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Revision 53 as of 2019-12-10 12:48:37
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Revision 102 as of 2020-01-05 17:30:32
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Deletions are marked like this. Additions are marked like this.
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 * '''Noise investigation about FFUs in the corner stations by an operator''' === Noise investigation about FFUs in the corner stations by an operator ===

  0. Workers
 * Measurement 2-4
  * Team1 : Furuta, Kimura (Xend)
  * Team2 : Hayakawa, Takahashi (Yend)
  * Team3 : Tamori, Mori(Xfront)
  * Team4 : Yoshimura, TTanaka(Yfront)
  * Team5 : Miyoki, Yokozawa, Washimi, (Sensitivity Taking, Instruction to All)
  * Team6 : VIS people (temperature drift, suspension condition, in the control room)

 * Measurement 5 (Standby at)
  * Washimi : (IFI)
  * Tamori : (PRM)
  * TTanaka : (MCE)
  * Kimura : (PR3)
  * Yoshimura :(BS, PR2)
  * Hayakawa : (SR2, SR3)
  * Takahashi : (SRM OMC)
  * Mori: (Pre-Room FFU switch for PSL)
  * Yokozawa : (Pre-Room FFU switch near PR3, BS)
  * Miyoki: SR cooler
  * Furuta : BS cooler
  * non : IYC cooler

 * Measurement 6
  * --( Team1 : Furuta, Kimura (Xend) )-- Only center area
  * --( Team2 : Hayakawa, Takahashi (Yend) )-- Only center area
  * Team3,4 : Mori(BS area), TTanaka(Mori support), Itoh, Kimura(Non clean area) (CS)
  * Team5 : Miyoki, Yokozawa, Washimi (k1ctr9)
  * Team6 : VIS people (temperature drift, suspension condition, in the control room)


[[attachment:ProcessChart.pdf|工程表(日本語)]]

 * Zoom1 connection or PHSで坑内一斉放送?
 * 検出きのそばで大きな声を掛け合うのは得策ではない。
Line 5: Line 42:
   *Make marks on FFU switches that are not turned off in MCE, IFI, PRM, PR3, PR2, BS, SR2, SR3, SRM, OMC with "Pink Tape".<<BR>> (Operated FFU / Total FFU) table list is below.<<BR>>130 FFUs will be turned off. This corresponds to 26kW heating power.<<BR>>26kW corresponds to about two water cooler cooling power (2 x 14kW). We expect balance.    *Make marks on FFU switches that are not turned off in MCE, IFI, PRM, PR3, PR2, BS, SR2, SR3, SRM, OMC with "GreenTape".<<BR>> (Operated FFU / Total FFU) table list is below.<<BR>>130 FFUs will be turned off. This corresponds to 26kW heating power.<<BR>>26kW corresponds to about two water cooler cooling power (2 x 14kW). We expect balance.
Line 8: Line 45:
 || Present FFU(151)/Total FFU(180) ||1/16 || 2/16||12/12 || 12/12 || 16/16 ||20/20 ||20/20||20/20 ||16/16 ||16/16 ||16/16 || several FFUs are disorder ||
 || Remained FFU(35)/Total FFU(180) ||1/16 || 2/16||2/12 ||2/12 ||4/16 ||4/20 ||4/20||4/20 ||4/16 ||4/16 ||4/16 ||
 || Present (151)/Total(180) ||1/16 || 2/16||12/12 || 12/12 || 16/16 ||20/20 ||20/20||20/20 ||16/16 ||16/16 ||16/16 || several FFUs are disorder ||
 || Remained in Test(35)/Total(180) ||1/16 || 2/16||2/12 ||2/12 ||4/16 ||4/20 ||4/20||4/20 ||4/16 ||4/16 ||4/16 ||
Line 12: Line 49:
 || IEXYV || IEXYA || IEXYC(1F) || IEXYC(2F) ||
 || Present(2)/Total(10) || Present(2)/Total(10) || Present(2)/Total(10) || Present(4)/Total(10) ||
 || IEXYV || IEXYA || IEXYC(1F) || IEXYC(2F) || EXYT ||
 || Present(2)/Total(10) || Present(2)/Total(10) || Present(2)/Total(10+1) || Present(4)/Total(14) || Present(3)/Total(3) || <--- KOACH are not included ||
Line 16: Line 53:
   1.#2 Method(1)
    * Take a sensitivity by an operator.
    * 4 people stand by (MCE, IFI, PRM), (PR3, PR2, BS), (SR2, SR3), (SRM OMC) FFU switchs.
    * Turn off almost FFUs at the same time by 4 people, except for pink one.
    * Take the sensitivity again before alignment will change.
    * Check the difference btw FFU operation and almost no FFU operation. <<BR>>
 || Corner Station (1F) ||
 || 180+2x24+ 2x10 + 10(Pre-Rooms) = 258 (~ 51.6kW )||
<<BR>>
Line 23: Line 57:
   * Method(2): If the alignment change is too huge for us to take a sensitivity.
    * We turn off IYC-C and BS-C coolers at the same time when we turn off 130 FFUs.
    * Take sensitivity uegently if possible.
    * Check the temp changes in the corner station.
    * If the temp seems to go down rapidly, we enlarge heating power. If the temp gose up rapidly, we turned on IYC-C again and heat up by heaters.
    * we expect do some try and error for several hours if we encounter serious temp change.
    * If alignment comes back, take sensitivity.
    * If it will take too much time to recover FPMI, we give up this trial.
  


