ML20247N625

Amend 126 to License DPR-77,modifying Tech Spec Surveillance Requirement 4.6.5.1.b.2 to Allow one-time Extension Until Next Refueling Outage for Weighing Ice Baskets in Containment Ice Condenser

ML20247N625
Person / Time
Site:	Sequoyah
Issue date:	09/19/1989
From:	Black S Office of Nuclear Reactor Regulation
To:
Shared Package
ML20247N630	List: ML20247N625 ML20247N655
References
NUDOCS 8909260253
Download: ML20247N625 (4)

Text

_ _ _ - - -

• 4 S

[#

%,'t, 1

UNITED STATES g

NUCLEAR REGULATORY COMMISSION

)

y l

wAsmworou, o. c. 2osss e-

%,...../

g TENNESSEE VALLEY AUTHORITY DOCKET NO. 50-327 SEQUOYAH NUCLEAR PLANT, UNIT 1 AMENDNENT TO FACILITY OPERATING LICENSE Amendment No. 126 License No. DPR-77 1.

The Nuclear Regulatory Commission (the Commission) has found' that:

A.

The application for amendment by Tennessee Valley Authority (the licensee) dated June 20, 1989 as supplemented by letter dated August 10, 1989, complies with the standards and requirements of the-Atomic Energy Act of 1954, as amended (the Act), and the Commission'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 Commission; 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 conson 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 Commission's regulations and all applicable requirements have been satisfied.

i 8909260253 890919 DR ADOCK 050 7

1

^

a s

1

. 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. DPR-77 is hereby, amended to read as follows:

(2) Technical Specifications The Technical Specifications contained in Appendices A and B, as revised through Amendment No.126, are hereby incorporated in the i

license.

The licensee shall operate the facility in accordance with the Technical Specifications.

3.

This license amendment is effective as of its date of issuance.

FOR THE NUCLEAR REGULATORY COP 94ISSION L

Suzanne stant Director

~

for Projects TVA Projects Division Office of Nuclear Reactor Regulation

Attachment:

Changes to the Technical Specifications Date of Issuance:

September 19, 1989 n

F s,.

~

ATTACHMENT TO LICENSE AMENDMENT NO. 126 FACILITY OPERATING LICENSE NO. OPR-77 DOCKET NO. 50-327 Revise the Appendix A Technical Specifications by removing the pages identified below and inserting the enclosed pages. The revised pages are identified by the captioned amendment number and contain marginal lines indicating the area of change.

REMOVE INSERT 3/4 6-26 3/4 6-26 b

a--_-

D

CONTAINMENT SYSTEMS 3/4.6.5 ICE CONDENSER ICE BED-LIMITING CONDITION FOR OPERATION 3.6.5.1.

The ice bed shall be OPERABLE with:

.The stored ice having a boron concentration of at least 1800 ppm a.

boron as sodium tetraborate and a pH of 9.0 to 9.5, b.

Flow channels through the ice condenser, A maximum ice bed temperature of less than or equal 27*F, c.

- d.

A total ice weight of at least 2,333,100 pounds >at a 95% level-of confidence and e.

1944 ice baskets.

APPLICABILITY:

MODEC 1, 2, 3 and 4.

ACTION:

With the ice bed inoperable, restore the ice bed to OPERABLE status within 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-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 />.

SURVEILLANCE REQUIREMENTS 4.6.5.1 The ice condenser shall be determined OPERABLE:

At least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> by using the ice bed temperature monitoring a.

system to verif or equal to 27*y that the maximum ice bed temperature is less than F.

b.

At least once per 6 months during the first 2 years following initial criticality and at least once per 12 months thereafter by:

1.

Chemical analyses which verify that at least 9 representative samples of stored ice have a boron concentration of at least 1800 ppm as sodium tetraborate and a pH of 9.0 to 9.5 at 20 C.

2.

• Weighing a representative sample of at least 144 ice baskets and verifying that each basket contains at least 1200 lbs of ice.

The representative sample shall include 6 baskets from each of the 24 ice condenser bays and shall be constituted of

• A one-time extension is permitted until the Unit 1 Cycle 4 refueling outage which shall begin no later than April 1, 1990.

SEQUOYAH - UNIT 1 3/4 6-26 Amendment No. 4 126 3

n-