ML19290B757
| ML19290B757 | |
| Person / Time | |
|---|---|
| Site: | Allens Creek File:Houston Lighting and Power Company icon.png |
| Issue date: | 12/04/1979 |
| From: | Copeland J BAKER & BOTTS, HOUSTON LIGHTING & POWER CO. |
| To: | AFFILIATION NOT ASSIGNED |
| References | |
| NUDOCS 7912140008 | |
| Download: ML19290B757 (10) | |
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\\\\1 UNITED STATES OF AMERICA DEC ogg7g p NUCLEAR REGULATORY COMMISSION C
O'"j.5 N BEFORE THE ATOMIC SAFETY AND LICENSING BOARD w*a A
w kro In the Matter of S
S HOUSTON LIGHTING & POWER S
COMPANY S
Docket No. 50-466 S
(Allens Creek Nuclear S
Generating Station, Unit S
No. 1)
APPLICANT'S RESPONSE TO JOHN F. DOHERTY'S SEVENTH SET OF INTERROGATORIES TO HOUSTON LIGHTING &
POWER COMPANY In response to the interrogatories propounded by John F. Doherty, Houston Lighting & Power Company (Applicant) answers as fo' lows:
INTERROGATORY NO. 7-1:
On page 5.5-5 of the PSAR, it says,
. Applicant notes the NRC has not approved the present applicant design."
There are discussions.
(The topic is protection against missiles generated when there is recirculation pump overspeed.)
a.
Have there been meetings on this item, and if so what outcome?
b.
If not, are any scheduled?
ANSWER:
a.
This item was discussed with NRC Staff on December 20, 1978.
The present PSAR Section 5.5.1.4 discussing this issue was submitted in Amendment 51 of the PSAR on March 21, 1979.
b.
No further meetings on this issue are scheduled.
1578 353 7922240 dd[
INTERROGATORY NO. 7-2:
On page 5.5-4 of the PSAR, it states the pump impeller is designed for as long a " life" as is practical, a.
How often is the impeller to be inspected for wear or damage?
b.
How is rotation of the impeller prevented from causing friction overheating?
ANSWER:
a.
There is no regular inspection planned for the recirculation pump impellers.
ok b.
The impeller is cooled by the flow of water through it.
INTERROGATORY NO. 7-3:
There is a dearth of information on the pump in the PSAR.
Therefore, please answer the below elementary questions.
a.
Are the recirculation pumps centrifugal?
b.
How many vanes in the impeller of' each pump?
c.
What is the minimum thickness of the pump case?
d.
Are the vanes open or shrouded?
e.
If not a centrifugal pump, what type is the recirculation pump (s) ?
f.
By how large a factor is the velocity of the liquid in the impeller reduced as it flows from the impeller to the disch,arge outlet?
g.
Is the recirculation pump impeller cast as one piece of metal?
h.
Will any of the stuffing box material contain Teflon?
i.
Classify the recirculation pump (s) as to:
1578 354
_2_
1.
Intake.
2.
Stage operation.
3.
Output head.
4.
Impeller, as to number of blades, and type of vanes.
AN5WER:
a.
The recirculation pumps are centrifugal.
b.
The recirculation pump impeller has five vanes, c.
The minimum thickness of the recirculation pump case is 2.91".
d.
The recirculation pump impeller vanes are double shrouded.
e.
N/A.
f.
The velocity of the liquid in the impeller is reduced by approximately 2.18 to arrive at the velocity of the liquid at the pump discharge outlet.
g.
The recirculation pump impeller is cast as one piece of metal.
h.
None of the recirculation pump stuffing box material will contain teflon.
i.
The recirculation pump is a single suction intake, single stage operation centrifugal pump developing 780 feet of discharge head.
For vane (blade) information, see b.
INTERROGATORY NO. 7-4:
Does applicant comply with regard to the Suppression-type Containment with the following General Design Criteria?
a.
GDC #1.
b.
GDC #2.
