ML18162A026

Prairie Island Nuclear Generating Plant, Units 1 and 2 - License Amendment Request to Reclassify Certain Fuel Handling Equipment

ML18162A026
Person / Time
Site:	Prairie Island
Issue date:	06/12/2018
From:	Northern States Power Co, Xcel Energy
To:	Plant Licensing Branch III
Kuntz R F, 415-3733
References
Download: ML18162A026 (9)

Text

Prairie Island License Amendment Request to Reclassify Certain Fuel Handling Equipment June 12 2018 Northern States Power - Minnesota

• License Amendment Request *Background *Scope *Example *Additional Information *Summary Presentation Outline

• Approval of USAR changes that revise the PINGP Quality Group classification for certain fuel handling equipment from QA Type I (safety-related) to QA Type III (commercial grade) *Changes are consistent with industry standards -ANSI/ANS 58.14-1993 Section 5.6.1, Item 9 -ANSI/ANS 57.1-1992, Section 6.3 *Purchasing safety-related spare parts does not provide commensurate public health and safety benefits. License Amendment Request

• PINGP was designed and build in late 1960's/early 1970s -Prior to issuance of GDCs -Before guidance for classifying SSCs *Original A/E developed standard of 1% of 10 CFR 100 limits for classifying SSCs Background

• PINGP is approved for full scope AST -10 CFR 50.67 replaces 10 CFR 100 as licensing basis *Fuel handling accident offsite dose consequences fall below 10% of 10 CFR 50.67 limits. *Fuel handling equipment is currently classified as QA-Type I (safety-related) Background Fuel Handling Equipment to be Reclassified as "QA Type III": *Auxiliary Building Crane *Spent Fuel Pool Crane *Manipulator Cranes, including Load Cells *Spent Fuel Assembly Handling Tools *Rod Cluster Control Changing Tools *Spent Fuel Transfer System and its constituent components (conveyors, upenders, and related equipment), exclusive of transfer tubes and blind flanges Scope Example

• The QA classification of fuel handling equipment, including cranes, is not discussed in the NSPM QA Manual *The scope of this amendment does not impact "important to safety" SSCs described in the PINGP ISFI USAR. *Approval requested by September 1, 2019 to support 1R30 *Precedence Additional Information

• Proposed LAR will reclassify certain fuel handling equipment as QA Type - III (commercial grade) *Original PINGP classification scheme (1% of 10 CFR 100 limits) is more conservative than current standards *PINGP was approved for full scope AST *Fuel handling accident consequences fall below 10% of 10 CFR 50.67 limits Summary