ML20217M637
| ML20217M637 | |
| Person / Time | |
|---|---|
| Site: | Paducah Gaseous Diffusion Plant |
| Issue date: | 03/31/1998 |
| From: | Rifakes G UNITED STATES ENRICHMENT CORP. (USEC) |
| To: | Paperiello C NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM), NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS) |
| References | |
| GDP-98-0064, GDP-98-64, NUDOCS 9804080151 | |
| Download: ML20217M637 (41) | |
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USEC A Global Energy Company GEORGE P. RIFAKES Dir: (301) 564-3301 EXECUTIVE VicE PRESIDENT, OPERATloNS Fax: (301) 564-3208 March 31,1998 GDP 98-0064 Dr. Carl J. Paperiello Director, Office of Nuclear Material Safety and Safeguards Attention: Document Control Desk U.S. Nuclear Regulatory Commission Washington, D.C. 20555-0001 Paducah Gaseous Diffusion Plant (PGDP)
Docket No. 70-7001 Certificate Amendment Request - Update the Application Safety Analysis Report - Proposed Changes
Dear Dr. Paperiello:
By letter dated October 31,1997 (Reference 1), USEC submitted a certificate amendment request containing the Safety Analysis Report Update (SARUP) required by Issue 2 of DOE /ORO-2026,
" Plan for Achieving Compliance with NRC Regulations at the Paducah Gaseous Diffusion Plant,"
(the Compliance Plan) for NRC review and approval. USEC's October 31,1997, letter contained the following commitment:
In the absence of fire loading analyses, the DOE SAR Upgrade (KY/EM-174) assumed that a large fire is possible in the C-333-A and C-337-A feed facilities and in the C-360 toll transfer and sampling facility. Consequently, the SAR Update includes these fire scenarios, classifies the fire suppression systems in these areas as AQ, and applies TSRs. (Note that the current accident analysis in the Application SAR states that the combustible loading in these facilities is not sufficient to support a large fire that would threaten UF containment.)
6 USEC has initiated a combustible loading analysis to determine if the fire suppression systems in C-333-A, C-337-A, and C-360 can be downgraded to non-safety. If the combustible loading in these facilities is found to be sufficient to support a large fire, i
modifications will be proposed to these fire suppression systems consistent with its AQ
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classification and TSRs. However, if the combustible loading is determined to be
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insufficient to support a large fire, the SAR Update will be revised to modify the scenarios, reclassify the suppression systems as non-safety, and delete the TSR requirements. The g
results of the USEC combustible loading analysis, including any necessary changes to the Q0 SAR Update, will be submitted to the NRC by January 19,1998.
y' gbUv(
6903 Rockledge Drive. Bethesda, MD 20817-1818 Telephone 301-564 3200 Fax 301-564-3201 http://www.usec.com OfMm in I.ivermore. CA Paducah, KY Portsmouth, OH Washington, DC F '85n 38y h NBC Rif CENTEil COPY
Dr. Carl J. Paperiello March 31,1998 -
GDP 98-0064, Page 2 By letter dated January 16,1998, USEC revised the above commitment to indicate a submittal date i
of March 31,1998.
. In accordance with this commitment, the combustible loading analysis of the C-333-A, C-337-A and -
C-360 buildings has been completed and has determined that an unmitigated fire in any of these facilities would not (1) compromise the integrity of the UF primary systems or a cylinder containing
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6 UF and result in a release that exceeds offsite Evaluation Guidelines or (2) threaten the structural 6
steel or steel roof decking to' cause collapse of these buildings. Consequently, the fixed fire j
suppmssion sprinkler systems within the C-333-A, C-337-A, and C-360 buildings and the sanitary -
)
and fire water system (SFWS), including its distribution and elevated storage tank, can be eliminated 1
as AQ systems from the SAR Update submittal. to this letter provides a detailed description of the proposed changes. Revised SAR Update pages associated with this submittal are provided in Enclosure 3. Revisions to the material originally submitted with the October 31,1997, SAR Update submittal are noted by a revision bar in the left-hand page margin. In addition to these revised SAR Update pages, a revised revision log and a list of effective pages for the SAR Update submittal are also included in Enclosure 3.
Any questions regarding this matter should be directed to Steve Routh at (301) 564-3251. There are no new commitments contained in this submittal.-
' Sincerely, George P. Rifakes Executive Vice President, Operations
Enclosures:
1.
Affidavit 2.
United States Enrichment Corporation (USEC), Proposed Changes, Certificate Amendment Request, Update the Application Safety Analysis Report, Detailed Description of Change 3.
Proposed Changes, Certificate Amendment Request, Safety Analysis Report Update, Insertion / Removal Instructions, March 31,1998
- cc: Mr. Robert C. Pierson, NRC NRC Region Ill Office NRC Resident Inspector - PORTS NRC Resident Inspector-PGDP Mr. Randall M. DeVault, DOE i
Dr. Carl J. Paperiello March 31,1998 GDP 98-0064, Page 3 REFERENCES 1.
Letter from James H. Miller (USEC) to Dr. Carl J. Paperiello (NRC), Certificate Amendment Request - Update the Application Safety Analysis Report, USEC Letter GDP 97-0188, October 31,1997.
2.
Letter from James H. Miller (USEC) to Dr. Carl J. Paperiello (NRC), Notification of Change in Regulatory Commitment, USEC Letter GDP 98-0006, January 16,1998.
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OATH AND AFFIRMATION I
I, George P. Rifakes,' swear and affirm that I am Executive Vice President, Operations, of the i
United States Enriclunent Corporation (USEC), that I am authorized by USEC to sign and file with the Nuclear Regulatory Commission these proposed changes to the Safety Analysis Report Update,.
for the Paducah Gaseous Diffusion Plant, as described in GDP 98-0064, that I am familiar with the j
contents thereof, and that the statements made and matters set forth therein are true and correct to the best of my knowledge, information, and belief.
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f George P. Rifakes l
On this 31st day of March 1998, the officer signing above personally appeared before me, is known by me to be the person whose name is subscribed to within the instrument, and acknowledged that he executed the same for the purposes therein contained.
- In witness hereofI hereunto set my hand and official seal.
hbU llA ff1O Ifaurie M. Kaisley, Notary Public State of Maryland, Montgomery County [
My commission expires March 1,2002
i GDP 98-0064 Page1 of4 United States Enrichment Corporation (USEC)
Propased Changes Certificate Amendment Request Update the Application Safety Analysis Report Detailed Description of Change 1.0 Eurpose The purpose of this update is to provided revised pages to the Safety Analysis Report Update (SARUP) previously transmitted in USEC letter GDP 97-0188, dated October 31,1997, for NRC review and approval.
The purpose of the proposed revisions are to remove the fixed fire suppression sprinkler systems within the C-333-A, C-337-A, and C-360 facilities and the sanitary and fire water system (SFWS), including the distribution and elevated storage tank, as AQ systems from SAR Update. The proposed changes are the result of a combustible loading analysis of C-333-A, C-337-A, and C-360 facilities which determined that an unmitigated fire in any of these facilities would not (1) compromise the integrity of the UF6 primary systems or a cylinder containing UF6 and result in a release that exceeds Evaluation Guidelines off site or (2) threaten the structural steel or steel roof decking to cause collapse of these buildings.