, 1578 555
c.
GDC #16.
d.
GDC #38.
e.
GDC #40.
f.
GDC #41.
g.
GDC #42.
h.
GDC #43.
i.
GDC #50.
j.
GDC #52.
k.
GDC #53.
1.
GDC #54.
m.
GDC #55.
n.
GDC #56.
o.
GDC #57.
1.
What criteria are offered instead of these for the pressure-suppression system?
2.
What other steps are being taken to meet commission requirements that are pertinent to the subject of the GDC?
3.
Why is applicant not in compliance with the particular GDC?
ANSWER:
Applicant complies with all General Design Criteria.
1.
N/A.
2.
N/A.
3.
N/A.
, 1578 356
INTERROGATORY NO. 7-5:
What actions are you currently taking to protect the reactor from multiple-sequential relief valve actuation?
ANSWER:
Applicant's design for relief valve set point control will protect the plant from multiple sequential relief valve operation.
This control logic is described in a letter dated Januar 31, 1978, from Glenn G. Sherwood (G.E.) to Edson G. Case (NRC).
A copy of the letter is available for inspection and copying at the Applicant's Engineering Development Complex.
INTERROGATORY NO. 7-6:
At the October, 1979, Prehearing Conference, did Applicant's counsel promise to place a transcript of those proceedings at the Houston Public Library?
ANSWER:
A copy of the transcript from the October, 1979, Special Prehearing Conference has been placed at the Houston Public Library (Downtown).
INTERROGATORY No. 7-7:
If the answer to 7-6 is "no",
please clarify if I may expect any access to a transcript through
~
applicant at Houston Public Library.
(Several TexPIRG contentions relate to two of mine.)
ANSWER:
N/A.
INTEREOGATORY NO. 7-8:
Who is the manufacturer of the ' relief valves in the overpressure protection system of ACNGS?
ANSWER:
The ACNGS safety / relief valves are manufactured by Crosby valves. 1578 357
INTERROGATORY No. 7-9:
Who manufactures the solenoid assembly of the power-operated relief valves (PORVs) of the ACNGS?
ANSWER:
The pilot solenoid for the ACNGS safety / relief valves is manufactured by Crosby valves with the exception of the solenoid coil which is made by Peter-Paul Industries.
Respectfully submitted, 7J OF COUNSEL:
J. Gregory Copeland C. Thomas Biddle, Jr.
BAKER & BOTTS Charles G. Thrash, Jr.
3000 One Shell Plaza 3000 One Shell Plaza Houston, Texas 77002 Houston, Texas 77002 LOWENSTEIN, NEWMAN, REIS, Jack R. Newman AXELRAD & TOLL Robert H. Culp 1025 Connecticut Avenue, N.W.
1025 Connecticut Avenue, N.W.
Washington, D.C.
20036 Washington, D.C.
ATTORNEYS FOR APPLICANT HOUSTON LIGHTING & POWER COMPANY 1578 358 STATE OF TEXAS S
S COUNTY OF HARRIS S
BEFORE ME, the undersigned authority, on this day personally appeared Jon G. White, who upon his oath stated that he has answered John F. Doherty's Seventh Set of Interrogatories to Applicant, Houston Lighting & Power Company, in his capacity as Supervising Engineer for Houston Lighting & Power Company, and all statements contained therein are true and correct to the best of his knowledge and belief.
L l
.e.
llu 8
, ew 4 (f Jon G. White
, j g";.
SUBSCRIBED AND SWORN TO BEFORE ME on this the
f day of / $ /': /) // + ?
, 19 //.
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NOTARY PUBLIC IN AND FOR HARRIS COUNTY, T E X A S Cheryl A. Scathworth S
1578 559 7
UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSION BEFORE THE ATOMIC SAFETY AND LICENSING BOARD In the Matter of S
S HOUSTON LIGHTING & POWER COMPANY S
Docket No. 50-466 S
(Allens Creek Nuclear Generating S
Station, Unit 1)
S CERTIFICATE OF SERVICE I hereby certify that copies of the foregoing Applicant's Response to John F. Dougherty's Seventh Set of Interrogatories to Houston Lighting & Power Company in the above-captioned proceeding were served on the following by postage prepaid, or by deposit in the United States mal ((Jeff m hay hand-delivery this 4 th day of 1979.
