IR 05000010/1976023
| ML19340A730 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 11/30/1976 |
| From: | Kohler J, Little W NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | |
| Shared Package | |
| ML19340A729 | List: |
| References | |
| 50-010-76-23, 50-10-76-23, 50-249-76-25, NUDOCS 8009030746 | |
| Download: ML19340A730 (5) | |
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REGION III
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i Report of Operations Inspection l I . IE Inspection Report No. 050-010/76-23 i IE Inspection Report No. 050-249/76-25 i . Licensee: Commonwealth Edison Company ) P. O. Box 767 ,' ! Chicago, Illinois 60690
Dresden Nuclear Power Station License No. 2 ' Unit 1 a'nd 3 License No. 25
Morris, Illinois Category: C i Type of Licensee: BWR (GE) 200 and 810 MWe . Type of Inspection: Routine, Unannounced , i Dates of Inspection: November 9, 10, 16 and 18 d b. hdkb . I Principal Inspector: J. E. Kohler II (Date) ' Accompanying Inspectors: None i Other Accompanying Personne : None Reviewed By: '[, h ef
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[[ Nuclear Support Section ' (Dite) , P , . 8000030 7k
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SUMHARY OF FINDINGS } - _ ' Inspection Summary An inspection was conducted on November 9-10, 16 and 18, 1976, (Unit 1, 76-23)(Unic 3, 76-25): regarding startup testing performed , af ter the 1976 Dresden 3 refueling. activities associated with the ' ! refueling, startup testing of the Dresden 1 off-gas system and ECCS surveillance.
- Enforcement Items None.
Other Significant Items
A.
Systems and Components None.
B.
Facility Items (Plans and Procedure.5) . 'None.
_ - i C.
Managerial Items j-
1 None.
D.
Deviations None.
E.
Status of Previously Reported Unresolved items None.
Management Interview A management interview was conducted by Mr. Kohler with Mr. Stephenson and others of your staff at the conclusion of the inspection.
The ,
following items were discussed: A.
The inspector stated that he had inspected selected portions of the Unit 3 startup and surveillance testing and refueling end found no items of noncompliance.
(Paragraph 2, 3 and 4, Report Details)
B.
The inspector stated that the licensee should re-evaluate his + commitment to NRR for the operational date of the Dresden 1 ' off-gas system. The li'censee stated he will resubmit his com-mitment to NRR.
(Paragraph 5, Report Details) . -2-
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. F REPORT DETAILS . 1.
Persons Contacted B. Stephenson, Station Superintendent D. Farrar, Assistant Technical Staff Supervisor R. Ragan, Operating Engineer, Unit 3 J. Toscas, Technical Staff T. Rausch, Technical Staff T. Ciesla, D-1 Off-Gas Coordinator T. Checca, Training Department C. Sargent, Unit 3 Lead Engineer H. Warlow, Instrumentation Engineer W. Hildy, Instrumentation Engineer F. Willoford, Quality Assurance . - 2.
ECCS Auto Initiation i l The Dresden technical specifications require that tests of the ECCS systems be performed at each refueling outage.
These tests involve simulating the signals generated by protective equipment
and verifying that-the ECCS systems automatically initiate and ' ' are capable of performing the intended safety function.
The tests performed on the ECCS system to verify the capability . , of these systems are contained in the following approved procedures: Procedure Test Date Applicable T/S a.
Automatic Blowdown System (1) Functional 11/76 4.5.D.l.b - (2) Logic 10/76 4.5.D.1.c (3) Simulated Initiation 11/76 ~ 4.5.D,1.a b.
Diesel Generator Undervoltage Test 11/76 4.9.A.4 c.
Core Spray /LPCI Pumps 11/76 4.5.A.1 d.
Isolation Condenser 10/76 4.5.E.1.b i
e.
Instrumentation
(1) APRM Variable Flow 10/76 Table 4.2.1 (2) Rod Block Monitor Upscale 10/76 (3) Steam Tunnel High Temperature 10/76 (4) Containment Temperature Monitoring 8/76
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. . These procedures a"nd the test results were reviewed at the site after completion of the tests. No items of noncompliance with the
technical specifications were'found.
- [ 3.
Startup Testing of Unit 3 The initial criticality following refueling is followed by a serieg of startup tests.
These tests 5re performed in order to obtain baseline data on the new core and to verify that the new core can be operated within power. distribution limits set
forth in the technical specification.
The inspector obtained the startup report for Unit 2 dated October 76 and selected the following tests to review for Unit 3.
Shutdown Margin ~ SRM Performance
Scram Timing Tests i Temperature Coefficient IRM Performance Control Rod Sequence Package Core Performance Review . l The tests were conducted according to approved startup procedures.
- ' Raw data were taken in the control room for future analysis.
How-ever, tests which had acceptance criteria affecting the immediate i availability of the unit such as shut down margin and SRM/IRM performance were verified in the control room. No items of non-compliance were found.
i 4.
Refueling
. .The inspector reviewed completed procedures associated with Unit 3 refueling. Procedures involving interlock testing, core verification and core monitoring were performed according to technical specification.
5.
Dresden 1 off-Cas System The inspector reviewed procedures being generated associated i I with the initial startup of the Dresden 1 off-gas.
In addition,- he attended a training course on the off-gas system operat: ion, , as well as toured the off-gas building. Plans called for the j system to be operating by early November, 1976. However, delays j associated with preoperational testing of some portions of the i i
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e i system, particularly the hydrogen analyzer, may cause the anticipated startup date of early November, 1976 to be exceeded.
. The station has committed to have the system operating by early November. The inspector requested that the licensee re-evaluate his startup schedule to take into account current. operational test-ing.
The licensee stated that he would resubmit the commitment letter to take into account the latest scheduling. The inspector has no further question regarding this item.
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