introduction mont progress f. pilat safety issues m. logue ... · 6-month shutdown: status fulvia...
TRANSCRIPT
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6 Month Down Progress Meeting Agenda
Introduction Mont
Progress F. Pilat
Safety Issues M. Logue
Closing Remarks Mont
21 July 2011
11:30 a.m. - 12:30 p.m.1:00 p.m. - 2:00 p.m.
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6-Month Shutdown: Status
Fulvia PilatDeputy Associate Lab Director for Accelerator
Head of the 6MSD Team
All Staff Meeting6MSD Status and Safety
CEBAF Center, July 21, 2011
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Outline
The first 10 weeks (trends, accomplishments, issues..)
Status
• Accelerator
Focus on magnet rework, cryomodules, RF zones
• Civil construction
• Halls
• Facilities
• FEL IR run starts in August
Look ahead
Planning for the rest of the 6MSD and the ensuing physics run
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The First 10 Weeks - Highlights
• Good first ~1/3 (10 weeks down, 18 to go….)
• Magnet rework and reinstallation going very well
went for the “stretch” goal (rework Arc 7 and 9 in East Arc)
and then added Arc 5
• Civil work, Halls, RF installation, LCW, FEL, and major scope of work on track so far
• The production and testing of the first 2 C100 cryomodules is delayed (largely as a result of the micro-phonics measurements and analysis) but we drafted a revised plan that gives high priority to installation and testing of C100-1 and C100-2, and allows for installation of R100 in the tunnel.
• Steering processes, teams and tools (integrated schedule) put in place for the 6MSD are working well.
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(Baseline)
(Stretch)
Add
Refurbish C100-2
Refurbish
C100-1
Accelerator
• East Arc Dipoles
(Arcs 7 & 9) removal
and installation
through SA Bldg
• Cryomodules into SA
bldg and into SLinac
for installation
• West Arc: rework 2-4-6-8, add Arc10
• East Arc: rework Arc 5-7-9
(leave Arc 1 and 3 untouched)
R100
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Magnet Rework Trends
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Magnet De-Installed
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Installation
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Magnet Factory, yesterday….
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RF Zones
Installation and testing of new RF power for the new cryomodules:
SL24 fully installed, SL25 and SL23 in progress….and……
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RF: Hot from the Press….
Zone SL24 successfully tested yesterday!
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Rendering of Hall D Complex – Looking East
Hall DCounting
House
Cryo Plant
Service
Building
Existing
Facilities
Beam Line
N
Tagger Area
Tunnel Extension &
Connection – Phase III
(FY11 Down)
Existing Tunnel
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Trench Box Installation
Weld failure on east cart, south side, bottom rail – Jun 24
Bolt failure on west cart, south side, top rail – Jul 7
3 strut carts
Trench Box
End of NE Stub
Example of
problem
resolution:
•Identify problem
•Stop working
•Investigation(s)
•Remedial plan
•Implementation
•Resume work
•Minimize impacts
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Hall AG2P beam-lines, target and cryo update all progressing well
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Hall B
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Hall C
SOS removal
Qweak target work
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Look Ahead
Challenges/issues for the remaining of the 6MSD:
• Completion Magnet refurbishment and reinstallation
• Weather, possibly causing delays in civil construction
• Accidents
• Cryomodule tests with beam and BBU measurements
• Handover new/refurbished systems to ops, hot check-out
• Bringing back timely the machine to full performance for 6 GeV operations
formally tracked risk
developed an integrated plan
internal review planned for the end of August
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Acknowledgments
The shutdown is a laboratory-wide effort
• Thanks to all Divisions, Groups, and individuals doing the work
• Thanks to the 6MSD Team
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6MD Incidents and
Lessons Learned
Mary Logue
Associate Director, ESH&Q
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Good Day! First Aid Injury Recordable InjuryOther Noteworthy Events
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Incidents Reported
Date Event Disposition
May 16Employee stood up and hit head on rail of strongback resulting in minor laceration
First Aid
May 23Employee was performing repeated “unscrewing” motions resulting in tendonitis
First Aid
June 2Employee’s leatherman tool blade closed and cut tip of index finger resulting in laceration
First Aid
June 13Subcontractor stepped down and 18 inch step and twisted left ankle – was assigned work restrictions
DART
June 20Subcontractor was tilting duct jack upwards and felt sudden pain in his upper back
First Aid
June 20Employee was potentially exposed to lead above the OSHA and ACGIH limit. Medical follow-up reported no uptake
First Aid
June 23Subcontractor was pulling cable when left hand twistedcausing wrist pain.
First Aid
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Incidents Reported
Date Event Disposition
June 23Graduate student experienced inguinal discomfort while lowering a mag drill
First Aid
July 1 Subcontractor was struck on hard hat with hollow spackling tool First Aid
July 6Employee bumped shin against blue metal brace causing abrasion of skin
First Aid
July 7Employee spilled PVC glue which then spilled on co-workers’ face
First Aid
July 7Mechanical fasteners connecting the strut to the linear rail of trench box failed
Event
July 11 Employee punctured their arm on exposed rebar wire ties First Aid
July 11 Subcontractor slipped in a puddle of water spraining right knee First Aid
July 13Subcontractor bent over to pick up geo-technical fabric and experienced back pain
DART
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Safety Observations
• There have been over 270 safety observations made of 6MD work – 75% of them have been recorded as “All Safe”
• Improper use of ladders and housekeeping are the recurrent themes
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Observations
• Observed workers walking alone through ODH 1 areas. Talked to one guy, he had just forgot that the area was an ODH 1. He saw the signs.
• Observed worker driving in reverse all the way from the middle of the South Linac service bldg. past bldg. 50. We stopped and talked to this person; he knew he was wrong but still did it. He promised not to do it again.
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So What?• Safety Observations tell us that folks are taking short cuts and
knowingly placing themselves in unsafe situations
• Injuries tell us that we’re seeing more issues with work planning
• When planning work:
– Lots of Physical Work taking place – consider body positioning and need for breaks when planning work
– Consider impact on other work groups
– Take the time to look at your work area before you start work
– Use the best tools for the job and use them correctly
– If the job conditions change – STOP the work and re-plan
– No short cuts!
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Lessons Learned – Potential Lead Exposure
• Work Activity: Remove steel panel from SOS detector platform using arc-plasma cutting
• After 1st panel removed, discovered lead shielding
• Work halted and IH was brought into consult
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Lessons Learned – Potential Lead Exposure
• Job planning completed with additional PPE, including respiratory protection and monitoring and job was restarted
• Later monitoring results indicated potential exposure above OSHA Permissible Exposure Limits
• Further monitoring indicated no uptake
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Lessons Learned – Potential Lead Exposure
• Lessons Learned:– If you encounter
something unexpected, stop the work and re-evaluate – Yea Team!
– Consult with as many people as you can or need to when planning the work
– Create New Hazard Analysis if there are changes to the work scope
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Finally…
A walkthrough of your work area each day keeps the hazards at bay!