[acg] Fw: [HDList] APPROVED: Hall D Meter Install 203-CH-L2

Gary Croke gcroke at jlab.org
Mon Sep 23 12:09:13 EDT 2024


Heads up of Hall D power outage Wednesday.  Let's be prepared to recover network & iocs if necessary.

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ATLis<https://tasklists.jlab.org>
View Task in Web Browser<https://tasklists.jlab.org/hdlist/tasks/113400>
Hall D Meter Install 203-CH-L2
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Recent Comments

2024-09-23 11:00 APPROVED by spiegel

Walkthrough conducted with J. Willoughby @ 9:00 a.m. Discussed impacts to systems, network switches & PLC controls for duration of task. Fair warning, work will start on Wednesday 8/25 @ 8:00 a.m. For those groups with effected rack equipment - Please review and intervene if necessary.

2024-09-23 07:11 COMMENT by jasonw

Outage confirmed for Wednesday 9/25

2024-09-19 14:30 COMMENT by spiegel

Attached documents are being reviewed. Walk-down with Hall D staff to verify impacted loads and systems must be conducted before work is approved. Some effected loads may have to be powered by an alternate source to remain operational.

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Task Hazard Analysis has not been reviewed by EHS&Q group.

General EH&S Hazards

Do you require familiarization with the work area and its current state? Do you need to perform a pre-job walkdown?

YES - Walk-down with Hall D staff to verify impacted loads and shift loads over that must remain operational

Does the task involve the use of portable hand tools?

YES - Portable hand tools

Does the work involveelectrical hazards (i.e.: electronic equipment; construction/modification of electronic equipment; or energized AC electrical equipment )?

YES - LOTO 203-CH-L2

Will you need to perform Lock, Tag, Try (i.e.: are there hazardous/stored energy sources such as electrical, mechanical, hydraulic, pneumatic, chemical, thermal or other forms of harmful energy that need to be controlled)?

YES - Simple LOTO my subcontractor at 203-DS-T5

Safety Controls

Will the task affect other safety system components not listed above?

YES - SSG to verify impacted loads and plan accordingly

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Description of Task

Follow-up install for the Hall D Complex Metering. CTs in 203-CH-L2 would not fit. New CTs have been ordered and are on-hand, ready for install. Turn power off to 203-CH-L2 to install new CTs.

Impact Statement

All power being fed from 203-C-L2 will be removed for the duration of the install

Hardware. Software. Engineering. or Design Changes Required

Any item that must remain operational should be plugged into a source that is not impacted by the outage

Special Hazards/Safety Considerations

Any item that must remain operational should be plugged into a source that is not impacted by the outage as they will be off if left on the impacted panel

Special Checkout Instructions

none

Backout Procedure

none

Status


Tasklist:
HDList
Task ID:
113400
Status:
OK
Time Estimate:
4 hours
Required PSS:
NA
Priority:
First Opportunity
Scheduled:
NA
Created:
2024-09-18
Updated:
2024-09-23
Created By:
J_Willoughby
Created For:
User
Responsible:
Jason Willoughby

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