ML20216H404

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Forwards Revs to Byron,Dresden,Lasalle & Zion Station OCDM, Current as of 971231,ODCM Manual & Summary of Changes Included
ML20216H404
Person / Time
Site: Dresden, Byron, Braidwood, Quad Cities, Zion, LaSalle  Constellation icon.png
Issue date: 03/13/1998
From: Sager D
COMMONWEALTH EDISON CO.
To:
NRC (Affiliation Not Assigned), NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20216H409 List:
References
NUDOCS 9803230006
Download: ML20216H404 (25)


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g Osmmonwealth liliwn Company l 400 Opus I' lace ikiwners Gnn e, ll. (d)515 5701 March 13,1998 Document Control Desk Director of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Mail Station PI-137 Washington, D.C. 20555

Subject:

Summary of Offsite Dose Calculation Manual Revisions, January - December 1997 Attachment I contains a summary of the changes made to the Commonwealth Edison Company (Comed) Offsite Dose Calculation Manual (ODCM) during the period of January through December 1997.

Manual changes were submitted to your ofS s part of the normal controlled document distributions. However, in accordance with Tecunical Specifications, an entire copy of the ODCM, current as of December 31,1997, is also provided as Attachment II.

Please contact Eileen Murphy at (630) 663-3817 if you have any questions regarding the ODCM.

Sincerely, d [_ '

David -ger Vice President Generation Support ,

cc: NRC Region Ill w/out Attachment 11 G. F. Dick, Braidwood/ Byron Project Manager - NRR, w/out Attachment 11 J. F. Stang, Dresden Project Manager - NRR, w/out Attachment II l D. Skay, LaSalle Project Manager - NRR, w/out Attachment 11 R. M. Pulsifer, Quad Cities Project Manager - NRR, w/out Attachment II C. Y. Shiraki, Zion Project Manager - NRR, w/out Attachment il rg' s

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4 bec: A. Haeger / T. Johnson, w/out Attachment II J. Bauer / D. Thompton, w/out Attachment 11 L. Aldrich / P. Moore, w/out Attachment 11 N. Hightower / T. Greene, w/out Attachment 11 P. Behrens / R. Wiebenga, w/out Attachment 11 R. Svaleson, w/out Attachment II E. Katzman / E. Zirnhelt, w/out Attachment II W. Cari / E. Murphy, w/out Attachment 11 l

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ATTACitMENT I Changes to Site Annexes of the ODCM 1

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Attachment I Summarv of ODCM Revisions by Station:

Sation Chaoter. Revision Number Revision Date Byron Chapter 10, Revisioni.3 February 1997 Chapter 11, Revision 1.4 February 1997 Chapter 1 I, Revision 1.5 October 1997 Chapter 12, Revision 1.4 February 1997 Chapter 12, Revision 1.5 October 1997 Dresden Chapter 10, Revision 1.9 January 1997 Chapter 11, Revision 1.2 January 1997 Chapter i1, Revision 1.3 December 1997 Chapter 12, Revision 1.3 January 1997 Chapter 12, Revision 1.4 May 1997 Chapter 12, Revision 1.5 August 1997 Chapter 12, Revision 1.6 December 1997 LaSalle Chapter i1, Revision 1.9 March 1997 Zion Chapter 10, Revision 1.9 January 1997 Chapter 12, Revision 1.8 January 1997 Chapter 12, Revision 1.9 October 1997 Appendix F, Revision 1.1 October 1997 4

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ATTACilM ENT 11 Comed ODCM Current as of December 31, ~1997

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Byron Station Chapter 10 Change Summary ODCM Revision 1.3, February 1997 Page 10-1 Removed page revision index. No longer are individual pages revised. The revision number for the index is assigned to the chapter.

Page 10-11 Updated page numbers.

Page 10-iii Updated page numbers. Corrected system designator for Essential Service Water.

Page 10-v Updated page numbers.

Page 10-1 Removed specific UFSAR Chapter numbers due to a UFSAR revision in progress that affects Chapter

11. Deleted information concerning low, mid, and high noble gas channels from section 10.1.2.1 since that information applied to the WRGM monitors, not the 1(2)RE-PR028 monitors. Added that the 28's provide noble gas monitoring.

Changed reference _to UFSAR from "Section" to

" Chapter" to be consistent with the wording used in the UFSAR.

Page 10-2 Removed specific UFSAR Chapter numbers due to a UFSAR revision in progress that affects Chapter

11. Updated the high alarm tunction for monitors 1 (2 ) RE-PR027.

Page 10-3 Removed specific UFSAR Chapter numbers due to a UFSAR revision in progress that affects Chapter

11. Updated the high alarm function for monitor ORE-PR026. Removed statement concerning a procedural limit on the release rate trom section 10.1.3.1.2; this is covered in Section 10.1.3.2.

