ML050400272

Technical Specifications, Revises Reactor Coolant System Pressure and Temperature Limits TAC No. MC4160)

ML050400272
Person / Time
Site:	Robinson
Issue date:	02/07/2005
From:	NRC/NRR/DLPM
To:
Patel C P, NRR/DLPM, 415-3025
Shared Package
ML050400028	List: ML050270014 ML050400272
References
TAC MC4160
Download: ML050400272 (2)

Text

RCS P/T Limits 3.4.3 MATERIALS PRtlPERTIES BASE CONTROLLING MATERIAL: Upper Shell Plate Curves applicable for heatup rates up to Limiiting ART Values at 35 EFPY: 1/4T, 167°F 600 F/Hr for service period up to 35 EFPY 3/4T. 147°F Heatup Curves include +10°F and -60 psig Allowance for Instrunentation error.

2750 2500 2250*

I

_ l l I IIe lll l l I ,,1 iI111 I Il I I I 2000 Leak Test Limit - ----

.w 1-U7) 1750 Unacceptable Operation111J a) ii Z T i i i I i i i Acceptable Operation 3 1500 lIII I III III . . . ..

. . . . 1-1 . .

.. . I. -. . .I .I .I .I I . . I. . I. I. I...

. .. . I. I. ...

. . . . . . I. I. I. -..

U)

U) u11+JHeatup Rate to a)

L-

+60'F/Hr

-a 1250 (V

4-3 U I

' 1000 - --u

'-4 Cr1 ti cal- iI-ty .Liruit- based on Inservice Hydrostatic test tenperature (226°F) for the 750- service neriod uo to 35 EFPY 500.

250.

o4-0 50 100 150 200 250 300 350 400 450 500 550 Indicated-Temperature (°F)

Figure 3.4.3-1 Reactor Coolant System Heatup Limits Applicable Up to 35 EFPY HBRSEP Unit No. 2 3.4-7 Amendment No. 202

RCS P/T Limits 3.4.3 MATERIALS PROPERTIES BASE Controlling Material: Upper Shell Plate Curves applicable for cooldown rates and Girth Weld up to 1000 FlHr for the service Liniting ART Values at 35 EFPY: period up to 35 EFPY 1/4T, 167°F and 242°F Curves include +10°F and -60 PSIG Allowance for Instruaentation error.

2750 I I II I 1 II I 2500

........ I- - ......

.11 - .- I......... ..

2250 2000 Unacceptabl e Operation H I p2 1750 U)

- 1500 (D

u, CL

.0 1250 CD 4000 F/Hr U

-" 1000 11111101110 an 20 111111111111 r_

b-I4 750 0and 20L 11 .

. . . . I . . . . . .I .I .II. II Irr

. . . . . . . . . . . . . . . . I 500 1A ] prat i AceptbleOperation ii_,n Trm-1

~kfFi iviH Hi Hi H+H-250 - I IIIIII I 11111111111---

TT-L II I I IIIIII I I I II rI ISI1rIrlI I I

.,1 ....

iil i ....__I -...lli1J.... --

, H I I I__ - -J - I IIII 0

0 50 100 150 200 250 300 350 400 450 500 550 Indicated Temperature (OF)

Figure 3.4.3-2 Reactor Coolant System Cooldown Limits Applicable Up to 35 EFPY HBRSEP Unit No. 2 3.4-8 Amendmient No. 202