Headquarters Daily Report JULY 22, 1998 *************************************************************************** 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 - HEADQUARTERS JULY 22, 1998 MR Number: H-98-0111 NRR DAILY REPORT ITEM GENERIC COMMUNICATIONS Information Notice 96-48, Supplement 1: Motor-operated Valve Performance Issues Dated July 24, 1998 The U.S. Nuclear Regulatory Commission is issuing this information notice to alert addressees to recent guidance from Limitorque Corporation for predicting torque output from its motor actuators used to open and close motor-operated valves (MOVs). This supplement to NRC Information Notice (IN) 96-48 (August 21, 1996), "Motor-Operated Valve Performance Issues," revises the information on motor actuator output presented earlier. The information in IN 96-48 on the Electric Power Research Institute (EPRI) MOV Performance Prediction Program and on the failure of MOV keys is not affected by this supplement's updated information on motor actuator output. Technical contacts: Thomas G. Scarbrough, NRR Billy H. Rogers, NRR 301-415-2794 301-415-2945 Email: tgs@nrc.gov Email: bhr@nrc.gov _