Changed the 1/4% in section 10.1.3.1.1 to 0.25%

to make reading the value easier.

Page 10-4 Removed statement concerning a procedural limit on the release rate trom section 10.1.3.1.3; this is covered in Section 10.1.3.2.

Page 10-5 Removed from 10.1.3.2 the specific release rate limit indicated in station procedures. This limit is not specifically used in all procedures; however, the limit used stijl ensures the station maximum release rate is not exceeded when releasing from multiple sources. Removed default fan flows listed in section 10.1.3.5. Fan flows J

are estimated trcm operating fan combinations; standard defaults are not normally used.

Page 10-6 Removed specific UFSAR Chapter numbers due to a UFSAR revision in progress that affects Chapter

11. Changed reference to UFSAR trom "Section" to

" Chapter" to be consistent with the wording used in the UFSAR. Corrected system designator for Essential Service Water.

Page 10-7 Removed specific UFSAR Chapter numbers due to a UFSAR revision in progress that affects Chapter

11. Changed reference to UFSAR from "Section" to

" Chapter" to be consistent with the wording used in the UFSAR. Clarified wording in section 10.2.3.1 to give a generic overview of the purpose of setpoint calculations.

Pages 10-7,8,9 Regrouped information as it applies to specific liquid monitors. Added clarifying information.

Page 10-9 Revised wording for determining liquid dilution flow rates to agree with Admin Tech Requirements.

Page 10-10 Clarified information under "other monitors" to include release monitors during non-release times and updated section to include the current process to determine isotopic mixtures for setpoint calculations. Removed specific reference to Cs-137 for the use in determining conversion factors. The source used is dependent on the monitor. Deleted reference to Figure 10-4.

Page 10-11 Corrected the percent for Kr-87. Originally typed as 00.4 instead of 0.04.

Page 10-14 Inserted dotted lines indicating an occasional flowpath from the gland steam condensers due to a modification being conducted to the system.

Page 10-15 Inserted dotted lines indicating an occasional flowpath through the evaporators. Corrected spelling error of " evaporators".

Page 10-17 Deleted Figure 10-4, Simplified Solid Radwaste Processing Diagram.

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l-Byron Station Chapter 11 Change Summary ODCM Revision 1.4, February 1997 l

Page 11-1 Removed page revision index. No longer are individual pages revised. The revision number for the index is assigned to the chapter.

l Page 11-2 Revised radiciodine canister collection and analysis frequency to biweekly.

I Page 11-6 Added well water location BY-32, due to an ANI

( auditor request to have a well water location between the site and the Rock River.

l Page 11-7 Corrected spelling error of " quadrant".

Page 11-9 Corrected title of Health Physics Support Director to Radiation Protection Director.

Page 11-13 Added well water location BY-32 to the map.

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Byron Station Chapter 11 Change Summary l

ODCM Revision 1.5, October 1997 l l

Page Change Descriotion 11-i Updated revision number 11-2 through 11-7 Updated the distances for the sampling and monitoring locations listed in Table 11-1 based on the results of a verification survey performed in August,1997. The survey was performed using a Global Positioning System (GPS) identifying the latitude, longitude and distance from the Station Vent Stack for each location.

11-3 Corrected the sector designator and direction for airborne control sample BY-8. The saraple location is very close to the edge of sectors P and Q, however, the August,1997 GPS survey identified the proper sector as P.

Il-5 Corrected the sector directions for TLD monitoring locations BY-211-1, 211-4, and 212-1. The sector designators listed in Table 11-1 were correct, however, the directions given for those sectors were wrong.

I Byron Station Chapter 12 Change Summary ODCM Revision 1.4, February 1997 Page 12-11 Removed page revision index. No longer are individual pages revised. The revision number for the index is assigned to the chapter.

Page 12-5 Corrected a typographical error in the title for the REMP program.

Page 12-15 Corrected the column header alignment.

Page 12-16 Corrected the column header alignment.

Page 12-20 Corrected spelling error of " Emitters".

Page 12-29 Corrected spelling error of " Emitters".

Page 12-30 Corrected spelling error of " elapsed".

Page 12-40 Added a paragraph to explain the requirements behind program deviations. This information was located in Chapter 9 (UREMP) and has been relocated into this chapter. Chapter 9 is to be deleted.

Page 12-41 Revised wording of 12.5.1.A.3. The wording was taken from Chapter 9 and relocated into this chapter.

