ML19296C324
| ML19296C324 | |
| Person / Time | |
|---|---|
| Site: | Trojan File:Portland General Electric icon.png |
| Issue date: | 02/01/1980 |
| From: | Engelken R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| To: | Goodwin C PORTLAND GENERAL ELECTRIC CO. |
| References | |
| NUDOCS 8002250580 | |
| Download: ML19296C324 (1) | |
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o UNITED STATES S 'y ) '..-, 7 ',j NUCLEAR REGULATORY COMMISSION nC REGION V
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1990 N. CALIFORNIA BOULEVARD
,e SutTE 202, WALNUT CRE E K PLAZA WALNUT CREEK, CALIFORNIA 94596 February 1, 1980 Docket No. 50-344 Portland General Electric Company 121 S. W. Salmon Street Portland, Oregon 97204 Attention: fir. Charles Goodwin, Jr.
Assistant Vice President Gentlemen:
The enclosed Circular 80-02 is fonvarded to you for infonnation.
If there are any questions related to your understanding of the suggested actions, please contact this office.
Sincerely,
.h.7:
if R. H. Engelken Director
Enclosures:
1.
IE Circular t'o. 80-02 2.
List of IE Circulars Recently Issued cc w/ enclosures:
C. P. Yundt, PGE F. C. Gaidos, PGE J. W. Lentsch, PGE 8002250 580
SSINS flo.: 6830 SCCession No.:
UNITED STATES 79121903E7 NUCLEAR REGULATORY COM.*11SSION OFFICE OF INSDECTION AND ENFORCE"ENT WASHINGTON, D.C.
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4 February 1, 1980 J1 IF Circular No. 80-02 UUCLEAR POWER PLANT STAFF WORK HOURS Description of Circunstances:
Studies indicate that with fatigue, especially because of loss of sleep, an individual's detection of visual signals deteriorates markedly, the tine it takes for a person to make a decision increases and more errors are made, and reading rates decrease.
Other studies show that fatigue results in personnel ignoring some signals because they develcp their own subjective standards as to what is important, and as they becone more fatiqued they ignore more signals.
Ir.spections of oersonnel perfornance and trainino since the accident at Three Mile Island, have shown that in certain situations facility oersonnel are either reouired or allowed to remain on duty for extended periods of time.
Also, conplaints have been received fron sone licensed nuclear power plant operators concerning the number of continuous hours they have been on duty.
Licensee ranagement is responsible for providing a sufficient number of trained personnel who are in the proper physical condition to operate and maintain the plant. Licensee management should review their administrative procedures covering th? uorkirg hours of nuclear nower plant staff. These procedures should establish a sound policy covering working hours for plant staff who perform safety related functions (e.g., senior reactor operators, reactor operators, health physicists, auxiliary operators, I&C technicians, key maintenance personnel, etc.)
Subconmittee A!S-3 is currently developing criteria to address the subject of operator work hours. These guidelines will become a cart of ANSI N18.7. The NRC is also considering issuing requirenents for administrative orocedures that would control staff overtine.
Untii either the ANSI Standard is issued and endorsed by NRC (via a Reculatory Guide) or separate requirenents are issued by NRC, it is recommended that the following guidance be used. The guidance snould be aoplied to all personnel nerforming a safety related function:
1.
Scheduled work should be linited to the following naxinun work hours:
a.
An individual should not be oernitted to work nore than 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> s tra igh t.
IE Circular flo. 80-02 February 1, 1980 Page 2 of 2 b.
There should be at least a 12-hour break between all work oeriods.
c.
An individual should not work nore than 72-hours in any 7-day period.
d.
An individual should not work nore than la consecutive days without havinq 2 consecutive days off.
2.
In the event that special circurstances arise that require deviation from the above, such deviations should be authorized by the Station flanager with appropriate docurentation of the cause.
Diants should be staffed and schedules developed to operate sucn that exceptions are not reouired.
3.
If an operator is required to work in excess of 12 continuous hours, his duties should be carefully selected.
It is preferable that he not be assioned any task that affects core reactivity or could possibly endanger the safe operation of the plant.
th written resoonse to this Circular is required.
If you desire additional inforration regarding this natter, contact the Director of the aopropriate T4RC Regional Office.
IE Circular flo. 80-02 Enclosure February 1, 1980 RECEtlTLY ISSUED IE CIRCULARS Circular Subj ect Date of Issued to flo.
Issue 80-01 Service Advice for GE 1/17/80 All licensees of Induction Disc Relays nuclear power reactor operating facilities and holders of nuclear power reactor cps 79-25 Shock Arrestor Strut 12/20/79 All licensees and Assembly Interference holders of power reactor cps 79-24 Proper Installation and 11/26/79 All Holders of a Calibration of Core Spray Power Reacter CL or Pipe Break Detection CP Equipment on BWRs.
79-23 Motor Starters and 11/26/.9 All Power Reactor and Contactors Failed Operating Facilities to Operate and Holders of Reactor cps 79-22 Stroke Times for Power 11/16/79 All Power Reactor Operated Relief Valves Operating Facilities and all Utilities having a CP 79-21 Prevention of Unplanned 10/19/79 All holders of Power Releases of Radioactivity Reactor OLs and cps 79-20 Failure of GTE Syl'7nia 9/24/79 All holders of Power Relay, Type Pti, Bulletin Reactor OLs and cps 7305, Catalog SU12-11-AC with a 12V AC Coil 79-19 Loose Locking Devices 9/13/79 All Holders of Power on Ingersoil-Rand Pumps Reactor OLs and cps 79-18 Proper Installation of Target 9/10/79 All Holders of Power Rock Safety-Relief Valves Reactor OLs and cps 79-17 Contact Problen in SB-12 8/14/79 All Power Reactor Switches on General Electric Licensees with a CP Company Metalclad Circuit and/or OL Breakers