ML20051N035
| ML20051N035 | |
| Person / Time | |
|---|---|
| Site: | Seabrook  |
| Issue date: | 05/10/1982 |
| From: | Devincentis J PUBLIC SERVICE CO. OF NEW HAMPSHIRE, YANKEE ATOMIC ELECTRIC CO. |
| To: | Miraglia F Office of Nuclear Reactor Regulation |
| References | |
| SBN-271, NUDOCS 8205170330 | |
| Download: ML20051N035 (3) | |
Text
_ _ _ _ _ _ _
SMBROM STATION I
l PUBLIC SEAVICE Engineering Office:
Companyof New Hampshre 1671 Worcester Road Framingham, Massachusetts 01701 (617) - 872-8100
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g May 10, 1982 01 bECEi',To
,3 SBN-271 h y y 3 19 6
g;c @ Mc;:unyc,822.,
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8% dim ng[# 4 United States Nuclear Regulatory Commission EC Washingten, D. C.
20555 g.
Attention:
Mr. Frank J. Miraglia, Chief Licensing Branch #3 Division of Licensing
References:
(a) Construction Permits CPPR-135 and CPPR-136, Docket Nos. 50-443 and 50-444 (b) USNRC Letter, dated March 5,1982, " Request for Additional Information," F. J. Miraglia to W. C. Tallman
{
(c) PSNH Letter, dated April 30,1992, " Response to 210 l
Series RAIs; (Mechanical Engineering Branch),'
l J. DeVincentis to F. J. Miraglia
Subject:
Response to RAI 210.56; (Mechanical Engineering Branch)
Dear Sir:
We have enclosed a response to the subject RAI which you forwarded in Reference (b).
This was not included in the Reference (c) responses.
Very *ruly yours, YANKEE ATOMIC ELECTRIC COMPANY f}h or ;
J. DeVincentis Project Manager Enclosure l
y 820517 0 33G 1
1 L-
210.56 Explain the use of ASME VIII for the design of the pressurizer discharge piping.
RESPONSE
lae discharge piping downstream of the pressurizer safety valves was inadvertently listed as being designed. to ASME VIII.
This piping has been designed t'o ANSI B31.1.
Refer to revised Sheet 3 of Table 3.2-2, which will be provided in Amendment 45.
M
9 TABLE 3.2 (Sheet 3 of 31)
ANS Principal
'FSAR Safety Design /Const. Code Seismic Section Systems and Components Class Codes /Stds.
Class Category Building (ll) Supplier Notes Residual Heat Exchanger Tube Side 2
ASME III 2
I PA W
Shell Side 3
ASME III 3
I PA W
See Note Ic.
Piping and Valves Reactor Coolant Pressure 1
ASME III 1
I CS AE Boundary Sample / Drain Lines-NNS ANSI B31.1 PA AE Other 2
ASME III 2
I PA/CS AE 5.4.10 Pressurizer 1
ASME III 1
I CS W
See Note Ib.
5.4.11 Pressurizer Relief Discharge System Pressurizer Relief Tank NNS ASME VIII I
CS W
i Piping (Downstream of NNS ANSI B31.1 I
CS AE Safety Valves) 5.4.12 Valves of Safety Class 1.to 1
ASME III 1
I CS
-W Safety Class 2 Interface 5.4.13 Safety-and Relief Valves l
Pressurizer Safety Valves 1
ASME III' 1
I CS W
Pressurizer Power Operated 1
ASME III 1
I
-CS W
Relief Valves w___
-_ -