ML20076D929

Forwards Revised Page Replacement Instructions to Rev 1 to Updated FSAR

ML20076D929
Person / Time
Site:	Limerick
Issue date:	07/22/1991
From:	Beck G PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9107310074
Download: ML20076D929 (25)

Text

_ _ _. _ - . _ ._ __ _

10CFR50.71(e)(4)

. PIIILADELPIIIA ELECTRIC COMPANY NUCLEAR GROUP HEADQUARTERS 95565 CHESTERBROOK BLVD.

WAYNE, PA 19087 5691 (215) 640-6000 NUCLEAR ENGINEERING & SERVICES DEPARTMENT Docket Nos. 50-352 50-353

• License Nos. NPF-39 NPF-85 U.S. Nuclear Regulatory Commission Attn: Document Control Desk washington, DC 20555

SUBJECT:

Limerick Generating Station, Units 1 and 2 Updated Final Safety Analysis Report Revision 1 Revised Page Replacement Instructions and Reissue of Three Revision 1 Pages on June 28, 1991, we provided one original and ten copies of Revision 1 of the Updated Final Safety Analysis Report (UFSAR) for Limerick Generating Station (LGS), Units 1 and 2. UFSAR Revision 1 was provided on a page replacement basis with a list of effective pages identifying the latest revision date of all current pages. With the list of effective pages, we provided page replacement instructions for incorporating-Revision 1 into the NRC copies of the LGS UFSAR.

Subsequent to the June 28, 1991 transmittal, we identified several items in the UFSAR Revision 1 package which we wish to currect.

Several errors were identified in the page replacaraent instructions as well as a collating error and a correction to the list of effective pages.

Therefore, we have reissued the page replacement instructions (attached), and three corrected UFSAR Revision 1 pages are attached as page replacements. These pages correct a collating error in UFSAR Revision 1 Section 9.4 and an error on page 1-8 in the list of effective pages. We apologize for any inconvenience this may have caused.

If you have any questions or require further information, please contact us.

Very truly yours, f

/I[<_ M/( ,q/

f'

1. -l G. J. Beck Manager-Licensing Attachments cc T. T. Martin, Administrat a . Region I, USNRC, w/ 2 copies of atts i T. J. Kenny, USNRC Senior Desident Inspector, LGS, w/ 1 copy of atte

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'UFSAR REVISION 1 PAGE REPLACEMENT INSTRUCTION 6 g LINERICK GENERATING STATION UNITS 1 AND 2

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REKQVE PAQE INSERT-PAGE VOLUME l Text Text 1.2-21 1.2-21 Figures Figures 1.2-1 1.2-1 1.2-14 1.2-14 1.2-15 1.2-15 1,2-32 1.2-32 Table Table 1.7-1 1.7-1 Page 8 of 31 Page 8 of 31 Page 11 of 31 Page 11 of 31 VOLU13E_ 2 Text Text 1.8-7 1.8-7 1.8 9 1.8-9 1.8-13 1.8-13 O 1.8-15 1.8-17 1.8-15 1.8-17 1.8-19 1_.8-19 1.8-23 1.8-23 1.8-25 1.8-25 1.8-29 1.8-29 1.8-31 1.8-31 1.8-37 1.8 Text Text 1.13-7 1.13-7 1.13-9-- 1.13-9 Figure Figure 2.1-4 -2.1-4 Text Text 2.2-13 2.2-13 2.2-15 2.2-15 2.2-16-A Tables Tables 2.2-5 2.2-5 2.2-6 2.2-6

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[ 2.4-49 2.4-49 Page 1 of 18

UF8AR REVISION 1 PAGE REPLACEMENT INSTRUCTIONS LIMERICK GENERATING BTATION UNITS 1 AND 2 REMOVE PAGE INSERT PAGE VOLUME 2 - cont'd Figure Figure 2.4-1 2.4-1 s