2.0 Descriptina_of. Submittal The following changes are included in this submittal which modify the October 31,1997 SAR Update Certificate Amendment Request (USEC Letter GDP 97-0188). The revised pages are included in Enclosure ?.
A.
The Revision Log has been updated to reflect the changes included in this revision proposal.
' B.
A List of Effective Pages has been added to the SAR Update submittal.
C.
Section 3.15.7.2 and associated Table 3.15-2 contains the following changes:
1.
Section 3.15.7.2.1 Last bullet, reference to feed and toll transfer and sampling facilities deleted.
2.
Section 3.15.7.2.2 Last bullet, listing of buildings C-333-A, C-337-A, and C-360 as having automatic fire suppression capability deleted.
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GDP 98-0064 Page 2 0f 4 3.
Section 3.15.7.2.3 First paragraph, second sentence stating that unmitigated fire in C-333-A, C-337-A, and C-360 could lead to significant consequences. to on-site perso_nnel deleted.
' Last two sentences reworded to remove reference to sanitary and fire -
water system and this system's distribution piping, pumps, and elevated storage tank.
Second paragraph, third sentence, spelling of " density" corrected to " density".
Third paragraph, first sentence, reference to building C-360 deleted and reference to C-337 added.
The fourth and fife paragraphs discussing the sanitary and fire water system and fire protection in buildings C-333-A and C-337-A deleted. Discussion of building C-310-A in last paragraph is not needed because it is also in. the third paragraph.
4.
Section 3.15.7.2.4 Last bullet, reference to feed and toll transfer and sampling facilities deleted.
Last paragraph, " maintained relatively low" changed to
" controlled".
5.
Section 3.15.7.2.5 "and sanitary and fire water system" deleted from sentence.
6 Table 3.15-2 High Pressure Fire Water System, Facility listings, reference to building C-360 deleted.
Boundary Definition, Item 10., reference to " pressure instrumentation" and " automatic" startup of the fire water pumps deleted. (This' change is not strictly associated with the feed and toll transfer facility sprinkler system change but is required to reflect actual features of system credited in analysis and TSRs) 7.
Table 3.15-2 Sanitary and Fire Water System deleted from table. Added
" Text Deleted".
D.
Section 4.2, Table 4.2-11 contains the following changes:
1.
Table 4.2-5
' Anticipated Initiating Event " Temperature Increase" and
" Fires" deleted for all modes.
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4 GDP 98-0064 Page 3 of 4 2.
Table 4.2-11 UF Handling and Storage Facilities, External Event, Large 6
Fire, parenthetical "Only applies during Cylinder Handling and Storage mode" added to feed vaporization and processes.
(C-333-A and C-337-A) and toll sampling and transfer processes.
E.
Section 4.3.2.2.16, Large Fire (External Event) contains the following individual changes:
1.
Section 4.3.2.2.16.a Second paragraph, discussion of the fire loading assessment of feed and toll transfer and sampling facilities and statement that an unmitigated fire would not compromise the primary system integrity or result in a release of UF and would not 6
threaten the structural steel or the steel roof decking to cause a collapse of these buildings added. Deleted references to fixed fire protection systems in these buildings. Also added a more detailed discussion of administrative controls implemented prior to transfer of lube oil in the process building truck alley near the feed facilities.
2.
Section 4.3.2.2.16.e First bullet, item 7., Added detailed administrative controls implemented prior to transfer of lube oil in the process building truck alley near the feed facilities.
Second bullet, " feed, and toll transfer and sampling" facilities deleted from sentence.
Third bullet, " feed, and toll transfer and sampling" facilities deleted from sentence.
Fourth bullet, " feed, and toll transfer and sampling" facilities deleted from sentence.
F.
Technical Safety Requirements (TSRs) contains the following individual changes:
1.
TSR 2.2.3.3 Delete entire TSR (leave TSR number and blank page except for " Text Deleted")
2.
TSR 2.4.3.1.a Applicability, delete reference to toll transfer and sampling facility and TSR 2.6.3.2. Basis, second paragraph, delete discussion and reference to building C-360 from last two sentences.
3.
TSR 2.4.3.1.b Delete entire TSR (leave TSR number and blank page except for" Text Deleted")
GDP 98-0064 Page 4 of 4 4.
TSR 2.4.3.2.a
~ Applicability, delete reference to toll transfer and sampling facility and TSR 2.6.3.2. Basis, third paragraph, "and toll transfer and sampling facilities" deleted from first sentence.
' 5.-
TSR 2.4.3.2.b Delete entire TSR (leave TSR number and blank page except for " Text Deleted")
6.
TSR 2.6.3.2 Delete entire TSR (leave TSR number and blank page except for " Text Deleted")
3.0 Basis for the Revision -
~ The proposed change to the SAR Update CAR will not affect the operation of any equipment at PGDP nor will it affect any preventive of mitigative safety functions. The change only affects the SAR Update CAR and does not change any part of the SAR. This change removes the. sprinkler systems for buildings C-333-A, C-337-A, and C-360 and the sanitary and fire water system as AQ safety systems as a result of a fire hazard assessment of these facilities. The assess;nent was not available prior to the initial SAR Update CAR submission. The assessment provided documentation that an unmitigated fire in these facilities would not (1) compromise the integrity of the UF6 primary systems or cylinder containing UF6 and result in a release that exceeds Evaluation Guidelines off site or (2) threaten the structural steel or steel roofdecking to cause collapse of these buildings. In addition, with the recommended administrative controls implemented procedurally, the potential fire hazard identified at the tube oil unloading stations is adequately mitigated to ensure the integrity of the UF6 primary system as it enters the process buildings. The end result is the SAR Update CAR does not credit the sprinkler systems or sanitary and fire water system for any safety function.
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Remove Pages Insert Pages VOLUME 5 SARUP Revision Log SARUP Revision Log Remove Revision Log i
SARUP List of Effective Pages SARUP List of Effective Pages Not Included SARUP-1 through SARUP-12 SARUP Section 3.15 SARUP Section 3.15 3.15-56,3.15-57, Table 3.15-2 pages 17,18, 3.15-56,3.15-57, Table 3.15-2 pages 17,18, and 19 and 19 SARUP Section 4.2 SARUP Section 4.2 Table 4.2-5, Table 4.2-11 page 8 Table 4.2-5, Table 4.2-11 page 8 SARUP Section 4.3 SARUP Section 4.3 4-3-126,4.3-127,4.3-131 4-3-126,4.3-127,4.3-131 SARUP TSR Table of Contents SARUP TSR Table of Contents ii, iv -
ii,iv SARUP TSR 2.2 SA.RUP TSR 2.2 2.2-8 2.2-8 SARUP TSR 2.4 SARUP TSR 2.4 2.4-3, 2.4-4, 2.4-5, 2.4-6, 2.4-7, 2.4-8 2.4-3, 2.4-4, 2.4-5, 2.4-6, 2.4-7, 2.4-8 SARUP TSR 2.6 SARUP TSR 2.6 2.6-6 2.6-6 l
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March 31,1998 United States Enrichment Corporation Paducah Gaseous Diffusion Plant Safety Analysis Report Update REVISION LOG Date Description 8/18/97 Initial Issue. Included: changes to SAR Chapter 2 (changed pages only); new SARUP Sections 4.1,4.2.1 through 4.2.5,4.3.1,4.4.
