ML20149G945

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Comment on Draft Regulatory Guide DG-1050 (Rev 12 to Regulatory Guide 1.147),Inservice Insp Code Case Acceptability,Asme Section Xi,Div 1
ML20149G945
Person / Time
Site: Nine Mile Point  Constellation icon.png
Issue date: 07/17/1997
From: Sylvia B
NIAGARA MOHAWK POWER CORP.
To:
NRC OFFICE OF ADMINISTRATION (ADM)
References
FRN-62FR25979, RTR-REGGD-01.147, RTR-REGGD-1.147, TASK-*****, TASK-RE 62FR25979-00003, 62FR25979-3, NMP1L-1236, NUDOCS 9707240138
Download: ML20149G945 (5)
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. 0 00 3 NIAGARA MOHAWK G E N E R ATIO N ""^"*""'"*"*""'"^-"""**'"""""""" j BUSINESS GROUP n RALPHSYLVIA July 17,1997 Executiw Vice President Electric Generation NMPIL 1236 CNet Nuclear officer dU m~x U. S. Nuclear Regulatory Commission Rules Review and Directives Branch hI to Division of Freedom ofInformation and Publications Service u)h Z N b Office of Administration Ncc <

Washington, DC 20555 $ .@ . ITI b

RE: Nine Mile Point Unit 1 Nine Mile Point Unit 2 Docket No. 50-220 Docket No. 50-410 DPR-63 NPF-69 l

Subject:

Comment on Drqft Regulatory Guide DG-1050 (Revision 12 to Regulatory Guide 1.147),

Inservice inspection Code Case Acceptability, ASME Section XI, Dirlslon 1 1

Gentlemen:

Niagara Mohawk Power Corporation wishes to offer the following comments: '

Page No. 8 of the draft Regulatory Guide refers only to Class 1 and 2 Systems,Section XI, Division 1. Code Case N-498-1 was approved by the ASME on May 11,1994 for Class 1,2 and 3 Systems,Section XI, Division 1.

l As discussed in a telephone conversation with Mr. E. O. Woolridge of the NRC on May 27,1997, we understand that the lack of reference to Class 3 Systems was a typogranhical error that should 1 he corrected in Rev.12 to Regulatory Guide 1.147. Therefore, the text on Page 8 should refer to j Class 1,2 and 3 Systems,Section XI, Division 1.

Supporting information has been attached per the Federal Register: May 12,1997, pages 25979 - 25980, Draft Regulatory Guide; Issuance, Availability. If you have any questions regarding our comments, please contact Mr. All Egap at (315) 349-4289. ,

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Very truly yours, g B. Ralp Syl a Chief Nuclear Officer BRS/KLIJcmk Attachment h lfh lO]l l h h 9707240138.970717

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i xc: Mr. H.' J. Miller, Regional Administrator, Region 1 Mr. A. W. Dromerick, Acting Director, Project Directorate I-1, NRR Mr. B. S. Norris, Senior Resident Inspector Mr. D. S. Hood, Senior Project Manager, NRR l

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May 1997

!"'. I p"* U.S. NUCLEAR REGULATORY COMMISSION 0FFICE OF NUCLEAR REGULATORY RESEARCH Oivision 1

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! j ORAFT REGULATORY' GUIDE gg Draft DG-1050 l ***** E.O. Woolridge (301)415-6004 i Contact 1 DRAFT REGULATORY GUIDE DG-1050 (Revision 12 to Regulatory Guide 1.147)  ;

4- I IWSERVICE INSPECTION CODE CASE ACCEPTABILITY, l

ASME SECTION XI. DIVISION 1 A. INTRODUCTION stic 1.icensing of Section 50.55a, " Codes and Standards," of 10 CFR P '

a ach operating Production and Utilization Facilities," requires, in p facility and each license for a boiling or pressurized water-cooled n l t the conditions in construction permit for a utilization factitty ,

50.55a. Paragraph (g) paragraph (g), " Inservice Inspection Require s and their supports meet the requires, in part, that Classes 1, 2, and 3 spectionofNucleardowerPlant-(. requirements of Section XI, " Rules for I cal Engineers (ASME) Boiler and .

