Headquarters Daily Report

                         SEPTEMBER 22, 1995

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                    REPORT             NEGATIVE            NO INPUT
                    ATTACHED           INPUT RECEIVED      RECEIVED

HEADQUARTERS                           û                   
REGION I            û                                      
REGION II                              û                   
REGION III                             û                   
REGION IV                              û                   
PRIORITY ATTENTION REQUIRED  MORNING REPORT - REGION I  SEP. 22, 1995

Licensee/Facility:                     Notification:

Duquesne Light Co.                     MR Number: 1-95-0120
Beaver Valley 1 2                      Date: 09/22/95
Shippingport,Pennsylvania              RI/PC                              
Dockets: 50-334,50-412
PWR/W-3-LP,PWR/W-3-LP                 

Subject: INSTRUMENT ISOLATION VALVES MISPOSITIONED                       

Discussion:

On September 20, 1995, the instrument isolation valve for Unit 2 diesel  
generator 2-1 fuel oil daytank level instrument LIS 205A was found shut. 
Its normal position is open.  It is believed that the mispositioning     
occurred when the instrument line was used to take a fuel oil sample on  
September 14, 1995, by the chemistry department.  Two other level        
instruments on the same tank were found properly aligned and would have  
assured proper functioning of the fuel oil transfer system.              
                                                                         
On September 21, instrument isolation valve QS-173, a Unit 1 sodium      
hydroxide addition pump train B discharge header pressure gauge was found
open. Its normal position is shut to provide isolation from the          
non-seismically mounted pressure gauge. This valve had been independently
verified to be in its correct position two days earlier following        
completion of a surveillance test. Following identification of this      
mispositioning, the licensee verified correct positioning for all        
operations safety-related valves in the Unit 1 chemical addition         
building. In addition, safeguards checklists were completed for both     
units, and no deficiencies were identified. A security officer was posted
at the Unit 1 chemical addition building and accompanied anyone entering 
the building until the licensee successfully completed the safeguards    
checklists. A complete walkdown of all operations valves in the Unit 2   
diesel building is currently underway. The licensee is continuing their  
investigation, and have obtained the Unit 1 chemical addition building   
and the Unit 2 diesel building access records for review.                

Regional Action:

The resident inspectors are on site monitoring licensee activities.      

Contact:  Richard Conte              (610)337-5183
          Lawrence Rossbach          (412)643-2000
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