   1.#2 '''IEXYV'''
    * Take a sensitivity by an operator (one of PEM member). (Miyoki, Yokozawa, Washimi)
    * Each 2 people stand by IEXYV FFU switchs. (Team1-> EXV, Team2 -> EYV, Team3->IXV ,Team4->IYV)
    * Turn off remained two FFUs at the same time. (Yokozawa -> Team1, Washimi -> team2, Miyoki -> Team3,4)
    * Take the sensitivity again before alignment will change. (Miyoki, Yokozawa, Washimi)
    * Turn on two FFUs that used to be turned on. (Yokozawa -> Team1, Washimi -> team2, Miyoki -> Team3,4)
    * If you see any change in sensitivity, we recheck one by one for IEXYV.

   * '''IEXYC(1/2F) and Transmission Area'''
    * Take a sensitivity by an operator. (Miyoki, Yokozawa, Washimi)
    * Each 2 people stand by IEXYC FFU switchs. 10 are near the KOACH, 14 near the Transmission area. (Team1-> EXC, Team2 -> EYC, Team3->IXC ,Team4->IYC)
    * Turn off remained FFUs at the same time. (Yokozawa -> Team1, Washimi -> team2, Miyoki -> Team3,4)
    * Take the sensitivity again before alignment will change. (Miyoki, Yokozawa, Washimi)
    * Turn on FFUs that used to be turned on. (Yokozawa -> Team1, Washimi -> team2, Miyoki -> Team3,4)
    * If you see any change in sensitivity, we recheck one by one for IEXYC-1F/2F.

   * '''IEXYA'''
    * Take a sensitivity by an operator. (Miyoki, Yokozawa, Washimi)
    * 2 people stand by IEXYA FFU switchs. (Team1-> EXA, Team2 -> EYA, Team3->IXA ,Team4->IYA)
    * Turn off remained two FFUs at the same time. (Yokozawa -> Team1, Washimi -> team2, Miyoki -> Team3,4)
    * Take the sensitivity again before alignment will change. (Miyoki, Yokozawa, Washimi)
    * Turn on two FFUs that used to be turned on. (Yokozawa -> Team1, Washimi -> team2, Miyoki -> Team3,4)
    * If you see any change in sensitivity, we recheck one by one for IEXYA.

