ML17257A530
| ML17257A530 | |
| Person / Time | |
|---|---|
| Site: | Ginna  |
| Issue date: | 08/05/1981 |
| From: | Crutchfield D Office of Nuclear Reactor Regulation |
| To: | Maier J ROCHESTER GAS & ELECTRIC CORP. |
| References | |
| LSO5-81-08-016, LSO5-81-8-16, NUDOCS 8108140229 | |
| Download: ML17257A530 (14) | |
Text
August 5, 1981 Docket No. 50-244 LS05 O8-Ol 6 Nr. John E. Naier, Vice President Electric and Steam Production Rochester Gas 8 Electric Corporation 89 East Avenue Rochester, New York 14649
Dear Nr. Naier:
SUBJECT:
RE(VEST FOR ADDITIONAL INFORIIATION FOR SEP TOPIC IX-5, VENTILATION SYSTENS (R. E.
GINNA)
During our review of SEP Topic IX-5, "Ventilation Systems" we found that additional information (see enclosed) is needed to complete our review.
Please provide your response within 30 'days of the receipt of this letter so that our evaluation can be completed in a timely manner.
Sincerely,
Enclosure:
As stated cc w/enclosure:
See next page Dennis H. Crutchfield, Chief Operating Reactors Branch No.
5 Division of Licensing ghat 9'i(1 gpss SFC )
8108140229 8i0805 PDR ADOCK 05000244 P
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NRC FORM 318 (10-80) NRCM 0240 OFFICIAL RECORD COPY usoF0: sesI-08. eso
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Docket Ho. 50-244 LS05 Nr. John E. Haier, Vice President Electric and Steam Production Rochester Gas
& Electric Corporation 89 East Avenue Rochester, New York 14649 Deer t1r. 11aier:
SUBJECT:
RE(UEST FOR ADDITIONAL INFORI%TION FOR SEP TOPIC IX-5. VENTILATION SYSTEMS (R. E.
GINNA)
During our peview of SEP Topic IX-5, "Ventilation Systems" we found that additional information (see enclosed) is needed to complete our review.
Provide your response within 30 days of the receipt of this letter so that our evaluation can be completed in a timely manner.
Sincerely,
Enclosure:
As stated Dennis H. Crutchfield, Chief Operating Reactors Branch No.
5 Division of Licensing cc w/enclosure:
See next page
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Mr. J ohn E. Maier CC Harry H. Yoigt, Esquire
- LeBoeuf, Lamb, Leiby and MacRae 1333 New Hampshire Avenue, N.'.
Suite 1100 Washington, D. C.
20036 Mr. Michael Slade 12 Trailwood Circle Rochester, New York 14618 Ezra Bialik Assistant Attorney General Environmental Protection Bureau New York State Department of Law 2 World Trade Center New York, New York 10047 J effrey Cohen New York State Energy Office Swan Street Building Core 1, Second Floor Empire State Plaza
- Albany, New York 12223
- Director, Bureau of Nuclear Operations State of New York Energy Office Agency Building 2 Empire State Plaza
- Albany, New York 12223 Rochester Public Library 115 South Avenue Rochester, New York 14604 Supervisor of the Town of Ontario 107 Ridge Road West
- Ontario, New York 14519 Resident Inspector R. E. Ginna Plant c/o U. S.
NRC 1503 Lake Road
- Ontario, New York 14519 Mr. Thomas B. Cochran Natural Resources Defense Council, Inc.
1725 I Street, N.
W.
Suite 600 Washington, D. C.
20006 U. S. Environmental Protection Agency Region II Office ATTN'IS COORDINATOR 26 Federal Plaza New York, New York 10007 Herbert Grossman, Esq.,
Chairman Atomic Safety and Licensing Board U. S. Nuclear Regulatory Comnission Washington, D. C.
20555 Dr. Richard F. Cole Atomic Safety and Licensing Board U. S. Nuclear Regulatory Commission Washington, D. C.
20555 Dr.
Emmeth A. Luebke Atomic Safety and Licensing Board U. S. Nuclear Regulatory Commission Washington; D. C.
20555
~ 'E "v
I U
IP%
QUESTIONS FOR QINNA NUCLEAR POWER PLANT FOLLOWING THE VISIT BY FRANKLIN RESEARCH CENTER
\\
AND NUCLEAR REGULATORY COMMISSION REPRESENTATIVES ON JULY 21-22, 1981 1.
B ass Duct Dam er Auxilia Buildin Main Exhaust Fan S stem Dwg. 33013-533 indicates that the bypass damper is controlled by the Auxiliary Building charcoal filter fans.
These are presumed to be the redundent fans on the lower floors of the auxiliary building.
(1)
Is this correct?
