DOE Electrical Assessment of C-AD: Inaccurate Electrical Panel Schedules Missing Knockouts Panel Modifications Picture of the Week Collider-Accelerator.

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Presentation transcript:

DOE Electrical Assessment of C-AD: Inaccurate Electrical Panel Schedules Missing Knockouts Panel Modifications Picture of the Week Collider-Accelerator Department Take 5 for Safety

Recent Assessment Results Level 1 Finding: A number of circuit breaker cabinets within the AGS, STAR and PHENIX were found with inaccurate panel schedules Openings due to removed conduit and / or missing hardware on the front panel covers Feeder circuits supplying circuit breaker cabinets were not identified within any of the four toured CAD facilities A number of circuit breaker lighting cabinets were found to have been modified within the AGS tunnel facility 2

DOE: Switches In Service Panels, Subpanels, Or Elsewhere Shall Be Marked To Show What Loads Or Equipment Are Supplied; NEC: Source (Feeder Circuit) Shall Be Labeled On Panel 3 Loads, Disconnects, Controllers Should Be Labeled With Same ID# As Indicated On Service Panel

Web Examples of Openings Due to Outer Panel Box Missing Hardware PPE at BNL was calculated assuming the panel enclosure offered no protection in an arc flash Do not use -1 rule if panel has missing hardware Main issue: bees and animals can get in 4

Web Examples of Missing Hardware Inside Panel (Shock Hazard); Not Observed During Assessment 5

Panel Modifications Circuit breaker lighting cabinets were found to have been modified within the AGS tunnel Transparent Lexan panels were installed over relays to protect exposed conductors Lighting cabinets were approved by a NRTL Lexan modification requires review from by C-AD EEI 6

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