ML20135F049
| ML20135F049 | |
| Person / Time | |
|---|---|
| Site: | Beaver Valley |
| Issue date: | 02/28/1997 |
| From: | Jain S DUQUESNE LIGHT CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NUDOCS 9703110147 | |
| Download: ML20135F049 (2) | |
Text
-
. ~.. ~.
- ..o ver Valley Power Station Shippingport, PA 15077-0004 i
SUSHIL C.JAIN (412) 393 5512 DMalon Vice President Fax (412) 643 8069 w Division U. S. Nuclear Regulatory Commission Attention: Document Control Desk I
Washington, DC 20555-0001
Subject:
Beaver Valley Power Station, Unit No. I and No. 2 BV-1 Docket No. 50-334, License No. DPR-66
?
BV-2 Docket No. 50-412, License No. NPF-73 i
Annual Report of All Challenges to the Pressurizer Power Operated Relief or Safety Valves Attached is the annual report for 1996 of all challenges to the pressurizer power operated relief valves (PORV) or the pressurizer safety valves at Beaver Valley Power Station Unit Nos. I and 2.
Sincerely, Sushil C. Jain
/
//
I Attachment
/
TA} c L>7 4 i 'i 8
c:
Mr. D. M. Kern, Sr. Resident Inspector Mr. H. J. Miller, NRC Region I Administrator a
Mr. D. S. Brinkman, Sr. Project Manager j
l l
lQC64 9703110147 970228 PDR ADOCK 05000334 DEllVERING P PDR c QUAllTY E N E II G V l @MEMMMM.Inp
Beaver Valley Power Station 1996 Annual Report of Pressurizer PORV or Pressurizer Safety Valve Challenees This report is submitted in accordance with the Beaver Valley Power Station Unit Nos.1 and 2 Technical Specifications 6.9.1.4 and 6.9.1.5.b. Unit 1: There was one challenge to the pressurizer power operated relief valves (PORV) at Unit 1 during the period of January 1,1996, to December 31,1996. Date: August 13,1996 Plant Condition: Mode 5, reactor coolant system (RCS) pressure was 380 psig, overpressure protection system (OPP 53 was in service. The startup of RC-P-1C was in progress. Summary: Pressurizer power operated relief valve PCV-RC-455C momentarily opened as RC-P-1C was started. Indicated pressure on P-RC-403 was noted to rise shortly before the PORV actuation. The PORV remained opened until RCS pressure had decreased to 355 psig as indicated by P-RC-402 and 373 psig as indicated by P-RC-403. There were no challenges to the pressurizer safety valves at Unit 1 during the period of January 1,1996, to December 31,1996. Unit 2: There were no challenges to the pressurizer power operated relief valves or the pressurizer safety valves at Unit 2 during the period of January 1,1996, to December 31, 1996.}}