ML20058H212
| ML20058H212 | |
| Person / Time | |
|---|---|
| Site: | Summer  |
| Issue date: | 07/29/1982 |
| From: | Dixon O SOUTH CAROLINA ELECTRIC & GAS CO. |
| To: | Harold Denton Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8208030507 | |
| Download: ML20058H212 (2) | |
Text
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SOUTH CAROLINA ELECTRCO & GAS COMPANY m.,o.a.u.o.,..
COLUMBoA. SOUTH CARoyNA 29216 O. W. DixON. JM.
s2."..". ":',*,I ".1.
July 29, 1982 Mr. Harold R. Dentcn, Director Office of Nuclear Beacto-Ibgulaticn U. S. Nuclear Regulatory Ocumissicn
- Washingtcn, DC 20555
Subject:
Virgil C. Summer Nuclear Saticn Docket No. 50/395 Technical Specificaticns
Dear Mr. Dmton:
In a gevious sutmittal dated March 9,1982, it was requested that the surveillance requirements for the energmcy core cooling png be based cn the differmtial gessure developed by the pung rather than discharge gessure.
'Ihe acceptance critericn for the centrifugal charging pump was changed frcm a discharge gessure of greater than or equal to 2500 pig to a differmtial gessure of greater thm or equal to 2472 pi. However, we inadvertmtly failed to change the acceptance critericn for the residual heat removal pung.
'Ihe acceptance critericn for the residual heat rmoval pump should be changed frcm a discharge gessure of greater than or equal to 137 pig to a differmtial gessure of greater than or equal to 128 psi. & closed is page 3/4 5-5 of the 'Ibchnical Specificaticns with the apgoIriate correcticn.
If you have any questicns, please let us know.
Very truly yours, O. W. Dixcn, r.
LDS/vtw mclosure cc:
V. C. Summer R. B. Clary G. H. Fischer O. S. Bradham H. N. Cyrus L. D. 91ealy T. C. Nichols, Jr.
A. R. Kocn O. W. Dixcn, Jr.
M. N. Browne M. B. Whitaker, Jr.
G. J. Braddick J. P. O'Reilly M. J. Virgilio H. T. Babb J. L. Skolds D. A. Nauman B. A. Bursey C. L. Ligcn (NSFC)
NPCF W. A. Williams, Jr.
File go\\
8208030507 820729 V
PDR ADOCK 0S000 A
EMERGENCY CORE COOLING SYSTEMS SURVEILLANCE REOUIREMENTS (Continued) 2.
A visual inspection of the containment sump and verifying that the subsystem suction inlets are not restricted by debris and that the sump components (trash racks, screens, etc.) show no evidence of structural distress or abnormal corrosion.
At least once per 18 m'onths, during shutdown, by:
e.
1.
Verifying that each automatic valve in the flow path actuates to its correct position on a safety injection actuation and containment sump recirculation test signal.
~
2.
Verifying that each of the following pumps start automatically upon receipt of a safety injection actuation test signal:
a)
Centrifugal charging pump b)
Residual heat removal pump f.
By verifying that each of the following pumps develops a differential pressure on recirculation flow when tested pursuant to Specifica-tion 4.0.5:
1.
Centrifugal. charging pump 2 2472 psi)(
128 2.
Residual heat removal pump 1 107 psi)(
g.
By verifying the correct position of each mechanical position stop for the following ECCS throttle valves:
1.
Within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> following completion of each valve stroking operation or maintenance on the valve when the ECCS subsystems are required to be OPERABLE.
2.
At least once per 18 months.
~
HPSI Svstem Valve Number a.
8996A b.
89968 c.
8996C d.
8994A e.
89948 f.
8994C g.
8989A h.
8989B i.
8989C j.
8991A k.
89913 1.
8991C A?P.15 1982 SUMMER - UNIT 1 3/4 5-5
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