Accelerator Update for August 24, 2007 - August 31, 2007

Fermilab Shutdown Report
8/24/07 – 8/31/07

LINAC

• All work on Schedule
  
• LLRF Upgrade
  

• The Neutron Therapy Facility is treating patients during the evening

Booster

Electrical Work:

• Cable pull 100% complete

Water work:

• LCW water work in the Booster West Gallery
• Most of the work is concentrated on the north side of the gallery
• Nevertheless, one must use caution while walking down the galleries and watch out for workers
• 4” copper pipe mounted on the wall and progressing with the BRF manifold
• Next week: Proceed with the BRF manifold upgrade and pressure test of the 4” line
• Tunnel water work:
• 80% filtration system complete (L2, L4, L11, L14, L16, L23)
• 50% of them have the 0.5 micron filter installed
• Next week: Connect water to the correctors. Finalize filtration system at L16
• CUB
• Booster de-oxy system is coming along
• Corrector installation
• Number of new correctors in the tunnel: 11
• L19,L17,L21,L23,L15,L9,L11,L13,L5,L7,L1
• L1 is not a standard installation
• It has been fully surveyed
• Except for L1, all correctors are electrically connected
• Working towards powering correctors in the tunnel
• Booster vacuum slowly recovering
• Next week
• Continue monitoring vacuum
• Continue L1 installation
• Keep up efforts for energizing the correctors
• Additional Activities
  
• Sink hole is still a concern
• Sumps reconfigured in preparation
• For Booster East Utility Yard
• Excavation
• Expect to start hand digging today

• RF maintenance work is proceeding well

Antiproton Source

Mechanical

• Leak Check (4)
• AP3 not recover from outage
• Finished checking D/A, A40, A30
• D:ESEP, A30 IP fixed
• D:ISEP Shielding
• Ion Chamber removal
• Deb DCCT motorized stand
• Started
• D:EKIK ceramic tube
• Electrical disconnection
• AP2 Water Hose Replacement
• Leaking LQA
• Surveyed into place
• Replaced leaking Deb Sextuple
• SMA water leak
• New one in beam line
• 4 water leaks to fix
• IQ8 fixed twice

Target Station

• Water Systems (2)
• DI cartridge done
• Temperature Monitoring (2)
• 1 wiring done
• Target Rotation
• Storage
• SEM Module
• LVDTs
• Sample Retrieval
• Lens motion
• Air Exhaust Stack
• 10mm-2 into transformer
• Prepping; progress
• 10mm-3 into transformer
• prepping
• Lens replacement

Cryo

• Valve Stem replace
• Leak Check (1 of 2)
• LN2 transfer line maintenance

Cooling Systems

• Deb 3&4 Trans Notch Filters
• Deb Double Notch Filters
• Core 4-8GHz Equalizer
• TWT balance & trip points
• Need cryo for 1 week
• Stacktail Filter 3 cable change
• Need cryo for 1 day

Electrical (Pbar & EE Support)

• Shunt Move
• Started
• Shunt Repairs (6)
• Removed and rebuilding
• PS Maintenance
• Lens SCRs
• Regulation Electronics
• Ion Pump maintenance
• Deb Shunt re-arrangement
• Plan has been proposed

Other

• Interlocks/Safety System (3)
• Repair cathodic protection
• Dirt holes under buildings
• Dripping from tunnel ceiling
• DCCT calibration
• Baking System checkout
• RF & TWT filters maintenance
• Lights Checkout
• Fluorescents done
• Acc BPM repairs
• Activation Survey
• Finished AP1, Acc, Deb, AP2
• Inductance checkout
• PM ODH Fans & Sumps
• Tunnel Wireless
• Install Leak Detector
• SEM maintenance
• Clogged sump line – Transport
• Berm digging

