TGI_3819P31001T05_c0v0_redacted.pdf
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This document is a WebAIM Short Form Task Group Instruction (TGI) for a Low Pressure Air System tightness and operational test for the USS Blue Ridge (LCC-19), dated 03-MAR-2025. The task instruction is specific to System 55121 and Project 19P, with a Task Group Instruction number of 55121-3-300KTR. The document details work requirements for contractor, quality assurance (QA), and ship's force personnel to visually inspect mechanical, welded, and brazed joints of the Low Pressure Air System at Normal Operating Pressure (NOP) and Normal Operating Temperature (NOT), ensuring no external leakage for a minimum of 30 minutes. The instruction references two key documents: an Expanded Ship Work Breakdown Structure and an Engineering Operational Sequencing System (EOSS) for guidance and system scope definition.
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Text version
FOUO
WebAIM Short Form TASK GROUP INSTRUCTION
03-MAR-2025 0950
20.14.15.2.9020 (September 2024) ICN: 3819P31001 KeyOp: T05
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: 55121-3-300KTR TT T 4 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
LCC-19 USS BLUE RIDGE 19P 55121
CU PHASE TITLE: LOW PRESSURE AIR (T & OP), S/A 79243K - KTR
WORK CERTIFICATION SIGNATURES: DLs
COMPLETION OF WORK REVIEW: BADGE NO: SHOP/CODE: PHONE: DATE:
RECORDS REVIEW: BADGE NO: SHOP/CODE: PHONE: DATE:
FOUO Pg 1 of 3
EE01L106
PREPARING ACTIVITY: STATUS: APP WORKING STATUS:
PREPARED BY: CODE: PHONE: DATE:
OHTA, JASON Y. 246.2 3152435901 20-FEB-2025
APPROVED BY: CODE: PHONE: DATE:
OHTA, JASON Y. 246.2 3152435901 26-FEB-2025
CONCURRED BY: CODE: PHONE: DATE:
REASON FOR WORK/NEED FOR CHANGE:
JCN:
EE01-L106
SPECIAL REQUIREMENTS:
CU PHASE DESCRIPTION:
ZONE MANAGER: ZONE: COMPARTMENT: LEVEL: FRAME: SIDE:
YAGINUMA, TAKEHIDE U
JOB SUMMARY ID: TOT MAN HR.: TOT DUR: TOT JML COST: PLANNING ACCEPTANCE:
310G0001
Tightness & Operational Test for Low Pressure Air System - KTR.
TGI Short Form
03-MAR-2025 0950
20.14.15.2.9020 (September 2024) (Continued) ICN: 3819P31001 KeyOp: T05
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: 55121-3-300KTR TT T 4 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
LCC-19 USS BLUE RIDGE 19P 55121
CU PHASE TITLE: LOW PRESSURE AIR (T & OP), S/A 79243K - KTR
FOUO Pg 2 of 3
Ref.
No.
Document/Drawing Number DOCUMENT/DRAWING TITLE REV
CHG
NO.
CPY
REQ PARAGRAPH SECT PG CHPT
1 TM S9040-AA-IDX-
EXPANDED SHIP WORK
BREAKDOWN STRUCTURE
FOR ALL SHIPS AND
SHIP/COMBAT SYSTEMS
LAT N
2 TM EOSS ENGINEERING
OPERATIONAL SEQUENCING
SYSTEM (EOSS)
LAT N
TASK NAME / TASK DESCRIPTION
SHOP/
TSD TS
SF
WC
CREW
# MHRS RWRK
(V) Contractor work:
Visually inspect all mechanical, welded &/or brazed joints of the LOW PRESSURE AIR SYS at NOP and NOT for no external leakage for 30 minutes plus sufficient length of time. No permanent deformation of brazed/welded joints allowed.
Actual Duration:____
Sign:_____________
Print:_____________
Date:____________ continued
22/KE PC N
Note: The scope of the LOW PRESSURE AIR SYS is as described in reference 1, ESWBS.
22/KE PC N
(G) QA work:
Visually inspect all mechanical, welded &/or brazed joints of the LOW PRESSURE AIR SYS at NOP and NOT for no external leakage for 30 minutes plus sufficient length of time.
Sign:_______________
Print:_______________
Date:_______________
33/G1 QA N
(S) S/F work:
Line up system in accordance with reference 2, EOSS. Visually inspect all mechanical, welded &/or brazed joints of the LOW PRESSURE AIR SYS at NOP and NOT for no external leakage for 30 minutes plus sufficient length of time.
Sign:_______________
Print:_______________
Date:_______________
/ EXSA N
MATERIAL REFERENCES
03-MAR-2025 0950
20.14.15.2.9020 (September 2024) (Continued) ICN: 3819P31001 KeyOp: T05
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: 55121-3-300KTR TT T 4 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
LCC-19 USS BLUE RIDGE 19P 55121
CU PHASE TITLE: LOW PRESSURE AIR (T & OP), S/A 79243K - KTR
FOUO Pg 3 of 3
MATERIAL LIST
ITEM
NO.
PC
NO.
REF
NO.
M
C DESCRIPTION
STOCK
NUMBER
GENERIC
MATL
TYPE LVL QA
HAZ
MAT
DOC
NO.
QTY
REQD/
UNIT
QTY
USED/
UNIT
REF
NO.
DOCUMENT/DRAWING NUMBER DOCUMENT/DRAWING TITLE
REV
ICN: 3819P31001 KEY OP: T05
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