10/31/97 Submittal of completely SARUP (including 8/18/97 sections unchanged), with the exception of changes to Application SAR Chapter 3. Included: changes to SAR Chapters 1 and 2 and Sections 5.2, 5.4, and 5.6 (changed pages only); complete replacement of Section 3.15, Chapter 4, and the TSRs; new Section 5.2, Appendix A.
3/31/98 Submittal to remove the fixed fire suppression sprinkler systems within the C-333-A, C-337-A, and C-360 facilities and the sanitary and fire water system (SFWS),
including it's distribution and elevated storage tank as safety (AQ) systems.
I Sections revised include: Section 3.15.7.2, Table 3.15-2, Table 4.2-5, Table 4.2-11, Section 4.3.2.2.16, TSR Table of Contents, TSR 2.2.33, TSR 2.4.3.1.a, TSR 2.4.3.1.b, TSR 2.4.3.2.a. TSR 2.4.3.2.b, and TSR 2.6.3.2. SARUP List of Effective Pages added.
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T4.2-7, Sht. 4 97Cl27(RI) 4.2-1 97Cl27 T4.2-7, Sht. 5 97Cl27(R1) 4.2-2 97C127 T4.2-7, Sht. 6 97C127(RI) 4.2 97Cl27 T4.2-7, Sht. 7 97C127(R1) 4.2-4 97Cl27 T4.2-7, Sht. 8 97Cl27(RI) 4.2-5 97C127 T4.2-7, Sht. 9 97C127(R1) 4.2-6 97C127 T4.2-7, Sht.10 97C127(R1) 4.2-7 97C127 T4.2-7, Sht.11 97Cl27(RI)
.4.2-8_
97Cl27 T4.2-7, Sht.12 97Cl27(RI) 4.2-9 97Cl27 T4.2-7, Sht.13 97Cl27(RI) 4.2-10 97C127 T4.2-7, Sht.14 97Cl27(RI) 4.2-11_
97Cl27 T4.2-7, Sht.15 97Cl27(RI) 4.2 97C127 T4.2-8, Sht. I 97Cl27(RI) 4.2-13 97Cl27(R1)
T4.2-8. Sht. 2 97C127(R1) 4.2-14 97C127(R1)
T4.2-9, Sht. I 97Cl27(R1) 4.2-15 97C127(R1)
T4.2-9, Sht. 2 97Cl27(R1) 4.2-16 97Cl27(R1)
T4.2-9, Sht. 3 97C127(RI)
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. T4.2-11. Sht. I 97C127(RI) 4.3-14 97C128 T4.2-11, Sht. 2 97C127(RI) 4.3-15 97C128 T4.2-11, Sht. 3 97C127(RI) 4.3-16 97C128 T4.2-11, Sht. 4 97C127(RI) 4.3-17 97C128 T4.2-11, Sht. 5 97C127(RI) 4.3-18 97C128' T4.2-11, Sht. 6 97C127(RI) 4.3-19 97C128 T4.2-11, Sht. 7 97Cl27(RI) 4.3-20 97C128 T4.2-11, Sht. 8 97Cl27(R2) 4.3-21 97C128
~ T4.2-11, Sht. 9 97C127(RI) 4.3 22 97C128 T4.2-11, Sht.10 97C127(R1) 4.3-23 97C128 T4.2-11, Sht. I1 97C127(RI) 4.3-24 97C128 T4.2-11, Sht.12 97C127(RI) 4.3-25 97C128 T4.2-11, Sht.13 97Cl27(R1) 4.3-26 97C128 T4.2-11, Sht.14 97Cl27(RI) 4.3-27 97C128 T4.2-11, Sht.15 97C127(R1) 4.3-28 97C127 T4.2-11, Sht.16 97C127(R1) 4.3-29 97Cl27 T4.2-11, Sht.17 97Cl27(RI) 4.3-30 97C127 T4.2-11, Sht.18 97C127(R1) 4.3-31 97C127 T4.2-11, Sht.19 97Cl27(R1) 4.3-32 97C127 T4.2-11, Sht. 20 97Cl27(RI) 4.3-33 97C127 T4.2-11, Sht. 21 97C127(R1) 4.3-34 97C127 T4.2-11, Sht. 22 97C127(R1) 97C123(R1)
T4.2-11, Sht. 23 97C127(RI) 4.3-35 97C123(R1)
T4.2-12 97Cl27(RI) 4.3-36 97C123(R1) 4.3-37 97C123(RI)
F4.2-1 97C127 4.3-38 97Cl23(RI)
F4.2-2 97Cl27 4.3-39 97C123(R1)
F4.2-3 97Cl27 4.3-40 97C123(R1) 4.3-41 97C123(RI) 4.3-1 97C127 4.3-42 97C123(R1) 4.3-2 97C127 4.3-43 97C123(R1) 4.3-3 97C127 4.3-44 97C123(R1) 97C128 4.3-45 97C123(R1) 4.3-4 97C128 4.3-46 97C123(RI) 4.3-5 97C128 4.3-47 97C123(RI) 4.3-6 97C128 4.3-48 97C123(RI) 4.3-7 97C128 4.3-49 97C123(R1) i 4.3-8 97C128 4.3-50 97C123(R1)
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97C124
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'4.3-57 97C123(R1) 4.3-100 97Cl24 4.3-58 97Cl23(R1) 4.3 101 97C124 4.3-59 97C123(RI) 4.3-102 97Cl24 4.3-60 97Cl23(R1) 4.3-103 97C124 4.3-61 97Cl23(RI) 4.3-104 97C124 4.3-62 97C123(R1) 4.3-105 97Cl24 4.3-63 97C123(RI) 4.3-106 97C124 4.3-64 97Cl23(RI) 4.3-107 97C124
'4.3-65 97C123(RI) 4.3-108 97C124 4.3-66 97C123(R1) 4.3-109 97C124 4.3-67 97C123(RI) 4.3-110 97C124 4.3-68 97C123(RI) 4.3-111 97Cl24 4.3-69 97C123(RI) 4.3-112 97C124 4.3-70 97Cl23(RI) 4.3-113 97C124 4.3-71 97C123(R1) 4.3-114 97Cl24 4.3-72 97C124 4.3-115 97Cl24 i
4.3-73 97C124 4.3-116 97C124 4.3-74 97C124 4.3-117 97C124 4.3-75 97Cl24 4.3-118 97C124 4.3-76 97Cl24 4.3-119 97C124 4.3-77 97C124 4.3-120 97C124 4.3-78 97C124 4.3-121 97C124 4.3-79 97C124 4.3-122 97C124 4.3-80 97Cl24 4.3-123 97Cl24 4.3-81 97Cl24 4.3-124 97C124 4.3-82' 97C124 4.3-125 97Cl24 4.3-83 97C124 4.3-126 97C124(RI) 4.3-84 97C124 4.3-127 97C124(R1) 4.3-85 97Cl24 4.3-128 97C124 4.3-86 97Cl24 4.3-129 97C124 4.3-87 97C124 4.3-130 97C124 4.3-88 97C124 4.3-131 97C124(R1) 4.3-89 97Cl24 4.3-132 97C124 4.3-90 97Cl24 4.3-133 97Cl24 4.3-91 97C124 97Cl25 4.3-92 97Cl24 4.3-134 97Cl25 4.3-93 97C124 4.3-135 97Cl25 SARUP-7
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l SARUP-PGDP March 31,1998 SARUP LIST OF EFFECTIVE PAGES SARUP Pa=*
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4.3-136 97Cl25 F4.3-2 97C128 4,3-137' 97C125 F4.3 97C128 4.3-138 97Cl25 F4.3-4 97Cl28 4.3-139 97C125
' F4.3-5 97C128 4.3-140 97C125 F4.3-6 97C128 4.3-141 97C125 F4.3-7 ~
97Cl28 4.3-142 97C125 F4.3-8 97C128 4.3-143 97C125 F4.3-9 97C128 4.3-144 97C125 F4.3-10 97C128 4.3-145 97C125 F4.3-11 97C123(RI) 4.3-146 97Cl25 F4.3-12 97C123(RI) 4.3-147 97C125 F4.3-13 97C123(RI) 97Cl26 F4.3-14 97C123(R1) 4.3-148 97Cl26 F4.3-15.
