ML19345A343
| ML19345A343 | |
| Person / Time | |
|---|---|
| Site: | Yankee Rowe |
| Issue date: | 01/10/1961 |
| From: | Price H US ATOMIC ENERGY COMMISSION (AEC) |
| To: | Coe R YANKEE ATOMIC ELECTRIC CO. |
| References | |
| NUDOCS 8011190147 | |
| Download: ML19345A343 (2) | |
Text
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SUPPL, DOCKEI e:
OUTCOING TELECOMMUNICATION MESSA'GE FIOM:
H L PRICE DIREC'IOR DIVISION OF LICENSING AND REGULATION U S A'IOMIC ENERGY COMMISSION UASHINGTON D C FRIORITY JANUARY 10 1961
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'IO :
YAfTia:E A'IOMIC E:EIPlc COMPANY M 1 STLMRT STR GI EM M ACT S M S ATTN : MR. BOGER COE, VICE PRESIDENT WE ARE SURVEYING ALL LICENSED REACTOR FACILITIES MR INERFATION GAINED FBOM OPERATING EXPERIENCE WHICH INDICATES CONFIRMATION OF OR VARIANCE FBOM NUCLEAR CHARACTERISTICS SHOWN IN YOUR LICENSE APPLICATION AT TIME OF LICENSE r=.25 ISSUANCE. THIS WILL UP-DATE INERMATION ON YOUR FACILITY WHICH WAS REVIEED BY US DURING EVALUATION OF YOUR FACILITY LICENSE APPLICATION AND DURING
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INSPECTIONS. ACCORDINGLY, PURSUANT TO SECTION 50 54(f) 0F COMMISSION REGU-IATIONS, YOU ARE REQUESTED TO SUBMIT WITHIN 20 DAYS OF REEIPT OF THIS MESSAGE A REPORT CONTAINING THE MLIDWING INERMATION CONCERNING EACH REACTOR OR CPlTICAL EXPERIMENT FACILITY OPERATED BY YOU UIGER AM LICENSE:
1.
KO:IMJM EXCESS REACTIVITY OF YOUR REAC'10R, NOT -INCLUDING THE WORIE OF COUIROL RODS OR OTHER CONTROL DEVICES SUCH AS BURNABLE MISON STRIPS OR SOLUBLE POISON, OR ANY EXPERIETS, AND VARIATION OF EXCESS REACTIVITY OVER CORE LIFE.
2.
':OTAL CONTROL ROD WORTH.
3 MINIMUM SHUT-DOWN MARGIN BOTH AT ROOM TEMPERATURE AND OPEPATING TEMPERATURE.
4.
MAXIMJM WORTH OF SINGLE CONIROL BOD OF HIGHEST REACTIVITY VALUE.
5 DESCRIPTION AID WORTH OF OTHER MEIBODS USED MR CONTROLLING REACTIVITY, SUCH AS BURNABLE POISON STRIPS OR SOLUBLE POISONi 15 VARIATION OF THE WORIH OF EE MEIBODS OVER CORE LIFE.
l DOC:2;T RO. 50-29 l
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PAGE 2 6.
MAXDCJM 'IOT L AND INDIVIDUAL WORTH OF ANY FDED OR )OVEABLE EXPERIMENTS DiSERTED IN EUR REAC'IOR.
7.
WITH RESPECT 'IO ITDG 1-6 ABOVE, THE ELICWING INFORMATION SIDULD BE
,x INCLUDED: BASIS FOR REACTIVITY VALUES (MEASURED, CAICULATED OR ESTIMATED);
CONDITION OF CORE FOR WHICH VALUES ARE APPLICABLE (OPERATING OR SHUT-DOWN, AFOUNT OF BURNUP,); AND DATES ON WHICH REACTIVITY VAIRES WERE IAST DEIERMINED.
8.
THE FDLIDWING INFORMATION WITH RESPECT 'IO OPERATIONS WHICH COUID INVOLVE CHANGES IN CORE REACTIVITY WHEN THE REACTOR IS SHUT DOWN In SPECIAL PRIDAUTIONS TAKEN 'IO PREVENT INADVERTENT CRITICALITY.
a.
b.
Wurus NUCLEAR INSTRUMENTATION IS USED.
c.
METHODS USED 'IO LIMIT AND CONTROL RATE AND A}OJNT OF REACTIVITY CHANGES.
d.
MINIMUM AVJUNT THAT REAC'IOR IS SUB-CRITICAL DURING SLCH OPEFATIONS I-AND HOW THE SG-CRITICAL MAR 3IN IS ACHIEVED.
e.
kurns SUCH OPEPATIONS ARE CONDUCTED UNDER DIRECT AfD PERSONAL SUPERVISION OF TECHNICALLY QUJJ.IFIED AND DESIGNATE 3 SUFERVIS3RS.
f.
kunfER SUCH OFERATIONS ARE CONDUCIED Di ACCOHDANCE WITH WRITTEN PROCEDURES.
REPORI SBOULD BE SUBMITTED IN 15 COPIE3. END OF MESSAGE.
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