ML20054F016
| ML20054F016 | |
| Person / Time | |
|---|---|
| Site: | Palo Verde  |
| Issue date: | 05/26/1982 |
| From: | Van Brunt E ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR |
| To: | Bishop T NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| References | |
| 10CFR-050.55E, 10CFR-50.55E, ANPP-21044-GHD, DER-81-52, NUDOCS 8206150139 | |
| Download: ML20054F016 (5) | |
Text
-
)
O T ne"M6 " "
IHOUVED
. ""O
- 50. 55 (e)
}
3003
$TA.
P.o. box 21666 PHOENIX. ARIZONA 85036 May26,19E2Z
ANPP-21044-CHD/BSK U. S. Nuclear Regulatory Commission Region V Creekside Oaks Office Park 1450 Maria Lane - Suite 210 Walnut Creek, California 94596-5368 Attention:
Mr. T. W. Bishop, Chief Reactor Construction Projects Branch
Subject:
Final Report - DER 81-52 A 50.55(e) Report Relating to Unit 1 Low Pressure Safety Injection Pumps and Containment Spray Pumps Have Potentially Loose Anti-Rotatior. Pins File: 82-019-026 D.4.33.2
Reference:
(A) Telephone Conversation between J. Eckhardt and G. Duckworth on December 30, 1981 (B) ANPP-20014, dated January 28, 1982 (Interim l
Report) i (C) ANPP-20486, dated March 19, 1982 (Time Extension)
(D) ANPP-20818, dated April 27, 1982 (Time Extension)
Dear Sir:
Attached, is our final written report of the deficiency referenced above, which has been determined to be Not Reportable under the
{
requirements of 10CFR50.55(c).
Very truly yours
{
CLL(
OL E. E. Van Brunt, Jr.
APS Vice President Nuclear Projects ANPP Project Director EEVBJr/GHD:ske Attachment ec: See Attached Page 2 8206150139 820526
%]
PDR ADOCK 05000528 s'2-M4 j
s U. S. Nuc1cir R:gulatory Commir; ion Attention:
Mr. T. W. Bishop, Chief ANPP-21044-Gild /BSK May 26, 1982 Page 2 cc:
Richard DeYoung, Director Office of Inspection and Enforcement U. S. Nuclear Regulatory Commission Washington, D. C.
20555 J. A. Roedel D. B. Fasnacht G. C. Andognini A. C. Rogers B. S. Kaplan W. E. Ide J. Vorces J. A. Brand A. C. Gehr W. J.
Stubblefield W. G. Bingham R. L. Patterson R. W. Welcher R. M. Grant D. R. Ilawkinson L. E. Vorderbrueggen G. A. Fiorelli Lynne Bernabel, Esq.
Ilarmon & Weiss 1725 "1" Street, NW Suite 506 Washington, D. C.
20006 R. L. Greenfield Assistant Attorney General Bataan Memo-ial Building Santa Fe, New Mexico 87503
~
O O
A FINAL REPORT - DER 81-52 DEFICIENCY EVALUATION 50.55(e)
ARIZONA PUBLIC SERVICE COMPANY (APS)
PVNGS UNITS 1 1.
Description of Deficiency Combustion Engineering identifled a low pressure safety injection pump failure at the Arkansas One plant. Sub-sequent Combustion Engineering correspondence requested Bechtel to check and reinstall any loose Anti-Rotation Pins in the low pressure safety injection and containment spray pumps manufactured by Ingersoll-Rand.
II.
Analysis of Safety Inplications This condition is evaluated as Not Reportable based on the attached Combustion Engineering Letter V-CE-15903, dated February 10, 1982. Should this condition have remained undetected and/or uncorrected, it would not represent a safety significant condition.
III.
Corrective Action i
Nonconformance Report NA638 (Low Pressure Safety Injection Pump) 'will be dispositioned to secure the loose pins by tack welding in compliance with Combustion Engineering Letters V-CE-6180, dated March 15, 1980, and V-CE-6354, dated October 8, 1981.
Uonconformance Report NA639 (Containment Spray Pump) will I
be dispositioned as Use-As-Is, since the pins were found to be tight by Bechtel. Field personnel.