   * '''For Corner station 1F'''
    1.#2 Method(1)
     * Take a sensitivity by an operator. (Miyoki, Yokozawa, Washimi)
     * 11 people stand by (MCE, IFI, PRM), (PR3, PR2, BS), (SR2, SR3), (SRM OMC), and Pre-Room FFU switchs.
     * Turn off almost FFUs at the same time by 11 people, except for Green one.
     * Take the sensitivity again before alignment will change. (Miyoki, Yokozawa, Washimi)
     * Check the difference btw FFU operation and almost no FFU operation. <<BR>>

    * Method(2): If the alignment change is too huge for us to take a sensitivity.
     * We turn off IYC-C and BS-C coolers at the same time when we turn off 130 FFUs.
     * Take sensitivity urgently if possible. (Miyoki, Yokozawa, Washimi)
     * Check the temp changes in the corner station.
     * If the temp seems to go down rapidly, we enlarge heating power. If the temp gose up rapidly, we turned on IYC-C again and heat up by heaters.
     * we expect do some try and error for several hours if we encounter serious temp change.
     * If alignment comes back, take sensitivity. (Miyoki, Yokozawa, Washimi)
     * If it will take too much time to recover FPMI, we give up this trial.

   * '''Vacuum pump stopping'''
    * We want to stop vacuum pumps one by one
    * FFU would be turned on
    * If temperature or vacuum pressures drastically changed, the experiments stopped
    * two people for Xend, two people for Yend, Four people CS
    * Stop the Vacuum pump one by one with instruction of Miyoki-san or Saito-san
    * Maximum experiment time is two hours or 5p.m.
    * Manual : [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11150|JGW-E1911150]]
    * Assignment : [[attachment:Pump.pmg]]

=== Other Items ===

  * Results : [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11165]]

Plans for trial just after ER

Noise investigation about FFUs in the corner stations by an operator

  1. Workers
  • Measurement 2-4
    • Team1 : Furuta, Kimura (Xend)
    • Team2 : Hayakawa, Takahashi (Yend)
    • Team3 : Tamori, Mori(Xfront)
    • Team4 : Yoshimura, TTanaka(Yfront)
    • Team5 : Miyoki, Yokozawa, Washimi, (Sensitivity Taking, Instruction to All)
    • Team6 : VIS people (temperature drift, suspension condition, in the control room)
  • Measurement 5 (Standby at)
    • Washimi : (IFI)
    • Tamori : (PRM)
    • TTanaka : (MCE)
    • Kimura : (PR3)
    • Yoshimura :(BS, PR2)
    • Hayakawa : (SR2, SR3)
    • Takahashi : (SRM OMC)
    • Mori: (Pre-Room FFU switch for PSL)
    • Yokozawa : (Pre-Room FFU switch near PR3, BS)
    • Miyoki: SR cooler
    • Furuta : BS cooler
    • non : IYC cooler
  • Measurement 6
    • Team1 : Furuta, Kimura (Xend) Only center area

    • Team2 : Hayakawa, Takahashi (Yend) Only center area

    • Team3,4 : Mori(BS area), TTanaka(Mori support), Itoh, Kimura(Non clean area) (CS)
    • Team5 : Miyoki, Yokozawa, Washimi (k1ctr9)
    • Team6 : VIS people (temperature drift, suspension condition, in the control room)

工程表(日本語)

  • Zoom1 connection or PHSで坑内一斉放送?
  • 検出きのそばで大きな声を掛け合うのは得策ではない。
    1. Preparation
      • Make marks on FFU switches that are not turned off in MCE, IFI, PRM, PR3, PR2, BS, SR2, SR3, SRM, OMC with "GreenTape".
        (Operated FFU / Total FFU) table list is below.
        130 FFUs will be turned off. This corresponds to 26kW heating power.
        26kW corresponds to about two water cooler cooling power (2 x 14kW). We expect balance.

    Area Name

    MCF

    MCE

    IFI

    PRM

    PR3

    PR2

    BS

    SR2

    SR3

    SRM

    OMC

    Present (151)/Total(180)

    1/16

    2/16

    12/12

    12/12

    16/16

    20/20

    20/20

    20/20

    16/16

    16/16

    16/16

    several FFUs are disorder

    Remained in Test(35)/Total(180)

    1/16

    2/16

    2/12

    2/12

    4/16

    4/20

    4/20

    4/20

    4/16

    4/16

    4/16


  • IEXYV

    IEXYA

    IEXYC(1F)

    IEXYC(2F)

    EXYT

    Present(2)/Total(10)

    Present(2)/Total(10)

    Present(2)/Total(10+1)

    Present(4)/Total(14)

    Present(3)/Total(3)

    <--- KOACH are not included


  • Corner Station (1F)

