Accelerator Update for August 10, 2007 - August 17, 2007

Fermilab Shutdown Report

8/10/07 – 8/17/07

LINAC

• Low Energy Low Level RF upgrade continuing
• LRF5 work
• The Neutron Therapy Facility is treating patients at night

Booster

Electrical Work:

• Cable pull resumed Thursday 08/16 (~ 70% complete)

Water work:

• LCW water work in the Booster West Gallery

• Much work in area – walk around
• Installation of 6” pipe ongoing
• Work started at the south end of the gallery going north
• Next week: Continue with the installation
• 4” and 6” copper pipe are staged in the gallery.

• CUB VFD testing was performed on Thursday and need to be redone.

Corrector Installation:

• Number of correctors in the tunnel: 5
• 4 fully surveyed and vacuum connections complete (L19, L17, L21, & L23)
• Physically installed corrector at L15
• Due to a technical problem discovered during the corrector installation at L15, the magnet support plates had to be shipped to machine shop for necessary adjustments
• Prep L11 for corrector installation today
• 5 more correctors were delivered to Hi Bay area (BMA013, BMA020, BMA021, BMA023, BMA024)
• 2 more are needed in order to have all 12 on hand.
• Next week: Continue with corrector installation

Antiproton Source

Mechanical

• Leak Check (4)
• Finished checking D/A, A40, A30
• D:ESEP, A30 IP fixed
• D:ISEP Shielding
• Cutting steel, staging (broken dumbwaiter), started
• Ion Chamber removal
• Deb DCCT motorized stand
• Will move GAPMON?
• D:EKIK ceramic tube
• AP2 Water Hose Replacement
• Leaking LQA
• Magnet out of beam line
• Replaced leaking Deb Sextuple
• SMA water leak – replace?

Cryo

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

Target Station

• Water Systems (2)
• DI cartridge replaced
• Temperature Monitoring (2)
• Target Rotation
• Storage
• SEM Module
• LVDTs
• Sample Retrieval
• Lens motion
• Air Exhaust Stack
• 10mm-2 into transformer
• Prepping
• 10mm-3 into transformer
• Prepping
• Lens replacement
• Pictures of PMAG

Cooling Systems

• Deb 3&4 Trans Notch Filters
• Installed; updating controls
• Deb Double Notch Filters
• Installed; updating controls
• Stacktail 4-8GHz Equalizer
• Installing
• TWT balance & trip points
• Stacktail Filter 3 cable change

Electrical (Pbar & EE Support)

• Shunt Move
• Started
• Shunt Repairs (6)
• PS Maintenance

SwitchYard

Continuing with maintenance work.

NuMI

• Continue water sampling through August 20th
• Drain cleaning completed in Absorber Passageway, Absorber Hall, and Muon Alcoves
• Updated Fire Protection System Software @ MI65/MINOS Service Buildings
• Installed 40 High Frequency Cores on Horn Power Supplies to Reduce Noise
• Subcontractor Dehumidification
• Installed 4 Support Brackets & 4” Chilled Water Pipes in Shaft
• Layout 4” chilled water pipes in Upper Utility Labyrinth
• Started laying out 4” water pipe in Target Hall
• Spot new chillers in MI65 Service Building Mezzanine
• Started laying out double wall PVC condensate line for shaft

MiniBooNE

There was no work completed last week.

• Reverse Horn Polarity
• Reverse polarity of horn power supply.
• Test horn.
• Check Corrosion Tabs at 25m Absorber
• Unstack 9 blocks from 25m absorber.
• Retrieve corrosion tabs.
• Restack blocks.
• Seal cover.
• Dry out horn (09Aug07)
• Check Leakage Current on Ion Pumps
• Power Supply Maintenance
• Toroid Work

MTA Beamline Installation

• Tunnel activities
• Janitors cleaned up the garage area
• Contractors started working on the cable tray installation
• Move an existing turbo cart out of the way
• Some beam line components have to be installed on that area
• Shielding under hatch area
• Parking lot has been roped off since Monday in preparation to receive the crane…well it never came!
• Iron workers are on site since yesterday
• And waited all day for the crane which did not show up
• The delay was due to problems getting the Transportation Permit from the County.
• Crane is expected to arrive today
• Activities will begin as soon the mandatory orientation and equipment setup are complete.

