Fermilab Shutdown Report
7/19/10 – 7/23/10
LINAC
Shutdown Week 1 – On of Off Schedule
- Preaccelerator
- I- heater supply upgrade 25%
- I- generator repair 50%
- Both ion gauge replacements 25%
- I- source cleaning 25%
- Electrical work
- LERF breaker panel replacement 50%
- LERF water skid wall disconnects 100%
- Low Energy
- LRF1 tuner/fingerstock repair 100%
- LRF1 PA swap 25%
- Tanks 1 & 2 ion pump replacement 100%
- Roughing pump maintenance 75%
- QPS card upgrade 40%
- Modulator maintenance 50%
- Buncher RF coupler install 100%
- LRF4 filament PLC upgrade 0%
- LRF5 PA filament leak repair 0%
- Modulator Accopian PS replacement 0%
- High Energy
- Solenoid flow meter upgrade 100%
- KRF1 120V outlet install 0%
- Distribution skid HX cleaning 50%
- Debuncher skid pump relocation 100%
- Debuncher skid controls upgrade 33%
- Transformer oil processing 20%
- QPS maintenance 0%
- CS/PFN maintenance 25%
- SC tank 3 TLM install 0%
- Controls work
- Pulse shifter chassis move 100%
- LERF ACNET console installation 100%
Booster
Shutdown Week 1 – On Schedule
- Directional boring for new sump lines
- One new line has been pulled into the tunnel
- Preparing for next directional bore
- BRF1 repaired, inside tuner bar replaced
- BRF18 tuner replacement progressing
- BRF3 at MI60 for testing
- Preparing for cable pulls starting today
Antiproton Source
No written report, on schedule
Main Injector
No written report, on schedule
Recycler
- Vertical Flying wire replacement (50%)
- Flying wire installed and vacuum leak tight
- Bake to start today and continue over the weekend
- Replace beam valve solenoids (5%)
- Recycler vacuum maintenance (not started)
- Leak check vacuum in 800 line
- TSPs sublimation
- Other
- Power supplies maintenance
- Controls nodes
- Repair RF amplifier on Station 3 - Started
- Install shielding near BV308F
ECOOL jobs update
- Inside Pelletron tank
- Electrical work (80%)
- Regulation circuitry replaced & tested
- Upgraded modulator installed & tested
- Replace SPD05 solenoid power supply – Next week
- Mechanical work (?% - See next slide)
- Preliminary cleaning and inspection complete
- Flow switch installation on collector water system – Underway
- Outside Pelletron tank
- Lots of ‘small’ maintenance tasks
- SF 6 Dryer/Recirculation system, SF 6 transfer skid, Compressor, Water chiller – Underway
- Back flush SPC80 cooling solenoid
- In the MI tunnel – Does not need to happen during the first 2 weeks of the shutdown
Charging efficiency degradation investigation
- Cause is not known
- Various measurements are being
made to try to locate the origin
of the problem
- e.g.: Sheaves alignment
top to bottom
- Depending on the findings
corrective actions may be needed
- e.g.: replace and/or align
the sheaves
Tevatron
NuMI
Week 1
- Re-cored to supervised access, removed shielding wall & installed crane electronics
- Took water samples from drainage system (18 samples in total)
- Complete rad surveys in target pile above the target and horn 1 to track decay for future NoVA & LBNE operations
- Changed target pile pre-filters
- Install target hall camera system
- Installed the coffin transport system in shaft & Target hall area
- Moved NT-02, PH1-01, & PH2-01 out of the morgue to temp storage in t-hall
- Move PH1-01, & PH2-01 to C0 storage facility
- Remove electrical service from target pile fan
- Remove TP sensors & instrumentation
- Complete survey of muon alcove 4 & install stand for future detector
- Start electrical upgrade for ANU/NoVA in SB power supply room
Week 2
- Move NT-02 to C0 storage facility
- Continue rad surveys above the target & horn 1 in the target pile
- Move PEI units A & B from electrical support room to MI62 for repairs
- Inspect Gollum’s Cave for ground water
- Install & removal of scaffolding for target pile fan repair
- Remove target pile fan & dehumidification duct work
- Start removal of target pile fan and motor
- Start pre-target & decay pipe drain cleaning
- Start multiwire replacement
- Removed PM112 & modified stand (conduit interference w/ new install)
- Removed PM 108, modified stand, & install new MW
- Complete decay pipe helium instrumentation upgrades
- Start change out of regeneration motors on dehumidifiers
- Continue electrical service upgrade for ANU/NoVA
- Clean target pile chiller & re-lamp target hall (FESS)
Preview of week 3
- Continue with target pile repair installing new fan and motor
- Install additional water protection over Absorber and hadron monitor
- Complete dehumidifier regeneration motor replacement
- Finish install of PW 112 & continue replacement of multiwires PW 105 & 107
- Start installation for MINOS chiller & underground cooling loop upgrade
- Start AH dehumidifier repair of heater controllers
Cryogenic System
Operations/Maintenance Schedule
- Tevatron at LHe temperatures except as noted above.
