ML20092B616
| ML20092B616 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 06/04/1984 |
| From: | Eisenhut D Office of Nuclear Reactor Regulation |
| To: | GENERAL PUBLIC UTILITIES CORP. |
| Shared Package | |
| ML20092B619 | List: |
| References | |
| NUDOCS 8406200306 | |
| Download: ML20092B616 (4) | |
Text
7590-01 UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSION In the Matter of
)
GENERAL PUBLIC UTILITIES NUCLEAR Docket No. 50-289 CORPORATION, ET AL
)
(Three Mile Island Nuclear Station,
)
Unit No. 1)
)
g d
EXEMPTION I.
The General Public Utilities Nuclear Corporation (the licensee),
and three other co-owners are the holders of Facility Operating License No. DPR-50, which authorizes the operation of Three Mile Island Nuclear Station, Unit No.1 (the facility) located in Dauphin County, Pennsylvania.
The license is subject to all rules and regulations of the Nuclear Regulatory Commission (the Consnission).
II.
10 CFR 50.48, " Fire Protection," and Appenaix R to 10 CFR Part 50,
" Fire Protection Program for Nuclear Power Facilities Operating Prior to January 1, 1979" set forth certain specific fire protection features required to satisfy the General Design Criterion related to fire protection (Criterion 3, Appendix A to 10 CFR 50). -
Section III.G of Appendix R requires fire protection for equipment important to safe shutdown.
Such fire protection is achieved by various combinations of fire barriers, fire suppression systems, fire detectors,
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8406200306 840604 PDR ADOCK 05000289 F
i 7590-01,
i and separation of safety trains (III.G.2) or alternate safe shutdown equipment free of the fire area (III.G.3). The objective of this protection is to assure that one train of equipment needed for hot f
shutdown would be undamaged by fire, and that system: needed for cold shutdown could be repaired within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> (III.G.1).
III.
By letter dated July 1,1982, the l'icensee requested exemptions from the technical requirements of Section III.G.2 of Appendix R to 10 CFR 50 for various areas of the facility. By letters dated December 2, 1982, and April 8, 1983, the licensee provided additional information regarding the exemption requests, modified certain of the requests, and withdrew one j
request. The remaining requested exemptions and the Commission's decision on each one are noted 5elow.
1.
III.G.2; Reactor Building Outside Secondary Shield, North; Exemption requested from requirement to install noncombustible radiant _ energy shield. Granted.
2.
III.G.2; Heat Exchanger Vault; Exemption requested from requirement for physical separation and/or a fire suppression system. Granted.
3.
III.G.2; Valve Gallery; Exemption requested from the requirement i
for an automatic fire suppression system. Granted.
4.
III.G.2; Eng'neered Safeguards Motor Center B; Exemption requested i
from the esquirement for an automatic fire suppression system.
{
Granted.
5.
III.G.2;_ Penetration Area; Exemption requested from the requirement for one-hour fire rated barriers. Granted.
6.
III.G.2; IR Switchgear Area; Exemption requested from the reouirement for one-hour fire rated barriers. Granted.
e
-w
7590-01 4 7.
III.G.2; IT Switchgear Area; Exemption requested from the requirement for one-hour fire rated barriers. Granted.
8.
III.G.2; Control Building Health Physics and Lab Area; Exemption requested from the requirement for an automatic fire suppression system. Granted.
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III.G'2; General Area - Elevation 281 Feet; Exemption requested
]
from the requirement for an automatic fire suppression system and an area-wide fire detection system.
Granted.
10.
III.G.2; Demineralizers and Motor Control Center"A; Exemption requested from the requirement for a one-hour fire rated barrier and an automatic fire suppression system.
Granted.
11.
III.G.2; Valve Gallery and Penetration Room; Exemption requested from the requirement for a one-hour fire rated barrier and an automatic fire suppression system. Granted.
12.
III.G.2; Motor Driven Emergency Feedwater Pump Area; Exemption.
requested from the requirement for a one-hour fire rated barrier and an automatic fire suppression system. Granted.
13.
III.G.2; Decay Heat Removal and Nuclear Service Closed Cycle Cooling Pump Area; Exemption requested from the requirement for a one-hour fire rated barrier and an automatic fire suppression system. Granted.
Additional discussion and evaluation of each exemption request is contained in the NRC staff's Safety Evaluation (SE) which is printed in-its entirety below.
The above exemptions are contingent upon the licensee's maintenance of administrative control of transient combustibles which are equivalent to those specified in Section III.K.1 through III.K.8 of Appendix R to 10 CFR 50 and any characterization of transient combustibles or design features which are specifically discussed in the NRC staff's SE.
IV.
Accordingly, the Commission has determined that, pursuant to.10 CFR 50.12,theexemptionsrequestedbylthelicensee'slettersasreferenced l
i
7590-01 and discussed in III. above are authorized by law, will not endanger life l
or property or the common defense and security, are otherwise in the public interest, and are hereby granted.
The Commission has determined that the granting of these exemptions will not result in any significant environmental impact and that pursuant to 10 CFR 51.5(d)(4) an environmental impact statement or negative declaration art environmental impact app'raisal need not be prepared in connection with this action.
This Exemption is effective upon issuance.
OR THE NUCLEAR REGULATORY COMMISSION r
Darrell G'. E en ut, Director Division of Licensing Office of Nuclear Reactor Regulation Dated at Bethesda, Maryland this 4th day of June 1984
.