United States Nuclear Regulatory Commission - Protecting People and the Environment

LICENSEE: GRINNELL CORP, NORTH KINGSTOWN, RI 
SITE: GRINNELL CORP, NORTH KINGSTOWN        EN NUMBER:31009
DOCKET:                                  EVENT DATE: 09-16-96
RX TYPE:                                 EVENT TIME: 00:01
VENDORS:                                NOTIFY DATE: 09-16-96
EMERGENCY CLASS: N/A  REGION: 1 STATE: RI      TIME: 12:11
OPS OFFICER: CHAUNCEY GOULD           
10 CFR SECTION: CCCC  21.21               UNSPECIFIED PARAGRAPH

- 10 CFR PART 21 REPORT -                                        
                                                                 
THE GRINNELL CORPORATION DISCOVERED DEVIATIONS ON A DUKE POWER   
PURCHASE ORDER FOR GRINNELL HYDRAULIC SHOCK AND SWAY SUPPRESSORS 
(SNUBBERS).                                                      
                                                                 
THESE SNUBBERS HAD BEEN QUALIFIED TO ENVIRONMENTAL CONDITIONS    
THAT VARY FROM THE ACCIDENT ENVIRONMENTAL CONDITIONS CONTAINED IN
DUKE POWER'S SPECIFICATIONS FOR THE MCGUIRE AND OCONEE PLANTS.   
GRINNELL NOTIFIED DUKE POWER SO THAT THEY COULD PERFORM A SAFETY 
EVALUATION.  DUKE POWER NOTIFIED GRINNELL THAT THE SNUBBERS ARE  
OPERABLE AS SHIPPED.  THEY ARE CONTINUING FURTHER INVESTIGATION  
OF THESE SNUBBERS.                                               
                                                                 
***UPDATE BY GRINNELL CORPORATION TAKEN BY MACKINNON ON 11/19/96 
@ 0950***                                                        
                                                                 
GRINNELL CORPORATION SENT THE FOLLOWING FACSIMILE UPDATING THE   
ABOVE 10 CFR PART 21 REPORT:                                     
                                                                 
"GRINNELL HAS REVIEWED ALL CUSTOMERS DESIGN SPECIFICATIONS FOR   
ENVIRONMENTAL CONDITIONS RELATED TO HYDRAULIC SNUBBERS.  WE FOUND
THAT, EXCEPT FOR THE ORIGINAL INCIDENT WITH DUKE POWER, THE      
HYDRAULIC SNUBBERS SHIPPED BY GRINNELL MET THE CUSTOMER'S DESIGN 
SPECIFICATIONS.  THIS REVIEW COVERED THE PERIOD FROM YEAR 1986 TO
PRESENT."                                                        
                                                                 
"SINCE DUKE POWER HAS NOTIFIED GRINNELL THAT THE SNUBBERS        
SUPPLIED 'ARE OPERABLE AS SHIPPED,' WE HAVE DETERMINED IT IS NOT 
NECESSARY TO FILE A REPORT UNDER THE RULES OF 10 CFR PART 21."   
                                                                 
THE NRC OPERATIONS CENTER SENT THIS UPDATE TO NRR (VERN HODGE).  

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