ML20236N274
| ML20236N274 | |
| Person / Time | |
|---|---|
| Site: | Byron, Braidwood, 05000000 |
| Issue date: | 08/05/1987 |
| From: | Ainger K COMMONWEALTH EDISON CO. |
| To: | NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM) |
| Shared Package | |
| ML20236N278 | List: |
| References | |
| 3425K, NUDOCS 8708110431 | |
| Download: ML20236N274 (10) | |
Text
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/'~'N Commonwealth Edison l
) One First N:tior.d Pla2.a. Chicago, Illinois T ] Address R;. ply to: Post Offica Box 767
\\j Chicago, Illinois 60690 - 0767 August 5, 1987 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555
Subject:
Byron Station Units 1 and 2 Braidwood Station Units 1 and 2 FSAR Amendment No. 48 NRC Docket Nos. 50-454, 50-455, 50-456 and 50-457 Gentlemen:
The application for construction permits and operating licenses for Byron Station Units 1 and 2 and Braidwood Station Units 1 and 2, docketed on September 20, 1973, is hereby amended by submittal of Amendment 48 ptirsuant to 10 CFR 50.34.
Amendment 48 to the Byron /Braidwood PSAR consists of an amended response to Question 10.65 which adds the spurious operation analysis for Byron Unit 2 and Braidwood Unit 1, amended responses for Questions 040.108, 040.115, 040.170, 040.185, 040.186, 130.60, 212.18, 212.26, 212.29, 212.92, 212.93, and 212.154, and miscellaneous text changes throughout the FSAR.
Attachment A to this letter is an itemized summary of changes contained in the amendment.
Attachment B to this letter is a table of differences between changes contained in Amendment 48 and pages previously transmitted to the NRC for advanced review.
Please direct any questions regarding this matter to this office.
Very truly yours,
/
K. A. Ainger Nuclear Licensing Administrator Attachments cc: NRC Region III Office Byron Resident Inspector Braidwood Resident Inspector
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AMENDMENT 4 8 JULY 1987 I
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ATTACHMENT A
SUMMARY
OF' CHANGES CONTAINED IN B/B-FSAR AMENDMENT 48
.Page or p
Figure Number Description of Changes Pages 3.2-7 and.
Note 8 added under quality group for certain 3.2-13 fuel. handling equipment per NRC comments on Amendment 47.
Page 3.2-10 Clarification of classification of control room HVAC components per NRC comments on Amendment 47.
Pages 3.6-35, Revised to mention use of guard pipe for 3.6-35a, and containment penetrations for fuel transfer 3.6-38 tube and recirculation sump piping.
Pages 3.9 Changed to indicate that rod drop time and 3.9-73 requirement is 2.4 rather than 2.2 seconds.
The drop time is given as the time from the beginning of decay of stationary gripper coil f3 i
)
. voltage to dashpot entry,'rather than the
~
time from the start of rod movement to dashpot entry (
Reference:
letter from K. A. Ainger to H. R. Denton, dated 10-30-86).
Page 3.9-82 Revised to provide more appropriate references for ISI program for active pumps and valves.
Pages 3.9-102, Corrected to (1) change Quality Group B to 3.9-103, and Group C for auxiliary feedwater pumps to be 3.9-104 consistent with FSAR Table 3.2-1, (2) add pumps 1/2SX04P to the list of active pumps, and (3) to update the P&ID refarences.
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ATTACHMENT A (Cont'd)
AMENDMENT 4 8 JULY 1987 1
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Page or Figure Number Description of Changes Pages 3.9-105 Table 3.9-16 has been revised per an IDR i
through 3.9-108 commitment to list B/B Unit 2 valves.
Also 1
(Separate Byron valves have been added to and deleted from and Braidwood the table.
