Browse wiki

Cable Routing Unanalyzed for Fire Safe Shu … Cable Routing Unanalyzed for Fire Safe Shutdown Barrier License Condition 2.G for Unit 2 requires, in part, that the licensee implement and maintain in effect all provisions of the approved fire protection program as described in the Final Safety Analysis Report through Amendment 87 and as approved in the Safety Evaluation Report and its supplements through Supplement 27. Section 9.5.1.3, Fire Hazard Analysis Evaluation, of the Final Safety Analysis Report references the Comanche Peak Nuclear Power Plant Fire Protection Report. Section II of the Fire Protection Report is the Fire Hazards Analysis Report. Section 4.5, Fire Protection Features for Fire Safe Shutdown, of the Fire Hazards Analysis Report specifies the allowable methods of ensuring that one of the redundant sets of systems necessary to achieve and maintain hot standby conditions is free of fire damage. Section 4.5.2.c, states, in part, that, enclosures of cables (if not one hour fire rated cables) and equipment and associated nonsafety circuits of components of redundant sets of systems in a fire barrier have a 1-hour rating. In addition, fire detectors and automatic fire suppressions systems adequate for hazards in the fire area are installed. Appendix A, CPNPP Fire Protection Program Separation Criteria Comparison Table, of the Fire Protection Report specifies that the separation method per Section 4.5 of the Fire Hazards Analysis Report utilized in fire area SB is method 2.cContrary to the above, prior to June 19, 2014, the licensee failed to ensure that aassociated nonsafety circuit in fire area SB was enclosed in a fire barrier having a 1-hourating. Specifically, the licensee failed to ensure that cable EO223531, a cable in thcontrol circuit for the train A containment recirculation sump isolation valve, waenclosed in a fire barrier having a 1-hour fire rating. The licensee documented this issuin Condition Report CR-2014-004721. This violation was determined to be of very losafety significance (Green) based on Inspection Manual Chapter 0609, Appendix FAttachment 1, Fire Protection Significance Determination Process Phase 1 WorksheetQuestion 1.4.4.A. This is the enforcement aspect of the licensee event report discussein Section 4OA3.3.e event report discusse in Section 4OA3.3.

Discovered date

23:59:59, 30 June 2014 +

Docket

05000445 + and 05000446 +

Event date

23:59:59, 30 June 2014 +

Finding integer

10 +

Finding type

Non-cited violation +

Has query"Has query" is a predefined property that represents meta information (in form of a <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Subobject">subobject</a>) about individual queries and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.

Identified by

Licensee-identified +

Inspection Manual Chapter

NRC Inspection Manual 0609/Appendix F +

Inspection report

IR 05000445/2014003 +

Modification date"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.

15:50:07, 30 May 2018 +

Person