ML15082A365

E-Mail - Braidwood Request for Information

ML15082A365
Person / Time
Site:	Braidwood
Issue date:	03/23/2015
From:	NRC/RGN-III
To:
References
Download: ML15082A365 (2)

Text

Part B Items (Onsite) - NRC information Requests (3-23-2015) - ISI Braidwood U1

1) ITEM B.1 of NRC information request letter- Welds Selected for review A. The following Code Class welds completed during prior outage.

Work Order Code Class Description 1662830 2 Modify Existing Support (Line 2RH04AB-3)

Also include description from - EC 393838 1736885 1 Install Seal Welded Cap Also include description from- EC 398090 B. The following Code Class welding scheduled to occur during current outage.

Work Plan Code Class Description 01692233 3 CM-Tie In to U1 SX Pipe Also include description from - EC 394153 1692235 2 CM-ECCS Flex Suction & High Hd Inj Also include description from - EC 394151 1693158 2 CM Install Hanger Also include description from - EC 394480

2) ITEM B.2 of NRC information request letter- ISI related corrective actions AR/IR Number Description/Topic 01555373 1RH01CB-16": DRY BORIC ACID IN ASME BOLTED CONNECTION 01556089 A1R17 (SOURCE OF LKG. FROM 1SI8811A IDENTIFIED) 01557813 1/2RH01SA/B SECTION XI PRESSURE TESTING ISSUES 01558725 1A MSR ADDITIONAL EROSION DISCOVERED IN A1R17 - 1MS01AA 01562041 1SI023A PIPE CAP LEAK 01562216 BODY-TO-BONNET LEAK. 2AB8447B 01562356 BODY TO BONNET CONN DEFERRAL OF VALVE REPAIR ON 1SI8811B VALVE 01563691 BODY TO BONNET 01570803 RESIDUES ON REACTOR HEAD COMPONENTS UNIT 2 RV HEAD BEARING STRESS IS ABOVE 01578819 ASME ALLOWABLE 1SX27DA REPLACEMENT SEGMENT NOT 01596903 EXAMINED BY VT-2 VT-2 OF EMBEDDED U- 2 CONTAINMENT SPRAY 01694182 PIPING NOT PER SECT SURFACE LINEAR INDICATION FOUND DURING 02391565 PRE-FREEZE NDE (MT)

LINEAR INDICATIONS AT 2ND LOC DURING PRE-02395860 FREEZE NDE (MT) 01577925 WELDS PERFORMED INCORRECTLY - 1SXFS01-2 SI8811 ECAPSULATION HAS NO OVERPRESSURE 01562511 PROTECTION ADAMS Accession Number ML15082A365

FOREIGN OBJECT FOUND IN 1A SG SECONDARY 01357583 SIDE - A1R16 FOREIGN OBJECTS FOUND IN 1C SG SECONDARY 01359801 SIDE (A1R16)

FOREIGN OBJECTS FOUND IN 1B SG SECONDARY 01359305 SIDE A1R16 FME: SPIRAL GASKET MATERIAL FOUND IN 01656812 SUCTION STRAINER FME -FOREIGN MATERIAL RECOVERED 1C FW 01562009 PUMP SUCTION STRAINER FME -FOREIGN MATERIAL RECOVERED 1A FW 01562004 PUMP SUCTION STRAINER FME -FOREIGN MATERIAL RECOVERED S/U FW 01561988 PUMP SUCTION STRAINER UNABLE TO PERFORM EDDY CURRENT ON 01562268 INCORE THIMBLE TUBES

3) Item B.3- Relevant Indications Component AR No. Supporting docs CONTAINMENT 01558967 Exam report and completed corrective LINER actions for AR and site procedure with acceptance criteria that were applied for this issue.

NDE OF 01559649 Exam report and AR and procedure EXCAVATIONS ER-AA-335-1008 containing the IDENTIFIES acceptance criteria for these flaws REJECTABLE INDICATIONS NDE ID'D A 01562723 Exam report and AR and procedure REJECTABLE containing the acceptance criteria for MT these flaws INDICATION ON 1MS01AB REPAIR ADAMS Accession Number ML15082A365