VOLUME 3 Text Text 3.2-13 3.2-13 3.2-13-A Table Table 3.2-1 3.2-1 Page 22 of 44 Page 22 of 44 Page 23 of 44 Page 23 of 44 Page 43 of 44 Page 43 of 44 VOLUME 5 Text Text 3.8-17 3.8-17 Text Text 3.9-45 3.9-45 3.9-113 3.9-113 3.9-115 3.9-115 3.9-115-A -

Tables Tables 3.9-6(j) 3.9-6(j)

Page 1 of 14 Page 1 of 14 Page 2 of 14 Page 2 of 14 Page 3 of 14 Page 3 of 14 Page 4 of 14 Page 4 of 14 Page 5 of 14 Page 5 of 14 Page 6 of 14 Page 6 of 14 Page 7 of 14 Page 7 of 14 3.9-6(m) 3.9-6(m)

Page 1 of 4 Page 1 of 4 Page 2 of 4 Page 2 of 4 3.9-6(o) 3.9-6(o)

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'i UFSAR REVISION 1 PAGE REPLACEMENT INSTRUCTIONS LIMERICK GENERATING STATION UNITS 1 AND 2 REROVE PAGE INSERT PAGE VOLUME 6 - cont'd Tables - cont'd Tables - cont'd 3.9-6(q) 3.9-6(q)

Page 2 of 4 Page 2 of 4 3.9-7 3.9-7

-Page 3 of 5 _Page 3 of 5 Page 4 of 5 Page 4 of 5 Page 5 of 5 Page 5 of 5 3.9-8 3.9-8 Pages 1 through 12 Pages 1_through 12 Page 12-A of 42 Page 12-B of 42 Pages 13 through 42 Pages 13 through-42 Text Text 3A-107 3A-107 VOLUME 8 Text Text i 4.4-1 4.4-1 l >

4.4-3 4.4-3 4.4-5 4.4-5 Text Text 4.6-23 4.6-23 Figures Figures 4.6-5 4.6-5 Sheet 1 of 2 Sheet 1 of 2 4.6 4.6-6 Sheet 1 of 2- -Sheet 1 of 2 Figures Figures 5.1-3 5.1-3

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7 UFSAR REVISION 1 PAGE REPLACEMENT INSTRUCTIONS LIMERICK GENERATING DTATION UNITS 1 AND 2 REMOVE PAGE INS ERT__ PAG _E VOLUME 8 - cont'd Figures Figures 5.4-2 5.4-2 Sheet 1 of 4 Sheet 1 of 4 Sheet 2 of 4 Sheet 2 of 4 Sheet 3 of 4 Sheet 3 of 4 5.4-8 5.4-8 Sheet 1 of 2 Sheet 1 of 2 Sheet 2 of 2 Sheet 2 of 2 5.4-13 5.4-13 Sheet 1 of 8 Sheet 1 of 8 Sheet 3 of 8 Sheet 3 of 8 Sheet 4 of 8 Sheet 4 of 8 5.4-16 5.4-16 '

Shaet 1 of 4 Sheet 1 of 4 Sheet 2 of 4 Sheet 2 of 4 VOLUME 9 Text Text 6.2-3 6.2-3 6.2-9 6.2-9 6.2-11 6.2-11 6.2-11-A 6.2-25 6.2-25 6.2-31 6.2-31 6.2-33 6.2-33 6.2-73 6.2-73 6.2-87 6.2-87 6.2-93 6.2-93 6.2-95 6.2-95 6.2-97 6.2-97 6.2-105 6.2-105 6.2-113 6.2-113 6.2-123 6.2-123 Tables Tables 6.2-9 6.2-9 Page 1 Page 1 of 2 Page 2 of 2 6.2-17 6.2-17 Page 3 of 12 Page 3 of 12 Page 10 of 12 Page 10 of 12 6.2-25 6.2-25 Page 5 of 16 Page 5 of 16 Page 11 of 16 Page 11 of 16 Page 14 of 16 Page 14 of 16 Page 16 of 16 Page 16 of 16 Page 4 of 18 l