97C123(RI) 4.3-149 97C126 F4.3-16 97Cl23(R1) 4.3-150 97Cl26 F4.3-17 97C124 4.3-151 97Cl26 F4.3-18 97Cl24 4.3-152 97C126 F4.3-19 97C124
'4.3-153 97C126 F4.3-20 97C124 4.3-154 97C126 F4.3-21 97Cl24 4.3-155 97Cl26 F4.3-22 97Cl24 4.3-156 97C126 F4.3-23 97C124 F4.3-24 97C124 j
T4.3-1 97Cl27 F4.3-25 97Cl24 i
T4.3-2 97C127 F4.3-26 97C124 T4.3-3 97C127 F4.3 97C124 T4.3-4 97C123(R1)
F4.3-28 97C124 1
T4.3-5 97C123(RI)
. F4.3-29 97C124 T4.3-6 97C124 F4.3-30 97C124 T4.3-7 97C124 F4.3-31 97Cl24 T4.3-8 97Cl24 F4.3-32 97Cl24 T4.3-9 97Cl24 F4.3-33 97Cl25 T4.3-10 97C124 F4.3-34 97C125 T4.3-11 97C125 F4.3-35 97C125 T4.3-12 97C125 F4.3-36 97C125
T4.3-13 97C125 F4.3-37 97Cl25 T4.3-14 97C125 F4.3-38 97C125 j
T4.3-15 97C125-F4.3 97C125
. T4.3-16 97C126 F4.3-40 '
97Cl25 T4.3-17 97C126 F4.3-41 97Cl25 T4.3-18 97Cl26 F4.3-42 97C125 F4.3-43 97Cl25 F4.3 97Cl27 F4.3-44 97C125 i
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SARUP_Page RAC/Date/ Revision F4.3-45 97Cl26 4.4-1 97(.127 97C128 4.4-2 97C127 97Cl28 4.4-3 97Cl27 97C128 4.4-4 97Cl27 97C128 4.4-5 97C127 97Cl28 4.4-6 97Cl27 97Cl28 4.4-7 97Cl24 97Cl26 97Cl27 97Cl28 4.4-8 97C126 4.4-9 97Cl26 f
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SARUP-PGDP March 31,1998 SARUP LIST OF EFFECTIVE PAGES SARUP_Eage RAC/Date/Retision SARUP Paoe RAC/DatelRevision Thanear E 5.2A-40 97Cl26 I
5.2A-41 97C126 5.2-5 97C238(R1) 5.2A 97C126 5.2A-43 97Cl26 i
5.2A-1 97C126 5.2A-2 97C126 5.4-2 97C238(RI)
{
5.2A-3 97C126 5.4-6 97C238(RI) i 5.2A-4 97Cl26 5.2A-5 97Cl26 5.6-1 97C238(RI) 5.2A-6 97C126 5.6-5 97C238(RI) -
I 5.2A-7 97C126 5.6-6 97C238(RI) 5.2A-8 97Cl26
'5.6-7 97C238(RI) 5.2A-9 97Cl26 5.2A-10 97Cl26 5.2A-11 97C126 5.2A-12 97Cl26 5.2A-13 97Cl26 5.2A-14 97Cl26 5.2A-15 97Cl26 5.2A-16 97Cl26 5.2A-17 97C126 1
5.2A-18 97C126 5.2A-19 97Cl26 5.2A-20 97Cl26 5.2A-21 97Cl26 5.2A-22 97Cl26 5.2A-23 97Cl26 5.2A-24 97Cl26 5.2A-25 97Cl26 i
5.2A-26 97Cl26 5.2A-27 97C126 l
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5.2A-37 97C126 i
f 5.2A-38 97C126 5.2A-39 97Cl26 SARUP-10 L
SARUP-PGDP March 31,1998 SARUP LIST OF EFFECTIVE PAGES SARUP Pane RAC/DatelRevision SARUPlage RAC/DatelRevidon Tech =Ic=3 Safety _ Requirements 2.1-27 97C237(R2) 2.1-28 97C237(P2)
Cover Page 97C237(R2) 2.2-1 97C237(R2) 11 97C237(R3) 2.2-2 97C237(R2) iii 97C237(R2) 2.2-3 97C237(R2) l iv 97C237(R3) 2.2-4 97C237(R2)
L v
97C237(R2) 2.2-5 97C237(R2) 2.2-6 97C237(R2) 1.0-1 97C237(R2) 2.2-7 97C237(R2)
J
,1.0-2 97C237(R2) 2.2-8 97C237(R3) 1.0-3 97C237(R2) 2.2-9 97C237(R2) 1.0-4 97C237(R2) 2.2-10 97C237(R2) 1.0-5 97C237(R2) 2.2-11 97C237(R2) 1.0-6 97C237(R2).