Valves added:
pages) and 3.9-109 00GO65 00GO66 OSX028A,B (Byron only)
OSXO63A,B (Braidwood only)
OSX127A,B (Byron only)
OSX143A,B (Byron only)
OSX146 OSX147 OSX162A-D (Byron only) 1/2AF029A,B 1/2CV8480A,B 1/2DOOO3A-D 1/2MS101A-D 1/2RH610 1/2RH611 1/2SD054B,D,F,H 1/2SI8813 r-g 1/2SI8919A,B tj 1/2SX002A,B (Byron only) 1/2SX005 1/2SX147 1/2SX174 (Byron only) 1/2VQ005C Valves deleted:
1/2CS010A,B 1/2CV8348 1/2CV8378A,B 1/2CV8379A,B 1/2CV8381 1/2FWO36A-D 1/2PWO78A-D 1/2IA088 1/2SI8871 1/2SI8880 1/2SI8888 In addition several changes have been made to correct valve sizes and actuator types.
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AMENDMENT 4 8
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ATTACHMENT A (Cont'd) y
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Page or
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Figure Number Description of Changes Page 4.3-58 Provided correct full power boron concentrations needed for the first cycle i
specific for the Byron-1 fuel and the l
Braidwood-l fuel.
Separate Byron and
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Braidwood pages created.
4 Page 5.2-23 Braidwood control valves applicable code addenda corrected from Winter 1972 to Summer 1972'per commitment to NRC Region III.
Page 5.3-12 Indicates consistency of RV closure head 1
inservice inspections with ASME Section XI.
f Pages 5.4-28, Changes reflect current design of RHR pump 5.4-70, and miniflow valve control.
Q212.52-1 Page 6.3-8 Revised to indicate consistency with ASME Section XI.
Figures 6.4-5, Editorial correction of changer provided in 6.4-6, and Amendment 47:
Damper on bypass line to 6.4-7 emergency makeup air filter unit was inadvertently deleted from figures.
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Page 6.5-6 Chtages reflect current design of fire protection for HVAC equipment.
The discussion has been expanded to describe the two-stage temperature switch provided for each charcoal adsorber.
This is consistent with second paragraph on page 6.5-14.
Pages 6.5-9 and Changes reflect current design of auxiliary 6.5-10 building HVAC system.
Flowrate changes were (Separate Byron due to modification made to balance the Unit and Braidwood 1 and Unit 2 EVAC systems (
Reference:
letter l
pages) from K. Ainger to H. R. Denton, dated 10-30-86).
l Page 6.5-11 and Changes reflect current design of fire 6.5-11a protection for EVAC equipment.
The discussion has been expanded to deccribe the two-stage temperature switch provided for each charcoal adsorber.
This is consistent with second paragraph on page 6.5-14.
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D 48 ATTACEMENT A (Cont'd) y y
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Page or
/Vi Figure Number Description of Changes Page 6.5-14 Minor changes to discussion of fire protection for EVAC equipment.
Added sentence stating that actuation of deluge valves is indicated in the main control room.
Page 6.5-24 Correction of typographical error
(
Reference:
letter from K. A. Ainger to H. R. Denton, dated 10-30-86).
Page 6.5-25 Revised to include use of valves CS018A and l
CS018B in preoperational testing of 1
i containment spray system.
See page 14.2-30 also.
(
Reference:
letter from K. A. Ainger to H. R. Denton, dated 10-30-86).
Pages 7.2-1, Changes reflect automatic shunt trip 7.2-2, 7.2-13, modification for reactor protection system.
7.2-24, 7.2-25, 7.2-26, and j
7.2-27a Figure 7.2-1, Editorial correction:
Notes 1 and 2 were sheet 12 inadvertently deleted in Amendment 47.
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Page 8.3-32 Editorial correction.
Pages 9.1-9a, Additional information concerning dry storage 9.1-9b, 9.1-29, of new fuel in the spent fuel racks and 9.1-29a
(
Reference:
letter from S. C. Hunsader to H. R. Denton, dated 10-29-86).
Pages 9.1-37 Changes made to description of design of the j
and 9.1-37a refueling machine in response to Commonwealth Edison Quality Assurance commitment
]
(
Reference:
letter from K. A. Ainger to H. R.
Denton, dated 10-30-86).