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UFSAR REVISION 1 PAGE REPLACEMENT INSTRUCTIONS LIMERICK GENERATING ETATION UNITS 1 AND 2 REMOVE PAGE INSERT PAGE VOLUME 9 - cont'd Figures Figures 6.2-19 6.2-19 6.2-20 6.2-20 6.2-36 6.2-36 Sheet 1 of 17 Sheet 1 of 17 Sheet 14 of 17 Sheet 14 of 17 Sheet 16 of 17 Sheet 16 of 17 Sheet 17 cf 17 Sheet 17 of 17 Sheet 17A of 17 6.2-47 6.2-47 Sheet 2 of 2 Sheet 2 of 2 6.2-53 6.2-53 Table Table 6.3-7 6.3-7 Page 3 of 10 Page 3 of 10 Figures Figures 6.3-7 6.3-7 Sheet 1 of 2 O. Sheet 1 of 2 Sheet 2 of 2 Sheet 2 of 2 6.3-8 6.3-8 Sheet 1 of 2 Sheet 1 of 2 Text Text 6.4-5 6.4-5 6.4-6-A 6.4-7 6.4-7 6.4-7-A 6.4-9 6.4-9 VOLUME 10 Text Text 6.6-1 6.6-1 Figure Figure 6.7-1 6.7-1 Sheet 1 of 2 Sheet 1 of 2 Table Table 7.1-2 7.1-2 Page 6 of 6 Page 6 of 6 Figures Figures 7.2-14 7.2-14 O Sheet 1 of 6 Sheet 1 of 6 Page 5 of 18

4 UFSAR REVISION 1 PAGE REPLACEMENT INSTRUCTIONS LIMERICK GENERATING STATION UNITS 1 AND 2 REMOVE PAGE INSERT PAGE VOLUME 10 - cont'd Figures - cont'd Figures - cont'd 7.2-15 7.2-15 Sheet 1 of 4 Sheet 1 of 4 Sheet 2 of 4 Sheet 2 of 4 VOLUME 11 Figures Figures 7.3-7 7.3-7 Sheet 4 of 6 Sheet 4 of 6 Sheet 5 of 6 Sheet 5 of 6 7.3-14 7.3-14 7.3-16 7.3-16 Sheet 1 of 4 Sheet 1 of 4 Sheet 2 of 4 Sheet 2 of 4 7.3-18 7.3-18 Sheet 1 of 5 Sheet 1 of 5 7.3-23 7.3-23 Sheet 6 of 16 Sheet 6 of 16 Table Table 7.4-3 7.4-3 Page 6 of 7 Page 6 of 7 Figure Figure -

7.4-1 7.4-1 Sheet 1 of 6 Sheet 1 of 6 Sheet 2 of 6 Sheet 2 of 6 Table Table 7.5-1 7.5-1 Page 2 of 3 Page 2 of 3 Text Text 7.6-39 7.6-19 7.6-91 7.6-91 7.C-93 7.6-93 Table Table 7.6-7 7.6-7 Page 1 of 2 Page 1 of 2 Page 2 of 2 Page 2 of 2 VOLUME 12 Text Text l

7.7-7 7.7-57 7.7-7 7.7-57 W

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' UFSAR REVISION 1 PAGE REPLACEMENT INSTRUCTIONS I LIMERICK GENERATING STATION UNITS 1 AND 2 EEMOVE..PAGE IHRIRT PAGE-19LUME 12 - cont'd Text - cont'd Text - cont'd 7.7-101 7.7-101 7.7-103 7.7-103 7.7-105 7.7-105 7.7-165 7.7-165 Table- Table 7.7-3 7.7-3 Figures Figures 7.7-10 7.7-10 Sheet 1 of 2 Sheet 1 of 2 Sheet 2 of 2 Sheet 2 of 2 7.7-11 7.7-11 Text Text 8.1-1 8.1-1 8.1-5 8.1-5 8.1-21 8.1-21 Figure Figure ,

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UFSAR REVISION 1 PAGE REPLACEMENT INSTRUCTIONS

[] LIMERICK GENERATING STATION

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UNITS 1 AND 2 AEKQYI_.PAGE IHAIET__EbOE l

