Hall D MEDCON5 Operations Resumption Status

From GlueXWiki
Revision as of 16:22, 11 June 2020 by Whitey (Talk | contribs) (→‎2nd Tier - June 12)

Jump to: navigation, search

Meeting Time and Location

4pm Daily (weekdays only) beginning June 8 on Bluejeans

Last updated June 11, 16:20 

https://bluejeans.com/465620466

Introduction

Jefferson Lab will be going into MEDCON5 status on Monday June 8 with the expectation of resuming beam delivery to the Halls in July. There will be a gradual ramp up of activity in the Hall D complex over several weeks. On June 8th, a limited staff will come in to ready the areas for personnel return to conform to JLAB requirements and to ensure the risk to personnel is as low as reasonably possible. Other tasks (and associated personnel) will be accomplished in Tiers in order to limit the amount of personnel in any given area and ensure the 6' distancing can be maintained. There is currently no work authorized in Hall D which requires this distancing to be violated. The Hall D complex will be set up to have one way traffic to minimize chance encounters. The description of this set up can be found in the Hall D Resumption Plan (See Link in References below).

This page will be updated daily after the 4pm meeting to reflect the following days work.

Access

In order to access the JLAB property, you must have your supervisors approval. Several actions must be completed prior to starting work;


  • Everyone is to perform the Health Self Certification Test using the JLAB provided card daily before entering JLAB property. If you will not see your supervisor at the lab, send an email or text to your supervisor stating the results of your self certification.
  • Anyone coming into Hall D must have the approval of the Hall D Group Leader, Work Coordinator or Engineer. This is daily.
  • Sign in on the board at the entrance to the Counting House
  • The COVID-19 Pandemic Controls OSP must be read and understood prior to coming to JLAB (See Link in References below)
  • SAF003 COVID-19 Hazard Awareness and Controls must be completed (See Link in References below)
  • Read and sign the general Pre-Job Check List for COVID-19 that will be posted in the counting house
  • Complete and sign (persons performing task and their supervisor) the Pre-job checklist from the COVID-19 OSP for each task for which there is a written procedure before starting. The signed copy is to be posted at the job site.'

General Timing of Work in the Hall

Immediate Return June 8

  1. Eugene Chudakov and Mark Stevens will do a morning walkthrough the Hall D complex to determine the status of everything and Meet with management to discuss next steps
  2. Mark Stevens and Josh Foyles will then ready the Hall D complex for personnel to return to get equipment ready for beam which includes all signage and documentation posted, reviewed and ready. Task list here File:Hall D Pre-First Tier Tasks.pdf

June 9 Plan

Mark And Josh will continue to get the area ready per checklist. No one else will come in

First Tier - June 10

Josh and Mark will go in 8am, Scot and Tim will go in 8:30 for briefing. Mark will transfer the Work Coordinator phone to Scot who will be the acting WC for several days. Mark and Tim will leave and Bobby will come in to get briefed on the situation and sign paperwork.

The work will consist of getting all the electronics cooling and gas systems operating at nominal conditions. This may take several days

  1. ComCal:
    1. Restore N2 purge to run value.
    2. Restore and reactivate chiller (refer to Hall D Procedure above)
  2. Detector apparatus cooling (follow checklist(s))
    1. Turn on Microscope fan
    2. Bcal readout N2 purge – increase to run value
    3. CDC blower – turn back on
    4. BCAL chillers (refill circuits and start chillers) (refer to Hall D Procedure above)
    5. FDC chiller – turn back on and check proper operation (refer to Hall D Procedure above).
  3. Check operation of DAQ system in Counting House machine room


All cooling systems are up except BCAL chillers. This will be completed tomorrow.

Detector Gas Supply argon/CO2 (will be checked by Beni and Lubomir next week

June 11

Scot, Josh and Bobby authorized to come in to complete getting the BCAL chillers up and running

2nd Tier - June 12

Scot, Keith and Chris will start working the DIRC - they all are authorized to come in

Chris Keith will come in for approximately 1 hour to check the target compressor and vacuum pump.

2nd Tier will consist of getting all vacuum systems, magnet systems, DIRC Water system, Target up and turning detectors on (crates HV and LV)and spread out over several weeks

3rd Tier - June 19?

Final Hot Check Out on all systems

References

List of referenced documents and their links 

Hall D Resumption Plan File:Hall D Resumption Plan.pdf
JLAB COVID-19 OSP File:JLAB COVID-19 OSP.pdf
JLAB Web based Training https://www.jlab.org/human_resources/training/webbasedtraining
Hall D Safety Page  https://www.jlab.org/Hall-D/hd_safety.php
Accelerator 8am meeting link  https://jlab.bluejeans.com/569476853
Physics Medcon Operations Page https://physdiv.jlab.org/2020MedConOps/
Retrieved from "https://halldweb.jlab.org/wiki/index.php?title=Hall_D_MEDCON5_Operations_Resumption_Status&oldid=99648"