Versions Compared

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

...

Checklist for Unloading the insert without NH3/ND3

Item #LocationCheck Item
21Control room areaNotify the Target Expert, the run coordinator, and the FNAL RCT team
Is the FNAL RCT team available to access the cave with you? Discuss the work plan with everyone going to make the access.
Pickup NM3 and NM4 keys
32Control room areaClose the Gate Valve (GV), and the GV-Bypass valve
43Control room areaEnsure the target lifter is in the bottom position
54Control room areaPPE:
Cryo-gloves
PPE level 3 (Tyvex suit, gloves, shoe covers)
65Control room areaEnsure that the TO has a walkie-talkie to communicate and stay at in the control room to monitor the system
76Control room areaHave you had a job briefing with everyone in the access team?
87Material handling stationAre the cart, collar+screws, insert-handle, and two nuts for the insert-handle ready?
98Material handling stationDo you have the wrench to disconnect the microwave? and also a 3/16 wrench in case NMR connectors are tight?
There should be a plastic bag (which contains those tools) hanging on the cart.
109On the way to NM3

Turn ON the ODH fans
OPEN the backfill gHe supply line (+ regulator to 4 psi + the valve D) on the cryoplatform
Turn ON the lights in the cave

1110In-cave (before unloading)OPEN the two hand valves on the backfill panel to back fill backfill the fridge. Ensure the pressure gauge is increasing to 0 psig (atmospheric pressure).
Confirm the gHe flow coming out from the 0.5 psig relief valve with your hand.
1211In-cave (before unloading)Do you have a banc-off flange, and an extra seal ready?
1312In-cave (before unloading)Install the insert handle, and connect the hook to the insert's eyebolt.
1413In-cave (before unloading)Disconnect the microwave wave-guide and NMR cable(s) and arrange them properly
1514In-cave (before unloading)Have you checked the 0.5 psig relief valve's venting?
15In-cave (unloading)Unload the insert from the fridge
16In-cave (after unloading)Properly close the fridge using a banc-off flange and a seal
17In-cave (after unloading)Have you closed the two hand valves on the backfill panel?
Have you confirmed whether the blanc-off and its seal closed the fridge properly?
18On the way back from NM3

Have you turned OFF the lights in the cave?
Have you turned OFF the fan?
Have you CLOSED the backfill gHe supply line (+ the valve D) on the cryoplatform?

...

Checklist for Loading the insert without NH3/ND3

Item #LocationCheck Item
21Control room area

Notify the Target Expert, the run coordinator, and the FNAL RCT team
Is the FNAL RCT team available to access the cave with you? Discuss the work plan with everyone going to make the access.
Pickup NM3 and NM4 keys

32Control room areaClose the Gate Valve (GV), and the GV-Bypass valve
43Control room areaIs the fridge level below 20%? If not, bring it down below 20% using the annealing heat
54Control room areaIs Ensure the target lifter is in the bottom position?
65Control room area

PPE:

Do you have cryo

Cryo-gloves

?


Are you ready with

PPE level 3 (Tyvex suit, gloves, shoe covers)

?

76Control room areaIs there a Target Operator available at the counting-house during this process? Make sure Ensure that the TO has a walkie-talkie to communicate .and stay in the control room to monitor the system
78Control room areaHave you had a job briefing with everyone in the access team?
98Material handling stationAre the insert, cart, collar+screws, insert-handle, and two nuts for the insert-handle ready?
109Material handling stationDo you have the wrench to disconnect the microwave? and also a 3/16 wrench in case NMR connectors are tight?
There should be a plastic bag (which contains those tools) hanging on the cart.
1110On the way to NM3

Have you turned Turn ON the ODH fans?
Have you OPENED OPEN the backfill gHe supply line (+ regulator to 4 psi + the valve D) on the cryoplatform?
Have you turned Turn ON the lights in the cave?

1211On the way to NM3Have you installed the insert handle, and connected the hook to the insert's eyebolt?
1312In-cave (before loading)Have you opened

OPEN the two hand valves on the backfill panel

?

to backfill the fridge. Ensure the pressure gauge is increasing to 0 psig (atmospheric pressure).
Confirm the gHe flow coming out from the 0.5 psig relief valve with your hand.

1314In-cave (before loading)Do you have an extra seal ready?
1514In-cave (before loading)Have you checked the 0.5 psig relief valve's venting?
1615In-cave (before loading)Have you properly opened Open the fridge banc-off flange ( and a seal)?take off the seal.
16In-cave (loading)Load the insert
17In-cave (after loading)Have you closed the two hand valves on the backfill panel?
Have you confirmed whether the insert-top with the seal closed the fridge properly?
18On the way back from NM3

Have you turned OFF the lights in the cave?
Have you turned OFF the fan?
Have you CLOSED the backfill gHe supply line (+ the valve D) on the cryoplatform?




Checklist for Unloading the

...

with NH3/ND3

Item #LocationCheck Item
1
1Control room areaDid you read the procedure?2
Control room area
Have you notified
Notify the Target Expert, the run coordinator, and the FNAL RCT team
?

Is the FNAL RCT team available to access the cave with you?

Do you have
Discuss the work plan with everyone going to make the access.
Pickup NM3 and NM4 keys
?