Page 12-43 Revised radioiodine collection and analysis frequency to biweekly.

Page 12-44 Added and revised ranges for inner ring and outer ring TLDs. Original ranges did not encompass all existing locations. Corrected spelling error

" access".

Page 12-45 Changed the number of required samplcs to agree with the addition of a well water sampling location in Chapter 11.

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Page 12-46 Revised control _ range for milk sampling. Original )

ranges did not incorporate cows between 6.2 and i I

9.8 miles.

Page 12-48 Changed title in footnote 2. Revised footnote 8 to indicate that milk sampling may be discor.tinued I

but not required to be discontinued.

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Page 12-60 Added footnote 6 to I-131 Page 12-52 Added footnote 6 to indicate I-131 LLD applies to specific I-131 analyses. This was at the request of the contractor laboratory to remove any confusion when I-131 may be identified on a gamma spec when it is not specifically being analyzed for.

Page 12-S6 Corrected spelling error of " calendar".

Page 12-S8' Corrected a typographical error. There was a footnote notation in the last paragraph but no footnote existed or was required.

Byron Station ODCM Change Summary Chapter 12, Revision 1.5, October 1997 Paue Channe Description 12-ii Updated revision number.

12-iii Updated page numbers in Table of Contents.

12-iv Updated page numbers in List of Tables.

12-18,25,27 Corrected typographical crrors in section numbers.

12-34 Corrected typographical error in titic.

12-36,38 Corrected typographical errors in rection numbers.

12-38,39,40 Added surveillance requirements and bases statements for use and monitoring of the Old Steam Generator Storage Facility (OSGSF).

12-49 Corrected Table number in Notation (1) from 1.1-1 to I l-l.

12-51 Changed the LLD for tritium from 200 pCi/l to 2,000 pCi/l to maintain consistency with the NRC re-.c.dations in Generic Letter 89-01.

12-53 Added a footnote to the table to identify that the revised LLD for tritium is the minimum acceptable LLD authorized. Vendors performing environmental sample analyses off-site would still be required to use 200 pCi/l as the LLD.

12-56 Deleted the reference to use of preoperational studies in the Annual Environmental Operating Report. This data is not required to be included and has not been in previous reports.

12-59 Corrected a typographical error that referred to a section number in the old 10 CFR Part 20.

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..g Dresden Station Chapter 10 Change Summary ODCM Revision 1,9, January 1997 Pane Chance Description 10-1 Updated revision number 10-3 Added descriptive information in parentheses to Section 10.1.2.4, 10-4 Changed statement regarding the location of the definitions of parameters in equations 10-1 and 10-2. The definitions are found throughout Section A.I of Appendix A and not in only one location as previously stated.

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9 Dresden Station Chapter 11 Change Summary 00CM Revision 1.2, January 1997 P39ti item Il-i Removed page index. Individual pages no longer updated.

11-2 Removed 0-05 and footnote. D-05 deleted in 1995 as indicated by the footnote. Removed asterisk by D-45 indicating it replaced D-05 in 1995.

11-3 Updated location of TLD's 110-3 and 110-4 to reflect current placement.

11-6 Added D-50 as a unit 2/3 Cooling Water Sample location, 11-7 Changed Director title due to new department responsibilities.

11-12 Deleted D-05 from map. Lncation no longer exists.

11-13 Added D-50 location due to new cooling water sample. Updated locations for TLD's 110-3 and 110-4 based on current location, 11-14 Removed an incorrect milk location from the map; two different locations were given on the map for D-26.

I l Dresden Station Chapter 11 Change Summary ODCM Revision 1.3, December 1997 Page Change Descrintion Il i Updated the revision number and date.

11-ii Updated the List of Tables and List of Figures for the new revision.

'11-1 Updated the description of the Figures.

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Il-8 type / frequency to reflect the Comed Uniform Radiological l

Environmental Monitoring Program (UREMP).

11-9,10 Updated the Figures to illustrate the sampling / monitoring locations for UREMP.

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Dresden Station Chapter 12 Change Summary ODCM Revision 1.3, January 1997

[ age Item 12-11 Revi sed revision index to 1.3 l 12-111 Modified section titles to be consistent with text.

Added the tour existing sections under 12.3.C.

12-iv Added the 4 existing sections under 12.4.C and the three existing sections under 12.S.C.

12-5 Modified headings to be consistent with table of contents.

12-6 Capitalized " Unit" in 12.2. B.1. 4. Modified headings to be consistent with the table at contents.

12-7 Added footnote indicating discharge is not allowed it actions cannot be performed.