Main Injector

Maintenance

Recycler

• Finished or underway
• New DCCT section installed, leak checked and under vacuum since Wednesday last week; pumping down
• DCCT section has been aligned
• Will probably be baked starting in a week or so
• V303 moved
• H308 moved
• Need to check ALL LEP dipole positioning with respect to Beampipe
• STC tank 7 leak check underway
• Second attempt has been made; detected air but found no external leak so far
• Trombone additional quadrupoles installation issues
• HLRF cooperation
• Finished: 601, 602, 603, 604, 605, 606, & 607
• Underway: 608
• Wait on 609 location
• Added support to old DCCT
• Bulk supply upgrade (on-going)
• DCCT cable connected
• Stochastic cooling: Photodiodes aligned
• Pelletron Status
• All maintenance items have been finished
• Tank was closed yesterday
• Search and secure done
• Today:
• Turn on HV and condition the gas side
• Work on camera timing
• On the list
• Magnet moves and survey /alignment
• Elevation survey before and after collimator installation
• Measure Z coordinates of Quadrupoles in trombone section
• Reference to the surveyed elements
• Electrical connection for new quadrupoles
• Field check for new quadrupoles
• 800 transfer line vacuum work
• Vacuum maintenance
• Kicker repair; timing verification
• TOR330 repair
• BPM calibration
• Diagnostics maintenance
• MI-21 SA camera/TV repair
• Laser link vacuum maintenance

Tevatron

Tevatron status as of August 31

SwitchYard

Continuing with maintenance work. Installing quadrupole magnets in the F3 Manhole.

NuMI

• Completed early maintenance of target pile chiller
• Drain cleaning complete in Decay Pipe Walkway, Target Hall, Pre-Target, and Carrier regions
• Developed to look for leak in Horn 2 RAW suction line
• Developing plan to inspection upstream Decay Pipe Window
• Target Pile Dehumidification Installation Project (30%)
• Installation 220’ insulation on chilled water pipe in shaft
• Installing 2” electrical conduit in upper labyrinth
• Completed installation of chilled water piping @ bottom of shaft
• Installed 40’ of 4” chilled water pipe in upper labyrinth
• Completed installation of 4” chilled water pipe hangers in T-Hall
• Installed 420’ of chilled water piping in the T-Hall
• Installed 200’ of 2” conduit in the Target Hall
• Developed final layout for duct work to Munter dehumidifiers
• Received the evaporator, chiller and dehumidifier platforms

MiniBooNE

Work completed this last week.

• Reverse Horn Polarity
• Reverse polarity of horn power supply
• Test horn
• Retrieve Corrosion Tabs from 25m Absorber (27/28Aug07)
• No obvious corrosion to stainless steel
• Also inspected spare lifting lug – no apparent damage
• Change RAW DI Bottle (50%)
• Dry out horn (09Aug07)
• Check Leakage Current on Ion Pumps
• Power Supply Maintenance
• Toroid Work

MTA Beamline Installation

• Shielding underneath hatch area
• 08/27 Floor underneath the hatch area has been leveled to aid the shielding wall installation
• 08/30 Crane/Iron Workers returned to the job site
• Lifted left over material and unneeded equipment
• Started restacking shielding wall yesterday!
• Next week:
• Finish the wall
• ETC: 09/05
• Electrical Work
• Cable tray installation 100% complete
• Cable pull started and is progressing well
• Start with load cables – 30% complete.
• Next week: Continue with cable pulling and termination
• Alignment
• Crew was available this week to finish the network
• Crew assisted on checking stationing of some questionable magnets
• Next week: If schedule permits, start roughing alignment late in the week (or maybe early week 6)
• Core Drill
• Core drill of 3 blocks was successful performed yesterday
• Some other cuts were also done in order to get the right amount of shielding blocks for the new wall
• Magnet Installation
• 4 magnets remain to be full stationed
• Installation on hold until shielding wall is complete
• Next week: Resume installation after completion of the wall
• LCW work
• LCW connected to Booster 95 header
• Good progress with the long straight sections in the tunnel
• Both supply/return 2” copper piping installed along the wall
• Contractors are approaching the cross over the beam lines
• Next week: Continue with the 2” copper piping installation
• Vacuum work
• Making as much progress as possible with the spool pieces and flanges.
• Gathering parts for the ion pump stands

