ML14175A656

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Amend 53 to License DPR-23,increasing Mini low-low Generator Water Level Reactor Trip Point from 5% to 14% of Narrow Range Instrument Scale
ML14175A656
Person / Time
Site: Robinson 
Issue date: 12/10/1980
From: Varga S
Office of Nuclear Reactor Regulation
To:
Shared Package
ML14175A658 List:
References
DPR-23-A-053 NUDOCS 8012190408
Download: ML14175A656 (4)


Text

s REG U N IT ED STA T ES 0

NUCLEAR REGULATORY COMMISSION o

WASHINGTON, D. C. 20555 CAROLINA POWER AND LIGHT COMPANY DOCKET NO. 50-261 H. B. ROBINSON, UNIT NO. 2 AMENDMENT TO FACILITY OPERATING LICENSE Amendment No. 53 License No. DPR-23

1. The Nuclear Regulatory Commission (the Commission) has found that:

A. The application for amendment by Carolina Power and Light Company (the licensee) dated September 27, 1979 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 (i) 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 common 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.

-2

2. Accordingly, the license is amended by changes to the Technical Specifications as indicated in the attachment to this license amendment, and paragraph 3.B of Facility Operating License No.

DPR-23 is hereby amended to read as follows:

(1) Technical Specifications The Technical Specificationrs contained in Appendices A and B, as revised through Amendment No.

53

, are hereby incorporated in the license. The licensee shall operate the facility in accordance with the Technical Specifications.

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

OR THE NUCLEA REGULATORY COMMISSION Se n

arga, e,

Operating Reactors ranch fl Division of Licensin

Attachment:

Changes to the Technical Specifications Date of Issuance: December 10, 1980

ATTACHMENT TO LICENSE AMENDMENT NO. 53 FACILITY OPERATING LICENSE NO. DPR-23 DOCKET NO. 50-261 Replace the following page of the Appendix A Technical Specifications with the enclosed page.

The revised page is identified by Amendment Number and contains a vertical line indicating the area of change.

Remove Insert 2.3-3 2.3-3

e.

0Overpow7er AT AT

< AT K

15 6 0

~

4

-5 dt

~6 (

-T)-f(IJ where:

AT Indicated AT at rated power, OF T

Average temperature, a Tv Indicated average temperature at nominal conditions and rated power,

'F K

=1.07 for decreasing average temperature K 5 0.2 seconds per OF for increasing average temperature K

0.002235for TT for T<T' 6

6 f(Al)" as defined in d. above.

f.

Low reactor coolant loop flow >90% of normal indicated flow

g.

Low reactor coolant pump frequency >57.5 Rz

h. -Under voltage >70% of normal voltage.

2.3.1.3 Other Reactor Trips

a.

High pressurizer water level <92% of span

b.

.Low-low steam generator water level>14%of narrow range instrument span.

2.3.2 Protective instrumentation settings for reactor trip interlocks shall be as follows:

2.3.2.1 The low pressurizer pressure trip, high pressurizer level trip, and the low reactor coolant flow trip (for two or more loops) may be bypassed below 10% of rated power.

2.3.2.2 The single-loop-loss-of-flow trip may be bypassed below 45% of rated power.

2.3-3 Amendment No. 53