ML19340A536
| ML19340A536 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 01/10/1961 |
| From: | Price H US ATOMIC ENERGY COMMISSION (AEC) |
| To: | Joslin M COMMONWEALTH EDISON CO. |
| References | |
| NUDOCS 8008250863 | |
| Download: ML19340A536 (2) | |
Text
SFDPL, DOCKER o
,tff00ING TELECOMMUNICATION MESSAGE O
i FFOM:
H L PRICE DIRECTOR DIVISION OF LICENSING AND REGUIATION U S ATOMIC EERGY COMMISSION
{
PRIORITY WASHINGTON D C JANUARY 10 1961 TO:
C0900NWEALTH EDIBON COMPANY 72 L*IST ADA23 STR2:T
- 2. XIIIRAY JOSLIN, VICE PRIiSIDErf ATTE:
CHIC!4C, ILLII;0IS WE ARE SURVEYING ALL LICENSED REACTOR FACILITIES MR UGVRMATION GAINED FEM OPERATING EXPERIENCE WHICH INDICATES CONFIRMATION OF OR VARIANCE F NUCLEAR CHARACTERISTICS SHOWN IN YOUR LICENSE APPLICATION AT TIME OF L THIS WILL UP-DATE,INEDRMATION ON *iOUR FACILITY WHICH WAS REVIEWED ISSUANCE.
BY US DURING EVAIUATION OF YOUR FACILITY LICENSE APPLICATION AND DURING INSPECTIONS. ACC0F"INGLY, PURSUANI TO SECTION 50 54(f) 0F COMMISSION REGU-IATIONS, IOU ARE REQUESTED TO SUDMIT WITHIN 20 DAYS OF REEIPT OF THIS MESSAGE A REPORT CONIAINING THS MLIDWING INMRMATION CONCERNING EACH R OR CRITICAL EXPERIMENT FACILITY OPERATID BY TOU UNDER AE LICENSE:
MAXIMUM FICESS REACTIVITY OF YOUR REACTOR, NOT INCLUDING THE WORTH OF 1.
CONTROL RODS OR OTER CONIROL DEVICES SUCH AS BURNABLE POISON S" RIPS O POISON, OR ANY EKPERIMENTS, AND VARIATION OF EXCESS REACTIVITY OVER CORE LIFE.
2.
TOTAL CONTROL ROD WORTH.
MINIMUM SHUT-DOWN MARGIN BOTH AT ROOM TEMPERATURE AND OPEPATING TEMPER 3
4.
MAXIMUM WORTH OF SINGLE CONTROL ROD OF HIGHEST REACTIVITY VALUE.
DESCRIPTION AND WORTH OF OTHER METIDDS USED MR CONTROLLING REACTIVIT1, 5
SUCH AS BURNABLE POISON STRIPS OR SOLUBLE POISON, AND VARIATICN OF TE WORTH OF THESE METIO OVER CORE LIFE.
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Formal Docket DOCKIT NO. 50-10 Suppl. Docket Doc. Room p
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MAIDUM TOTAL AND INDIVIDUAL WORTH OF ANY FIXED OR EVEABLE EXPERIMENTS INSERTED IX T UR REACTOR.
7..
WITH RESPECT TO ITEMS 1-6 ABOVE, THE FOLIDWING INEDRMATIDI SIDULD BE INCIDDED: BASIS FOR REACTIVITY VALUES (MEASURED, CAIEULATED OR ESTIMATED);
CONDITION OF CORE FOR WHICH YALUES ARE APPLICABLE (OPERATING OR SHUT-DOWN, AEUNT OF BURNUP,); AE DATES ON WHICH REACTIVITY VALUES WERE LAST DETERMINED.
8.
THE FDLIDWING INERMATION WITH RESPECT TO OPERATIONS WHICH COUID INVOLVE CHANGES IN CORE REACTIVITY WHEN THE REACTOR IS SHUI DOWN l
l SPEIAL PREAVIIONS TAKE5 'IO PREVENE INADVERTENP CRITICALITY.
a.
b.
Warrm;n NUCIEAR INSTRUMENTATION IS USED.
c.
METIDDS USID TO LIMIT AND CONTROL RATE AND AEUET OF REACTivm CHANGES.
d.
MINIMUM AEUNI THAT REACiDR IS SUB-CRITICAL DURING SUCH OPERATIONS AND B)W THE SUB-CRITICAL MARGIN IS ACHIEVE.
e.
WHETHER SUCH OPERATIONS ARE CONDICTID UNDER DIRECT AND PERSONAL SUPZPVISION OF TECHNICALLY QUALIFIED AND DESIGNAT9lD SUPERVISORS.
f.
WHEIB7R SUCH OPERATIONS ARE CONDUCTED IN ACCOHDANCE WITH WRITTEN PROCEDURES.
REPORP SBOUID BE SUBMITTED IN 15 COPIES. EMD OF MESSAGE.
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