ML102910727

Summary of Results from Comparison.Pdf

ML102910727
Person / Time
Site:	Crystal River
Issue date:	10/27/2009
From:	Office of Information Services
To:
References
FOIA/PA-2010-0116
Download: ML102910727 (3)

Text

SUMMARY

OF RESULTS - COMPARISON OF ACTIVE PWR NUCLEAR PLANTS (Based on Data Collected As Of 10/27/09)

ITEM COUNT REMARKS, Total Number of PWR Plants 42 Plants 69 Units Total Number of Units With 3-D Post- 18 Plants Tensioned Concrete Containment 32 Units Data Collected From Total Number of Plants 17 Plants and Units 30 Units No of Plants Replaced Steam Generator 14 Plants 22 Units No of Plants and Units Made Opening in 9 Plants CR3, ANO 1&2, Byron 1, Concrete 13 Units Braidwood 1, TMI 1(2), Oconee 1,2,3; San Onofre 2, Palisades, Turkey Pt 3&4 Number of Units Used Hydroblasting 8 CR3, ANO 1, TMI 1, Oconee 1,2,3, Turkey Pt 3&4 Number of Units Used Other Methods (Chipping, 5 ANO 2, Byron 1, Braidwood 1; Impact Hammer, etc.) San Onofre 2, Palisades Number of Units With 3 Buttresses 20 Number of Units With 6 Buttresses 10 CR3, Oconee 1,2,3; TMI 1, Calver Cliffs 1&2; Palisades, Turkey Pt 3&4 Number Plants and Units Having Continuous 10 plants Reinforcement on Both Faces of Containment 18 units Wall Number Units Not Having Continuous 8 plants CR3, ANO 1&2; Byron 1&2; Reinforcement on Inside Face of Containment 14 units Braidwood 1&2; TMI 1, Wall Oconee 1,2,3; Palisades, Turkey Pt 3&4 Number Units Having Ties/Stirrups Connecting 7 plants Farley 1&2; Vogtle 1&2; Both Faces 12 units Summer; STP 1&2; Wolf Creek, San Onofre 2&3; Calver Cliffs 1&2 Number of Units detensioned all tendons within 14 CR3, ANO 1&2, Byron 1, cut out area prior to cutting concrete Braidwood 1, TMI 1, Oconee 1,2,3; San Onofre 2, Turkey Pt 3&4 How many Units detensioned additional tendons 11 ANO V), Byron 1, Braidwood beyond the cut out area prior to cutting concrete 1, TMI 1, Oconee 1,2,3; San Onofre 2&3; Turkey Pt 3&4 (1) For ANO Unit 1: The additional tendons around the construction opening were detensioned during or after the creation of the construction opening.

(2) TMI 1 Steam Generator Project is in progress.

i DETENSIONING DETAILS Sequence Plant and Unit Detail of Detensioning Contact Name No. Within Open Area By Cutting By Relaxation (Burning) 1 CR3 V =6, H = 17 V=2 2 ANO 1 NONE V=6, H= 16 Jim Hale 479-858-4712 3 ANO 2 NONE V=6, H= 18 Jim Hale 479-858-4712 4 BYRON 1 NONE V= 9, H=16 Jay Smith 815-406-2604 jay.smith@exeloncorp.com 5 BRAIDWOOD 1 NONE V= 9, H=16 Jay Smith 815-406-2604 jay.smith@exeloncorp.com 6 TMI 1 V = 11, H=19ý NONE John Piazza 717-948-8377 john.piazza@exeloncorp.com 7 OCONEE 1 V=12, H=28 NONE Robert Hester

[Robert. Hester@duke-energy.com]

Mark J. Ferlisi,.

704-382-3923 8 OCONEE 2 V=12, H=28 NONE same as above 9 OCONEE 3 V=12, H=28 NONE same as above 10 San Onofre 2 Replaced the tendons V=12, Dave M. Schafer, P.E.

H=22 Steam Generator Replacement Project 949-368-9369 schafedm(asongs.sce.com 11 San Onofre 3 Replaced the tendons V=1 2, same as above H=22 Detail of Detensioning Questions:

Detensioned by Cutting? How Many?

Detensioned by Relaxation? How Many?