Collider Detector at Fermilab

• Silicon cooling leak repair
• Worked on east most of the week
• Started on west yesterday
• Other shutdown work ongoing
• Power outage at B0/CDF trailers
• 0800-1600 for both
• Experimental power off until Wedensday morning
• Will start shutting stuff down Monday evening

D-Zero

Work continues. Next week we will clean the high voltage

Alignment

Completed Jobs

• Recycler Task Manager: Oshinowo
• 5527 Optically align Recycler DCCT after installation. Date: 8/13/2007 Complete
• Tevatron Task Manager: Bocean
• 5494 As found low beta quads and separators at B0 Date: 8/06/2007- 8/08/2007 Complete
• 5495 As found low beta quads and separators at D0. Date: 8/09/2007- 8/14/2007 Complete
• 5498 Measure rolls on 111 dipoles and quads in Tevatron (48) Complete
• 5501 Un roll D16-1 quad when D-1 is warmed.(As Found) Date: 8/13/2007 Complete
• 5591 As Founds of the Roman pots at D0 4 of 6 Date: 8/13/2007 85% Complete
• 5598 A0 dump as found (no request for this job) Date: 8/23/2007 Complete
• 5594 As found Schottkies, Separators and Beam pipe at A17 s Date: 8/24/2007 Complete
• 5572 As found and re survey kicker replacement at F-17. Date: 8/28/2007 Complete
• 5506 As found crystal collimator at E0. Date: 8/28/2007 Complete
• 5506 level run through Tevatron tie rods. Date: 8/29/2007 Complete
• Booster Task Manager: Oshinowo
• 5534 Align 24 Booster Corrector Magnets.( Long 19 Long 17 ) Date: 8/13/2007 Complete
• 5534 Align 24 Booster Corrector Magnets ( Long 21 Long 23 ) Date: 8/14/2007 Complete
• 5534 Align 24 Booster Corrector Magnets ( Long13 Long15 ) Date: 8/20/2007 Complete
• 5534 Align 24 Booster Corrector Magnets ( Long 11 Long 9 ) Date: 8/21/2007 Complete
• 5534 Align 24 Booster Corrector Magnets ( Long 7 Long 5 ) Date: 8/23/2007 Complete
• 5534 Align 24 Booster Corrector Magnets ( Long 1 ) Date: 8/30/2007 Complete
• Main Injector Task Manager: Oshinowo
• 5563 AS found survey of Quadrupoles at 400, 402, 404 and the three Lambertson. Date: 8/13/2007- 8/15/2007 Complete
• 5554 307, 308 Collimators: Base plate survey Date: 8/16/2007 Complete
• 5554 307, 308 Collimators: Set travel and limit switches Date: 8/22/2007 Complete
• 5596 Magnet 614 had to be moved please realign. Date: 8/23/2007 Complete
• 5562 The beam pipe on the downstream side of the MI40 Lambertson. Date 8/29/2007 Complete
• CMS Task Manager: Oshinowo Field Crew: O’Boyle.
• 5516 Survey the CMS F-pixel Half cylinder +Z2 in the Lab C Date: 8/09/2007 Complete
• D0 Task Manager: Oshinowo
• Stickmike survey of Muon system prior to opening of detector. This will include both CFs and EFs. Date: 8/06/2007 Complete
• 5524 VStar or Laser Tracker survey of North/South EF pedestals with respect to the sidewalk monuments. Date: 8/07/2007 Complete
• 5592 Elevation run in D0 before machine is opened. Date: 8/06/2007 Complete
• Linac Task Manager: Oshinowo
• 5468 Stake out the MuCool beamline component locations in the Linac and MuCool Test Area (MTA). Date: 8/08/2007 Complete
• P-Bar Task Manager: Oshinowo
• A4Q10 (LQA in Accumulator) has a water leak. An "as found“ Date: 8/09/2007 Complete
• 5595 An Accumulator multipole magnet (SMA) has developed an internal Date: 8/23/2007 Complete
• 5488 Alignment A4Q10 (LQA in Accumulator) has a water leak. Date: 8/30/2007 Complete
• Nova Task Manager: Oshinowo
• 5475- Stake out new Recycler injection line (MI10) Date: 8/27/2007 Complete
• MTA Task Manager: Oshinowo
• 5469 Vertical check of the MuCool beam line components. Date: 8/29/2007 Complete