Control room areaFill the LN2 tub, and blue transport dewar, and have some LN2 in the portable handheld dewar at the material handling station
2
3
Control room area
Are
Close the Gate Valve (GV), and the GV-Bypass valve
closed?
4
3Control room area
Is
Ensure the target lifter is in the bottom position
?
5
4Control room areaPPE:
Do you have cryo
Cryo-gloves
?

Are you ready with
PPE level 3 (Tyvex suit, gloves, shoe covers)
?
6
5Control room area
Is there a Target Operator available at the counting-house during this process? Make sure
Ensure that the TO has a walkie-talkie to communicate
.
and stay in the control room to monitor the system
6
7
Control room areaHave you had a job briefing with everyone in the access team?
8
7Material handling station
Are
Ensure the following things are ready
cart
,

collar+screws
,

insert-handle
,
and two nuts
for the

insert-handle
ready?9

blue transport dewar with LN2
8Material handling stationDo you have the wrench to disconnect the microwave? and also a 3/16 wrench in case NMR connectors are tight?
There should be a plastic bag (which contains those tools) hanging on the cart.
10
9On the way to NM3
Have you turned

Turn ON the ODH fans

?


Have you OPENED

OPEN the backfill gHe supply line (+ regulator to 4 psi + the valve D) on the cryoplatform

?


Have you turned

Turn ON the lights in

the cave?

the cave


At NM3

One person should go to the cave while the other person connecting the blue transfer dewar with LN2 to the hook at NM3.
The person in NM3 should wait until the blue transport dewar is taken into the cave by the person in the cave, and then go to the cave.

11


In-cave (before unloading)
Have you opened

Place the blue transport dewar with LN2 on top of the magnet cryostat so you can quickly submerge the target cups as soon as the insert is taken-out.

10In-cave (before unloading)OPEN the two hand valves on the backfill panel
?12
to backfill the fridge. Ensure the pressure gauge is increasing to 0 psig (atmospheric pressure).
Confirm the gHe flow coming out from the 0.5 psig relief valve with your hand.
11In-cave (before unloading)Do you have a banc-off flange, and an extra seal ready?
13
12In-cave (before unloading)
Have you installed
Install the insert handle, and
connected
connect the hook to the insert's eyebolt
?
.
14
13In-cave (before unloading)
Have you disconnected
Disconnect the microwave wave-guide and NMR cable(s) and
arranged
arrange them properly
?
15
14In-cave (before unloading)Have you checked the 0.5 psig relief valve's venting?
15In-cave (unloading)Unload the insert from the fridge and submerge the target cups as soon as the insert is taken-out.
16In-cave (after unloading)
Have you properly closed
Properly close the fridge using a banc-off flange and a seal
?
17In-cave (after unloading)Have you closed the two hand valves on the backfill panel?
Have you confirmed whether the blanc-off and its seal closed the fridge properly?
18On the way back from NM3

Have you turned OFF the lights in the cave?
Have you turned OFF the fan?
Have you CLOSED the backfill gHe supply line (+ the valve D) on the cryoplatform?



Checklist for Loading the insert without NH3/ND3

Item #LocationCheck Item
1Control room area

Notify the Target Expert, the run coordinator, and the FNAL RCT team
Is the FNAL RCT team available to access the cave with you? Discuss the work plan with everyone going to make the access.
Pickup NM3 and NM4 keys

2Control room areaClose the Gate Valve (GV), and the GV-Bypass valve
3Control room areaIs the fridge level below 20%? If not, bring it down below 20% using the annealing heat
4Control room areaEnsure the target lifter is in the bottom position
5Control room area

PPE:
Cryo-gloves
PPE level 3 (Tyvex suit, gloves, shoe covers)

6Control room areaEnsure that the TO has a walkie-talkie to communicate and stay in the control room to monitor the system
7Control room areaHave you had a job briefing with everyone in the access team?
8Material handling stationAre the insert, cart, collar+screws, insert-handle, and two nuts for the insert-handle ready?
9Material handling stationDo you have the wrench to disconnect the microwave? and also a 3/16 wrench in case NMR connectors are tight?
There should be a plastic bag (which contains those tools) hanging on the cart.
10On the way to NM3

Turn ON the ODH fans
OPEN the backfill gHe supply line (+ regulator to 4 psi + the valve D) on the cryoplatform
Turn ON the lights in the cave

11On the way to NM3Have you installed the insert handle, and connected the hook to the insert's eyebolt?
12In-cave (before loading)

OPEN the two hand valves on the backfill panel to backfill the fridge. Ensure the pressure gauge is increasing to 0 psig (atmospheric pressure).
Confirm the gHe flow coming out from the 0.5 psig relief valve with your hand.

13In-cave (before loading)Do you have an extra seal ready?
14In-cave (before loading)Have you checked the 0.5 psig relief valve's venting?
15In-cave (before loading)Open the fridge banc-off flange and take off the seal.
16In-cave (loading)Load the insert
17In-cave (after loading)Have you closed the two hand valves on the backfill panel?
Have you confirmed whether the insert-top with the seal closed the fridge properly?
18On the way back from NM3

Have you turned OFF the lights in the cave?
Have you turned OFF the fan?
Have you CLOSED the backfill gHe supply line (+ the valve D) on the cryoplatform?