Logbooks Lab Maintenance Evaporator_1 Evaporator_2 Laser cutter Target Production Test-Stand RH-ISAC RH-Cyclotron RH-Meson Hall RH-Beamlines RH-ARIEL
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New entries since:Wed Dec 31 16:00:00 1969
ID Date Author Categorydown Type Module Target/Number Subject Text Attachments
  1444   Monday, March 06, 2017, 08:01 David WangCoolingRepair  HALCW resin tank replacement.HALCW resin tank has been replaced. The
old tank is stored in middle-west silo now.
The field on old resin tank bottom is about
 11x 
  2038   Thursday, January 02, 2020, 09:55 David WangCoolingStandard Operation  I turned on HALC water pump MP2.HALCW MP2 is switched onnow. There is a
small amount of air trapped in system. The
pump works fine.  Water level and system
  
  2041   Tuesday, January 07, 2020, 08:02 David WangCoolingStandard Operation  Switch on HALCW MP2HALCW MP2 is switched on this morning after
yesterday cooling tower maintenance. LALCW
P5 and P6 pumps are started by isac operator 
  
  2052   Monday, January 27, 2020, 10:40 David WangCoolingMaintenance  ITE/ITW supply water presuure on dump circuits. With both stations in operation,ITE dump
supply gauge reading is 27 psi. ITW is 20
Psi.  I adjusted ITW dump pressure to
  
  2092   Wednesday, May 20, 2020, 13:08 David WangCoolingStandard Operation  Start of HALCW sysytemHigh  active water pump is started.
The system resistance is recovering now.
Everything works fine so far. Check ITW and
  
  2183   Wednesday, January 27, 2021, 14:30 David WangCoolingDevelopment  High active water system purgingHigh active water are purged to holding
tank at B2  level. There should be around
48 gallons are purged out of system. No purging
  
  2207   Monday, April 12, 2021, 13:45 Anders MjosCoolingMaintenance  New T installed for instrumentation loop on HALCW systemAdrian and co installed a new T to be able
to add an instrument loop for O2 and pH monitoring
on the low conductivity water systtem (photo).
 MicrosoftTeams-image_(9).png 
  2211   Wednesday, April 21, 2021, 11:18 David WangCoolingMaintenance  Refilling high active wtaer system and starting HA water pumps. High active water system is refilled. Air
are drained out of  system before pump
to be started. Following sequence are used
  
  2305   Tuesday, February 15, 2022, 11:18 Frank SongCoolingRepair  Replace 2 leak valves on high active water system The valves #V10 & V11 beside
high active water pumps were replaced in
Target Hall, pics attached.
 v10_v11.jpgv10.jpgv11.jpg 
  2306   Wednesday, February 16, 2022, 15:19 Frank SongCoolingRepair  high active cooling water valves repaired/replaced A 3/8 inch drain valve on return
cooling line was replaced in ITE. In the
meantime two 1/2 inch valves labeled FEBIAD
 RETURN_drain_valve_in_ITE.jpgFEBIAD_COIL_in_ITW.jpgENTRANCE_COLLIMATOR_RETURN_in_ITW.jpgMAIN_S_and_R_VALVES_in_ITW.jpg 
  2419   Wednesday, March 01, 2023, 09:27 David WangCoolingMaintenance  Two filters on HALCW resin circuit have been replaced. Two filters on HALCW resin circuit have
been replaced. O-ring 235# were changed on
both filter cartridge houses.  25micron 
  
  2420   Wednesday, March 01, 2023, 09:34 David WangCoolingMaintenance  Visual inspection of HALCW for possible small water leak or drip. I visually inspected HALCW system including
water station section, both target pits,
and de-ionizer system.  No small leak
  
  2424   Wednesday, March 08, 2023, 06:32 David WangCoolingMaintenance  HALCW flow sensors replacement. HALCW flow sensors replacement job is done.
All ITE/ITW(except ITE HS) return line water
flow sensors including paddle wheels and
  
  2425   Wednesday, March 08, 2023, 09:19 David WangCoolingStandard Operation  HALCW ITC:MP1/MP2 motor phase current measurement. HALCW ITC:MP1/MP2 motor phase current measurement
is done by Joel from electrician group. MP1:17.1A/17.2A/16.7A. 
MP2: 17.9A/17.9A/17.3A.   19.5A
  
  2426   Wednesday, March 08, 2023, 13:57 David WangCoolingStandard Operation  HALCW ITC:MP1/MP2 pump and motor temerature measurementsHALCW ITC:MP1/MP2 pump and motor temperature
measurements result:
MP1: pump discharging  port:
  
  2433   Monday, April 24, 2023, 10:18 David WangCoolingMaintenance  HALCW flowmeter transmotters inspetion and calibration. ITW, ITE, ITW +ITE total , and low active
cooling water return flow meter transmitters
are inspected and calibrated.  Result:
  
  2495   Friday, October 13, 2023, 11:46 David WangCoolingMaintenance  HALCW system O2 sensor service and calibration.HALCW system O2 sensor service and calibration
were done in Sep 26th. electrolyte and membrane
on rose mount sensor 499ADO were refilled
  
  2547   Friday, February 16, 2024, 11:48 David WangCoolingMaintenance  high active water transferr to holding tank100 liters of high active water from HALCW
system( mostly from s-tank and pipe lines
closing to pumps) are transferred to holding
  
  2559   Thursday, April 04, 2024, 13:10 David WangCoolingMaintenance  high active water refurbishment, reinstallation, and test operation. both high active pumps ITC:MP1 and MP2
are refurbished by RH group Maico and Peter.
Pumps have been installed back to system
  
  2560   Monday, April 08, 2024, 09:29 David WangCoolingStandard Operation  HALCW system general inspection. water are supplied to both ITE and ITW.
I did a general inspection on HALCW system.
Two small leaks on 2" shut off valves
  
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