2.2-12 97C237(R2) 1.0-7 97C237(R2) 2.2-13 97C237(R2) 2.2-14 97C237(R2) 2.1-1 97C237(R2) 2.2-15 97C237(R2) 2.1-2 97C237(R2) 2.2-16 97C237(R2) 2.1-3 97C237(R2) 2.2-17 97C237(R2) 2.1-4 97C237(R2) 2.2-18 97C237(R2) 2.1-5 97C237(R2) 2.1-6 97C237(R2) 2.3-1 97C237(R2) 2.1-7 97C237(R2) 2.3-2 97C237(R2) 2.1-8 97C237(R2) 2.3-3 97C237(R2) 2.1-9 97C237(R2) 2.3-4 97C237(R2) 2.1-10 97C237(R2) 2.3-5 97C237(R2) 2.1-11 97C237(R2) 2.3-6 97C237(R2) 2.1-12 97C237(R2) 2.3-7 97C237(R2) 2.1-13 97C237(R2) 2.3-8 97C237(R2) 2.1-14 97C237(R2) 2.3-9 97C237(R2) 1 2.1-15 97C237(R2) 2.3-10 97C237(R2) 2 1-16 97C237(R2) 2.3-11 97C237(R2) 2.1-17 97C237(R2) 2.3-12 97C237(R2) 2.1-16 97C237(R2) 2.3-13 97C237(R2) 2.1-19 97C237(R2) 2.3-14 97C237(R2) 2.1-20 97C237(R2) 2.3-15 97C237(R2) 2.1-21 97C237(R2) 2.3-16 97C237(R2) 2.1-22 97C237(R2) 2.3-17 97C237(R2) 2.1-23 97C237(R2) 2.3-18 97C237(R2) 2.1-24 97C237(R2) 2.3-19 97C237(R2) 2.1-25 97C237(R2) 2.3-20 97C237(R2)
+
2.1-26 97C237(R2) 2.3-21 97C237(R2)
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)
SARUEPage RAC/DatelRevision SARUP Pane RAC/Date/Resision 2.3-22 97C237(R2) 2.6-2 97C237(R2) 2.3-23 97C237(R2) 2.6-3 97C237(R2)
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SARUP-12
SAR-PGDP PROPOSED March 31,1998 RAC 97CO238 (R2) i l
Provides fire suppression for the withdrawal facilities in areas associated with handling liquid UF.
to minimize the likelihhod of a fire large enough to cause a breach in the UF primary system.
6 3.15.7.2.2 EnnetianM Requirements The fire protection system accomplishes the required safety functions by satisfying the following functional requirements:
Provide an average discharge density in excess of the required sprinkler discharge density for the I
cell floor and operating floor sprinkler systems in Buildings C-331, C-333, C-335, C-337, C-310, and C-315; Deliver the required discharge density to only one floor of a single building at a time; Deliver the required discharge density independent of pump operability for up to 30 min; Automatically initiates from a fire in any of the required buildings; and l
Provide automatic fire suppression capability to C-310-A to minimize the likelihood of large fires.
3.15.7.2.3 System Evaluation Automatic sprinkler systems. An unmitigated lube oil fire in Buildings C-310, C-331, C-333, l C-335, C-337, and C-315 could lead to significant consequences for on-site personnel. Based on the credible fire scenarios and an analysis of unmitigated fire effects, operator action cannot be solely relied upon to prevent or mitigate large fires. Therefore, the automatic sprinkler systems protecting these l buildings are required. The water used by the sprinkler systems is supplied by the high pressure fire water l system (HPFWS). This system has a gridded distribution piping network, several fire water pumps, and l an elevated storage tank.
A hydraulic effectiveness study was performed for the existing sprinkler systems of the cell floors in the C-331 and the C-333 type buildings, and the operating floor in C-331. The calculated minimum and l average availabia densities were identified. The existing sprinkler aystems can provide an aurage density greater than required by NFPA-13 (as described in Chapter 1, Appendix A). Available spriniler discharge densities for the cell floor in Buildings C-310 and C-315, and the operating floor in Buildings C-310, C-315, C-333, C-335, and C-337 have not been reported, but analyses of the hydraulic effectivt ness of the sprinkler systems in these buildings indicate that the systems are adequate.
High pressure fire water system. Buildings C-310, C-310-A, C-315, C-331, C-333, t'-335, l and C-337 are on the high pressure fire water system. The system design basis considers a sprinkler 2
2 operating area slightly under 6000 ft (557 m ) for a lube oil spill fire on the cell (second) floors in the process buildings. For the operating (ground) floors, the maximum sprinkler operating area was 2
2 determined to be 8400 ft (780 m ). These sprinkler operating areas for the cell and operating floors are used to define the evaluation basis fire. The highest average fire water flow rate for the evaluation basis is estimated to be 0.30 gpm/ft2 x 8400 ft2 = 2500 gpm (9.5 m'/ min) for the operating floor. The total water consumed in 30 min at this rate would be 76,000 gal (290 m'), which corresponds to about one 3.15-56
[
l t
'l SAR-PGDP PROPOSED March 31,1998 RAC 97C0238 (PJ) fourth of the capacity of the C-611-R elevated storage tank. The water-level drop in the tank for this water consumption is estimated to be 6.7 ft (2.0 m), which corresponds to a pressure reduction of 2.9 psig (120 kPa). The HPFWS fire water pumps each have a capacity that exceeds the 2500 gpm (9.5 m / min) highest 3
average fire water flow rate.
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3.15.7.2.4 System Classification The fire protection system within the process buildings is required to:
Minimize the potential for a large fire that could damage the UF. primary system integrity in the enrichment cascade; the large fire event was not considered as having the potential for exceeding the off-site EBE EGs.
l Minimize the likelihood of a large fire that could threaten UF. primary system integrity in the l
withdrawal facilities.
-l The combustible fuel loading in these facilities is controlled in accordance with the Fire Protection Program (see Section 5.4). Based on this, the fire protection systems within the scope of this section meet the criteria for classification as an AQ system.
3.15.7.2.5 Bosmdary 1
1 l-The AQ boundary for the high pressure fire water system is defined in Table 3.15-2.
3.15-57
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SAR-PGDP PROPOSED March 31,1998 RAC 97C0127 (R2)
Table 4.2-5. Example Initiating Event-Operating Mode-Hazard State Matrix.
Autoclave Autoclave open standby Heating Sampling Anticipated operating operating operating operating initiating event mode mode mode mode Hazard state Pressure increase Autoclave steam Liquid Liquid control valve fails open l
Primary system integrity Minor leaks of UF.
All states All states Liquid inside autoclave Minorleaks of UF All states All states All states Liquid 6
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SAR-PGDP PROPOSED' March 31,1998 RAC 97C0124 (RI) 2.
- No cylinder or similar weight load is moved over a cylinder containing liquid UF6 (toll transfer and sampling facility and withdrawal facilities only);
3.
No liquid-filled cylinder is moved over a closed autoclave housing a cylinder containing liquid Uh (feed facilities only);
4.
No cylinder or similar weight load is moved over the heated housings and common UF.
primary system piping between the autoclaves (feed facilities only);
5.
. Only approved cylinder handling amipment is used by qualified operators for maneuvering cylinders and other heavy loads; 6.
Cylinder cleaning requirements conform to ANSI N14.1 for cylinder cleaning; 7.
Cylinders to be filled with UFe are vetified as passing a current (within 5 years) hydrostatic pressure test; 8.-
Cylinders containing liquid UF. are staged in a designated area until solidified (this area is restricted so that routine vehicle traffic is not a: lowed-vehicles are required to support certain maintenance evolutions); and 9.
UF6 cylinders to be filled or heated are inspect d for obvious damage that could threaten their ability to withstand normal filling, heating and moving.
