ML20085K259
| ML20085K259 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 07/31/1973 |
| From: | Worden W COMMONWEALTH EDISON CO. |
| To: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| Shared Package | |
| ML20085K261 | List: |
| References | |
| NUDOCS 8310200367 | |
| Download: ML20085K259 (2) | |
Text
- _ _ _ _. - -. -._
l l
maa Em.
Telegram mestem union lw
-- BND106(1H04)(1-007727C212)PD 07/31/73 1002 I
l ICS IPMVEIC MVN 03038 (03228) TDVE MORRIS ILL 93 07-30 330P CDT FON 3128582660
]
BOYCE BRIER DIFECTOR DI\\ OF COMPLIANCE REGION E US ATodIC ENEFCY COMMISSION 799 ROOSEVELT RD GLEN ELLYN IL 6 037 l
SUBJECT DPR-25 DRESDEN NUCLEAR POWER STATION UNIT 3.
THIS WILL CONFIRM A CONVERSATION WITH MR F MAURA 0F YOUR OFFICE I
AT 1930 HOURS THIS DATE CONCERNING FAST CLOSURE TIME ON IB MAIN STEAM ISOLATION VALUE. ON 7/29/73 DURING A UNIT STAT UP IB MSIV WAS TIMED AND FOUND TO HAVE A CLOSURE TIME OF 2.6 SECONDS.
CABLE 3.7.1 0F TECHNICAL SPECIFICATIONS REQUIRES A C10SURE TI ME OF BE.
T-SF.1201 (RS49)
BETWEEN 3 AND 5 SECONDS UNTIL PROBLEMS CAN BE CORRECTED, MSIVS 1 B AND 2 B WILL REMAIN CLOSED W P WARDEN SUPERINTENDENT DRESDEN NUCLEAR POWER 3TATION 8310200367 730731 PDR ADOCK 05000 S
SF 12C1 (RS491
9 o
-#26
[
'g UNITED STATES I
ATOMIC ENERGY COMMISSION
) ',
L. Q. L DIVISION OF COMPLE ANCE REGION lll 799 ROOSEVELT ROAD GLEN ELLYN. lLLINols 60137 (3:23 ass-2sso A.
RO Inspection Report No.
Transmittal Date Distribution:
Distribution:
RO Chief, FS&EB RO Chief, FS&EB 7 0Tli G 5)~
RO:HQ (4)
DR Central Files L:D/D for Fuel & FMterials Regulatory Standards (3)
DR Central Files Licensing (13)
B.
RO Inquiry Report No.
Transmit.tal Date I
I Distribution:
Distribution:
RO Chie f, FS&EB RO Chief, FS&EB RO:HQ (5)
RO: liq DR Central Files DR Central Files Regulatory Standards (3)
Licensing (13)
C.
Incident Notification From: Cor:=onwealth Edison Co.
DPR-25 (Licensee & Docket No. (or License No.)
Transmittal Date
- August 6,1973 Distribution:
Distribution:
R0 Chieh FS&EB RO Chie f, FS&EB RO:HQ (4)
RO:HQ (4)
Licensing (4)
L:D/D for Fuel & Materials DR Central Files DR Central Files RO Files