Fermilab Shutdown Report
6/29/09 – 7/10/09
LINAC
Shutdown Weeks 3 & 4
- No Neutron Therapy Facility operations last two weeks. Expected return of NTF operations on week of 27th of July
- Column ceramics resurfacing completed Electrodes are in. Continued refurbishing of ion source in progress
- 480V panel breaker/Wiring replacement on Low Energy (LE) stations 4 & 5 & test station 7 completed
- Quadrupole power supply Card upgrade completed.
- Power strip replacement on all LE stations completed
- Continued LE and High Energy (HE) RF station cleaning and component maintenance
- Klystron RF station 8 and LRF7 operations for MTA tests took place
- Opened tank 5 for DT20 replacement.
- DT20 has been replaced and rough alignment is in progress
- General vacuum maintenance in progress on vacuum pumps. LE ion pumps showing signs of needing to be replaced
- NTF vacuum pump and valve will be replaced
- Trying to locate and repair vacuum leaks in LE tanks 1-3
- H- Dome and Pit cleaning in progress
Booster
Shutdown Weeks 3 & 4
- Correction element upgrade ~80% with magnet removal/installation
- 30 out of 36 magnets installed. 28 Surveyed
- Booster Period 11-23 under vacuum.
- Booster Period 24-2, 7-10 should be under vacuum at end of the day.
- Old correctors in period 3-6 (6 magnets) still in place and under vacuum. Will pull in about two weeks.
- 50% of corrector wire pulls completed. Will finish next week.
- Cable termination and connections in progress
- New Magnet Cooling Manifold installed at Long 14.
- RF Cavity 14 tuner repair completed. Will pulse test today.
- East Gallery LCW Cooling pipe upgrade 95% completed. Pressure test overnight with nitrogen.
- GMPS upgrade ~60% complete
- Making Wiring connections on switchgear and Transformers
- Work on GMPS 1 & 2 also in progress
New Sink Hole patched
- Sump Discharge sinkhole formed last weekend in East Booster Lot. (Found on Monday 4/6). Repairs made yesterday. Need to pressure test today
- Will also look at ICW valve leak in east Booster Lot
Antiproton Source
Accumulator 4-8GHz DP Kicker Upgrade: ~50% complete
- All beam line components are in place and final alignment is done. Pump down & leak check underway today. The A50-A60 bake will follow next week when baking system modifications are done. A40 bake is complete
Debuncher Septum Magnet Replacement: 50% complete
- Old magnet removed and inspected. Fatigue crack in braze joint was the cause of our problems. New magnet is in place awaiting final alignment
IB7 (AP2 dipole magnet) Replacement: 5% complete
- For ALARA reasons, this work will begin in August. As-found position survey was done this week
Other Work
- Maintenance work on various RF systems continues
- LCW leaks being addressed
- Replacement of old drive couplings for movable stands to prevent failures
- Alignment of tanks today (?)
- Sump pumps in Transport enclosure replaced
- Rad survey of rings/beam lines and inductance measurements of magnets
- Power supply maintenance – LCW hoses, filter capacitors, etc.
- Lithium lens 10mm-2 LCW leak repairs
- Remote LCW filling system for lens
- Target SEM work continues
Main Injector
MI10 area: On Schedule
- Civil construction progressing
- Tunnel boring: 5 of 18 holes completed
MI40 area: On Schedule
- All holes cut
- Conduit supports installed
- Eight conduits installed and grouted
Instrumentation: On Schedule
RF: On Schedule
- Working upstairs. This week: maintenance on modulators
PS: On Schedule
LCW: On Schedule
- Cleaning up old hose, aligning LCW pumps, maintaining 3-way valves etc.
MI-40 Kickers On Schedule
- Abort kickers moved, new beam valve installed, installing new kicker stands
MI-8 multiwires, MI-52 e cloud, collimator masks: all on schedule for work beginning later in the shutdown.