Sheldon J. Wolfe, Esq., Chairman Richard Lowerre, Esq.
Atomic Safety and Licensing Assistant Attorney General Board Panel for the State of Texas U.S. Nuclear Regulatory Commission P. O.
Box 12548 Washington, D. C.
20555 Capitol Station Austin, Texas 78711 Dr. E. Leonard Cheatum Route 3, Box 350A Hon. Charles J. Dusek Watkinsville, Georgia 30677 Mayor, City of Wallis ^
P. O.
Box 312 Mr. Gustave A. Linenberger Wallis, Texas 77485 Atomic Safety and Licensing Board Panel
. Hon. Leroy H. Grebe U.S. Nuclear Regulatory Commission County Judge, Austin County Washington, D. C.
20555 P.O.
Box 99 Bellville, Texas 77418 Chase R.
Stephens Docketing and Service Section Atomic Safety and Licensing Office of the Secretary of the
' Appeal Board Commission U.S. Nuclear Regulatory U.S. Nuclear Regulatory Commission Commission Washington, D. C.
20555 Washington, D. C.
20555 R. Gordon Gooch, Esq.
Atomic Safety and Licensing Baker & Botts Board Panel 1701 Pennsylvania Avenue, N. W.
U.S. Nuclear Regulatory Washington, D.
C.
20006 Commission Washington, D. C.
20555 1578 360
Steve Schinki, Esq.
Carolina Conn Staff Counsel 1414 Scenic Ridge U.S. Nuclear Regulatory Commission Houston, Texas 77043 Washington, D. C. 20555 Elinore P. Cumings John F.
Doherty Route 1, Box 138V 4.327 Alconbury Street Rosenberg, Texas 77471 Houston, Texas 77021 Stephen A. Doggett, Esq.
Robert S.
Framson P.
O. Box 592 Madeline Bass Framson Rosenberg, Texas 77471 4822 Waynesboro Drive Houston, Texas 77035 Robin Griffith 1034 Sally Ann Carro Hinderstein Rosenberg, Texas 77471 8739 Link Terrace Houston, Texas 77025 Leotis Johnston 1407 Scenic Ridge D. Marrack Houston, Texas 77043 420 Mulberry Lane Bellaire, Texas 77401 Rosemary N. Lemmer 11423 Oak Spring Brenda McCorkle Houston, Texas 77043 6140 Darnell Houston, Texas 77074 Kathryn Otto Route 2, Box 62L F. H. Potthoff, III Richmond, Texas 77469 7200 Shady Villa, #110 Houston, Texas 77055 Frances Pavlovic 111 Datonia Wayne E.
Rentfro Bellaire, Texas 77401 P. O.
Box 1335
~
Rosenberg, Texas 77471 Charles Perez 1014 Montrose James M.
Scott, Jr.
Houston, Texas 77019 8302 Albacore Houston, Texas 77074 William Schuessler 5810 Darnell Bryan L. Baker Houston, Texas 77074 1118 Montrose Houston, Texas 77019 Patricia L. Strelein Moute 2, Box 395C Dorothy F. Carrick Richmond, Texas Box 409, Wagon Rd. Rfd. #1 Wallis, Texas 77485
-2.-
1578 361
Glen Van Slyke 1739 Marshall Houston, Texas 77098 Donald D. Weaver P. O. Drawer V Simonton, Texas 77476 Connie Wilson 11427 Oak Spring Houston, Texas 77043 Mr. J. Morgan Bishop 11418 Oak Spring, Texas 77043
?J $ Y C. Thomas Biddle, Jr.
1578 562 L-3