Reactor depressurization system One-and 1-1/4-inch Fire system Pi e P
2)
Wall function and configuration This wall is 11-1/6 feet high, 8-1/3 feet wide, 6 inches thick, and is a single-wythe, hollow-core pa"tition wall that is a part of the UPS construc-tion.
For construction details, see Figure C-3.
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Appandix B, BRP 180-D3y Rasponse Job 12447-048 October 1980 i
WALL M100.ll 1)
Safety-related systems and equipment associated with this wall segment Item System UPS battery charger /
Reactor depressurization system inverter UPS batteries Reactor depressurization system Conduit Reactor depressurization system one-and 2-inch pipe Fire system 2)
Wall function and configuration This wall is 11-1/6 feet high, 7-1/4 feet wide, 6 inches 4
thick, and is a single-wythe, hollow-core partition wall that is a part of the UPS construction.
For construction details, see Figure C-3.
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B-12
Appandix B, BRP 180-Day Rasponce Job 12447-048 Octobar 1980 WALL M100.12 1)
Safety-related systems and equipment associated with this wall segment Item System UPS battery charger /
Reactor depressurization system inverter l
UPS batteries Reactor depressurization system Conduit Reactor depressurization system Two-inch pipe Fire system 2)
Wall function and configuration This wall is 11-1/6 feet high,13 feet wide, 6 inches thick, and is a single-wythe, hollow-core partition wall that is analyzed as a part of the UPS construc-tion.
For construction details, see Figure C-3.
s B-13
Appandix B, BRP 180-Day Rasponse Job 12447-048 October 1980 WALL M100.13 1)
Safety-related systems and equipment associated with this wall segment Item System UPS battery charger /
Reactor depressurization system inverter UPS batteries Reactor depressurization system Conduit Reactor depressurization system Two-and-one-half-inch Fire system Pipe 2)
Wall function and configuration This wall is 11-1/6 feet high, 33-7/12 feet wide, 6 inches thick, and is a single-wythe, hollow-core partition wall that is analyzed as a part of the UPS construction.
For construction details, see Figure C-3.
B-14
Appendix B, BRP 180-D2y R22pon29 Job 12447-048 Octob3r 1980 WALL M100.14 1)
Safety-related systems and equipment associated with this wall segment Item System Two-and-one-half-and Fire system 6-inch pipe Four-and 6-inch pipe Post-incident cooling Batteries Station power Motor control center Primary coolant system /
125 V de emergency condenser system Conduit Various Cable tray Various Instrumentation Fire system -
Pressure switches Post-incident cooling Three-fourths-inch Reactor depressurization system Pipe 2)
Wall function and configuration I
This wall is 8-5/6 feet high (on top), 9-2/3 feet high j
(on bottom), 24-1/12 feet wide, 8 inches thick, and is i
a single-wythe, hollow-core partition wall that is a part of the original construction.
For construction de ta il s, see Figure C-4.
B-15
-l Appendix B, BRP 180-Day R3cponsa Job 12447-048 Octobar 1980 WALL M100.15 1)
Safety-related. systems and equipment associated with this wall segment Item System J
Two-and 1-1/2-inch Fire system j
pi o F
Supply header Fire system 2)
Wall function and configuration This wall is 8-7/12 feet high, 15-1/4 feet wide, 8 inches thick, and is a single-wythe, hollow-core partition wall that is a part of the original con-struction.
For construction details, see Figure C-4.
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B-16 I
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Appendix B, BRP 180-Day Rocponce Job 12447-048 October 1980 WALL M100.16 1
1)
Safety-related systems and equipment associated with this wall segment Item System Cable tray Station power Conduit various Batteries Station power Motor control, 125 V Station power i
Rod position motor Reactor protection system generator set Battery charger Station power Four-and 6-inch pipe Post-incident cooling system 2)
Wall function and configuration This wall is 11-1/6 feet high, 16-1/2 feet wide, 4
8 inches thick, and is a single-wythe, hollow-core partition wall that is part of the original construc-tion.
For construction details, see Figure C-4.