- MSS power outage went well. CHL NRL plant off and we are relying on Linde deliveries (4-5 truckloads per day) to CHL’s 150,000 gallons of tank storage.
- Continued ringwide vacuum pump maintenance, repairs, and pumpdown of various components to assure stable Tevatron cryogenic system operations.
- 8 wet engine cold ends were overhauled (8-10 hrs per unit), 1 overhaul in progress today.
- Ongoing numerous FRIG/Compr controls/instrumentation maintenance/repairs.
MiniBooNE
No written report, on schedule
SY120
- MSEPs were transported from MI-65 to Enclosure B
- Two MSEPs were installed, alignment next week
Collider Detector at Fermilab
No written report, on schedule
D-Zero
No written report, on schedule
EE Support
No written report, on schedule
Controls
Past Week:
- Recovery from Power Outage
- Computer Room cooling system repair recovery
- SDA and Save/Restore Databases OS Upgrades
- MI-39 CAMAC & Timing Links Installed & Operational
- MAC Room & Computer Room UPS Maintenance
- General Controls Maintenance & Support
Upcoming Week:
- Saturday - ACNET Down (7-10 hrs.)
- Cross Gallery power outage
- Monday morning - Applications and Device Database OS Upgrade
- Monday afternoon – ACNET Console Restarts
- Tuesday morning – Java Engine reboots
- Tuesday afternoon – MI network maintenance
- No network communications to MI/RR, NuMI, MB
- General Controls Maintenance & Support
Alignment
On schedule
FESS
ELECTRICAL & HIGH VOLTAGE
- MSS – Buss duct cleaning WIP – No findings
- Minor re-lamping work [call ins/scheduled]
- SY Enclosure B – increased thermal heater size
- Tev Ring pond pit PM/inspections WIP
- Booster sump pump replacement TBS
- Tev Ring tunnel sump pump E-3 to determine fault
MECHANICAL
- CDF – Worthington LCW pumps seal leaks {worn out] – 1 to be rebuilt & 1 new on order
- MI - basket strainers cleaned
- MI – sump pumps PM completed[MI 8, 30, 60]
- SY Enclosures – sump pumps PM completed [E & F1 completed]
- TEV Pond pump intake screens – major Zebra Mussel infestations – Basket strainers cleaning next week
HVAC
- Linac Pre accelerator – Ed Pac [L074] unit completely inspected – Freon leak repaired – need to repair humidity control
- Tev ring – Marvairs WIP
- MI – Marveairs completed last week – will re-check during the 4 th week
- MI – dehumidifiers/tunnel to start next week
- MI 31 – Chiller PM completed[rad area]. Trane unit PM WIP – controller/economizer repair[need more discussion on operational requirements]
- MI 12 – Temperature discharge within specs for the 2 Marveairs
- MI 65 – Multi stack cooling water filter/intake cleaning/flushing WIP[dirty]
CUB
- Chillers/Process - #3[Linac 55 LCW] & #4 – cleaning & inspection WIP – Epoxy coatings scheduled next week
- Booster Heat Exchanger HE-2 cleaning WIP – HE-1 on line
- PBar Heat Exchanger HE-9 cleaning WIP – HE-8 [tube & shell] on line
- Booster LCW #2 pump motor burned up – replacement WIP
- DDC/METASYS server replacement program pre-check WIP[scheduled for CUB shutdown 7/31 –
8/1
OPERATIONS ENGINEERING
- Booster Gallery West – Dual Temp piping repairs WIP/Fri completion
- Booster Gallery East – Dual Temp repairs to start Mon 7/26.
- Booster Sump Pump piping replacement – Directional bore WIP @ east booster parking lot
- ICW leak @ AP O/MI – WIP – replaced ~20 ft section under two 480 V duct banks.
- MI 10 – 40/10 HP pond pump 480V electrical feeder replacement to start Mon 7/26
OTHER
- SAT 7/24 WORK - X Gallery fan/pump room – chilled water piping repair
- P-3 hot water pump electrical feeder replacement during LINAC power SD
Safety
Continue using the Take Five principles before, during, and after work activities to:
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