    180+2x24+ 2x10 + 10(Pre-Rooms) = 258 (~ 51.6kW )


  1. IEXYV

    • Take a sensitivity by an operator (one of PEM member). (Miyoki, Yokozawa, Washimi)
    • Each 2 people stand by IEXYV FFU switchs. (Team1-> EXV, Team2 -> EYV, Team3->IXV ,Team4->IYV)

    • Turn off remained two FFUs at the same time. (Yokozawa -> Team1, Washimi -> team2, Miyoki -> Team3,4)

    • Take the sensitivity again before alignment will change. (Miyoki, Yokozawa, Washimi)
    • Turn on two FFUs that used to be turned on. (Yokozawa -> Team1, Washimi -> team2, Miyoki -> Team3,4)

    • If you see any change in sensitivity, we recheck one by one for IEXYV.
  2. IEXYC(1/2F) and Transmission Area

    • Take a sensitivity by an operator. (Miyoki, Yokozawa, Washimi)
    • Each 2 people stand by IEXYC FFU switchs. 10 are near the KOACH, 14 near the Transmission area. (Team1-> EXC, Team2 -> EYC, Team3->IXC ,Team4->IYC)

    • Turn off remained FFUs at the same time. (Yokozawa -> Team1, Washimi -> team2, Miyoki -> Team3,4)

    • Take the sensitivity again before alignment will change. (Miyoki, Yokozawa, Washimi)
    • Turn on FFUs that used to be turned on. (Yokozawa -> Team1, Washimi -> team2, Miyoki -> Team3,4)

    • If you see any change in sensitivity, we recheck one by one for IEXYC-1F/2F.
  3. IEXYA

    • Take a sensitivity by an operator. (Miyoki, Yokozawa, Washimi)
    • 2 people stand by IEXYA FFU switchs. (Team1-> EXA, Team2 -> EYA, Team3->IXA ,Team4->IYA)

    • Turn off remained two FFUs at the same time. (Yokozawa -> Team1, Washimi -> team2, Miyoki -> Team3,4)

    • Take the sensitivity again before alignment will change. (Miyoki, Yokozawa, Washimi)
    • Turn on two FFUs that used to be turned on. (Yokozawa -> Team1, Washimi -> team2, Miyoki -> Team3,4)

    • If you see any change in sensitivity, we recheck one by one for IEXYA.
  4. For Corner station 1F

    1. Method(1)
      • Take a sensitivity by an operator. (Miyoki, Yokozawa, Washimi)
      • 11 people stand by (MCE, IFI, PRM), (PR3, PR2, BS), (SR2, SR3), (SRM OMC), and Pre-Room FFU switchs.
      • Turn off almost FFUs at the same time by 11 people, except for Green one.
      • Take the sensitivity again before alignment will change. (Miyoki, Yokozawa, Washimi)
      • Check the difference btw FFU operation and almost no FFU operation.

    2. Method(2): If the alignment change is too huge for us to take a sensitivity.
      • We turn off IYC-C and BS-C coolers at the same time when we turn off 130 FFUs.
      • Take sensitivity urgently if possible. (Miyoki, Yokozawa, Washimi)
      • Check the temp changes in the corner station.
      • If the temp seems to go down rapidly, we enlarge heating power. If the temp gose up rapidly, we turned on IYC-C again and heat up by heaters.
      • we expect do some try and error for several hours if we encounter serious temp change.
      • If alignment comes back, take sensitivity. (Miyoki, Yokozawa, Washimi)
      • If it will take too much time to recover FPMI, we give up this trial.
  5. Vacuum pump stopping

    • We want to stop vacuum pumps one by one
    • FFU would be turned on
    • If temperature or vacuum pressures drastically changed, the experiments stopped
    • two people for Xend, two people for Yend, Four people CS
    • Stop the Vacuum pump one by one with instruction of Miyoki-san or Saito-san
    • Maximum experiment time is two hours or 5p.m.
    • Manual : JGW-E1911150

    • Assignment : Pump.pmg

Other Items

KAGRA/EngineeringRun/ER191217_24/postERtrial (last edited 2020-01-05 17:30:32 by tatsuki.washimi)