Page 9.1-41 Changes made to description of design of the spent fuel pit bridge crane in response to i
Commonwealth Edison Quality Assurance commitment (
Reference:
letter from K. A. Ainger to H. R. Denton, dated 10-30-86).
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ATTACHMENT A (Cont'd) yf
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Page or
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Figure Number Description of Changes Pages 9.4-86, Changes to equipment flowrates to reflect 9.4-87, 9.4-93, current design of auxiliary building HVAC 9.4-94, 9.4-96, system.
A modification was made to balance and 9.4-97 the Unit 1 and Unit 2 EVAC systems
(
Reference:
letter from K. A. Ainger to H. R.
Denton, dated 10-30-86).
Pages 10.2-4 Corrected to indicate that automatic load and 10.2-5 runback is initiated for overtemperature aT or overpower a T but not for loss of flow of stator cooling water.
In the latter case, a turbine trip is initiated.
Pages 11.5-3, Changes reflect modification for main control
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11.5-4, 11.5-6, room outside air intake radiation monitors 11.5-8, and OPRO31J, OPRO32J, OPHO33J, and OPRO34J.
The ll.5-8a operate failure interlock logic will have a 2/2 coincidence per train.
Also, on page ll.5-8a, Subsection 11.5.2.2.10 was revised to delete valve numbers in order to avoid confusion due to unique valve numbers between the four B/B units.
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Page ll.5-17a Correction of typographical error from Amendment 47.
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Pages 13.2-1 Updated description of Byron /Braidwood through 13.2-18 training.
and Figure 13.2-2 Page 14.2-23 Changes made to close IE Open Item 86-52
(
Reference:
letter from K. A. Ainger to H. R. Denton, dated 10-30-86).
Page 14.2-30 Revised to indicate that alternative methods to infrared thermography may be used for testing containment spray nozzles.
- Also, revised to include use of Valves CS018A and CS018B in preoperational testing (
Reference:
letter from K. A. Ainger to H. R. Denton, dated 10-30-86).
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AMENDMENT 4 8
. ATTACHMENT A (Cont'd)
JULY 1987 -
Page or d'-<'
Figure Number Description of Changes Pages-14.2-78, Revised startup test tables for rod drop l'
'14.2-78a,-
measurements, moderator: temperature 14'.2-89, reactivity coefficient' measurement, pseudo-14.2-93, rod-ejection, flux asymmetry evaluation, 50%
. 14.2-96, load' reduction, and turbine trip from 25%-
14.2-101, power (
References:
letter from K. A. Ainger~
14.2-101a,:and.
to H. R. Denton, dated 6-23-86; letter'from 14.2-103 V. S..Noonan (NRC) to D..L.'Farrar, dated 10-01-86; and letter.from K. A. Ainger to H. R. Denton-dated 12-11-86).
Page 1452-97'
- Revised full-power plant trip startup test to indicate that plant is manually tripped by tripping generator main breakers (
Reference:
letter from S.:C. Hunsader.to H. R.,Denton dated 12-01-86).
f Page 15.0-8.
The reactor coolant T*5I. steady state error 0
0 has been revised from 9 F to +4.7 F-to
~
reflect the current We tinghouse steam' generator fouling penalty.
Pages 15.0-43, Chapter 15 analysis for post-LOCA O-15.0-45, recirculation loop leakage has been 15.6-50, and reanalyzed using updated recirculation loop 15.6 water volume.
Pages A1.52-3,
. Revised Braidwood responses to Regulatory.
A1.52-4, Guides 1.52 and 1.140 to address use of A1.140-1, silicone sealant in HVAC ductwork as a.
A1.140-2, and~
permanent sealant and carbon testing A1.140 (
References:
letters from A. D. Miosi to (Separate Byron H. R. Denton,~ dated.07-02-86 and 08-21-86).
and Braidwood Pages)
.Pages A1.68-1, Revised to discuss additional exceptions
-A1.68-2, pertaining to startup tests (
Reference:
A1.68-3, letter from K. A. Ainger to H. R.
- Denton, A1.68-4, and dated 6-23-86).
