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CX-008758: Categorical Exclusion Determination

Advanced Test Reactor (ATR) Primary Coolant System (PCS) Relief Valves Monorail System
CX(s) Applied: B1.31
Date: 05/14/2012
Location(s): Idaho
Offices(s): Idaho Operations Office

The purpose of this project is to provide a monorail system to aid maintenance personnel in the hoisting and transporting of the Advanced Test Reactor (ATR) Primary Coolant System (PCS) Safety Relief Valves, SF-A-1-71 and SF-A-1-72, in support of the 2 year replacement. The monorail system would consist of two independent monorail assemblies installed in the concrete ceiling of the ATR Nozzle Trench Area.