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\v' Sheet 45 of 45 Sheet :S of 45 Page 9 of 18

UFSAR REVISION 1 PAGE REPLACEMENT INSTRUCTIONS 1

LIMERICK GENERATING STATION l UNIT 8 1 AND 2 REMOVE PAGE INSERT PAGE VOLUME 14 - cont'd Figures - cont'd Figures - cont'd 9.3-3 9.3-3 Sheet 1 of 7 Sheet 1 of 7 Sheet 7 of 7 Sheet 7 of 7 9.3-5 9.3-5 Sheet 1 of 2 Sheet 1 of 2 Text Text 9.4-1 9.4-1 9.4-2A 9.4-9 9.4-9 ,

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9.5-17 9.5-17 I 9.5-21 9.5-21  ;

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UFBAR REVISION 1 PAGE REPLACEMENT INSTRUCTIONS l

LIMERICK GENERATING STATION UNITS 1 AND 2 RE_tLQYX_.PA9I M D I R T _ P.h E YJ2LUME 14 coint ' d Table Table 9.5-13 9.5-13 Figures Figures 9.5-1 9.5-1 Sheet 1 of 10 Sheet 1 of 10 Sheet 2 of 10 Sheet 2 of 10 Sheet 3 of 10 Sheet 3 of 10 Sheet 9 of 10 Sheet 9 of 10 Sheet 10 of 10 Sheet 10 of 10 9.5-2 9.5-2 9.5-3 9.5-3 9.5-4 9.5-4 9.5-7 9.5-7 VOLUME M Text Text 9A-9 9A-9 O 9A-23 9A-27 9A-37 9A-23 9A-27 9A-37 9A-65 9A-65 9A-72-A 9A-83 9A-83 9A-105 9A-105 9A-106-A 9A-111 9A-111 9A-149 9A-149 9A-151 9A-151 9A-155 9A-155 9A-167 9A-167 9A-169 9A-169 9A-175 9A-175 9A-189 9A-189 9A-193 9A-193 9A-197 9A-197 9A-205 9A-205 9A-206-A 9A-223 9A-223 9A-229 9A-229 9A-233 9A-233 9A-237 9A-237 9A-239 9A-239 9A-241 9A-241 9A-271 9A-271 Page 11 of 18

UFSAR REVISION 1 PAGE REPLACEMENT INSTRUCTIONS LIMERICK GENERATING STATION UNITS 1 AND 2 REliOVE PAGE LNMFST PAGE VOLUME 15 - cont'd_ _

Text - cont'd Text - cont'd 9A-275 9A-275 9A-281 9A-281 9A-283 9A-283 9A-285 9A-285 9A-287 9A-287 9A-243 9A-293 9A-295 9A-295 9A-325 9A-325 9A-329 9A-329 9A-347 9A-347 9A-363 9A-353 9A-359 9A-359 9A-361 9A-361 9A-367 9A-367 Tables Tables 9A-1 9A-1 Page 3 of 15 Page 3 of 15 Page 9 of 15 Page 9 of 15

Page 10 of 15 Page 10 of 15 Page 11 of 15 Page 11 of 15 Page 15 of 15 Page 15 of 15 9A-2 9A-2 9A-4 9A-4 Page 5 of 9 Page 5 of 9 Page 6 of 9 Page 6 of 9 Page 6-A of 9 Page 9-A of 9 9A-5 9A-5 Page 6 of 11 Page 6 of 11 Page 6-A of 11 Page 7 of 11 Page 7 of 11 l

Page 7-A of 11 Page 8 of 11 Page 8 of 11 Page 11 of 11 Page 11 of 11 9A-6 9A-6 Page 4 of 9 Page 4 of 9 Page 4-A of 9 Page 5 of 9 Page 5 of 9 Page 5-A of 9 Page 9-A of 9 O