Next week’s schedule of work

• Tevatron Task Manager: Bocean Field Crew: Bradford, Adkins, J Wilson.
• 5499 Measure and re align 29 dipoles and quads that have new stands. Date: 9/04/2007- 9/07/2007
• As found TEL1 in transfer hall. Date: 9/05/2007
• As found TEL2 in transfer hall. Date: 9/06/2007
• Booster Task Manager: Oshinowo
• 5534 Align 24 Booster Corrector Magnets Date: 9/04/2007
• Main Injector Task Manager: Oshinowo
• 5554 4 collimators in the Main Injector at the 301, 303, 307, and 308 locations. Date: 9/04/2007-9/07/2007
• Nova Task Manager: Oshinowo
• 5477-Stake out new Recycler RR30 quad positions for the Nova Project Date: 9/06/2007
• 5476-Stake out new Recycler extraction line (MI30) for the Nova Project Accelerator upgrade. Date: 9/07/2007
• MTA Task Manager: Oshinowo
• Shoot MTA shielding blocks after re-stacking them underneath the hatchway area.
• 5469 Rough alignment of the MuCool beam line components
• CMS Task Manager: Oshinowo
• 5516 Survey the CMS F-pixel Half cylinder +Z2 in the Lab C Date: 8/06/2007
• CDF Task Manager: Greenwood
• CMS Task Manager: Oshinowo
• 5516 Survey the CMS F-pixel Half cylinder +Z2 in the Lab C Date: 8/06/2007
• ILC Task Manager: Bocean Not Scheduled
• P150 Task Manager: Oshinowo Late Request
• 5593 We had to move several magnets and multiwires to make up the ends on the cans for vacuum connections. They are as follows: The multiwire cans at 708 and 710. B2 magnets at the interface of 710 - 711 and the interfaces of 709 - 710, the serial #'s are BDM 883-1 BDM 835-1 BDM 879-1 and BDM 397-1. Date: 9/07/2007

Alignment and Metrology Home page

• http://ppd.fnal.gov/align/align.html

Mechanical

Janitorial work in the tunnels continues.

Cryogenic System

Tevatron at LN2 temperature except A1, C4, D1, and E1 at room temperature

• Tunnel magnet cryostat vacuums at A15, A25, and D35 regions are of concern.
• D-Zero Cryo online with TeV Cryo Compr discharge/suction headers due to pond work
• 3 FRIG Mycom compressors (plus CDF) running with helium precooled to LN2 temperature flowing through magnet strings

Cryo Operations

• 3 FRIG Mycom compressors (plus DZero & CDF Cryo) running with helium precooled to LN2 temperature flowing through magnet strings
• CHL helium inventory management system operating (Tank Farm, Helium Purifier, A0 GHe Recovery) and Tank Farm has been purified; the helium losses are normal
• CHL Nitrogen Reliquefier plant off and LN2 supply dependent on vendor deliveries to CHL LN2 Dewar tanks; deliveries are fine

FRIG Maintenance

• 10 of 13 wet expander flywheels have been replaced
• 12 of 26 wet/dry expander overhauls of cold ends are completed (A1 thru C2, plus the Antiproton Source)
• Various vacuum, instrumentation, and controls maintenance continuing

