ML20206C408
| ML20206C408 | |
| Person / Time | |
|---|---|
| Site: | Beaver Valley |
| Issue date: | 11/03/1988 |
| From: | Sieber J DUQUESNE LIGHT CO. |
| To: | NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM) |
| References | |
| NUDOCS 8811160264 | |
| Download: ML20206C408 (3) | |
Text
____ ___ ___ -_ __.
,t
~
N.Y
~
Shoprgocst PA15077&O4 l
i CO L,%
n en sas November 3, 1988 U. S. Nuclear Regulatory Commission j
Attn:
Document Control Desk i
Washington, DC 20555
Reference:
Beaver Valley Power Station, Unit No. 2 Docket No. 50-412, License No. NPF-73 i
Proposed Operating License Change Request No. 17 l
Gentlemen:
j Attached is additional information on the Beaver Valley Unit No.
2 station batteries that you have requested.
This infor:aation t
was requested as part of your review of our proposed operating i
license change reqv.est no. 17, dated October 24, 1988.
Should you have any additional questions on this matter, please contact my office.
very truly yours,
[
/ k-D. Sieber Vice President i'
Nuclear Group
?
i Attachment i
cc:
Mr. J.
Beall, Sr. Resident Inspector l
Mr. W. T. Russell, HRC Region I Administrator Mr.
P. Tam, Sr. Project Manager i
Director, Safety Evaluation & Control (VEPCO)
Mr. T. M. Gerusky, Director BRP/ DER Mr. R. Janati, BRP/ DER I
b YAUE0 8lfb8)!
\\
ro
a ATTACHMENT Beaver Valley Unit No. 2 Statien Battery No. 2-3 i
Response to Additional Information for Technical Specification Change Request No. 17 1
1.
Question How old is.the station battery's
Response
This battery was capacity tested at the factory in April, 1983 just prior to shipment.
2.
Question l
i j
When was the battery last tested?
l
Response
The 60 month performance discharge test per Technical Specification 4.8.2.3.2.e was performed on May 27, 1987.
A battery service test was not performed at that time since per l
9 specification 4.8.?.3.2.e once every 60 months the battery performance discharge test may be performed in lieu of the service test.
Approximately 3 1/2 months of the 25% allowable extension per specification 4.0.2 was used during this surveillance intervsl.
[
3.
ouestion l
What was the measured be.ttery capacity during this test?
l t
Resconse I
The results of this test indicated a battery capacity of 95%.
(
r j
4.
ouestion l
l When were the other 1E stction batteries last tested?
[
]
Response
j I
The last battery service and performance dischstge test date are h
as follows:
j Batterv No.
Service Test Performance Disch. Test 5/28/87
(
2-1
)
2-2 1/30/08 6/11/87 i
5/27/87 j
2-3 2-4 1/30/88 6/10/87
{
i i
j f
i i
]
i
- o*
Attcch00nt P, age 2 i
5.
-ouestion Do you plan to test all 1E station batteries during the first
'f refueling outage?
o
Response
- Yes, all four station batteries will have a battery service test performed per Technical Specification 4.8.2.3.2.d during the i
outage.
i 6.
Question What is the expected load vs. capacity of the No. 2-3 battery?
Response
t The load profile for the No. 2-3 battery is 77 amps for 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> i
(include a 1".% margin).
This is stated in the Unit No. 2 FSAR in Table 8.3-9.
The capacity of the No.
2-3 battery is 1140 1
ampere-hours as described in section 8.3.2.1.3 of the FSAR.
?
l 4
I
(
i l
t a
l I
1 i
i j
t I
l
?
I 1
i i
I l
I 1
i i
f 1
l 1
1 i
l
.1 j