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'V UF8AR-REVISION 1 PAGE REPLACEMENT INSTRUCTIONS LIMERICK GENERATING STATION UNITS 1 AND 2 REMOVE..PAGE IRDERT PAQE-VOLUME __15 - cont'd Tables - cont'd Tables - cont'd 9A-7 9A-7 Page 4 of-9 Page 4 of 9 Page 4-A of 9 Page 5 of 9 Page 5 of 9 Page 5-A of 9 Page 6 of 9 Page 6 of 9 Page 9-A of 9 i 9A-8 9A-8 Page 5 of 11 Page 5 of 11 Page 5-A of 11 Page 6 of 11 Page 6 of 11 Page 6-A of 11 Page 11-A of 11 9A-9 9A-9 Page.6 of 12 Page 6 of 12 Page 6-A of 12 Page 7 of 12 Page 7 of 12 Page 7-A of 12 Page 12 of 12

( 9A-10 Page 12 of 12 9A-10

-Page 4 of 11 Page 4 of 11 Page 4-A of 11 Page 5 of 11 Page 5 of 11 Page 5-A of 11 Page 11 of-11 Page 11 of 11 9A-11 9A-11 Page 4 of.11 Page 4 of 11

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Page 11 of 11 Page-'11 of'11 9A-12 9A-12' Page 5.of 8 Page:S of 8 Page 5-A of 8 9A-22 9A-22 Page 5 of 9 Page 5 of 9 Page 5-A of 9 Page 6-of 9 Page 6 of 9 Page 6 A of 9 Page 9 of 9 Page 9 of 9 9A-23 9A-23 Page 5 of 11 Page 5 of 11 Page 5-A'of 11 Page 6 of 11 Page 6 of 11 Page 6-A of 11

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l UFSAR REVISION 1 PAGE REPLACEMENT INSTRUCTIONS LIMERICK GENERATING STATION UNITS 1 AND 2 ILEMOVE PAGE INSERT PAGE VOLUME 15 - cont'd Figures Figures 9A-3 9A-3 9A-4 9A-4 9A-5 9A-5 9A-6 9A-6 Sheet 1 of 2 Sheet 1 of 2 VOLUME 16 Figura Figure 10.2-1 10.2-1 Sheet 1 of 4 Sheet 1 of 4 Text Text 10.4-15 10.4-15 10.4-17 10.4-17 Figures Figures 10.4-1 10.4-1 Sheet 2 of 4 Sheet 2 of 4 10.4-2 10.4-2 Sheet 2 of 8 Sheet 2 of 8 Sheet 3 of 8 Sheet 3 of 8 Sheet 8 of 8 Sheet 8 of 8 10.4-3 10.4-3 Sheet 1 of 2 Sheet 1 of 2 10.4-5 10.4-5 Sheet 3 of 6 Shnet 3 of 6 10.4-8 10.4-8 Sheet 1 of 6 Sheet 1 of 6 Sheet 2 of 6 Sheet 2 of 6 Sheet 3 of 6 Sheet 3 of 6 Text Text 11.2-3 11.2-3 11.2-4-A Figures Figures 11.2-1 11.2-1 Sheet 1 of 2 Sheet 1 of 2 Sheet 2 of 2 Sheet 2 of 2 11.2-2 11.2-2 Sheet 1 of 2 Sheet 1 of 2 Sheet 2 of 2 Sheet 2 of 2 O

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UFBAR REVISION 1 PAGE REPLACEMENT INSTRUCTIONS LIMERICK GENERATING STATION UNITS 1 AND 2 BEliQVE PAGE INSERT PAGE VOLUME 16 - cont'd Figure - cont'd Figure - cont'd 11.4-2 11.4-2 Sheet 1 of 5 Sheet 1 of 5 Sheet 2 of 5 Sheet 2 of 5 Sheet 5 of 5 Sheet 5 of 5 VOLUME 11 Text Text 11.5-35 11.5-35 Figure Figure 11.5-1 11.5-1 Sheet 2 of 9 Sheet 2 of 9 Sheet 5 of 9 Sheet 5 of 9 Text Text 12.1-1 12.1-1 Text Text 12.2-7 12.2-7 12.2-9 12.2-9 Tables Tables 12.2-85 12.2-89 12.2-90 12.2-90 12.2-91 12.2-91 12.2-92 12.2-92 12.2-104 12.2-104 Figure Figure 12.3-19 12.3-19 Page A of 2 Page 1 of 2 Page 2 of 2 Page 2 of 2 VOLUME 18 Table of Contents Table of Contents 11-1 13-1 Text Text 13.1-1 13.1-1 13.1-3 13.1-3 13.1-5 13.1-5 13.1-7 13.1-7 13.1-9 13.1-9 Page 15 of 18