Components,"' of the American. Socia standards. Paragraph 50.55a(b), in part, Pressure Vessel Code or equivalent li p in effect of Section XI of the Code and references the latest edition any supplementary requirement tsectionoftheCode. Footnote 6 to S 50.55a l '

cases ma'f be authorized by the coussission upon j states that the use of specific request pursuant to raph 50.55a(a)(3), which requires that proposed alternatives l ts, or portions thereof provi.de.an acceptable level of i to the described r

' quality and s a

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' Copies tend from the American society of Mechanical Engineers. United Engineering Center 345 1 East 47th flew, Yorit. NY 10017.

i TNe.T ^ ^ y guido le being leeued in draft fenn to inve6ve the putse in the eerfy stages of the de area. It has not received earnpiece staff review and does not represent en official NRC staff pesielen.

PuWho eemmenes are being esseited en the draft endde Gneludne any implem valuenmpest statement. Commenes eheidd be -_ .

' 'n WesNngton, oC 20666. Copies of eemmente 0 and Direselves Greneh. DAS. of#ee of Administreelen. U.S. Niedeer Reqpdatory C_ DC. Comments wW be meet helpfulif recoved tooelved may be enemined et the NRC Pndse Deeument Reem. 2120 L Street NW.. We.' _ ;

by July 21,1997.

en - euiemede seir*ueen us o-e= f- singi. ee.ies .e ese.e - *en re.d.te,y guwee ww. ,ney be ,seredueee - f- m d C_J " , Weehengton. OC Re eingle espies of future draft guldes in speeino d.6e6ene shou 6d be made in wriung to the U.S. Nuoleer Rep 20666, Attenden: Of6ee of Informenien Reesuroes Management. Dietribution Servic e Secuen; e

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ATTACHENT (2 of 3) lf r . ,

a: 08-14-91 N-485-1 Eddy Current Examination of Coated Ferritic Surfaces as

an Alternative to Surface Examination,Section XI, 4 Division 1
N-489 08-14-90 Alternative Rules for Levd III NDE Qualification
04-30-93 Exantinations,Section XI, Divisions 1, 2, and 3 t

N-490-1 05-13-91 Alternative Vision Test Requirements for Nondestructive j 05-11-94 Examiners,Section XI, Divisions 1, 2, and 3 i N-491<1 - 04-30-93 Alternative Rules for Examination of Class 1, 2, 3 and MC l Component Supports of Light-Water Cooled Power Plants, i

1.

Section XI, Olvision 1 I N-494-2 12-09-93 Pipe Specific Evaluation Procedures and Acceptance Criteria for Flaws in Class 1 Ferritic Piping that i Exceeds the Acceptance Standards of IWB-3514.2, Section j XI, Olvision 1 L

j N-495 12-03-90 Hydrostatic Testing of Relief Valves,Section XI, j 12-09-93 Division 1 I

N- -1 05-11-94 _ Helical Coil Threaded Inserts,Section XI, Division 1

~

! N-498-1 05-11-94 Alternative Rules for40-Ye'ar Hydrostatic Pressure i

Testing for Class 1 and 2. Systems,Section XI, Division 1 N-503 2 Nond Exami'natisn j Personnel,Section XI, Division 1 i

i N-504-1 08-09-93 Alternative Rules for Repair of Class 1, 2, and 3 j-Austenitic Stainless Steel Piping,Section XI, Division 1

! N-509 11-25-92 Alternative Rules for the Selection and Examination of Class 1, 2, and 3 Integrally Welded. Attachments, Section j

XI, Division 1 N

, Code Case N-509 is acceptable subject to the following condition in

addition to those conditions specified in the Code Case
A minimum 10%
sample of integrally welded attachments for each it'em in each code class
per interval should be examined.

4 i N-512 02-12-93 Assessment of Reactor Vessels With Low Upper Shelf Charpy

Impact Energy Levels,Section XI, Division 1 4

N-514 ~02-12;93 Low Temperature Overpressure Protection,Section XI, 3 Division 1 3

! N-515 02-12-93 Class 1 Mechanical Joint Pressure Tests,Section XI, j

Division 1 A

- C 1

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l4 . ,11/1s/94 12:1s 7 F 838 Y@T W M N

<, , ATTACHMENT (3 of 3)

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j' CASE i

N-498-1 CASES OF ASME eOl!.En AND PnESSUaE VESSEL. coot l Approval Date: May 11,1s94

{ . See NumericalIndex for expiration and say reentemation estes.