Next Week

• Immediately start the shielding work
• Estimate 2 days to remove the existing blocks
• Once this is done, alignment need couple of hours to connect MTA to Linac network
• Beam line components will then be lowered to the enclosure
• Tunnel activities continue with contractors installing cable trays

• Currently the project is 3 days behind schedule. Too early to evaluate the impact of this delay on the overall shutdown schedule.

Collider Detector at Fermilab

• Flammable gas flow to wire chambers switched to N2
• Plugs open
• Preparation proceeding for silicon cooling repair
• Calorimeter trigger upgrade review
• Committee signed off on completion
• Decommissioning of old system will begin next week
• As found LBQ survey finds changes, meeting next week to discuss repositioning

D-Zero

They have opened up their detector and begun work.

Alignment

Completed Jobs

• Recycler Task Manager: Oshinowo Field Crew: O’Boyle, Adkins, Teafoe
• 5527 Optically align Recycler DCCT after installation. Date: 8/13/2007 Complete
• Tevatron Task Manager: Bocean Field Crew: Bradford, Teafoe, Volk. Crutcher, Adkins, Shaddix
• 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 Task Manager: Bocean Field Crew: Bradford, J Wilson, Watt.
• 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
• Booster Task Manager: Oshinowo Field Crew: Wilson, Crutcher, Wish.
• 5534 Align 24 Booster Corrector Magnets after installation. Re-align adjacent cavities. Long 19 Long 17 Date: 8/13/2007 Complete
• 5534 Align 24 Booster Corrector Magnets (Long 21 Long 23)Date: 8/14/2007 Complete
• Main Injector Task Manager: Oshinowo Field Crew: O’Boyle, Adkins, Teafoe.
• 5563 OT. AS found survey of Quadrupoles at 400, 402, 404 and the three Lambertson at MI40. Date: 8/13/2007- 8/15/2007 Complete
• 5554 307, 308 Base plate survey Date: 8/16/2007 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 Field Crew: O’Boyle, Adkins, Wish / Wilson, J Wilson
• 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 Field Crew: Wilson, Contract Crew.
• 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 Field Crew: Wilson, O’Boyle, Wyatt.
• A4Q10 (LQA in Accumulator) has a water leak. An "as found“ Date: 8/09/2007 Complete

Next week’s schedule of work

• Tevatron Task Manager: Bocean Field Crew: Bradford, Adkins, J Wilson.
• 5498 Measure rolls on 43 dipoles and quads in Tevatron. These are magnets that cannot be measured with roll fixture. Date: 8/14/2007- 8/27/2007 Field Crew: Crutcher, Wish, Wilson.
• 5504 As found Pbar kickers in transfer hall (6 components) Date: 8/17/2007 Field Crew: Crutcher, Wish, Wilson.
• 5505 As found Proton kickers in transfer hall (6 components) Date: 8/20/2007
• Task Manager: Kyle Field Crew: Contract crew (Smego, Christopher), Wyatt, Volk Elevation run A-sector Complete Date: 8/14/2007- 8/28/2007
• Booster Task Manager: Oshinowo Field Crew: Wilson, Crutcher, Wish.
• 5534 Align 24 Booster Corrector Magnets Date: 8/20/2007
• Main Injector Task Manager: Oshinowo Field Crew: O’Boyle, Adkins, Teafoe.
• 5554 4 collimators in the Main Injector at the 301, 303, 307, and 308 locations. Survey will be required to survey the Base Plate. Date: 8/17/2007-8/22/2007
• Nova Task Manager: Oshinowo Field Crew: Wilson, Crutcher, Wish. Date: 8/23/2007
• 5476- Stake out new Recycler extraction line (MI30) for the Nova Project
• 5475- Stake out new Recycler injection line (MI10) for the Nova Project
• 5477 Stake out new Recycler RR30 quad positions for the Nova Project
• MTA Task Manager: Oshinowo Field Crew: Wilson, Crutcher, Wish.
• Control Network Continue, including walls and floor centerline layout. Date: 8/21/2007
• CDF Task Manager: Bocean Not Scheduled
• ILC Task Manager: Bocean Not Scheduled
• P150 Task Manager: Oshinowo Field Crew: Wilson, Crutcher, Wish. 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: 8/23/2007