UFSAR REVISION 1 PAGE REPLACEMENT INSTRUCTIONS LIMERICK GENERATING STATION UNITS 1 AND 2 REMOVE PAGE 1FJERT PAGE YOLUME 18 - q9At'_4 Text - cont'd Text - cont'd 13.1-11 13.1-11 13.1-13 13.1-13 13.1-15 13.1-15 13.1-17 13.1-17 13.1-19 13.1-19 Table Table 13.1-2 13.1-2 Figures Figures 13.1-1 13.1-1 13.1-2 13.1-2 13.1-3 13.1-3 13.1-4 Text Text 13.2-1 13.2-1 13.2-3 13.2-3 13.2-11 13.2-11 13.2-13 13.2-13 13.2-15 13.2-15 13.2-17 13.2-17 13.2-19 13.2-19 13.2-21 13.2-21 13.2-23 13.2-23 13.2-25 13.2-25 Figure Figure 13.2-1 13.2-1 Text Text 13.4-1 13.4-1 13.4-3 13.4-3 13.4-5 13.4-5 13.4-7 13.4-7 13.4-9 13.4-9 Text Text 13.5-1 13.5-1 13.5-3 -13.5-3 Text Text ,

14.2-1 14.2-1 i O

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UFSAR REVISION 1 PAGE REPLACEMENT INSTRUCTIONS

(j . LIMERICK GENERATING STATION V UNITS l' AND 2 RKKOVE PAGE INSERT PAQI YOLUME 18 - cont'd Table Table 14.2-3 14.2-3 Page 17 of 24 Page 17 of 24

-Table of Contents Table of Contents 15-1 15-1 Text Text 15.0-9 15.0-9 15.0-13 15.0-13 15.0-14-A Tables Tables )

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Page 1 of 4 Page 1 of 4 15.0-5 15.0-5 j I

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15.6-22 1

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'_ -15.10-5-A l 15.10-7 15.10-7 Table of Contents Table of Contents 17-1 17-i 17-11 17-11 17-111 17-111 Text Text I 17.2-1:through 65 17.2-1 through 65 a

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9 UFSAR REVISION 1 PAGE REPLACEMENT INSTRUCTIONS LIMERICK GENERATING STATION UNITS 1 AND 2 REMOVE PAGE INSERT PAGE VOLUMP 19 - cont'd Figures Figures 17.2-1 17.2-1 17.2-2 17.2-2 17.2-3 17.2-3 17.2-4 17.2-4 17.2-5 17.2-5 17.2-6 17.2-6 17.2-8 17.2-8 17.2-9 17.2-9 17.2-10 17.2-10 Appendix 17.2-I Appendix 17.2-I 17.2-I 17.2-I Page 1 of 4 Page 1 of 4 Page 2 of 4 Page 2 of 4 Page 3 of 4 Page 3 of 4 Page 4 of 4 Page 4 of 4 Appendix 17.2-II Appendix 17.2-II 17.2.II-1 through 13 17.2 II-1 through 13 O