A1.68-5
.Page'A1.85-1 Reflects use of Code Case N-242-1 in the MTV program.
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.. ATTACHMENT A (Cont'd)
AMENDMEfff 4 8 JULY 1987 Page or Figure Number.
Description of Changes-Pages.E.30-lb' Revisions reflect correction of error in and E.30-8
' Amendment 47 on calculation of activity of
'l I-131 inventory following 33. hours of decay.
The resulting impact on the total whole body dose accumulated in obtaining the grab sample is minor (increases from 1.277 R to 1.2774 R).-
T Pages Q10.65-2, Provides Byron-2 response to question on through fire-induced operation of equipment.
Q10.65-6d
- (Byron)
- Pages_Q10.65-1 Provides Braidwood response to question on through.
fire-induced operation of equipment
- Q10.65-6
(
Reference:
letter from A. D. Miosi to H. R.
(Braidwood)
Denton, dated 08-27-86).
Page Q40.108-1 Clarification of how the requirement to avoid turbulence during fueling of a Unit 1 diesel oil storage tank will be applied
(
Reference:
Letter from S. C. Hunsader to H. R. Denton dated 02-25-87).
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'Page Q40.ll5-1 Change reflects current practices as recommended by the vendor for the diesel generators.
Page Q40.170-2 Response to question on sharing of dc systems (Byron) and between Units 1 and 2 revised for Byron
- Q40.170-2 only.
Created separate Byron and Braidwood (Braidwood) pages.
This is consistent with license amendment request to Byron Technical Specifications.(
Reference:
letter from K. A. Ainger to H. R. Denton, dated 38-27-86).
Pages Q40.185-1 Clarification of response to questions on
- and Q40.186-1 associated circuits.
-Page Q130.60-1 Revised response to question on structural
- (Braidwood) c:acks in masonry walls (
Reference:
letter from A. D. Miosi to H. R. Denton, dated 08-22-86).
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f ATTACEMENT A (Cont'd)
AMENDMENT 4 8 JULY 1987 i
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Page or Figure Number Description of Changes Page 0212.18-1 Clarification of rod drop time (see description of changes to pages 3.9-72 and 3.9-73) and changes to provide consistency with Table 14.2-66 (
Reference:
letter from K. A. Ainger to H. R. Denton, dated Pages Changes to discussion of design of leak
]
Q212.26-1,
. detection system in response to Commonwealth 212.29-1, Edison Quality Assurance commitment i
212.90-1,
(
Reference:
-letter from K. A. Ainger to j
212.92-1, and H. R. Denton, dated 10-30-86).
212.93 Page 0212.154-3 Schedule revision for performance-of a natural circulation cooldown test at Byron based on delayed review of Diablo Canyon test
(
Reference:
letter from K. A. Ainger to H. R. Denton dated 01-15-87 l'
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-AMENDMENT 48 f'.
J ULY 1987 -
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ATTACRMENT B DIFFERENCES BETWEEN FSAR REVISIONS TRANSMITTED TO NRC FOR ADVANCE REVIEW AND AMENDMENT 48 Transmittal Pages
. Letter'Date
. Differences 6.5-9?and
.10-30-86 Small corrections made to filter
.6.5-10 and fan capacities.
Also, on page (Byron and 6.5-10, the accessible-brea exhaust Braidwood) filter' plenum is corrected from 54,100 cfmL ( Amendment '47) to 41,830 cfm-to reflect the. revised subplenum capacities (13,943 cfm each).
'9.1-29a 10-29-86.
Last sentence of Subsection 9.1.4.2 l
-(top of page): " groups" changed to
" pairs"..
9.4-93,-
10-30-86 Small corrections to filter and fan 9.4-94 and capacities.
9.4-971 14.2-23 10-30-86 The previously submitted change to this page is not required, and the page will remain as it was in Amendment 47.
14.2-93,
'6-23-86 Minor wording changes made to be 14.2-96, consistent with FSAR format.
'and
^14.2-103 Q130.60-1 8-22-86 Wording of response changed to be
-(Braidwood) consistent with FSAR format.
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