ML20214L840

Suppl 2 to Palo Verde Nuclear Generating Station Unit 1 Startup Rept

ML20214L840
Person / Time
Site:	Palo Verde
Issue date:	08/31/1986
From:	ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:
Shared Package
ML20214L835	List: ML20214L832 ML20214L840
References
NUDOCS 8609100396
Download: ML20214L840 (4)

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1 PALO VERDE NUCLEAR GENERATING STATION UNIT 1 STARTUP REPORT (Docket No. 50-528)

Supplement 2 i

August 1986 i

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8609100396 860826 PDR ADOCK 05000528 P , PDR 7- -_ _ - _ _ _ _ _ _ _ _ _ _ _ _ __ _

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I PVNGS UNIT 1 STARTUP TEST REPORT SUPPLENENT 2 PAGE 1 IHIB99H9Il9H This is the second supplement to the Startup Report for Unit 1 of the Palo Verde Nuclear Generating Station (PVNGS). The original report, submitted to the U.S.

Nuclear Regulatory Commission (NRC) on February 25, 1986*, addressed the startup test phases of Initial Fuel Leading through Low Power Physics Testing.

Supplement i to the Startup Report addressed the Power Ascension Testing phase, and was submitted to the NRC on May 21, 1986**, as part of Revision 1 of the Startup Report. The test results for three areas of testing remained open at the time that this supplement was submitted. These areas are the Reactor Coolant and Secondary Chemictry and Radiochemistry Test (Startup Report Section 6.5); the Biological Shield Survey (Section 6.10); and the Main and Emergency Feedwater Systems Test (Section 6.16). This supplement to the Startup Report addresses the status of these open items. Additionally, since the submittal of Supplement 1, a new open item has been identified for the Intercomparison of PPS, Core Protection Calculator (CPC), and PNS Inputs (Section 6.14), and the status of this item is also addressed.

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• -- Letter ANPP-35288, " Unit 1 Startup Report", from E.E. Van Brunt, Jr. (ANPP) to J.B. Martin (NRC).

• • -- Letter ANPP-36657, "Startup Report Supplement 1", from E.E. Van Brunt, Jr.

(ANPP) to J.B. Martin (NRC). -

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PVNGS UNIT 1 STARTUP TEST REPORT SUPPLEMENT 2 PAGE 2 section s.s atsster_9991 sat _and_stsendstr_9htelettr_and_Badiesheslettr_Iset (CESSAR Section 14.2.12.5.5)

The proper operation of the Process Radiation Monitor (PRM) and the Gas Stripper Effluent Monitor (GSEM) were not verified during the Power Ascension Testing.

Data collected during the testing showed that the monitors need additional work and modification, including the installation of a high range detector tube, to prevent saturation at full power. Completion of this work has been delayed pending the procurement of the high range detector tubes. The tubes are expected to be delivered to PVNGS in early september. Testing of the PRM will be performed as soon as practical following the installation of the detector tubes and the completion of other associated work on the systems. The results of this testing will be addressed in the next supplement to the PVNGS Unit 1 Startup Report. Testing of the GSEM will not be addressed, however, as post fuel load testing of this system is not required by the FSAR.

section s.10 gigiggiss1_shl=1d_surrer (CESSAR Section 14.2.12.5.10)

At 100* FP, radiation surveys in the Auxiliary Building indicated that dose rates in the following areas exceeded the maximum dose rates specified by the PVNGS Final Safety Analysis Report (FSAR) for those areas:

• Both Shutdown Cooling Heat Exchanger rooms and their associated valve galleries.

• Both Low Pressure Safety Injection Pump rooms.

• Both Containment Spray Pump rooms.

• Trains "A" and "B" pipe chases on the 40 foot level of the Auxiliary Building.

An Engineering Evaluation Report (EER) was initiated to address the high dose rates in these areas. Thus far, it has been determined that the shielding in each of the areas listed above was properly designed and constructed. The review of the test data continues. Pending the completion of this review, this test remains open. The results of this review and the disposition of the test . '"

results will be addressed in the next supplement to the PVNGS Unit 1 Startup Report.

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PVNGS UNIT 1 STARTUP TEST REPORT SUPPLEMENT 2 PAGE 3 section 6.14 Interseenstimen_91_EES,_9ers_Erettstien_9sisvinter 19E914 mod _EH3_Innute (CESSAR Section 14.2.12.5.15)

Supplement 1 of the PVNGS Unit 1 Startup Report reported that all process instrumentation tested at 1004 FP had either met the acceptance criteria of the test or had been evaluated by the vendor and found to be acceptable. A review of the test results, however, has determined that four Main Control Board indicators (meters) which did not pass the initial test slao failed to pass a retest. Three of the four indicators are hot leg temperature indications while the fourth is an indication of the core differential pressure. The temperature indicators were recalibrated during the Spring 1986 outage (March 7 to May 23, 1986), but a check of the indicators after the return to full power showed them to still be outside the test acceptance band. An Engineering Evaluation Report has been written concerning these indicators, and the vendor has been requested to review the test data and evaluate the applicability of the specified acceptance criteria. Pending the completion of the vendor review, this test remains open for the 1004 FP test plateau. The results of this review and the disposition of the test results will be addressed in the next supplement to the PVNGS Unit 1 Startup Report.

Section 6.16 Ngig_ggd_Egggggggy_Eggdwatgr_Systggg_Iggi (CESSAR Section 14.2.12.5.17)

Supplement 1 of the PVNGS Unit 1 Startup Report reported that a portion of test 73PA-1FWO4, "Feedwater System Operability", had not been completed. In the uncompleted part of 73PA-1FWO4, one high pressure feedwater heater train was to be removed from service while the plant was operating at 1004 FP, to determine if any degradation in plant capacity would occur. A review of the FSAR has determined that this testing is not required by the FSAR, but is to be performed  !

as part of a contractual agreement with the turbine manufacturer. The other feedwater testa performed during the Power Ascension Testing phase (see Section 6.16 of Supplement 1), including the part of 73PA-1FWO4 that had been performed, ,

were completed satisfactorily, thereby verifying the proper operation of the feedwater systems, in accordance with the FSAR requirements.

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