ML19345A465

From kanterella
Revision as of 10:42, 24 December 2024 by StriderTol (talk | contribs) (StriderTol Bot insert)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search
Submits Proposed Change 111,Suppl 2,to Tech Specs, Reflecting Proposed Installation of Two Pressure Switches Adjusted to Initiate Safety Injection Sys Operation When Containment Pressure Is Between Setpoint Limits
ML19345A465
Person / Time
Site: Yankee Rowe
Issue date: 02/27/1974
From: Heider L
YANKEE ATOMIC ELECTRIC CO.
To:
US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML19345A466 List:
References
NUDOCS 8011210669
Download: ML19345A465 (2)


Text

-

Propos:d Change ;;o. 111 Supplem:nt No. 2 s

'~~v...

Telephorte bl7 366-9Cil Tv1 7'0 390 0739 YANKEE ATOMIC ELECTRIC COMPANY

/ m.

,Ya$N 20 Turnpoke Road Westborough, Massachusetts 01581 uxsia February 27, 1974 g

4

'l United States Atomic Energy Commission b

g /S/

4 Washington, D. C.

20545 g

4 N

r Attention: Directorate of Licensing

,/

8'

Reference:

1.

Yankee Atomic Electric Ccepany Proposed

~g Change No. 111, Diverse Initiation of Safety Injection. License No. DPR-3 (Dccket No. 50-29) 2.

AEC letter dated December 13, 1973

\\g; j IJgf re. questing additional information

/j concerning Proposed Change No. 111 NAR %h Q l'

'l 3

Yankee Atomic Electric Company letter gp dated January 16, 1974. Additional b

Q

'l information for Proposed Change No. 111.:::

r

Dear Sirs:

J*f W

/kl S With reference to recent disc;asions held with the Directorat of Retictor Licensing staff, Yankee Atomic Electric Company hereby submits additional information in the form of Supplement No. 2 to Proposed Change No. 111.

1.

A revision of paragraph D.2.e. (3) of the current Technical Specifications is proposed. This revision adds the words "or a containment pressure between 4.0 psig and 5.0 psig" to reflect the proposed installation of two pressure switches adjusted to initiate safety injection system operation when tha containment pressure is between ene setpoint limits.

"(3) Automatic initiation of the safety injection system, pumps, and valves shall be set to operate at a main coolant pressure not less than 1.700 psig or a containment pressure between 4.0 psig and 5.0 psig."

8011210(67 1705

United States Atomic Energy Commission February 27, 1974 Artn: Directorate of Licensing Page Two 2.

Replace Table I, " Reactor Protection Set Points" of the current Technical Specifications with the attached revised Table 1.

The revised table reflects the installation of the two containment pressure switches for diverse initiation of the safety injection system and lists the Set Point Limits for each method of initiation.

We trust you will find this information satisfactory; however, should you desire additional information feel free to contact us.

Respectfully submitted, YANKEE ATOMIC ELECTRIC COMPANY

-HH &

Louis H. Heider Assistant Vice President COMMONWEALTH OF MASSACHUSETTS)

)ss.

COUNTY OF WORCESTER

)

1 Then personally appeared before me, Louis H. Heider, who being duly sworn, did state that he is an Assistant Vice President of Yankee Atomic Electric Company, that he is duly authorized to execute and file the foregoing request in the name and on the behalf of Yankee Atomic Electric Company, and that the statements therein are true to the best of his knowledge and belief.

% rY -

oy

/ p nd R. Soucy Notary Public My Commission Expires September 9, 1977 i

L