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Addenda to Annual Rept for 1987,consisting of Secondary Side Water Chemistry Rept
	ML20150F111
Person / Time
Site:	Vogtle
Issue date:	12/31/1987
From:	Gucwa L; GEORGIA POWER CO.
To:	; NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
	SL-4391, NUDOCS 8804040277
	Download: ML20150F111 (15)
	v • d • e

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C GeorgiaPower d ENCLOSURE PLANT V0GTLE - UNIT 1 NRC DOCKET 50-424 OPERATING LICENSE NPF-68 ADDENDA TO ANNUAL REPORT FOR 1987 -

SECONDARY SIDE HATER CHEMISTRY REPORT 4

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8804040277 871231 PDR ADOCK 05000424 R

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i KW 2 8 S88 700776

SECONDARY HATER CHEMISTRY ANNUAL EVALUATION i

Fuel loading began in January, 1987, and initial criticality was achieved in March, 1987. Commercial operation began on May 31, 1987.

A problem with Total Organic Carbon -(TOC)-in the secondary water was i

detected during the plant's. hot functional test.

A cleanup effort was initiated during the subsequent startup testing to address this problem.

Cation conductivity trended close to the limit of 0.8 micron,hos/cm during the startup test period.

Other contaminants (i.e.,

sodium, sulfates, and chlorides) were below the action levels during this startup testing period with few exceptions.

The chemical cleaning and preconditioning on the secondary system prior to the Hot Functional Test are believed to be responsible for the contaminant levels being lower than those experienced by other recent NTOL plants.

Several excursions above 0.8 micromhos/cm occurred during the year.

These excursions occurred primarily due to main condenser tube leaks or the isolation of the steam generator blowdown system during calorimetric testing.

The main condenser circulating water tube leaks were identified and repaired in a timely manner.

Engineering analysis determined that the probable cause for the condense; tube leaks was excessive tube vibration in the condenser due to high steam velocities which were the result of excessive condenser vacuum.

Adjustments were made to the air ejectors to reduce the vacuum in the condenser (and thereby reduce the tube vibration) in November, 1987.

Primary-to-secondary leaks were not detected during the reporting period.

Since commercial operation, the secondary water chemistry has continued to improve in general.

A summary of the parameter out-of-specification hours for each month is tabulated below.

Parameter Out-Of-Soecification Hours

March 480 hours0.00556 days 0.133 hours 7.936508e-4 weeks 1.8264e-4 months April 507 hours0.00587 days 0.141 hours 8.382936e-4 weeks 1.929135e-4 months May 150 hours0.00174 days 0.0417 hours 2.480159e-4 weeks 5.7075e-5 months June 28 hours3.240741e-4 days 0.00778 hours 4.62963e-5 weeks 1.0654e-5 months July 78 hours9.027778e-4 days 0.0217 hours 1.289683e-4 weeks 2.9679e-5 months August 210.5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months September 39 hours4.513889e-4 days 0.0108 hours 6.448413e-5 weeks 1.48395e-5 months October 464.25 hours2.893519e-4 days 0.00694 hours 4.133598e-5 weeks 9.5125e-6 months November 804 hours0.00931 days 0.223 hours 0.00133 weeks 3.05922e-4 months December 169.25 hours2.893519e-4 days 0.00694 hours 4.133598e-5 weeks 9.5125e-6 months

'The definition of parameter out-of-specification hours is as follows:

Each parameter out-of-spec on the system times the number of hours out-of-spec equals the out-of-spec hours for that period (i.e.,

if cation conductivity and chlorides are out-of-spec there are two out-of-spec hours counted for each hour they are both out).

Page 1 of 12 MAR 2 81988

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Georg a Powar Company 333 Redmont Avenue Manta. Georg-a 30308 Telephone 404 526 6526 MaAng Ad$ess Post Offce Box 4545 Attanta, Georg a 30302 Georgia Power L. T. Gucwe IT SW" 60CfT 8W*

Manager Nuclear Sa'ety and Lcensing SL-4391 0843m X7GJ17-V510 March 28, 1988 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Hashington, D.C.

20555 PLANT V0GTLE - UNIT 1 NRC DOCKET 50-424 OPERATING LICENSE NPF-68 ADDENDA TO ANNUAL REPORT FOR 1932 Gentlemen:

In accordance with Plant Vogtle Final Safety Analysis Report section 10.3.5, enclosed is the Secondary Side Hater Chemistry Report for 1987.

The enclosed report is provided as an addenda to the Technical Specifications-required Annual Report which was submitted to the NRC by our letter SL-4133 dated February 29, 1988.

The Secondary Side Hater Chemistry Report, while not a Technical Specifications requirement, should have been submitted as part of the Annual Report in order to conform with Branch Technical Position MTEB 5-3, "Monitoring of Secondary Side Hater Chemistry in PHR Steam Generation," Position 3.C.

He regret this oversight.

Six copies of the Secondary Side Hater Chem ^stry Report for 1987 are enclosed for your use.

Two copies of the subject report are being provided to the NRC Region II office.

Should you have any questions in this regard, please contact this office at any time.

Sincerely, M%

L. T. Gucwa JAE/lm Enclosure f

c:

(see next page)

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k Georgia Power h U. S. Nuclear Regulatory Commission March 28, 1988 Page Two c:

Georgia Power Comoany I

Hr. P. D. Rice Mr. G. Bockhold, Jr.

GO-NORMS U. S. Nuclear Regulatory Commission Dr. J. N. Grace, Regional Administrator Hr. J. B. Hopkins, Licensing Project Manager, NRR (2 copies)

Mr. J. F. Rogge, Senior Resident Inspector-Operations, Vogtle 0843m 73C??S

ML20150F111

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