ML20213G704
| ML20213G704 | |
| Person / Time | |
|---|---|
| Site: | Byron  |
| Issue date: | 05/12/1987 |
| From: | Muller D Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML20213G708 | List: |
| References | |
| NPF-37-A-008, NPF-66-A-008 NUDOCS 8705180412 | |
| Download: ML20213G704 (7) | |
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UNITED STATES g
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WASHINGTON. D. C. 20666
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COMMONWEALTH EDIS0N COMPANY DOCKET N0. STN 50-454 BYRON STATION, UNIT I AMENDMENT TO FACILITY OPERATING LICENSE Amendment No. 8 License No. NPF-37 1.
The Nuclear Regulatory Comission (the Commission) has found that:
A.
The application for amendment by Commonwealth Edison Company (the licensee) dated March 24, 1987, complies with the standards and requirements of the Atomic Energy Act of 1954, as amended (the Act) and the Comission's rules and regulations set forth in 10 CFR Chapter I; B.
The facility will operate in conformity with the application, the provisions of the Act, and the rules and regulations of the Comission; C.
There is reasonable assurance (1) that the activities authorized by this amendment can be conducted without endangering the health and safety of the public, and (ii) that such activities will be conducted in compliance with the Commission's regulations; D.
The issuance of this amendment will not be inimical to the comon defense and security or to the health and safety of the public; and E.
The issuance of this amendment is in accordance with 10 CFR Part 51 of the Comission's regulations and all applicable requirements have been satisfied.
2.
Accordingly, the license is amended by changes to the Technical Specifications as indicated in the attachment to this license amendment, and paragraph 2.C.(2) of Facility Operating License No. NPF-37 is hereby amended to read as follows:
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, (2) Technical Specifications The Technical Specifications contained in Appendix A as revised through Amendment No. 8 and the Environment Protection Plan contained in Appendix B, both of which are attached hereto, are hereby
-incorporated into this license. The licensee shall operate the facility in accordance with the Technical Specifications and the Environmental Protection Plan.
3.
This license amendment is effective as of the date of its issuance.
FOR THE NUCLEAR REGULATORY COMMISSION nJR7b Daniel R. Muller, Director Project Directorate III-2 Division of Reactor Projects - III, IV, V and Special Projects
Attachment:
Changes to the Technical Specifications Date of Issuance: May 12,1987
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UBetTED STATES
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NUCLEAR REGULATORY COMMISSION n
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COMMONWEALTH EDIS0N COMPANY DOCKET NO. STN 50-455 BYRON STATION, UNIT 2 AMENDMENT TO FACILITY OPERATING LICENSE Amendment No. 8 License No. NPF-66 1.
The Nuclear Regulatory Comission (the Comission) has found that:
A.
The application for amendment by Commonwealth Edison Company (thelicensee)datedMarch 24, 1987, complies with the standards and requirements of the Atomic Energy Act of 1954, as amended (the Act) and the Comission's rules and regulations set forth in 10 CFR Chapter I; B.
The facility will operate in conformity with the application, the provisions of the Act, and the rules and regulations of the Comission; C.
There is reasonable assurance (1) that the activities authorized by this amendment can be conducted without endangering the health and safety of the public, and (ii) that such activities will be
'7' conducted in compliance with the Comissior,'s regulations; D.
The issuance of this amendment will not be inimical to the comon defense and security or to the health and safety of the public; and E.
The issuance of this amendment is in accordance with 10 CFR Part 51 of the Comission's regulations and all applicable requirements have been satisfied.
2.
Accordingly, the license is amended by changes to the Technical Specifications as indicated in the attachment to this license amendment, and paragraph 2.C.(2) of Facility Operating License No. NPF-66 is hereby amended to read as follows:
s (2) Technical Specifications The Technical Specifications contained in Appendix (NUREG-1113),
as revised through Amendment No. 8 and revised by Attachment 2 to NPF-60, and the Environmental Protection Plan contained in Appendix B, both of which were attached to License No. NPF-37, dated February 14, 1985, are hereby incorporated into this license. contains a revision to Appendix A which is hereby incorporated into this license. The licensee shall operate the facility in accordance with the Technical Specifications and the Environmental Protection Plan.
3.
This license amendment is effective as of the date of its issuance.