Recycler
Recycler
- Pot RR129 (i.e. MI-10 injection kicker)
- Move 6 magnets (80% complete)
- 5 magnets have been moved
- HLS installation at MI-10 (possibly)
- ALARA planning in progress
- Vacuum maintenance
- Not started
- Key vacuum tech unavailable for 3-4 weeks
- May limit the extent of the work done
- Power supplies maintenance
- VDPA1 & VDPA2 maintenance (75% complete)
- Correctors (not started)
Electron Cooling
- Pelletron maintenance (20% complete)
- Chains (2), sheaves (4) have been removed
- Flush Water/Glycol skid (and magnets) (10-15% complete)
- Water lines have been flushed
- One magnet (out of 3) has been flushed
- NMR probe replacement (50% complete)
- Probes in the 45 bend magnets have been replaced
- Recovered nominal operation
- One (out of two) probe in the 90 bend magnets has been replaced
- Tuning in these magnets is tricky (and can take a lot of time)
- Recycler Pump Out
- Vented regions show stable vacuum/pressure
- Looks like the MI-40 region could be pumped out late next week or early the following week
- Depends on progress of the work installing conduits, etc…
Tevatron
Six House to Fix: A3, E3, D3, A1, D1, and E1
Other Items
- Unroll TeV magnet 50% complete
- TeV RF water leaks Fix leak on RF 5 this week RF 2 later
- Horizontal Crystal collimator installed at E-0
- Repairing HLS systems around Tevatron
- Realign A side low beta quads Mid August
- Realign D0 low beta?
CDF had a change in elevation due to its detector sinking.
NuMI
Shutdown Weeks 3 & 4
- Modify Horn Power Supply for Anti-Neutrino Mode
- Install & Test Transport Rail System in Target Hall
- Install New 480 Electrical Service
- Install Controls System
- Complete Dry Run with Horn Coffin
- Replace Target Pile Bypass Air System Damper
- Replace & Shield Target Pile Humidity Monitors
- Complete Investigation of Horn 2 Water Leak-Identified a Water Leak from the EVAC Seal between the Horn and Bellows to the Water Tank
- Completed and As-found Survey of Horn 2
- Developed Seal Repair Procedure & ALARA Plan
- Practice Seal Replacement Procedure
- Drain and Remove Horn 2 Water Lines
- As-found survey completed of the Pre-Target and Target Hall
- Removed Electrical Hardware and Freon for Rowald Chiller and ship to storage
- Complete Preventative Maintenance on T-Hall and Decay Pipe Dehumidification Systems
- Start Mobilization for Hadron Monitor Replacement
- Absorber Hall Dehumidification System 85% Complete
- Waiting For Pumps & Heat Exchanger
- Controls Installation In Process
- EPB Dipoles PEEK Installation Continues
- HV101-1 & 101-2 Install Complete, Survey Needed
- 101-6 PEEK installation started
- Bore Scope of HV101 Line Found Nothing
- Profile Monitor Replacement Started on PM101 &PM105
- Stands in Place, PM101 Installed By End of Day Today
Alignment
Tevatron – 59% completed
Main Injector – 35% completed
Booster – 70% completed
Pbar – 70% completed
Recycler – 67% completed
Switchyard – 50 % completed
NuMI – 47% completed
Linac – 0$ completed
FESS– 0% completed
D0 – 60% completed
CDF – 100% completed
400 MeV Area – 0% completed
MTA – 0% completed
Cryogenic System
TeV at LN2 Temperatures
- Continued support AD/MSD for A3 & D3 repairs; E3 warming up to room temperature
- FRIG A2 low-pressure heat exchanger helium-air leak found; weld crack repairs planned
- Planned power outages went well except for some controls issues resolved by AD/Controls
- Continued ringwide vacuum pump maintenance, repairs, and pumpdown of various components to assure stable Tevatron LN2 Mode Operations
- 8 wet engine flywheels replaced, 4/5 wet engine motors replaced, 12/24 wet engine overhauled, 4/6 IHI cold compressors replaced
- Mycom Compr Benshaw starter modifications, 7/8 (TEV) completed
- Mycom Compr relief valves replaced (1/8)
- Ongoing numerous FRIG/Compr controls/instrumentation maintenance/repairs
- CHL at room temperature for maintenance (equip greasing/oil changes, NRL Niagara aftercooler cleaning-50% done, relief valves inspection/testing, instr. repairs, NRL R22 precooler condenser fixed. Liquid nitrogen supply to Tevatron relying on Linde deliveries (~3 per day) to CHL’s 150,000 gallons of tank storage
Controls
Completed:
- AD General Network Switch Upgrade
- New AD firewalls in place
- UPS Maintenance - Network & TLG
- S/R and SDA Database Firmware, OS & Sybase S/W Updates
- General Maintenance
Upcoming Week:
- BSSB Update & TLG reboot (Tuesday)
- Java Engine S/W Updates (Tuesday)
- Application & Device Database Firmware, OS & Sybase S/W updates (Wednesday & Thursday)
- Maintenance as necessary
MTA
Roll-up Shield Door
- Electrical cable pull, top of berm complete
- Shield wall outside of roll-up door complete
Hatch Shielding
- Started 7/02/09
- Anticipated completion 7/15/09
Permanent Magnet Construction and Installation
- PM parts ready for VB01 replacement
- Construction waiting for Linac technicians
- Construction area undecided, requires crane
- No “parasitic” beam without PM.