(2) Please clarify the operation of the main 'fan bypass
- damper, and verify that it will be open for safe shutdown.
2.
Auxiliar Buildin Main Exhaust Line Positive Pressure During shutdown of the reactor using onsite diesel generated
- power, the main exhaust
- fans, lA & 1B will be shut down, their respective dampers will be closed and the main fan bypass duct damper will be open'.
The remaining exhaust fans on three separate lines leading to the main HEPA filter continue to operate.
The loss of suction from the main exhaust fans now causes a positive back pressure on each line in'he duct leading to the.
main HEPA filter.
Please verify that the pressure produced here can not cause backflow through any one operating fan.
This is related to the flow vs. pressure characteristics of the fans used.
3.
Descri tion Auxiliar Buildin Exhaust Fan 1G Please provide a complete description of Exhaust Fan 1G, including the variable blade angle or variable inlet y~e control.
How is its differential pressure control tied to the control of the exhaust system?
What percentage of the flow area remains with the inlet vanes closed or the blades in flattest pitch?
4.
Auxilia Buildin Dam er Control in Two Lines Leadin to the New Charcoal-HEPA Filter Drawing 33013-533 dated 1975 shows revisions to the system as compared to system descriptions in the FSAR.
Dwg. 33013-533 shows a
charcoal-HEPA'ilter fed by two exhaust lines, one from the general operating floor, boric
- acid, and drumming areas, and.the other from a wide range of intermediate floor and basement areas.
Both lines retain their respective actuator operated dampers just before the charcoal-HEPA filter.
The drawing indi-cates "motor starter" as the controlling means for each damper.
Since, in the system revision, the respective fans in each line were removed, what motor starter or starters are now used for each damper?
Is it Fan 1G or some other control element?
5.
H dro en Recombiner Control Panel Please describe the ventilation and cooling needs.
6.
Air Su 1
Intermediate Buildin Fan 1C It was not determined in the visit to Ginna whether the air source is from the turbine building or whether it is now outside air.
Please indicate the present source.
7.
Res onse to Radiation Monitors R13
& R14 Please provide an outline of the exhaust system response to monitors R13 and R14, plus a brief statement as to the rationale.
REBULATOI~ INFORMATION DISTRIBUTION TEM (RIBS)
ACCESSION NBR: 8108140229 DOC ~ DATE: 81/08/05 NOTARIZED:
NO DOCKET ¹ FAC IL~:50 "244 Rober t Emmet Ginna Nuclear P 1 ant F Unit 1 E Rochesteir*
G 05000244 AUTH.NAME'UTHOR AFFILIATION CRUTCHFIELDD-ED'perating Reactors Branch 5
RECIP ~ NAME RECIPIENT AFFILIATION MAIERFJ ~ E ~
Rochester Gas 8 Electric Cor p.
SUBJECT:
Forwards request for addi info re SEP Topic IX-5 review. Response should be submitted within 30 day receip.t of-ltr.
DISTRIBUTION CODEt:
SE04S COPIES RECE>I VED: L: AD/LIC/NRR CWALINAFGs DIR/DL I 8 El OELD SEP PLANT F ILE SEPB READING EXTERNALS: ACRS DIST EX(2/00) NSIC COPIES LTTR ENCL-1 1 1 1 1 1 1 1 1 1 3 3 1 1 1 1 1 1 16 16 11 11 1 1 RECIPIENT ID CODE/NAME ORB ¹5 BC SNAIDER E R AD/SA/NRR DEP DIR/DL HEL'TEMES/AEOD N SEPB BC SEPB SECT LDR DIST EX(2/,P2') LPDR NTIS COPIES LTTR ENCL 1 1. 1 1 1 1 1 1 1= 1 1 1 1 1 1. 2 2 25 25 1 1 1 1 guG 1> 3981 pr 7e TOTAL NUMBER OF COPIES REQUIRED: LTTR 7z ENCL 0 ~ L 4 ~R RE0I ~c~ '~ 0+ 4p A.00 !c ~O ++*++ Docket No. 50-244 LS05-81-08-016 UNITED STATES NUCLEAR R EGULATORY COMMISSION WASHINGTON, D. C. 20555 August 5, 1981 Mr. John E. Maier,'Vice President Electric and Steam Production Rochester Gas 8 Electric Corporation 89 East Avenue Rochester, New Yor k 14649
Dear Mr. Maier:
SUBJECT'EQUEST FOR ADDITIONAL INFORMATION FOR SEP TOPIC IX-5, VENTILATION SYSTEMS (R.
E.
GINNA)
During our review of SEP Topic IX-5, "Ventilation Systems" we found that additional information (see enclosed) is needed to complete our
- review, Please provide your response within 30 days of the receipt of this letter so that our evaluation, can be completed in a timely manner.