CHL Maintenance

• CHL helium inventory management system operating on clean Helium Tank Farm, though A0 GHe Recovery being vented due to CHL Main Helium Purifier plugged after 8-hour planned power outage. Currently CHL operating Screw Compressors on Mobile Helium Purifier while Main Purifier is being warmed up to room temperature for derime
• Coldbox-1:
• Charcoal Adsorber east unit regeneration at high temperature completed and now cooling down
• Nitrogen Reliquefier plant maintenance in progress:
• Marley Cooling Tower refurbishment almost complete
• Rotoflow compressor aftercooler tube bundle was replaced
• TSI compressor 3000 hp motor replaced and newly installed to be test run
• Various compressors and facility maintenance in progress

Current Operations

• Pbar Helium system (Debuncher and S/C Notch Filter tank) will be cooled down to LHe temperature next week for testing; FRIG Compr system has been purified past several weeks via CDF and D-Zero Helium Purifiers while they were online with FRIG Compr suction/discharge headers
• CHL Nitrogen Reliquefier plant off and LN2 supply dependent on vendor deliveries to CHL LN2 Dewar tanks; deliveries are fine
• CHL runs on a fire hose for ICW

Controls

This Week

• AD Windows Web Server Updates completed
• CAMAC Front End SLD Updates completed
• MADC II Updates continued
• Routine maintenance

Next Week

• Wednesday 9/5/07
• Linux File Server Upgrade
• Console Apps likely down ~4 hrs.
• Thursday 9/6/07
• BSSB version 8.8 Update ~1/2 hr.
• MI CAMAC Link Reconfiguration
• Loss of MI-30 CAMAC Communication ~1hr.
• Console Node OS Upgrades
• Individual console nodes unavailable ~1 hr.

Get Requests In Now

• Hardware you want to use may not be readily available
• New infrastructure (links, clocks, networking) takes time
• Work has to get scheduled

FESS

Casey’s Pond

• OPERATING 3 – 100HP PUMPS & C-4.
• FLOWS/PRESSURE STABLE.
• WILL CONTINUE INTO/THRU NEXT WEEK. (C-4 Power Outage on 9/8/07?)
• ICW FLOW METER WIP

Poles

• 18 of 19 poles installed.
• Projected completion is ~ 9/11/07 – ahead of schedule [weather ?]
• TENTATIVE POWER UP ON 9/29/07

TeV pond silt

• SECTORS A/B/C/ COMPLETED. D/E/F REMAINING.
• SUCTION SCREEN EXTENSION WIP [~ 30 REQUIRED].

Sink Holes

• BTE – PRELIMINARY INVESTIGATION/HAND DIG & REPAIR STRATEGY WIP FOR SUMP DISCHARGE LINE BREAK.
• AP-0 – LOCATED SUMP DISCHARGE LINE BREAK/HOLE AT TUNNEL LEVEL

Other Jobs

• CDF ICW VALVE BY-PASS WIP. TEMPORARY HOSE CONNECTION IN PLACE AT CHL.
• CUB #3 CHILLER[55LCW] – 15 TUBES PLUGGED
• MAINTENANCE CRAFT STANDARD STATUS CHART.

Safety

• Safety System Status
• Upgrade M02 - M05 Enclosure Interlocks 35%
• Upgrade Main Injector PLC Code and replace PLC Batteries 35%
• Replace Safety System DEC talk with ATT Natural Voices 30%
• Linux kernal 2.4 to 2.6 upgrade to Safety Data Acquisition System 25%
• Upgrade Meson Area Oxygen Monitors 0%
• Install Radiation Monitor Cables for the Muon Test Area 0%
• Replace Pbar Vault Key Tree Door Latches & add status LEDs 0%
• Route Key Tree release signals from MCR to Meson 100%
• Route Key Tree release signals from MCR to Meson 0%
• Prevent Injuries
• Use proper body mechanics when lifting.
• Utilize PPE to protect from injuries
• Be aware of surroundings
• A successful shutdown is getting our work done safely

Accelerator Update Archive

More Information
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