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l B-17
App 3ndix B, BRP 180-D2y Racponse Job 12447-048 Octob3r 1980 WALL M100.17 1)
Safety-related systems and equipment associated with this wall segment Item System Cable tray Reactor depressurization system, 2,400 V j
Four-and 6-inch pipe Post-incident cooling Conduit Reactor deprassurization system Switchgear Reactor feedwater and reactor circulation systems and station power transformers t
Electrical boxes Reactor depressurization system 2)
Wall function and configuration This wall is 11-1/6 feet high, 5 feet wide, 8 inches thick, and is a single-wythe, hollow-core partition wall that is a part of the original construction.
For construction details, see Figure C-4.
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B-18 i
Appendix B, BRP 180-Day Rasponse Job 12447-048 October 1980 1
WALL M100.18 i
1)
Safety-related systems and equipment associated with this wall segment Item System Load center, 480 V Emergency condenser inlet Motor control centers Reactor cleanup, shutdown cool-ing, and containment spray 4
Junction boxes Emergency core cooling and containment isolation Switchgear Reactor feedwater and reactor circulation systems and station power transformers i
Four-and 6-inch pipe Post-incident cooling system conduit various Cable tray Various Electrical box and Post-incident cooling system j,
meter 4
Electrical panel Reactor protection system i
One-and 2-inch pipe Fire system i
l Motor generators Reactor protection system i
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Relay boxes Various i
Station transformer, Station power 440 V l
l 2)
Wall function and configuration This wall is 20 feet high, 42 feet wide, 8 inches thick, and is a single-wythe, core-filled partition wall that was part of the original construction.
For construction details, see Figure C-4.
B-19
Appandix B, BRP 180-Day R3sponce Job 12447-048 4
October 1980 1
WALL M100.19 1)
Safet3-related systems and equipment associated with this vall segment Item System Four-and 6-inch pipe Post-incident cooling i
Two-and-one-half-inch Fire system j
pipe Cable tray Various 2)
Wall function and configuration This wall is 22 feet high, 14-7/12 feet wide, 8 inches thick, and is a single-wythe, core-filled partition wall that is a part of the original construction.
For construction details, see Figure C-4.
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I B-20
Appandix B, BRP 180-Day RS ponce Job 12447-048 Octobar 1980 WALL M100.20 1)
Safety-related systems and equipment associated with tais wall segment
~
Item System i
One-and 2-1/2-inch Fire system pipe l
Four-and 6-inch pipe Post-incident cooling Cable tray various Conduit Various 2)
Wall function and configuration This wall is 22 feet high,14-1/3 feet wide, 8 inches thick, and is a single-wythe, core-filled partition wall that is a part of the original construction.
For construction details, see Figure C-4.
)
l B-21
Appandix B, BRP 180-D3y R2sponno Job 12447-048 Octob2r 1980 WALL M100.21 1)
Safety-related systems and equipment associated with this wall segment Item System Three-and 6-inch Fire system pipe and valves conduit various cable tray various 2)
Wall furiction and configuration This wall is 22-2/3 feet high, 22-2/3 feet wide, 8 inches thick, and is a single-wythe, core-filled partition wall that is a part of the original con-struction.
For construction details, see Figure C-4.
B-22
App 3ndix B, BRP 180-D3y R3aponse Job 12447-048 Octobar 1980 WALL M100.22 4
1)
Safety-related systems and equipment associated with this wall segment Item System 4
Core spray heat Emergency core cooling system i
exchanger Two-inch conduit Emergency core cooling system 2)
Wall function and configuration This wall is 11-1/4 feet high, 6 feet wide, 8 inches thick, and is a single-wythe, hollow-core partition wall that is part of the original construction.
For construction details, see Figure C-4.
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Job 12447-048 j..'
October 1980.
WALL M101.3 i
1)
Safety-related systems and equipment associated with 1
this wall segment Item System i
Piping Primary coolant system i
i 2)
Wall function and configuration This wall is.5-1/2 feet high, 22 feet wide, 24 inches
^
thick, and is a multiwythe, solid-block shield wall that is part of the original. construction.
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App 0ndix B, BRP.180-D2y R3sponse e
Job 12447-048 October 1980 WALL M101.4 1)
Safety-related systems and equipment associated with this wa,11 segment Item System Heat exchangers Primary coolant system 2)
Wall function and configuration This wall is 10-1/4 feet high, 4-11/12 feet wide, 24 inches thick, and is a multiwythe, solid-block shield and blockout wall that is a part of the original construction.
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