12-9 Added footnote indicating discharge is not allowed if actions cannot be performed.

12-13 Changed requirements for the Reactor Building Vent Exhaust Duct Radiation Monitor minimum channels to say "See Technical Specifications Section 3/4.2". This will ensure  !

the user is cognizant that this item appears in the Technical Specifications.

12-14 Deleted 7 day clock and reporting requirement for Action 20. Upgraded Tech Specs do not address Low Range 2(3) Chimney noble gas monitoring and change is consistent with current Tech Specs and Quad Cities and LaSalle ODCM requi rements f or comparable monitors. Deleted Action 24 since it is associated with the Reactor Building Vent Exhaust Duct Radiation Monitor (see change for page 12-13),

i 12-16 Ottgas monitor Functional Test frequency changed from daily to quarterly and Instrument check changed from quarterly to daily to comply with current Tech Specs.

Changed requirements for the Reactor Building Vent Exhaust i Duct Radiation Monitor minimum channels to say "See l Technical Specifications Section 3/4.2". This will ensure the user is cognizant that this item appears in the Techni cal Specifications.

12-40 Added a "d" on the end of " describe" in last sentence of 12.5.A.2 to correct grammar.

12-41 Added word " Program" to title of 12.5.B for consistency among other section titles. )

12-50 Inserted the symbol "E" in place of an "s" to represent the requirement for summing tactors.

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Dresden Station Chapter 12 Change Summary ODCM Revision 1.4, May 1997 Pane Channe Description 12-i Updated special note to identify T/S amendments authorizing transfer of Units 2 and 3 RETS to the ODCM. Added Statement that Unit 1 Technical Specifications shall take precedence over Unit i ODCM items until the Upgraded Unit 1 Technical Specifications are approved by the NRC. Updated file name.

12-ii Updated revision number.

12-iii, iv Updated page numbers in Table of Contents.

12-v Updated page numbers in List of Tables.

12-4 Revised Note (e) on Table 12.1-2. Technical Specification Amendments 154/149 revised the wording of this note in Table 1.2 of the Unit 2/3 Technical Specifications. Note was changed to conform with Units 2/3 Technical Specifications.

12-8 Added description ofgrab sample location to Action 10 statement 12-14,15 Added description of backup sample locations and clarifying information to Action Statements for Table 12.2-3.

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. Chapter 12 Change Summary ODCM Revision 1.5, August 1997 Eagg. Channe Descriotion 12-i Updated Special Note to reflect transfer of RETS to the ODCM in Amc.ndment 39 Unit 1. Added statement that Technical Specifications shall always take prye'-= over the ODCM.

12-ii Updated revision number.

12-7 Deleted senice water effluent monitor from Table 12.2-1. Deleted Action 10 statement Senice water system has been drained and is no longer in senice per the Ut P+x ;; d:sioning Plan. Corrected the table header to align correct header above each column.

12-9 Deleted senice water etTluent inonitor from Table 12.2-2. Senice water system has been dramed and is no longer in senice per the UI Decommissiomng Plan.

12-15 Corrected TS reference to reflect new section number in the Upgraded Technical Specife 12-25 Deleted sampling requirements for U1 senice wer releases. System has been dramed and is no longer in senice per the U1 Decommissiomng Plan.~

12-25,26 Deleted Table Notation 7 addressing sampling requirements. Deleted the frequency notations and referred to the specific TS section addressing the sampling and analysis frequencies.

12-27 Deleted Table Notations 7 and 8. Table now refers to the appropriate Technical Specificat:on section which lists sampling requirements.

Dresden Station Chapter 12 Change Summary ODCM Revision 1.6, December 1997 Page Chance Descrintion 12-i Updated revision number in file designator.

12-il Updated revision number, 12-iii Updated page numbers in Table of Contents.

12-iv - Updated page numbers and Section titles in Table of Contents.

12-v Updated page numbers in List of Tables.

12-27,28 Added definition of LLD, including equation. Included alternate LLD methodology. Made table title consistent with first page of table.

12-40,41 Added definition of LLD, including equation. Included alternate LLD methodology.

12-35,37 Corrected typographical errors in the Technical Specifications references.

12-45 through Revised Section 12.5, Radiological Environmental Monitoring Program, to 12-60 reflect implementation of the Comed Uniform REMP. New sampling / monitoring locations and frequencies and the new analyses types and frequencies correspond with the standardized program.

12-45 Changed the reference to ODCM section numbers to address the new section numbers.

12-55 The LLD for tritium was changed to reflect the LLD value specified in NUREG-1301, 12-62 Changed the reference to ODCM section numbers to address the new sectica numbers.