4 OR THE NUCLEAR REGULATORY COMMISSION c'
W Daniel R. Muller, Director Project Directorate III-2 Division of Reactor Projects - III, IV, Y and Special Projects
Attachment:
Changes to the Technical Specifications Date of Issuance: May 12, 1987 1
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ATTACHMENT TO LICENSE AMENDMENT NOS. 8 AND 8 FACILITY OPERATING LICENSE NOS. NPF-37 AND NPF-66 DOCKET NOS. STN-50-454 AND STN 50-455 Revise Appendix A as follows:
Remove Pages Insert Pages 3/4 7-13 3/4 7-13 3/4 7-14 3/4 7-14
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l PLANT SYSTEMS J
3/4.7.5 ULTIMATE HEAT SINK LIMITING CDNDITION FOR OPERATION i
3.7.5. Two independent ultimate heat sinks (UHS) cooling towers shall be OPERABLE, each with a.
A minimum water level in the UHS cooling tower basin of 873.75 feet Mean Sea Level (MSL) (50%),
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b.
With only Unit 1 operating, fans OA, 08, OE, and 0F are required to be OPERABLE.
With only Unit 2 operating, fans 0C, 00, OG, and OH 4'
are required to be OPERABLE.
With both Units 1 and 2 operating, 3 fans with power supplied from each unit are required to be OPERABLE (total of 6 fans),
i c.
One OPERABLE essential service water makeup pump per train, d.*
An essential service water pump discharge temperature of less than l
or equal to 80*F with less than 4 fans running in high speed; or
'less than or equal to 98*F w*th all 4 fans running in high speed, e.
A minimum Rock River water level at or above 670.6 feet MSL, USGS datum, at the river screenhouse, and i
f.
Two OPERABLE deep wells with:
4 (1) Rock River water level forecast by National Weather Service 4
to exceed 702.0 feet MSL, or (2) Rock River water level at or below 670.6 feet MSL, or (3) Tornado watch issued by National Weather Service that includes Byron site area.
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APPLICABILITY:
MODES 1, 2, 3, and 4 ACTION:
a.
With a water level of less than 873.75 feet MSL (50%) in either UHS cooling tower basin, resture the water level to 873.75 feet MSL in each UHS cooling tower basin within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> or be in HOT-STANDBY with-in the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.
b.
With one of the fans contained in the applicable combination listed above inoperable, restore the listed fans to OPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.
1
- No fans are required to be running during UHS cooling tower performance testing; however, the essential service water pump discharge temperature must be main-tained at less than or equal to 98'F.
BYRON - UNITS 1 & 2 3/4 7-13 Amendment No. 8
PLANT SYSTEMS
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LIMITING CONDITION FOR OPERATION (Continued)
ACTION (Continued) c.
With one essential service water makeup pump inoperable, restore the essential service water makeup pump to OPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.
d.
With the essential service water pump discharge water temperature not meeting the above requirement, be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.
e.
With the minimum Rock River water level not meeting the above require-ment, notify the NRC within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> in accordanca with the procedure of 10 CFR 50.72 of actions or contingencies to ensure an adequate supply of cooling water to the Byron Station for a minimum of 30 days, verify the Rock River flow within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />, and:
(1) If Rock River flow is less than 700 cubic feet per second (cfs) be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and COLD SHUT-DOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />, or (2) If Rock River flow is equal to or greater than 700 cfs continue verification procedure every 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> or until Rock River water level exceeds 670.6 feet MSL or (3) If Rock River level is equal to or less than 664.7 feet MSL be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br /> f.
With one deep well inoperable and:
(1) The Rock River water level predicted, through National Weather Service flood forecasts, to exceed 702 feet MSL, or (2) The Rock River water level at or below 670.6 feet MSL, or (3) A tornado watch issued by the NWS that includes the area for the Byron Station.
Notify the NRC within I hour in accordance with the procedure of 10 CFR 50.72 of actions or contingencies to ensure an adequate supply of cooling water to the Byron Station for a minimum of 30 days and restore both wells to OPERABLE status before the Rock River water level exceeds 702 feet MSL or the minimum Rock River level or flow falls below 664.7 feet MSL or 700 cfs, respectively, or within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />, whichever occurs first, or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.
SURVEILLANCE REQUIREMENTS 4.7.5 The VHS shall be determined OPERABLE at least once per:
a.
24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> by verifying the water level in each UHS cooling tower basin to be greater than or equal to 873.5 feet MSL. (50%),
BYRON - UNITS 1 & 2 3/4 7-14 Amendment No. 8
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