Autoclave steam pressure control system - maintain initial condition (normal operation, EG 5 only);
- Liquid UFs handling cranes - maintain primary system integrity (EGs 1 and 2);
Operator training for required actions - evacuate area of releases (EGs 1 and 2 only).
Based on the above essential controls, the resulting important to safety SSCs and TSRs are as
' follows:
The ' autoclave steam pressure control system and liquid UF handling equipment (cranes, scale 6
carts, C-360 elevator and levelator) are identified as important to safety SSCs. See Section 3.15 for details including safety classification.-
TSRs are provided for the autoclave steam pressure control system, liquid UF. handling cranes, scale carts, C-360 elevator and levelator, and administrative requirements for procedures and training of workers for cylinder handling requirements and evacuation actions.
- 4.3.2.2.16 Large Fire (External Event) a.-
h -inD - i=*1a=
During operations associated with withdrawal, feed, toll transfer, uampling, and cylinder handling and storage operations, the potential exists for fires to occur. Small fires can be caused by welding and burning operations, electrical failures, vehicle accidents, etc. The withdrawal operations are performed in the process buildings that house lube oil and the associated fire-related concerns are addressed in the large fire event for the cascade facilities (see Section 4.3.2.1.9).
l The feed and toll transfer facilities do not contain any signi5 cant quantities of flammable or
(
l combustible materials. - An assessment of these facilities concluded that an unmitigated fire wou!d not j
. [ compronuse primary systems integrity or result in a release of UF6. - In addition, an unmitigated fire will l '~ not threaten the structural steel or the steel roof decking to cause collapse of these buildings. The
[ assessment did not credit the sprinkler systems or manual fire fighting capabilities for the feed and toll 4.3-126 i
l
SAR-PGDP PROPOSED March 31,1998 RAC 97C0124 (RI) l transfer facilities. Compensatory administrative controls are implemented for transfer of lube oil in the l process building truck alleys near the feed facilities. The potential fire hazard is mitigated by (1) notifying l site fire services prior to lube oil deliveries, (2) fire hydrants in the immediate area are verified to be l operable prior to lube oil deliveries, and (3) a pumper truck and firefighters are present at the lube oil l unloading station during unloading operations.
The cylinders in storage yards are exposed to combustible materials (i.e., fuel) from the equipment used in the cylinder handling / storage operations. If a large fire occurs in the cylinder storage yards, it has the potential to liquefy the contents of a cylinder to the point where the cylinder could hydraulically rupture. This cylinder rupture due to a large fire could result in a significant UF release. The only 6
mitigation source provided for large fire event in the cylinder storage yards is the on-site fire department.
The plant Fire Protection Program (which includes the on-site fire department) is described in Chapter 5.4 and provides a high degree of protection against fires that could occur within the cylinder storage yards.
The following preventive controls are used to minimize the potential for a large fire occurring during cylinder handling / storage operations:
The presence and introduction of flammable and combustible materials in the cylinder yards are controlled by approved procedures.
1.
The following sources of flammable and combustible materials, as a minimum, are considered in the development of these procedures: cylinder handling equipment, adjacent vehicle traffic (including fuel trucks), any potential refueling operations, etc.;
2.
The following protection schemes, as a minimum, are considered in the development of these procedures: passive barriers, spatial separation, inspections, and other standard fire prevention practices; Daily inspection (when used) of cylinder handling equipment for obvious visual defects associated with the lifting system and potential fuel / hydraulic leaks; Communication capability between the cylinder handling operators and with the fire department / emergency response personnel is available; and l
Only approved cylinder handling equipment is used by qualified operators for maneuvering UF 6
cylinders or other heavy loads.
Should all of these measures fail, it is assumed that a fire could be initiated during cylinder handling operations, due to vehicle racidents, or due to a small aircraft crash and sufficient heat added such j
that the integrity of the cylinders could be compromised from the fire. The scenario during handling operations is the most likely method because of the proximity of the handling equipment to the cylinders (i.e., administrative controls are in place to control the presence of any other significant fuel source).
Cylinder handling equipment is made like other large industrial equipment (e.g., cranes), and failure modes leading to fires would be similar. It is assumed that a line containing combustible fuel (i.e., fuel, j
hydraulic, lube oil) fails and releases fuel onto a hot surface, causing ignition of the fuel. Although some of the fuel would be burned up as it comes out or the line, it is assumed the remainder of the fuel also catches fire as well and starts to form a pool or flows in such a way that an entire cylinder is engulfed in the fire long enough tc cause cylinder failure as a result of the hydraulic pressures generated. Operator response to the event (ie., evacuate immediate area and contact emergency response personnel) will occur quickly, and emergency reconse personnel will respond quickly. If emergency response is not sufficient I
to prevent cylinder failure, it is assumed for analysis purposes that a cylinder will fait due to liquefaction of the UF and hydraulic pressures generated.
4.3-127
H SAR-PGDP PROPOSED March 31,1998 RAC 97C0124 (RI) l 3.
Communication capability between the cylinder handling operators and with the fire department / emergency response personnel is available;
.)
4.
Only approved cylinder handling equipment is used by qualified operators for maneuvering UF cylinders or other heavy loads; 6
5.
Operator training for required actions; 6.
' Fire Protection Program (which includes on-site fire department); and 7.
Prior to and during lobe oil deliveries in the process building truck alley near the feed facilities (1) the Fire Department will be notified, (2) the fire hydrants in the immediate area will be verified operable, and (3) a pumper truck and firefighters will be present during tube oil unloading operations.
Fixed fire suppression systems in withdrawal facilities-prevent large fires (initial condition assumption, EG 5 only).
- Based on the above essential controls, the resulting important to safety SSCs and TSRs are as follows:
i l
The fixed fire suppression systems in withdrawal facilities are identified as important to safety SSCs. See Section 3.15 for details including safety classification.
l'*.
TSRs are provided for the fixed fire suppression systems in withdrawal facilities; and administrative requirements for the Iite Protection Program and for procedures and training of workers for actions to be taken.
1 4.3.2.2.17 Plugged / Blocked Process Line (Pressure Increase) -
a.
Scenario Description In the compression loop operating mode, a blockage of the Normetex pump discharge line could cause a failure of the primary system due to high pressures that can be generated by the Normetex pump.
j This evcat is categorized in the AE frequency range because it could be caused by a single active failure
? (inadvertent closure of the dischaige isolation valve). The centrifugal pumps used in the C-315 withdrawal facilities are not subject to this failure scenario due to their diiferent design and operating characteristics.
The discharge line of the Normetex pump could become blocked due to initiators such as the formation of solidified UF. plug or an inadvertent valve closure. The most severe transient associated with this event would occur with a fast closure of the pump's discharge valve. Should the discharge line become
- blocked and no preventative actions are taken, the Normetex pump would continue to increase pressme which could lead to a failure of the primary system's physical integrity (e.g. leak or rupture).' However, if the process line became blocked, the Normetex pump high discharge pressure shutdown system would detect the pressure increase in the process line and trip the compression source. This action would stop the
. transient and prevent failure of the primary system's physical integrity. In addition to this active system,
[.