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LGB UFSAR LIST OF EFFECTIVE PAGES EARE REVISION DATE

-Table 1.3-8 Page 1 of 7 0 a/90 Page 2 of 7 0 8/90 Page 3 of 7 0 8/90 Page 4 of 7 0 8/90 Page 5 of 7 0 8/90 Page 6 of 7 0 8/90 Page 7 of 7 0 8/90 Section 1.4 Tab Text 1.4-1 0 8/90 1.4-2 0 8/90 1.4-3 0 8/90 Section 1.5 Tab Text 1.5-1 0 8/90 1.5-2 0 8/90 1.5-3 0 8/90 1.5-4 0 8/90 Section 1.6 Tab Text 1.6-1 0 8/90 Tables Table 1.6-1 Page 1 of 7 0 8/90 Page 2 of 7 0 8/90 Page 3 of 7 0 8/90 Page 4 of 7 0 8/90 Page 5 of 7 0 8/90 Page 6 of 7 0 8/90 Page 7 of 7 0 8/90 Section 1.7 Tab Text 1.7-1 0 8/90 Tables Table 1.7-1 Page 1 of 31 0 8/90 Page 2 of 31 0 8/90 Page 3 of 31 0 8/90 l

LOEP 1-7

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LIST OF EFFECTIVE PAGES O

PAGE REVISION DATE Page 4 of 31 0 8/90 Page 5 of 31 0 8/90 Page 6 of 31 0 8/90 Page 7 of 31 0 8/90 l

Page 8 of 31 1 7/91 Page 9 of 31 0 8/90 Page 10 of 31 0 8/90 l Page 11 of 31 1 7/91 Page 12 of 31 0 8/90

" age 13 of 31 0 8/90 Page 14 of 31 0 8/90 Page 15 of 31 0 8/90 Page 16 of 31 0 8/90 Page 17 of 31 0 8/90 Page 18 of 31 0 8/90 Page 19 of 31 0 8/90 Page 20 of 31 0 8/90 Page 21 of 31 0 8/90 Page 22 of 31 0 8/90 Page 23 of 31 0 3/90 Page 24 of 31 0 8/90 Page 25 of 31 0 8/90 g Page 26 of 31 0 8/90 W Page 27 of 31 0 8/90 Page 28 of 31 0 8/90 Page 29 of 31 0 8/90 Page 30 of 33 0 8/90 Page 31 of 31 0 8/90 Table 1.7-2 Page 1 of 14 0 8/90 Page 2 of 14 0 8/90 Page 3 of 14 0 8/90 Page 4 of 14 0 8/90 Page 5 of 14 0 8/90 Page 6 of 14 0 8/90 Page 7 of 14 0 8/90 Page 8 of 14 0 8/90 Page 9 of 14 0 8/90 Page 10 of 14 0 8/90 Page 11 of 14 0 8/90 Page 12 of 14 0 8/90 Page 13 of 14 0 8/90 Page 14 of 14 0 8/90 9

l LOEP 1-8 Rev.1 July /91

. LGD UFSAR e

This essential area has boon provided with redundant IIVAC equipment O to maintain the required air flows and temperatures under normal and accident conditions. For failure modo and effects analysis, neo Table 9.4-3 for both normal and accident cci.s'ttions.

The control room !!VAC system is designed to maint.an environmental conditions within the space as specified for habitability and equipment oporation under normal and abnormal operating conditions.

Thu control room, which is the only critical manned area, will not excood the comfort zona defined by ASilRAE durincJ operating or accident conditions. Equipment in the system is designed to solomic Category I requirements, except for the humidification equipment, roll filters, and electrLc duct heators (seismic Category IIA). A1.1 duct-work and supports for the safety-related systems moet seismic category I requirements. liabitability systems are further discussed in Section 6.4. l A radiation monitoring system is provided in the outsido air intake to dotect high radiation and initiato measures to ensure that personnel safety and equipmt.nt functions are not impaired and that the requirements of 10CFR20 are satisfied._ In the event of a high radiation condition, the normal outsido air supply to the control room HVAC system is diverted through the emergency fresh air filter train before being delivered to the control room. All isolation valvos in the control room HVAC system close, except those on the emergency fresh air intake. The ao operations are annuncit.ted in the control room.

The emergency fresh air filter train and the control room shielding are designed to limit the occupational dose lovel, as required by GDC 19.

The introduction of a controlled quantity of outside air maintains the control room and the other areas served by the control room HVAC system at a positive pressure with respect to surrounding areas. This positive pressure is maintained during all the plant operating conditions, except when the system is in the recirculation mode.

