TGI_38K5212389A01_c0v0.pdf
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- N6264925RA025
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This is a Task Group Instruction (TGI) detailing repair work required on the USS RALPH JOHNSON (DDG-114) for a vertical stiffener repair in escape trunk compartment 3-97-1-T. The work involves removing and replacing a deformed vertical stiffener on the longitudinal bulkhead at frame 100, located 4 feet off the ship's centerline on the starboard side.
The repair requires fabrication and installation of a new 4x4x5 lb T-shaped vertical stiffener made of high-tensile steel (HTS) meeting MIL-S-22698 Grade AH-36 specifications. The work period is scheduled for July 14, 2025 through December 11, 2025, with potential asbestos hazards noted in the work area. The TGI includes detailed engineering drawings showing the installation location and specifications, with the work to be performed at Frame 100 in compartment 3-97-1-T. Government-furnished material and services will be provided, including crane services, utilities, safety inspections, and quality assurance oversight through SRF-JRMC (Ship Repair Facility-Japan Regional Maintenance Center).
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Text version
FOUO
WebAIM Short Form TASK GROUP INSTRUCTION
09-DEC-2024 1409
20.14.15.2.9020 (September 2024) ICN: 38K5212389 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: TRUNK 3-97-1-T MS A 0 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
DDG-114 USS RALPH JOHNSON K52 12321
CU PHASE TITLE: F/O - REPAIR VERTICAL STIFFENER ON LONGITUDINAL BULKHEAD FR 100 IN 3-97-1-T
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 4
ES01NA7Q
PREPARING ACTIVITY: STATUS: APP WORKING STATUS:
PREPARED BY: CODE: PHONE: DATE:
KANEHIRA, MISAKI 231A 3152439883 22-NOV-2024
APPROVED BY: CODE: PHONE: DATE:
NAKAMURA, YUUJI 231A 3152436041 22-NOV-2024
CONCURRED BY: CODE: PHONE: DATE:
REASON FOR WORK/NEED FOR CHANGE:
JCN:
ES01-NA7Q
SPECIAL REQUIREMENTS:
CU PHASE DESCRIPTION:
ZONE MANAGER: ZONE: COMPARTMENT: LEVEL: FRAME: SIDE:
YAGINUMA, TAKEHIDE 3-97-1-T 3 U
JOB SUMMARY ID: TOT MAN HR.: TOT DUR: TOT JML COST: PLANNING ACCEPTANCE:
123A2189
1. SCOPE/PURPOSE:
1.1 Title: Vertical Stiffener on Longitudinal Bulkhead Frame 100 in 3-97-1-T; repair
1.2 Location of Work:
1.2.1 Escape Trunk (3-97-1-T)
1.2.2 Repair 2 (1-94-1-A)
1.3 Identification:
1.3.1 Quantity (One Lot), Vertical Stiffener on Longitudinal Bulkhead 4 Feet 0 Inch Off Ship’s Center Line, Frame 100 in 3-97-1- T, Starboard
Material: HTS, MIL-S-22698 GR AH-36, 4 Inches x 4 Inches x 5 LBs T Remarks: See Engrg Inst Enclosure-01 for details.
TGI Short Form
09-DEC-2024 1409
20.14.15.2.9020 (September 2024) (Continued) ICN: 38K5212389 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: TRUNK 3-97-1-T MS A 0 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
DDG-114 USS RALPH JOHNSON K52 12321
CU PHASE TITLE: F/O - REPAIR VERTICAL STIFFENER ON LONGITUDINAL BULKHEAD FR 100 IN 3-97-1-T
FOUO Pg 2 of 4
CU PHASE DESCRIPTION (Cont.)
