ML20217N090
| ML20217N090 | |
| Person / Time | |
|---|---|
| Site: | Brunswick  |
| Issue date: | 04/05/1995 |
| From: | STRUCTURAL INTEGRITY ASSOCIATES, INC. |
| To: | |
| Shared Package | |
| ML20217N076 | List: |
| References | |
| CON-CPL-36A CPL-36Q-303, CPL-36Q-303-R, CPL-36Q-303-R00, NUDOCS 9708260019 | |
| Download: ML20217N090 (7) | |
Text
. _ _ _. _ _. _ _. _. _.. _ _.. _. _.
i ENCLOSURE 2 l
BRUNSWICK STEAM ELECTRIC PLANT, UNIT NOS.1 AND 2 DOCKET NOS. 50 325 AND 50 324 LICENSE NOS DPR 71 AND DPR 62 REQUEST FOR EXEMPTION PRESSURE AND TEMPERATURE REQUIREMENTS i
FOR REACTOR PRESSURE VESSELS i
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STRUCTURAL INTEGRITY ASSOCIATES CALCULATION NO. CPL 360 303 4
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Me.h dology.
MOSLEM STATEMENT, OR OlutCTTVE OF THE CALCULATloN:
4 ci of 46 6\\c generdel P-T curves. That Calcula%n calcu.lahon made ase, d A6ME Code, kbX, Apndix A cSuabs.
apprognalo cytalions art f6 conbed in MME Cok, B e. M ore, sa b r, Appe<Ak G. bew, bok of ecsc ne.Htocle arc,'Jutbl alv. o.2.s, a/v. %,, G loadin$ ody.
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=
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At isL A G Pase. 6 ef o C-2214.J 1992 St.CTION x1 - DIVISION I G 121$
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1.2 1.0 10 1.2 1.4 1.6 1.s 20 22 2.4 2.8 2.s 3.0 3.2 14 M M M
Y Thwkaess. in FIG. G 2214-1 and the equivalent linear stress [NB 3213.13(a)(3)l temperature at the depth of the postulated defect during considered by the provisions of G 2214.2.
Service Conditions for which Level A and Level B Service Linuts are spetined. In addition to the con-G 2214.4 Stresses Exceeding Material Yleid servatism of these assumptions, it is recommended that Strength. WRCB 175 provides procedures in Para-a factor of 2 be applied to the calculated K, values graph 3C(3) for considering clastically calculated produced by prtmary stresses. In shell and head regions stresses which exceed the yield strength of the material.
remote from discontinuities, the only significant load-his method may be used m lieu of using Figs. G-ings are: (1) general pntnary membrane stress due to 22141, G 2214-2, and G 2214-3, which are not ap-pressure; and (2) thermal stress due to thermal gradient plicable for combined stresses above the material yield through the thickness during startup and shutdown.
strength.
Therefore, the requirement to be satis 6ed and from which the allowable pressure for any assuined rute of
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G.1215 Allowable Pressure he equanons given in this Subarticle provide the basis for determination of the allowable pressure at any 2.L + K,, < r,,
(1) 4a2