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Case N 4981 (2) The boundary subject to test pressurization

- Alternative Rules for 10 Year System Hydrostatic during the system pressure test shall extend to all j Testing for Cass 1,2, and 3 Systemas Cass 2 components included in those portions of sys-l Section XI. Divistem 1 tems required to operate or support the safety system j function up to and including the first normally closed
- Inquiry
What alternative rules may be used in lieu valve, including a safety or relief valve, or valve ca-i of those required by Section XI, Division 1. Table pable of automatic closure when the safety function l IWB-25001, Category B P Tahle IWC 25001. Cat- is required.

egory C H, and Table IWD-25001, Categories D A, (3) Prior to i;..Li Ag the VT-2 visual exami-D B, and D.C as applicable, for the 10 year system nation, the system shall be pressurued to nominal l hydrostatic test? operating pressure for a minimma of 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> for in-sulated systems and 10 minutes for noninsulated sys-tems. The system shd be maintained at nominal op-

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ersting pressure during performance of the VT 2

/tspiy: visual ernmlaatica.

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7 I- (a) It is the opinion of the Committee that as in- (4),The VT 2 visual examination shall inciude alternative to the 10 year system hydrostatic test re- all components within the boundary identified in

quired by Table IWB 23001, Category B P, the % (b)(2) above. .-
lowing rules shall be used. (5) Test instranentahon s@ ats of IWA- *

(1) A system les age test (IWB 5221) shd be 5260 are not applicable.

conducted at or ner e end of each inspecdon in- c

.f c) It is the opinion of the 'n-mietee that, as an

terval, prior to rea startup. ternative to the 10 year system hydrostatic test re-(2) The bounew subject to test pressurization quired by Table IWD 25001, Categories D A, D-B,
during the system i ikage test shall extend to an or D C (D B for the 1989 Edition with the 1991 and

! Class 1 pressure retaining components within the sys. , ' . subsequent Addenda), as applicable, the following

! tem boundary. - rules shall be used.

l (J) Prior to pe.L Ag the VT 2 visual asami N (1) A system pressure test shd be conduced at

nation, the system shd be pressurised to nominal or near the and of each inspecdon interval or during i operating pressure for at least 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> for lasulated the same inspecdon period of each inspection inter-systems and 10 minutes ibt naninaalarad systema. val of Inspection Program B.
The system shall be maintained at nominal operating (2) De boundary subject to test prearmizadon i , pressure during perfonnance of the W 2 visual es. during the system pressure test shall extend to all
2. amination. Cass 3 components included in those portions of sys-(4) Test temperatures and pressures shall not tems required to operses or support the safety system
exceed limiting condidons fbr the hydrostade test funcdon up to and including the first normally closed curve .as contained in the plant Technical Specisco- valve, including a safety or relief valve, or valve ca.

tions. pable of ausomatic closure when the safety function (5) The W-2 visual ====ia=*ia=. shall include is required.

all components within the boundary identified in (J) Prior to perfbsming the W 2 visual exami-4

. (a)(2) above- nation, the system shall be pressurised to nominal

! (6) Test instrumentation tequirenunts of IWA. operadng pressure for at least 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> Ior insulated 5260 are not applicable. systems and 10 minness for aaaiaaala'ad systems.

!j 1 .

(6) It is the opinion of the Conunittee that, u as ne system shall be maintained at naminal operating alternative to tae 10 year system hydrostatic test re- pressure during performance of the W 2 visual ex-l a quired by Table IWC 25001, Category C-H, the M amination.

j towmg rules shall be used. . (4) The VT 2 visual eraminatha shall inchide (1) A system pressure test shall be conducted at all components within the boundary identified in

.or near the end of each laspeedon interval or during (c)(2) above.

. the same inspection period of each taa-daa inter. (5) Test instrumentation requirements of IWA-val of Inspection Program B. 5260 are not applicable.

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