1.4 Security Classification: None.
1.5 Initial Condition:
1.5.1 Potential Asbestos Hazard.
1.6 Contractor work start date: 14 JUL 2025
1.7 Contractor work completion date: 11 DEC 2025
2. PROCEDURE:
2.1 Remove existing, fabricate and install new each vertical stiffener listed in 1.3.1 in accordance with Enclosure-01.
2.1.1 Accomplish the requirements of 009-12 of Ref. No. One, including Table 2, Column(s) A, Lines One through 7.
2.2 Accomplish the requirements of 009-32 of Ref. No. One for each new and disturbed surface.
2.3 Notes:
2.3.1 Planner: Code 231A K. Kanehira, 243-9883
Planner: Code 233 H. Sasano, 080-9350-1453 Engineer: Code 250 Y. Seimiya, 243-0091
2.3.2 This TGI clears DFS DDG-114-1012-2024 in its entirety.
2.3.3 This TGI is in response to CCIMS report No. CCIMS-G1N6-DDG114-061-24 from TGI No. 38K5A11005-I02.
2.3.4 JCN ES01-NA7Q is related to this TGI.
2.4 Government Furnished Material (GFM):
2.4.1 SRF-JRMC will provide GFM listed in the Material List.
2.5 SRF-JRMC will provide the following service work: (TGI No. 38K5212389S02)
2.5.1 [C740] Crane and crane rigging service.
2.5.2 [X99E] Utility service, electrical.
2.5.3 [X99M] Utility service, including low pressure air supply, water supply, and steam supply.
2.5.4 [C106.1] Safety inspection for SRF-JRMC employees.
2.5.5 [C106.2] Gas free inspection for SRF-JRMC employees.
2.5.6 [C133] QA inspection for (G) symbol(s).
09-DEC-2024 1409
20.14.15.2.9020 (September 2024) (Continued) ICN: 38K5212389 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: TRUNK 3-97-1-T MS A 0 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
DDG-114 USS RALPH JOHNSON K52 12321
CU PHASE TITLE: F/O - REPAIR VERTICAL STIFFENER ON LONGITUDINAL BULKHEAD FR 100 IN 3-97-1-T
FOUO Pg 3 of 4
CU PHASE DESCRIPTION (Cont.)
09-DEC-2024 1409
20.14.15.2.9020 (September 2024) (Continued) ICN: 38K5212389 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: TRUNK 3-97-1-T MS A 0 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
DDG-114 USS RALPH JOHNSON K52 12321
CU PHASE TITLE: F/O - REPAIR VERTICAL STIFFENER ON LONGITUDINAL BULKHEAD FR 100 IN 3-97-1-T
FOUO Pg 4 of 4
OTHER SPECIAL REQUIREMENTS:
HOT WORK IN MAGAZINE AND ADJACENT SPACES IAW S6740-AA-SAF-010 AND NAVSEA OP 4
Ref.
No.
Document/Drawing Number DOCUMENT/DRAWING TITLE REV
CHG
NO.
CPY
REQ PARAGRAPH SECT PG CHPT
1 NSI FY25 Standard Items - 1 N 2 LI FY25 Local Standard Items - ORG N
TASK NAME / TASK DESCRIPTION
SHOP/
TSD TS
SF
WC
CREW
# MHRS RWRK
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
001 M BEAM, STRUCTURAL, BEAM,
STRUCTURAL, W-T SHAPE,
WT4 X 5LB, 3.945"DEPTH X
3.940"FLG WIDTH, 0.170"WEB
THK, 0.205"FLG THK, STEEL,
MIL-S-22698 GRADE AH-36 CL-
U.
ORDERED FOR KTR
ORIG; C231A. M. KANEHIRA
PHONE 243-9883
9B 9520 LL9007471 NA 4 N 43307560 2/FT
ATTACHMENT LIST
TITLE FILE NAME SAVED DATE
ENCLOSURE-01 38K5212389A01-Engrg Inst.pdf 19-NOV-2024 0000
MATERIAL REFERENCES
REF
NO.
DOCUMENT/DRAWING NUMBER DOCUMENT/DRAWING TITLE
REV
ICN: 38K5212389 KEY OP: A01
38K5212389A01 ENCLOSURE-01
38K5212389A01 ENCLOSURE-01
38K5212389A01
EN
C
LO
SU
R
E-01
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