ML18057A393

Replacement Pages to Palisades Second 10-Yr Interval Inservice Insp Program.

ML18057A393
Person / Time
Site:	Palisades
Issue date:	08/14/1990
From:	CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:
Shared Package
ML18057A392	List: ML18057A391 ML18057A393
References
PROC-900814, NUDOCS 9008270129
Download: ML18057A393 (4)

Text

ATTACHMENT Consumers Power Company Palisades Plant Docket 50-255 Replacement Pages For Second Ten-Year ISI Submittal August 14, 1990 3 Pages

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2 NRC CONCERN Item 2. D., from Consumers Power Company letter to the NRC dated March 29, 1990 applied the pressure temperature exclusion from the 1974 edition, Summer 1975 addenda of Section XI, paragraph IWC-1220(a) to three subsystems attached to the SIRW Tank. This system is part of an emergency core cooling system and this exclusion should not be applied to these subsystems.

CPCo RESPONSE This exclusion has been removed from these three subsystems and examinations are now scheduled for the welds and hangers for all three lines. Table Al has also been revised to reflect this change (Attachment 2).

The three affected lines are:

ESS-6-SIS-CHR Line is found on page 451 in the exam tables.

ESS-6-SDC-REl Line is found on page 435 in the exam tables.

ESS-6-SRT-REl Line is found on page 461 in the exam tables.

On line ESS-6-SIS-CRH weld numbers 214, 215, 225, 226, 237, 238, 242 and 243 have been scheduled for examination during the second, third and fourth intervals. Additionally, all pipe hangers on this line are not scheduled for examination during the second, third and fourth intervals.

On line ESS-6-SDC-REl weld numbers 201 and 204 have been scheduled for examination during the second, third and fourth interval. Additionally, pipe hanger 207 PR is also scheduled for examination during the second, third and fourth intervals.

On line ESS-6-SRT-REl weld number 201 has been scheduled for examination during the second, third and fourth intervals.

4 On line ESS-14-CSS-SLA weld numbers 201, 201LI, 201LO, 202, 202LW, 203, 203LI, 203LO and 208 have been scheduled for examination during the second, third and fourth intervals. Additionally, all pipe hangers on this line are now scheduled for examination during the second, third and fourth intervals.

On line ESS-10-CSS-lPA weld numbers 209 and 227 have been scheduled for examination during the second, third and fourth intervals.

On line ESS-10-CSS-lPB both pipe hangers have been scheduled for examination during the second, third and fourth intervals.

On line ESS-8-CSS-lPA weld numbers 211, 212, 212PL-l, 212PL-3, 212PL-3, 212PL-4, 213, 214 and 215 have been scheduled for-examination during the second, third and fourth intervals. Additionally, all pipe hangers on this line are now scheduled for examination.

On line ESS--6-CSS-lPA weld number 210 has been scheduled for examination during the second, third and fourth intervals.

On line ESS-10-CSS-1P3 weld number 201 has been scheduled for examination during the second, third and fourth intervals. Additionally, both pipe hangers on this line are now scheduled for examination.

On line ESS-8-CSS-TCA weld number 201 has been scheduled for examination during the second, third and fourth intervals.

On line ESS-10-CSS-SLA weld numbers 201 and 210 have been scheduled for examination during the second, third and fourth intervals. Additionally, pipe support 207PS and pipe hanger 207PR are now scheduled for examination.

On line ESS-8-CSS-SLA (Page 410) weld numbers 211, 213 and 219 have been scheduled for examination during the second, third and fourth intervals.

On line ESS-8-CSS-SLA (Page 412) weld numbers 223, 226, 228, 229, 234 and 235 have been scheduled for examination during the second, third and fourth intervals. Additionally, all pipe hangers on this line are not scheduled for examination during the second, third and fourth intervals.

On line ESS-6-CSS-SLA weld number 221 and pipe hanger 221PR have been scheduled for examination during the second, third and fourth interval.

40 Functional Line Pipe Loop Isometric Weld Multiple Identification Identification Size(s) Identification Number(s) Number(s) Loop Number Comment Containment a. P-54A B-29, 130 ML-19 Spray Pump b. P-54B B-31, 130 ML-19

c. P-54C B-31, 130 ML-19

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Charging a. P-55A B-87, 131 ML-20 Pumps b. P-55B B-56, 131 ML-20

c. P-55C B-86, 131 ML-20 Concentrated a. P-56A B-55, 132 ML-21 Boric Acid Pump b. P-56B B-55, 132 ML-21 High-Pressure a. P-66A B-36, 133 ML-22 Injection Pump b. P-66B B-50, 133 ML-22 Low-Pressure a. P-67A B-29, 134 ML-23 Injection Pump b. P-67B B-35, 134 ML-23 Concentrated a. T-53A B-29, 3 ML-24 Boric Acid Tank b. T-53B B-55, 3 ML-24 Long-Term ESS-LTC 6" a. lA B-52A 201-228 ML-24A 1981 Modificati~

Cooling ESS-LTC b. lB B-60A 201-212 ML-24A Safety ESS-SIS 12" a. lAl A-7 1-8 ML-25 Class designation Injection b. lBl A-8 1-12 ML-25 changed from

c. 2Al A-9 1-11 ML-25 Class 1 to Class 2

d. 2Bl A-10 1-11 ML-25 in 1983

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