ML19345E402
| ML19345E402 | |
| Person / Time | |
|---|---|
| Site: | Big Rock Point File:Consumers Energy icon.png |
| Issue date: | 02/11/1965 |
| From: | Doan R US ATOMIC ENERGY COMMISSION (AEC) |
| To: | Wall H CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.) |
| Shared Package | |
| ML19345E403 | List: |
| References | |
| NUDOCS 8101160305 | |
| Download: ML19345E402 (3) | |
Text
. _ _ _
SUPPLEMENTAL.
UNITED STATES
<2 ATOMIC ENERGY COMMISSION WASHINGTON. D.C. 20545
' Docket No. 50-155 FEB 111365 Consumers Power Company Change No. 4 1945 Parnell Road Jackson, Michigan Attention:
Mr. H. R. Wall Vice President Gentlemen:
Consumers Power Company, by letter dated December 2,1964, has requested changes in the Technical Specifications to Operating License No. DPR-6 issued to Consumers Power Company on May 1,1964 for the Big Rock Point Nuclear Plant, which would pemit reactor operation with control rods of a design different from those presently described by the Technical Speci-fic ; cions.. This request, designated Change No. 4, has been considered pursuant to the provisions of Section 50.59,10 CFR 50.
On the basis of infomation submitted in support of the proposed change, we have concluded that Change No. 4 does not present significant hazards considerations not described or implicit in the hazards summary report and there is reasonable assurance that the health and safety of the public will not be endangered.
Accordingly, pursuant to Section 50.59,10 CFR 50, the Technical Specifica-tions to Operating License No. DPR-6 are hereby changed as follows:
1.
Section 4.1.1(g)
Control Rod Guidance.
Change the second sentence to read:
"Each control rod shall contain 8 rollers of either a nominal 0.485 inch diameter or each control rod shall contain 8 rollers of a nominal 0.567 inch diameter; the bottom four of which shall move in a minimum intersupport tube space of 0.658 inches and the top four of which shall move in a minimum interfuel channel space of 0.628 inches."
2.
Section 5.1.1 PRINCIPAL CORE MATERIALS.
Change the Control
}Rodsdescriptionto:
"Either B C filled 304-SS tubes and solid 304-SS rods or BgC q
filled 304-SS tubes with 304-SS tubes in cruciform shaped 304-SS sheaths".
f/O/No 03oE
. FTB 11 tc65 3.
Section 5.1.2 Control' Rods _. Change the Poison Material des-cription to read:
"B C powder in 304-SS tubes and solid 304-SS rods or BqC q
powder in 304-SS tubes and 304-SS tubes."
4.
Section 5.1.2 Change the number of Type 2 B C filled 304-SS q
tubes from "88" to "68 or 88"; Change " number of solid 304-SS rods per control rod" to " number of solid-SS rods per Control Rod or Number of 304-SS tubes per Control Rod"; and also after
" Type 2" change "2 8" to " 28 or 48".
5 Section 5.1.2 At the end of Section 5.1.2 add the following new item: " 304-SS Tube, Outer Diameter, Inches:
0.175" A copy of the related hazards analysis is enclosed.
Sincerely yours, k
q c.. s t
R. L. Doan, Director Division of Reactor Licensing
Enclosure:
AEC Hazards Analysis
(
- EB 11 565 3.
Section 5.1.2 Control' Rods. Change the Poison Material des-cription to read:
"B C powder in 304-SS tubes and solid 304-SS rods or BqC g
powder in 304-SS tubes and 304-SS tubes."
4 Section 5.1.2 Change the number of Type 2 BgC filled 304-SS tubes from "88" to "68 or 88"; Change " number of solid 304-SS rods per centrol rod" to " number of solid-SS rods per Control Rod or Number of 304-SS tubes per Control Rod"; and also after
" Type 2" change "28" to "28 or 48".
5 Section 5.1.2 At the end of Section 5.1.2 add the following new item: "304-SS Tube, Outer Diameter Inches:
0.175" A copy of the related hazards analysis is enclosed.
Sincerely yours, Origi:n! Shed By R.L Dean R. L. Doan, Director Division of Reactor Licensing Enclosure :
AEC Hazards Analysis Distribution Formal Document Room N
MSupplemental DRL Reading R&PRSB Reading Originator: J. Shea bec: H. J. McAlduf f, OROO E. G. Case H. Shapar L. Kornblith (2)
E. Trenunel R. Huard G. Page P. Travelstead H. Steele.(2)
C. Henderson l
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