. the passive features of the primary system piph.g would also be required to minimize the likelihood of a
- loss of physical integrity. Tliese components must be designed to withstand the transient conditions i described without failure.
The ' primary :oncern associated with the plugged / blocked process line event is the primary system pressure increase ast aiated with the blockage of the Normetex pump discharge. The applicable EGs (see 4.3-131
1 TSR-PGDP PROPOSED March 31,1998 RAC 97C0237(R3)
CONTENTS SECTION 1.0 USE AND APPLICATION.................................. 1.0-1
1.1 INTRODUCTION
1.0-1 1.2 DEFINITION OF TERMS...........................
1.0-1 1.3 TIME INTERVALS FOR SURVEILLANCE............
1.0-4 1.4 LIST OF ACRONYMS....................
1.0-4 1.5 INTENT OF TE RM S..........................................
1.0-5 1.6 GENERAL APPLICATION...........
1.0-5 1.6.1 SAFETY LIMIT.
1.0-5 i
1.6.2 OPERATING LIMITS.................
1.0-5 1.6.2.1 Lhniting Control Settings............................ 1.0-5 1.6.2.2 Lhniting Conditions for Operation...................... 1.0-5 1.6.3 SURVEILLANCE REQUIREMENTS...............
1.0-6 1.6.4 CONDITIONS OUTSIDE TSR,
1.0-7
. SECTION 2.0 FACILITY SPECIFIC TECHNICAL SAFETY REQUIREMENTS...... 2.1-1 1
2.1 SPECIFIC TSRs FOR CASCADE FACILITIES (C-331, C-333, C-335, & C-337).. 2.1-1 i
2.I.1 OPERATIONAL MODES,................................. 2.1-1 2.1.2 SAFETY LIMITS..
2.1-2 2.1.3 LIMITING CONTROL SE*ITINGS, LIMITING CONDITIONS FOR OPERATION, SURVEILLANCE REQUIREMENTS 2.1-3 2.1.5.1 UF. Compressor Motor Manual Trip System..........
2.1-3 2.1.3.2 Motor Load Indicators............................
2.1-8 2.1.3.3 Criticality Accident Alarm Systems
....................2.1-10 2.1.3.4 UF. Release Detection System........................ 2.1-15 2.1.3.5 Fire Protection System - Building Sprinkler System......... 2.1 - 18 2.1.3.6 Moderation Control............................... 2.1-20 i
2.1.3.7 Removed Equipment With Deposits.................... 2.1-24 2.1.4 DESIGN FEATURES...
. 2.1-26 2.2 SPECIFIC TSRs FOR FEED FACILlTIES (C-333-A and C-337-A).
2.2-1 2.2.1 OPERATIONAL MODES..............
2.2-1 l
2.2.2 SAFETY LIMITS.................
2.2-3 2.2.2.1 UF. Cylinder Temperature....................
2.2-3 2.2.3 LIMITING CONTROL SETTINGS, LIMITING CONDITIONS FOR OPERATION, SURVEILLANCE REQUIREMENTS 2.2-4 2.2.3.1 Autoclave High Pressu-e Isolation System................. 2.2-4 2.2.3.2 Remote Feed Isolation System..................
2.2-6 l
2.2.3.3 Text Deleted.......
2.2-8 2.2.3.4 High Cylindar "n ssare System 2.2-9 2.2.3.5 Autoclave Water Inventory Control System.............. 2.2-11 2.2.2.6 Criticality Accident Alann Systems 2.2-12 2.2.3.7 Autoclave Steam Pressure Control System................ 2.2-16 2.2.4 DESIGN FEATURES....................................
2.2-18 2.2.4.1 Liquid UF, Cylinder Handling Cranes
..... 2.2-18 i
11 i-L
TSR-PGDP PROPOSED March 31,1998 RAC 97C0237 (R3) 2.6.3 LIMITING CONTROL SETTINGS, LIMITING CONDITIONS FOR OPERATION, SURVEILLANCE REQUIREMENTS 2.6-4 2.6.3.1 Autoclave High Pressure Isolation System.
2.6-4 l
2.6.3.2 Text Deleted......
2.6-6 2.6.3.3 High Cylinder Pressure System..............
2.6-7 2.6.3.4 - Autoclave Water Inventory Control System 2.6-9 2.6.3.5 Criticality Accident Alarm Systems
- 2. 6-10 2.6.3.6 UF Release Detection System - Zone 1 and Zone 4........,, 2.6-14 2.6.3.7 Autoclave Steam Pressure Control System.............
2.6-18 2.6.4 DESIGN FEATURES................................
. 2.6-20 2.6.4.1 UF. Cylinders....
... 2.6 20 2.6.4.2 Liquid UF. Cylinder Handling Cranes
.. 2.6-21 2.6.4.3 Liquid UF. Cylinder Handling Elevator
- 2. 6-22 2.6.4.4 Liquid UF. Cylinder Handling Levelator.......
........ 2.6-23 2.6.4.5 Liquid UF. Cylinder Handling Scale Carts...............
- 2. 6-24 SECTION 3.0 ADMINISTRATIVE CONTROLS.....................
3.0-1 3.1 -
RESPONSIBILITY..
3.0-1 3.2 ONSITE AND OFFSITE ORGANIZATION.................
3.0-1 3.3 FACILITY STAFF QUALIFICATION.....
3.0-4 3.4 TRAINING.....................
3.0-4 3.5 REVIEWS, ASSESSMENTS, AND AUDITS.....
3.0-4 3.6 TECHNICAL SAFETY REQUIREMENTS (TSR) BASES CONTROL......
3.0-4 3.7 EFFECTS OF NATURAL PHENOMENA............................ 3.0-4 3.8 PROCESS VENTILATION AND OFF-GAS............
3.0-5 3.9 PROCEDURES.....................
3.0-5 3.9.1 SCOPE...............................................
3.0-5 3.9.2 REVIEW AND APPROVAL.
3.0-5 3.9.3 TEMPORARY CHANGES..............................
3.0-5 3.10 PLANT OPERATIONS REVIEW COMMITTEE (PORC)..........
3.0-6 3.10.1 MEMBERSHIP..
3.0-6 3.10.2 QUALIFICATIONS...
3.0-6 3.10.3 MEETING FREQUENCY AND QUORUM................
3.0-7 3.10.4 FUNCTIONS..........................................
3.0-7 3.10.5 RESPONSIBILITIES 3.0-7 I
3.10.6 RECORDS...
3.0-8 3.11 NUCLEAR CRITICALITY SAFETY PROGRAM..
3.0-8 3.12 FIRE PROTECTION PROGRAM..
3.0-9 3.13 RADIATION PROTECTION PROGRAM...................
3.0-9 3.14 RADIOACTIVE WASTE MANAGEMENT PROGRAM 3.0-9 3.15 MAINTENANCE 3.0-9 3.16 ENVIRONMENTAL PROTECTION PROGRAM..................... 3.0-10 3.17 PACKAGING AND TRANSPORTATION PROGRAM
.... 3.0-10 3.18 CHEMICAL SAFETY PROGRAM...............................
3.0- 10 3.19 OPERATIONS......
3.0-10 3.20 ACCIDENT ANALYSIS...