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 C4 and D1 at room temperature.

• E1 warm-up to room temperature started.
• Tunnel magnet cryostat vacuums at A25 and D35-36 regions are of concern.
• Pbar Cryogenic Transfer Line AP30-AP10/60 vacuum leak checked fine.
• CDF back on their BA-1 Mycom compressor (failed unit was replaced) and thus isolated from Tevatron Cryogenic System.

Cryo Operations

• 3 FRIG Mycom compressor (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

• 7 out of 13 wet expander flywheels have been replaced
• Wet expander overhauls of cold ends have started
• CDF BA#1 compressor unit is being replaced (failed last month)
• Various vacuum, instrumentation, and controls problems being worked on.

CHL Maintenance

• Coldbox-1:
• Oil coolers have been replaced
• Charcoal Adsorber east unit is in high temperature regeneration
• Nitrogen Reliquefier plant maintenance in progress:
• Marley Cooling Tower cleanup/overhaul,
• Rotoflow compressor after cooler heat exchanger tube bundle being replaced
• Various facility maintenance in progress

Controls

This Week

• AD Server Updates complete
• Database Table Update complete
• MAC & Computer Room UPS Maintenance complete
• Acc. Network Switch IOS Updates complete (120)
• Computer Room Prep work for 8/18 Switch replacement
• MADC II reset updates continue
• CAMAC Front End SLD Updates continue
• Continuing routine maintenance
• JAVA Engine Restarts/Updates
• Having to reinstall OS on Solaris workstations

Next Week

• Saturday 8/18
• Replace EOL Gigabit Network Switch with Cat6506 Chassis
• No AD general networking (desktops). 2-4hrs.
• Tuesday 8/21
• General Network (desktop) Switch IOS Updates
• VAX Clusters move to MAC Room
• 4 clusters, move one at a time, down 30 min/cluster
• Alarms server, Fileshare, Console page access
• Wednesday 8/22
• General Network Switch IOS Updates
• Upgrade Sup720 to Cat6509
• No Accelerator Division Network. 2-4hrs.
• Thursday 8/23
• General Network Switch IOS Updates
• Saturday 8/25
• AD Web Server Updates ~2hr.
• No Time Server, No Elog access, No node reboot capability

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

Tevatron Cooling ponds

• Divers have examined the silt buildup around intake pipes
• Dredging will begin today
• A1 pond will have a bypass dug to the next pond
• This work will affect the cryo in the zero buildings

Electrical

• Switchyard
• Many mice nests found, but no live mice
• Thermography
• Examined several buildings and found a main buss problem at E1

A/C

• Work on Tevatron ring dehumidifiers
• Strike affect minimal

Mechanical

• Running a fire hose to CHL for CDF ICW bypass
• Casey’s pond 16” valve work will require a site-wide ICW shutdown

Safety

• Safety System Status
• Upgrade M02 - M05 Enclosure Interlocks 12%
• Upgrade Main Injector PLC Code and replace PLC Batteries 35%
• Replace Safety System DEC talk with ATT Natural Voices 15%
• 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 0%
• A successful shutdown is getting our work done safely

Accelerator Update Archive

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