Offsite toxic chemical and chlorine detectors are provided at the outsido air intake to detect toxic chemical or chlorino in the environment. In the event of a high chlorino or toxic chemical concentration, all isolation valves in the control room HVAC system close automatically for chlorine or manually for all other toxic nhemicals, including those on the emorgency frash air intakes. The cue.rol room HVAC system is switched to the recirculation mode to cynie room air through the emergency fresh air falter train (cnarcoal adsorber) system. The filter system is discussed in Section 6.5.1.

9.4-15

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LGB t/J n Ag O

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l I

i INTENTIONALLY LCl'T BLAtiy 9

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, LOD UFSAR The logic of tho isolation signals with the control room IIVAC

, 'O syotem initially in the radiation isolation modo is auch that a singlo failure of the chlorino detection system could allow the filtored outsido air intake to remain open, and thus, the control room IIVAC oystem would remain in the radiation isolation modo.

Under those circumstancos, once the chlorino has boon detected and alarmed in the control room, manual action can be taken to realign the system to the chlorino isolation modo. Analysis of this ovent assumes that the system remains in the radiation isolation mode with 523 cfm of outside air being mixed with recirculated control room air for a total of 3,000 cfm being passed through the charcoal adsorbor filter trains, and that the filter han no offect on removal of chlorino. The results of the analysis indicato that, with the conttol room liVAC syntom in the radiation isolation modo, the necessity for automatic chlorino isolation is not required to satiary General Design Critorion (GDc) 19 of 10CFR50 of Appendix A, and that the control room operators would have sufficient time to don breathing apparatus after an alarm is sounded in the control room (as shown in Table 2.2-6).

!ioto: the possibility exists for a chlorino accident to occur while the control room !!VAC system is operating in the radiation isolation modo for testing purposes or as required by the Action statomont of an associated Technical Specifications Limiting Condition of operation, and likewise, a high radiation accident could occur while the control room !!VAC system is operating in the chlorino isolation modo for the same purpocos. The modo of system operation with the control room !!VAC system in those initial system configurations lo described in Sections 2.2.3, 6.4.3 and 15.6.

i i

O 9.4-15-A Rev.1 July /91

LGD UPDAR A amoku purgo system is provided with a capabi?ity to purgo the control room or auxiliary equipment room areas. In the event of g

smoke as a result of fire in the control room arcan or auxiliary equipment room arcan, the operating personnel may elect to purge the cpace by nianually switching the cupply and exhaust syntoms to PURGE, which repositions outsido air and oxhaunt darnpara no that 1001L fresh air and 1001, exhaunt air providou onco-th? ' ugh purgo ventilation until the smoke in removed; then manually ' Itch back to normal operation. The purgo nyntem is shown in Fitg to 9.4-1.

The steam flooding isolation dampora have an activo unfoty-related function in the control enclouuro llVAC cystem. The function of the dampora la to contain the steam renulting from a pipo break within the equipment compartment in which the break occuro and preclude the upread of the steam through IIVAC openingn or duct-work into adjacent opaces which may contain saf oguard equipment. The darnpero are redundant series mounted faut closing counterwolghted or opring-operated back pressure dampora. The dampers are normally open. Clnouro of the dampors is actuated by a precouro switch acnsing the rise in pressure created by the dincharge of fluid from a broken pipe. The switch activaten a solenoid which dicongages a pin and allown the damper blado to free fall or opring action into the clonuro position.

Each trouble alarm on the local control panel la alarmed in the control room as a panel group alarm. Indicating lights on the local panel identify the f ailed damper, which can be manua.lly reset to the open position.

Refer to the following sectionu for further safety considerations included in the design:

a. protection from wind and Section 3.3 tornado effects

b. Flood design Section 3.4

c. Micalle protection Section 3.5

d. Protection against dynamic Section 3.6 offccts acsociated with the postulated rupture of piping

o. Environmental design Section 3.11

f. Fire protection Section 9.5.1 1

0 9.4-16

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