.. 3.0-11 3.21 SHARING OF FACILITIES, STRUCTURES, SYSTEMS, AND COMPONENTS..
.... 3.0-11 3.22 UTILITIES ESSENTIAL TO RADIOLOGICAL SAFETY............... 3.0-11 iv
TSR PGDP PROPOSED March 31,1998 RAC 97C0237(R3) l 2.2.3.3 Text Deleted 0
2.2-8
4 TSR-PGDP PROPOSED March 31,1998 RAC 97C0237 (R3) 2.4.3 LIMITING CONTROL SETTINGS,. LIMITING CONDITIONS FOR OPERATION, SURVEILLANCE REQUIREMENTS - 2.4.3.1 Fire Protection System - Fire Water Pumps 2.4.3.1.a High Pressure Fire Water System Pumps l' APPLICABILITY:
Whenever any one of the cascade, purge and product withdrawal, or tails l
withdrawal facility sprinkler systems is required to be OPERABLE per TSR j.
2.1.3.5, 2.3.3.2, or 2.5.3.2 respectively.
LCO:
At least two high pressure fire water system (HPFWS) pumps shall be OPERABLE.
ACTIONS: TSR 1.6.2.2.d does not apply.
CONDITION REQUIRED ACTION COMPLETION TIME A. Only one HPFWS pump A.1 Initiate and continue efforts to restore a IMMEDIATELY OPERABLE.
second HPFWS pump to OPERABLE status.
B. No HPFWS pump B.! Verify that the HPFWS C-611-R storage IMMEDIATELY OPERABLE.
tank is OPERABLE.
AND B.2 Provide alternative means of fire water 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> supply.
SURVEILLANCE REQUIREMENTS:
SURVEILLANCE FREQUENCY SR 2.4.3.1.a-1 Manually start HPFWS fire water pumps locally and from C-Monthly 300.
SR 2.4.3.1.a-2 Verify adequate diesel fuel supply for HPFWS diesel fire Monthly water pump in C-631-3 pump house.
SR 2.4.3.1.a-3 Verify water level in the C-631-2 RCW cooling tower basin Monthly is within five feet of the top of the basin.
SR 2.4.3.1.a-4 Verify HPFWS fire water pump flow is a 2500 gpm at rated Annually pressure.
BASIS.
The fire protection system is provided to mitigate a ;ube oil fire that could cause a potential threat to
. primary system integrity with the potential for onsite and offsite consequences. The fire protection system
' is divided into three areas: the fire protection system pumps; the building sprinklers; and elevated water 2.4-3
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TSR-PGDP PROPOSED March 31,1998 RAC 97C0237 (R3)
{
.. storage tanks. The HPFWS pumps are designed to provide both makeup to the high level storage tank and system pressure and flow if the high level tank is not available. Each HPFWS pump has a flow capacity of approximately 4000 gpm which is sufficient to meet the accident analysis assumption of 2500 gpm.
The requirement for the HPFWS pumps to supply 2500 gpm for 30 minutes is based on available discharge densities and the sprinkler operating areas determined for the evaluation basis fire. The highest average fire water flow rate is assumed to be 0.30 gpm/ft x 8,400 ft2 = 2,500 gpm for the process building floor. The 2
l ' HPFWS provides fire water to the cascade and withdrawal buildings (as well as other facilities not covered
.'l by this TSR).
1 PGDP has a total of 4 fire water pumps located in the C-631-1 pump house and the C-631-3 pump house.
l There are three electric pumps (two in C-631-1 and one in C-631-3) and I diesel pump (in C-631-3). The l
electric fire pumps are normally in a standby condition, ready to start as the level in the high level storage i
l-tank decreases. The diese? powered pump also auto starts when tank level drops. The automatic start l
feature is not required for pump operability. The minimum required ' diesel fuel supply for the diesel backup pump to ensure that this pump can perform its required safety function is 50 gallons.
l The pumps in C-631-1 and C-631-3 pump houses take suction from the C-631-2 RCW cooling tower basin.
Alternative flow can be accomplished by utilizing available fire trucks, hoses, hydrants, and any other means determined to be appropriate by the Authority Having Jurir 4 ction (AHJ). This arrangement provides' adequate diversity to ensure ready availability of makeup 5 ater to the elevated tank. [SAR Section 3.15.7.2]
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TSR-PGDP PROPOSED March 31,1998 RAC 97C0237(R3) l 2.4.3.1.b Text Deleted i
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P SED March 31,1998
.A.
C C0237(R3) :
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TSR-PGDP PROPOSED March 31,1998 RAC 97C0237 (R3) 2.4.3.2 Fire Protection System - Fire Water Storage Tanks 2.4.3.2.a High Pressure Fire Water System Storage Tank l APPLICABILITY:
Whenever one of the cascade, purge and product withdrawal or tails withdrawal l
facility sprinkler systems is required to be OPERABLE per TSRs 2.1.3.5,2.3.3.2, l
or 2.5.3.2 respectively.
LCO:
The HPFWS C-611-R storage tank shall be OPERABLE.
ACTIONS: TSR 1.6.2.2.d does not apply.
CONDITION REQUIRED ACTION COMPLETION TIME I
A. The HPFWS storage A.1 Restore tank to OPERABLE status.
2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> tank is inoperable.
B. REQUIRED ACTION B.1 Verify at least two HPFWS pumps are IMMEDIATELY A.1 not accomplished.
]
B.2 Restore normal system pressure.
4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> C. REQUIRED ACTION C,1 Provide alternate means of fire water 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> -
B.1 or B.2 not '
- supply, accomplished.
SURVEILLANCE REQUIREMENTS:
SURVEILLANCE FREQUENCY SR 2.4.3.2.a-1 Verify that the HPFWS C-611-R storage tank level is a Monthly 1
90% full and is valved to the distribution system.
SR 2.4.3.2.a-2 Visually inspect the exterior of the HPFWS C-611-R fire Annually water storage tank.
BASIS:
The HPFWS C-611-R storage tank is designed to supply sufficient pressure to provide flow through the building sprinklers. This pressure is assured by the height of the tank (265 feet at the tank bottom). The tank holds 270,000 gallons of water (at 90% full) and is capable of providing the necessary flow rate to the sprinklers for approximately 100 minutes. The accident analysis for a large fire in the cascade facilities requires a flow period of 30 minutes. Makeup to the elevated tar.k comes from the one or more of the four HPFWS pumps which are designed to start sequentially as the elevated tank level declines.
When the tank is isolated, the system pressure would normally be maintained by the HPFWS jockey pump.
If HPFWS jockey pump is not available, pressure would be maintained by one of the other HPFWS pumps.
l For the withdrawal facilities, fire protection is provided to prevent a large fire from occurring. A large fire could rupture a cylinder. [SAR Section 3.15.7.2]
2.4-7 I
TSR-PGDP PROPOSED March 31,1998 RAC 97C0237(R3) l l 2.4.3.2.b Text Deleted t
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TSR-PGDP PROPOSED March 31,1998 RAC 97C0237(R3) l 2,6.3.2 Text Deleted 2.6-6