FESS
Electrical and High Voltage
- MSS-Buss Duct Work and Relay Testing-ahead of schedule-to be energized next week
- 345kv-relief system testing
- TeV Ring-Service Building HV/Electrical Pm’s-A thru F3 completed per schedule
- TEV-EO [B] faulted feeder replaced to pond pump pit transformer
- MI-MI12 SD & switch replacement [4 bay S&C]
- TEV-lighting re-lamp WIP on 4-12 pm shift
- Linac-Lighting replacement started
- CDF/BO-VFD for LCW Pumps failure [pump sizing in question]
- CHL-FDR 38 power outage work, complete
- No major findings to date
Mechanical
- APT40-both sumps replaced
- TEV-Tunnel Supply fans/systems PM
- Pond-Pond Pump PM & repack
- MI-Make-up Air Units to tunnel PM
- MI-MI10 Sump replaced
HVAC
- MI-dehumidifiers PM
- Minor findings found on condenser fans/dehumidifier relays/controls
CUB
- Klystron cooling switched to Comfort Chilled Water System (Chillers1, 5, &HX2) due to 55LCW pumps/system scheduled shutdown
- #3 Chiller-Setting up condenser cleaning work to be completed next week with Eagle Services (New Contractor)
- HE9 plate frame heat exchanger-scheduled for cleaning next week by Eagle Services
- #4 Chiller-on schedule for cleaning later next week
- Additional chemical cleanings have been required due to calcium deposits & longer run period from last shut down (2007)
- 55 LCW LP4 & 5-VFD Drive Replacements, now through 7/17
- Cooling Tower piping repairs to HE1 (Booster) and HE9 (Pbar) scheduled for 7/13, 7/14 & 15
- CUB Shut Down set for 7/25 -FDR 42- Electrical/ HV & Sunday 7/26-mechanical maintenance to include inspection of tower water tank (Fdr 40 PM for Linac/X Gallery)
Other Work and Comments
- BTE new sink hole in parking lot-break in BGE Sump discharge line common to recent Break under BTE Transformer YBE1A.
- BTE –ICW leak in same area as sump discharge line leak
- ICW water main repair-the section of 14” line @Roads A1/A2 being replaced with a 12’ HDPE line by directional boring (in progress)
- Zebra Mussel status-minimal infestation findings in MI and TeV Ponds/Intakes
- ICW Site Wide Flush-mobilization & tentative start on 8/1 & 8/3 thru 8/6
- Zebra Mussel Treatment Site Wide-Friday AM 8/7 to Sat AM (24 hrs)
- Casey’s Pond Shut Down- Tentative schedule for Sat 7/25 for 8-10 hrs to inspect/clean ICW sump with Divers-ICW valve configuration to start @ 6AM to provide FCC ICW from C-4 Pump House
Safety
Safety
- MuCool Test Area (MTA) crane work should be complete this week
- Aside from the unexpected NuMI horn water leak location, shutdown tasks are progressing as planned
- Thanks to Pbar for patiently waiting for coverage as we address other areas
Interlock Work
- Oxygen cell replacements
- Safety System Interface Unit capacitor replacements
- Single Line Electrical Drawing Verifications
- Tevatron ground fault diagnostics installation
- Misc. Tevatron Interlock repairs
- Safety System Testing
Shutdown Safety
- Injuries
- None to report since last meeting
- Construction Areas
- Any access must be coordinated through the Construction Coordinator
- Must comply with construction HA and all PPE requirements Construction attire, work boots, hardhat, and safety glasses
- Remind work crews to use PPE
- Gloves, safety glasses, and bump caps available from the ESH Department
- Continue to stress housekeeping in work areas
Continue using the Take Five principles Before, During, and After work activities to:
- Avoid Injuries
- Reduce Environmental Impacts
- http://www.fnal.gov/takefive/
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