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4 LaSalle Station Chapter 11 Change Summary ODCM Revision 1.9, March 1997 Page Chance Descrintion I l-i Updated revision number 11-7 Deleted L-41 cow. Farmer requested withdrawal from program.

Il-11 Removed L-4I sample location from map

Zion Station Chapter 10 Change Summary ODCM Revision 1.9, January 1997 Pane Change Description 10-i Updated revision number.

10-5 Revised ilVAC flow rate for radiation monitors 1(2)RE-0015 from 7.32 E+05 cc/see to 5.60 E+04 cc/sec. The ilVAC flow rate has changed due to exempt changes 1(2)-96-252 which relocated the sample tap location to the steam jet air ejector (SJAE) discharge header.

10-7 Corrected typographical error.

4 Zion Station Chapter 12 Change Summary ODCM Revision 1.8, January 1997 I

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12-il Updated revision number, 12-1,2,13, Corrected typographical errors. I 24,29,33, 36,40,46, f l

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12-13 ACTION 15 - Remove requirement to daily verify alignment of Auxiliary Building ventilation. This is consistent with other radiation monitors which require realignment of ventilation due to monitor inoperability. The daily verification of the alignment (controlled by an out-of-service) is a task of no value.

12-22 Corrected Table 12.3-2 to reference applicable footnotes. Current sections of the table reference incorrect footnotes.

12-25 Revised wording to be consistent with NUREG-1301 and current ODCM methodology; indicated limits apply to effluents released from each unit, versus each site. Subsequently reduced the limits to one half of current values.

12-26 Revised last paragraph to indicate this section applies to effluents released from each unit at the site, 12-27 Revised wording to be consistent with NUREG-1301 and current ODCM methodology; indicated limits apply to effluents released from each unli, versus each site. Subsequently reduced the limits to one half of current values.

12-31 Revised * , erding to be consistent with NUREG-1301 and current ODCM methodology; indicated limits apply to effluents released from each unit, versus each site. Th6 requirement had incorrecly been written to apply to the site.

12-33 Revised wording to be consistent with NUREG-1301 and current ODCM methodology; indicated limits apply to effluents released from each unit, versus each site. The requirement had incorrectly been wntten to apply to the site.

Zion Station Chapter 12 Change Summary ODCM Revision 1.9, October 1997 Pye Chance Description 12-ii Updated revision number and file designator.

12-8 Deleted footnote (3) from channel check for composite sampler.

12-11 Changed mode applicability from ALL to "l,2,3, and 4" for iodine and paniculate monitors OR-PR12B and OR-PR12A.

12-27 Revised wording for determining dose due to liquid releases from the site.

12-29 Added footnote (g) designator to sampling frequency for Vent Stack.

12-30 Added footnote (g) to provide appropriate action when noble gas monitor is not in service.

12-35 Revised wording for determining dose due to gaseous releases from each unit.

12-45 Revised tritium water LLD to 2,000 pCi/l and added footnote (7) designator.

12-47 Added footnote (7) clarifying appropriate use of tritium LLDs for environmental samples.

12-50 Revised wording defming due date for Annual Radiological Environmental Operating Report.

12-51 Deleted wording referring to submittal of Annual Radioactive Efiluent Release Report "no longer than 12 months since the previous report" Added a list of exceptions to the Regulatory Guide 1.21 reponing requirements.

Zion Station Appendix F Change Summary ODCM Revision 1.1, October 1997 Pane Chance Description F-1 Corrected a typographical error in Reference 1.

F-3 Added bars to blank spaces in Elevated Release Point Characteristics.

F-4 Revised critical ranges for unrestricted area boundaries for sectors NE through SSE, for restricted area boundaries for all sectors, and for nearest resident for sectoca N and SSW through NNW, based on the 1993 census data.

F-6, 7, and Revised all parameters to reflect new critical ranges in Table F-3.

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ATTACIIMENT II l

Comed ODCM i

Current as of December 31,1997 j

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BRAIDWOOD RIvision 1.8 October 1995 CHAPTER 10 Braldwood Annex Index EAGE REVISION 10-1 1.8 1 0 -11 1.8 10-lii 1.8 10-IV 1.8 10-v 1.8 10 1 1.8 10-2 1.8 10-3 1.8 10-4 1.8 10-5 1.8 10-6 1.8 10 7 1.8 10-8 1.8 10-9 1.8 10-10 1.8 .

10-11 1.8 10-12 1.8 ,

10-13 1.8 10-14 1.8 10-15 1.8 10 16 1.8

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