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Subtask 38-10-00-010-053
B. Get Access
(1)
Put the ACCESS PLATFORM 2M (6 FT) in position at Zone 171.
(2)
Open the service door 171AL.
**ON A/C 001-049, 051-099, 101-149, 201-299,
Subtask 38-10-00-865-065
C. Make sure that this(these) circuit breaker(s) is(are) closed: -------------------------------------------------------------------------------PANEL SERVICE IDENT. LOCATION -------------------------------------------------------------------------------
2000VU WATER SYSTEM - QUANT IND 1MA B01
R **ON A/C 151-199, 401-499,
Subtask 38-10-00-865-065-A
C. Make sure that this(these) circuit breaker(s) is(are) closed: -------------------------------------------------------------------------------PANEL SERVICE IDENT. LOCATION -------------------------------------------------------------------------------
2001VU WATER SYS 1MA B06
**ON A/C 301-399,
Subtask 38-10-00-865-065-B
C. Make sure that this(these) circuit breaker(s) is(are) closed: -------------------------------------------------------------------------------PANEL SERVICE IDENT. LOCATION -------------------------------------------------------------------------------
2001VU WATER SYS - QUANT IND 1MA B06
**ON A/C ALL
Subtask 38-10-00-613-054
D. Fill the potable water system (Ref. TASK 12-15-38-613-001).
4. Procedure
_________
(Ref. Fig. 201/TASK 38-10-00-991-002) Subtask 38-10-00-614-053
A. Pressurization of the Potable Water System
(1)
Connect the AIR COMPRESSED SOURCE 6.9 BAR (100 PSI) - REGULATED, FILTERED, DRY to the ground air connection at the service panel 2023VU.
(2)
Open the air pressurization valve (1).
(3)
Operate the ground air supply to a pressure of 44 +3 -3 psi (3.03 +0.2 -0.2 bar).
(4)
Close the air pressurization valve (1).
(5)
Shut off the ground air supply.
(6)
Remove the ground air-supply source.
(7)
If necessary depressurize the potable water system (Ref. TASK 38-10-00-614-002).
5. Close-up
________ Subtask 38-10-00-410-055
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the service door 171AL.
(3) Remove the access platform(s). Subtask 38-10-00-862-050
B. De-energize the ground service network
(1) (Ref. TASK 24-42-00-862-001)
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Potable Water Service-Panel Figure 201/TASK 38-10-00-991-002
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TASK 38-10-00-614-002
Depressurization of the Potable Water System
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific 1 ACCESS PLATFORM 2M (6 FT)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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