Sincerely, Enclosure; As stated ennss M. Crutc ie ie Operating Reactors Bra ch No.
5 Division of Licensing cc wt'enclosure:
See next page
Mr. John E. Maier CC Harry H. Yoigt, Esquire
- LeBoeuf, Lamb, Leiby and MacRae 1333 Hew Hampshire Avenue, N.
W.
Suite 1100' Washington, D. C.
20036 Mr. Michael Slade 12 Trailwood Circle Rochester, New York 14618 Ezra Bialik Assistant Attorney General Environmental Protection Bureau New York State Department of Law 2 World Trade Center
~
New York, Hew York 10047 Jeffrey Cohen New York State Energy Office Swan Street Building Core 1, Second Fl oor Empire State Plaza
- Albany, New York 12223 Director, Bureau of Nuclear Operations State of Hew York Energy Office Agency Building 2 Empire State Plaza
- Albany, Hew York 12223 Rochester Public Library 115 South Avenue Rochester, New York 14604 Supervisor of the Town of Ontario 107 Ri dge Road, West
- Ontario, New York 14519 Resident Inspector R. E. Ginna Plant c/o U. S.
NRC 1503 Lake Road
- Ontario, Hew York 14519 Mr. Thomas B. Cochran Natural Resources Defense Council, Inc.
1725 I Street, N.
W.
Suite 600 Washington, D. C.
20006 U. S. Environmental Protection Agency Region II Office ATTN:
EIS COORDINATOR 26 Federal Plaza Hew York, Hew York 10007 Herbert Grossman, Esq.,
Chairman Atomic Safety and Licensing Board U. S. Nuclear Regulatory Comnission Washington, D. C.
20555 Dr. Richard F. Cole Atomic Safety and Licensing Board U. S. Nuclear Regulatory Commission Washington, D. C.
20555 Dr.
Emmeth A. Luebke Atomic Safety and Licensing Board U. S. Nuclear Regulatory Commission Washington; D. C.
20555
QUESTIONS FOR GINNA NUCLEAR POWER PLANT FOLLOWING THE VISIT BY FRANKLIN RESEARCH CENTER AND NUCLEAR REGULATORY COi&1ISSION REPRESENTATIVES ON JULY 21-22, 1981 e
1.
B ass Duct Dam er, Auxilia Buildin Main Exhaust Fan S stem Dwg. 33013-533 indicates that the bypass damper is controlled by the Auxiliary Building charcoal filter fans.
These are presumed to be the redundent fans on the lower floors of the auxiliary building.
(1)
Is this correct?
(2) Please clarify the operation of the main fan bypass
- damper, and verify that it will be open for safe shutdown.
2.
Auxiliar Buildin Main Exhaust Line Positive Pressure During shutdown of the reactor using onsite diesel generated
- power, the main exhaust
- fans, 1A & 1B will be shut 'down, their respective dampers will be closed and the main fan bypass duct damper will be open; The remaining exhaust fans on three separate lines leading to the main HEPA filter continue to operate.
Tlie loss of suction from the main exhaust fans now causes a positive back pressure on each line in the duct leading to the.
main HEPA filter.
Please verify that the pressure produced here can not cause backflow through any one operating fan.
This is related to the flow vs. pressure characteristics of the fans used.
3.
Descri tion Auxilia Buildin Exhaust Fan 1G Please provide a complete description of Exhaust Fan 1G, including the variable blade angle or variable inlet vie control.
How is its di,fferential pressure control tied to the control of the exhaust system?
What percentage of the flow area remains with the inlet vanes closed or the blades in flattest pitch?
4.
Auxilia Buildin Dam er Control in Two Lines Leadin to the New Charcoal-HEPA Filter Drawing 33013-533 dated 1975 shows revisions to the system as compared to system descriptions in the FSAR.
Dwg. 33013-533 shows a charcoal-HEPA
'ilter fed by two exhaust lines, one from the general operating floor, boric
- acid, and drumming areas, and.the other from a wide range of intermediate floor and basement areas.
Both lines retain their respective actuator operated dampers gust before the charcoal-HEPA filter.
The drawing indi-cates "motor starter".
as the controlling means for each damper.
Since, in the system revision, the respective fans in each line were removed, what motor starter or starters are now used for each damper?
Is it Fan 1G or some other control element?
5.
H dro en Recombiner Control Panel Please describe the ventilation and cooling needs.
6.
Air Su l Intermediate Buildin Fan 1C It was not determined in 'the visit to Ginna whether the air source is from the turbine building oe whether it is now outside air.
Please indicate the present source.
7.
Res onse to Radiation Monitors R13
& R14 Please provide an outline of the exhaust system response to monitors R13 and R14, plus a brief statement as to the rationale.