The above pumps for Unit I were modified under Ingersoll-Rand supervision. The pump sets for Unita 2 and 3 were modified by Ingersoll-Rand prior to delivery to the jobsite (see attached Letter I-R to W. G. Bingham, dated April 16, 1982).
i 1
C E P;w:r Sy t:ms Tcl 203/688-1911
( ;
'82 FS M g MN g
Combustion Engincenn. c.
T;l;x: 99297 1000 Prospect Hill Rold Windsor. Connecticut 06095
'N IJ O f. M * > r 6T'c1 thBh1f)v 'l ~/
7p_3f E POWER
~
atra SYSTEMS
~ Feoruary 10, 1982 JMA
~
V-CE-15903
[gr
^]
Supv Mr. W. G. Bingham
'p g - 5
~83 Bechtel Power Corporation
-BSK 6
12400 East Imperial Highway DBP
/
flonvalk, California 90650
- RLR
/
- JAR
'/
Subject:
Af1PP Bechtel Job 10407 y
[ACR 6
Anti-rotation Pins LPSI CSPumps 8e WEI
//
3
_y1M
//
References:
B/CE-E-37869, dated December 31, 1981
/dh
/
Bechtel Deficiency Evaluation Report flo. 81-52,5 S dated 12/17/81.
n.U
?ERVD..igf_a_ng.
(C) CE letter V-CE-8313, dated 5/25/79
$3
.EWY I
o p_g
Dear Mr. Bingham:
FILE
.t?-c O/ - Vl1. / can.
- Reference (A) fonvarded Reference (B) to CE and asked for CE input as to the reportability of the reported deficiency. CE does not consider the loose fitting " anti-rotation pin" situation to be a reportable deficiency item for the following reasons:
1.
The pins are all to be checked for tightness at tne site orior to pump operation. Any pins discovered to be loose are to be reinstalled in accordance with the procedure in Reference (C) above.
2.
If a pin were to come loose it would remain captive in the region between the impeller and diffuser. This event occured at Arkansas.
floise of the pin rattling between impeller and diffu;er was detected and the cump shut down and disassembled.
The pin which was originally about 1 " long by h" diameter had been reduced to the size of a pencil eraser.
3.
The pin is not designed to carry any loads, but is merely a device to properly locate the diffeser during pump assembly. The diffuser is secured in position, between the stuffing box extension and the suction ring, when the main casing bolting is torqued, thereby preventing its rotation.
If you have any questions, please contact us.
Ver' tru
,ours,
.W' C. Fero n
Proj t e.anager cc: Messrs:
E. E. Van Brunt, Jr.
R. H. Holm S. N. Mager F. W. Hartley W. L. MacDonald G. C. Andognini W. H. Wilson G. A. Buttenvorth D. B. Amerine
J v
Attechment to DER 81-52 Q INGERSOLL4tAND La ^a9** once WRand Compay AP,ril 16, 1982 5533 Eam Oym Bohad Mgh w ms. cA ma (213) 723-0131 JLt
=_
Bechtel Power Corporation P.O.
Box 60860 - Terminal Annex I.PR 22'82 Los Angeles, CA 90060 a
a y_ n a..~
Attention:
Mr. William Bingham T7 5'i=5 g,s apt at in A F f #1 au.nAtAn
Subject:
ANPP-Palo Verde Nuclear Generating Station M___ *1 = "
Units 1,2 and 3 UN Model 8x20 WDF Low Pressure Safety Injection Pm
~
I-R Orders 001-36423/26/29 and
't""'*
Model 8x23 WDF Containment Spray Pumps
'ir>M -
n I-R Orders 001-36424/27/30 g.%
(Lt0 i
Emf eke.t as I
Gentlemen:
n.wp p.
--g,y_
We respond to your recent request for clarification of the_ _pu#
rd change in the anti-rotation pin to prevent the diffusor f~-~ 'f V*i=-
rotating in the pump casing.
On Unit #1 both sets of pumps were modified by captive welding ~
the pin undet Ingersoll-Rand supervision.
On Units #2 and #3 the pump sets were shipped later and we wer able to incorporate a design change during manufacture so that the pin is permanently secured and no field modification of t ase pumps is required.
We hope this clarifies the situation.
Very truly yours, TNGERSOLL-RAND COMPANY Ted R. Kernkamp mm 4
$a L LCTTO P
y AN Oss R OF C
y T T T
MANGE wit & NOTICE f,_
- 2 :
= :.
~
A-