ML20236B565
| ML20236B565 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 10/16/1987 |
| From: | Cowgill C NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| To: | Bettenhausen L NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| NUDOCS 8710260241 | |
| Download: ML20236B565 (4) | |
Text
{{#Wiki_filter:- q .pd ] e -1 USHRC-OS !i 1 M OCT 2b A' 453' ~16 0071987 1 1 1 -Docket.No'. 50-289 ~ i MEMORANDUM FOR: Lee H. Bettenhausen, Chief l Projects Branch No. 1 R Division of Reactor Projects FROM: Curtis J._Cowgill, Chief Reactor Projects Section No. IA
SUBJECT:
TMI-1 STATUS REPORT FOR THE PERIOD SEPTEMBER 18 - OCTOBER 15, 1987 ' Enclosed is.the status report from the NRC Resident Office at TMI-1 for the 4 ~ subject. period... These reports are an NRC Region I initiative to provide NRC: management and'the public with highlights of significant events at TMI-1 from an NRC regulatory perspective. l Che 0 $ 0 Ae dv. he h h CurtisJ.Cowgi'll,Dhief Reactor Projects Section 1A
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ENCLOSURE TMI-1 STATUS REPORT FOR THE PERIOD SEPTEMBER 18 - OCTOBER 15, 1987 1. Plant Status As of 8:00 a.m. on October 15, 1987, TMI-1 was operating at full power with the reactor coolant system (RCS) at normal operating temperature (579 F average) and pressure (2155 psig). 2. Facility Operations Summary During the report period, the plant continued to operate at full power i since its return to power operation after the trip of September 16, 1987. 3. Items'of Special Interest - Anomalous Reuter-Stokes Monitors In letters, dated August 20 and September 21, 1987, the licensee reported l-to the Commonwealth of Pennsylvania anomalous readings at two of their environmental radiation (Reuter-Stokes) stations. The letters stated that: "Two anomalous readings were recorded at the Becker Farm Reuter-Stokes Station. The first reading of 1.85 mrem /hr [ milli-rem / hour] was recorded at 18:43 EST [6:43 p.m.]. On August 19, 1987 at 18:59 EST [6:59 p.m.] a reading of 3.67 mR/hr was recorded." l "There was no release from TMI in progress during the subject l time period." "An anomalous value was reported on June 5, 1987 at the Alwine i Farm Reuter-Stokes Station. The five-minute average between 09:50 and 09:55 EST [9:50 and 9:55 a.m.] was 0.0322 mrem /hr." l "There was no release from TMI in progress during this time ) period. The value was recorded immediately following a manual inspection of the Rustrak recorder on that unit. Manual inspections, including that of Rustrak recorders and other i Reuter-Stokes electronic components, have caused erroneous i elevated readings in the past." l "No other stations in the TMI Environmental Real-Time Monitoring l System had readings outside their normal ranges during the subject time periods." 1 Normal readings are within 5-10 micro-rem / hour. i l l l
2 Enclosure k 4. NRC Staff Activities During the Period The NRC staff: assigned on site consisted of the senior resident inspector, 1 one resident inspector, and a secretary. On October 7, 1987, Inspection Report No. 50-289/87-13 was issued by NRC l Region I. This report was the routine monthly resident inspector report l and covered the period from July 9 to September 4, 1987. No violations were identified. The senior resident inspector met with a representative of TMI Alert on September 16, 1987, to discuss the findings in NRC Inspection Report Nos. 289/87-09 and 87-11. Additional NRC Region I management assignments for the Division of Reactor l Projects have been formalized. Mr. Curtis J. Cowgill is now assigned as i the Section Chief for Reactor Projects Section 1A, which has responsibili-ty for TMI-1 staff, as well as certain other plants in Region I. He replaces Mr. Allen R. Blough. I 4 l l l l t L__ - _ _. _ - _ _ __ _ _ _. - _. _ _ _ _ _ _ _}}