Headquarters Daily report JULY 11, 1994 *************************************************************************** REPORT NEGATIVE NO INPUT ATTACHED INPUT RECEIVED RECEIVED HEADQUARTERS X REGION I REGION II REGION III REGION IV *************************************************************************** PRIORITY ATTENTION REQUIRED MORNING REPORT - HEADQUARTERS JULY 11, 1994 MR Number: H-94-0063 NRR DAILY REPORT ITEM GENERIC COMMUNICATIONS BRANCH/EVENTS ASSESSMENT BRANCH DIVISION OF OPERATING REACTOR SUPPORT OFFICE OF NUCLEAR REACTOR REGULATION Subject: N/A NRC Generic Letter 94-02, "Long-Term Solutions and Upgrade of Interim Operating Recommendations for Thermal-Hydraulic Instabilities in Boiling Water Reactors," to be issued July 11, 1994. The NRC is issuing this generic letter to request that each addressee (1) take the appropriate actions to augment its respective procedures and training for preventing or responding to thermal-hydraulic instabilities in its reactors and (2) submit to the NRC a plan describing the long-term stability solution option it has selected and the implementation schedule it proposes for the modification of plant protection systems to ensure compliance with General Design Criteria (GDC) 10 and 12 in Appendix A to Part 50 of Title 10 of the Code of Federal Regulations (10 CFR Part 50). Technical contact: Larry Phillips, NRR (301) 504-3232 NRC Administrative Letter 94-08, "Consolidation of the NRC Region IV and Region V Offices," to be issued July 13, 1994. The NRC is issuing this administrative letter to inform addressees of the consolidation of the NRC Region IV and Region V offices. This administrative letter does not transmit or imply any new or changed requirements or staff positions. Contact: Elinor G. Adensam, NRR (301) 504-1353 NRC Information Notice 94-50, "Failure of General Electric Contactors to Pull in at the Required Voltage," to be issued July 14, 1994. The NRC is issuing this information notice to alert addressees that some full- voltage magnetic reversing controllers manufactured by General Electric Electrical Distribution & Control (GE ED&C) contained contactors with incorrect coils that would not close the contacts under degraded voltage conditions. Technical contacts: Kamalakar Naidu, NRR (301) 504-2980 Stephen Alexander, NRR (301) 504-2995 Leonard Cheung, RI (610) 337-5296 NRC Information Notice 94-51, "Inappropriate Greasing of Double Shielded Motor Bearings," to be issued July 15, 1994. The NRC is issuing this information notice to alert addressees to the potential for failure of safety-related equipment as a result of inappropriate greasing of double shielded motor bearings. Technical contact: Rick McWhorter, RII (703) 894-5421 NRC Information Notice 94-52, "Inadvertent Containment Spray and Reactor Vessel Draindown at Millstone Unit 1," to be issued July 15, 1994. The NRC is issuing this information notice to alert addressees to the potential for inadvertent containment spray and reactor vessel draindown as a result of valve misalignment caused by inadequate procedures. Technical contact: Amy Cubbage, NRR (301) 504-2875 NRC Information Notice 94-53, "Hydrogen Gas Burn Inside Pressurizer during Welding," to be issued July 18, 1994. The NRC is issuing this information notice to alert addressees to the potential for the ignition of hydrogen gas mixtures during welding operations while the reactor coolant system is depressurized. Technical contacts: Morris Branch, RII (804) 357-2101 Mark A. Caruso, NRR (301) 504-3235