TGI_38BC112311_A01_c0v0_Redacted.pdf
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- Attached to
- USS JOHN FINN (DDG-113) FY26 6J1 CNO BUNDLE #1, Chief of Naval Operation Availability Yokosuka Japan
- Solicitation number
- N6264926RA009
About this file
This WebAIM Short Form Task Group Instruction (TGI) details preservation work for the structural surfaces in the clean and dirty sides of the No. One Ship Service Gas Turbine Generator (SSGTG) Intake Trunk on the USS John Finn (DDG-113). The work involves preserving 2,300 square feet of structural surface on the dirty side (from 03 Level to 02 Level, excluding the louver) and 200 square feet on the clean side (from 02 Level to above the silencer). The contractor work is scheduled to start on 4/20/26 and complete by 6/15/26.
The task includes power tool cleaning to bare metal, following specific maintenance procedures and surface preparation specifications. SRF-JRMC will provide supporting services such as crane and rigging, utility services (electrical, water, steam), safety inspections, gas-free inspections, and quality assurance inspections. The critical coated area is identified as CCNY-DDG113-003-26, and no government-furnished materials are required. The work is associated with Job Change Notice (JCN) EM01-L027 and follows gas turbine maintenance procedures with specific requirements for surface preparation and preservation.
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FOUO
WebAIM Short Form TASK GROUP INSTRUCTION
08-AUG-2025 0806
20.15.6.0.9333 (July 2025) ICN: 38BC112311 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: #1GTG INTK C/D SIDES AY A 0 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
DDG-113 USS JOHN FINN BC1
CU PHASE TITLE: F/O - PRESERVE STRUCT SURFACE IN CLEAN AND DIRTY SIDE OF NO. ONE SSGTG INTK TRK
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
EM01L027
PREPARING ACTIVITY: STATUS: APP WORKING STATUS:
PREPARED BY: CODE: PHONE: DATE:
NANBA, RYOUSUKE 231A 3152436141 25-JUL-2025
APPROVED BY: CODE: PHONE: DATE:
NAKAMURA, YUUJI 231A 3152436041 26-JUL-2025
CONCURRED BY: CODE: PHONE: DATE:
REASON FOR WORK/NEED FOR CHANGE:
JCN:
EM01-L027
SPECIAL REQUIREMENTS:
CU PHASE DESCRIPTION:
ZONE MANAGER: ZONE: COMPARTMENT: LEVEL: FRAME: SIDE:
YAGINUMA, TAKEHIDE
JOB SUMMARY ID: TOT MAN HR.: TOT DUR: TOT JML COST: PLANNING ACCEPTANCE:
123A2111
1 SCOPE/PURPOSE:
1.1 Title: Structural Surface in Clean and Dirty Side of No. One SSGTG Intake Trunk; preserve
1.2 Location of Work:
1.2.1 Ship Service Gas Turbine Generator (SSGTG) Intake (03-174-0-Q)
1.2.2 SSGTG Intake/Exhaust Trunk (02-161-2-Q)
1.2.3 SSGTG Intake Trunk (2-161-2-Q)
1.2.4 Auxiliary Machinery Room No. One (4-126-0-E)
1.2.4.1 No. One SSGTG Module
1.3 Identification:
TGI Short Form
08-AUG-2025 0806
20.15.6.0.9333 (July 2025) (Continued) ICN: 38BC112311 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: #1GTG INTK C/D SIDES AY A 0 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
DDG-113 USS JOHN FINN BC1
CU PHASE TITLE: F/O - PRESERVE STRUCT SURFACE IN CLEAN AND DIRTY SIDE OF NO. ONE SSGTG INTK TRK
FOUO Pg 2 of 4
CU PHASE DESCRIPTION (Cont.)
1.3.1 Quantity (2,300 SF in Total), Entire Structural Surface in No. One SSGTG Intake Trunk (Dirty Side) Remarks: The area is from 03 Level to 02 Level except the louver.
1.3.2 Quantity (200 SF in Total), Entire Structural Surface in No. One SSGTG Intake Trunk (Clean Side) Remarks: The area is from 02 Level to above silencer.
1.4 Security Classification:
1.5 Initial Condition:
1.5.1 Critical Coated Area: CCNY-DDG113-003-26 for each area listed in 1.3.1 and 1.3.2
1.6 Contractor work start date:
1.7 Contractor work completion date:
2 PROCEDURE:
2.1 Accomplish the requirements of Ref. No. 3.
(V)(G) “GAS TURBINE MAINTENANCE PROCEDURE”
2.2 Accomplish the requirements of 009-032 of Ref. No. One, including Table 3, Line(s) 18A for each area listed in 1.3.1, and Table 3, Line(s) 20 for each area listed in 1.3.2.
2.2.1 Power tool clean to bare metal for each area listed in 1.3.2. Accomplish each requirement of Surface Preparation Specification SSPC-SP 11 of Ref. No. 4.
2.3 Notes:
2.3.1 Planner: Code 231A R. Nanba, 243-6141
2.3.2 Work Integration Manager (WIM): Code 333 T. Yaginuma, 080-6522-9560
2.3.3 Removal of the silencer, the louver, the moisture separator, and the perforated sheet are not required.
2.3.4 JCN EM01-L027 is related to this TGI.
2.4 Government Furnished Material (GFM): None.
2.5 SRF-JRMC will provide the following service work: (TGI No. 38BC112311S02)
2.5.1 [C740] Crane and crane rigging service.
2.5.2 [X99E] Utility service, electrical.
2.5.3 [X99M] Utility service, including water supply and steam supply.
4/20/26
6/15/26
08-AUG-2025 0806
20.15.6.0.9333 (July 2025) (Continued) ICN: 38BC112311 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: #1GTG INTK C/D SIDES AY A 0 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
DDG-113 USS JOHN FINN BC1
CU PHASE TITLE: F/O - PRESERVE STRUCT SURFACE IN CLEAN AND DIRTY SIDE OF NO. ONE SSGTG INTK TRK
FOUO Pg 3 of 4
CU PHASE DESCRIPTION (Cont.)
Ref.
No.
Document/Drawing Number DOCUMENT/DRAWING TITLE REV
CHG
NO.
CPY
REQ PARAGRAPH SECT PG CHPT
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), and review coating appreciation data.
2.5.7 [C285] Inspection for (G) symbol(s).
08-AUG-2025 0806
20.15.6.0.9333 (July 2025) (Continued) ICN: 38BC112311 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: #1GTG INTK C/D SIDES AY A 0 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
DDG-113 USS JOHN FINN BC1
CU PHASE TITLE: F/O - PRESERVE STRUCT SURFACE IN CLEAN AND DIRTY SIDE OF NO. ONE SSGTG INTK TRK
FOUO Pg 4 of 4
Ref.
No.
Document/Drawing Number DOCUMENT/DRAWING TITLE REV
CHG
NO.
CPY
REQ PARAGRAPH SECT PG CHPT
1 NSI FY-26 NAVSEA Standard Items - 1 N 2 LI FY-26 Local Standard Items - ORG N
3 MP AL14-BC112311-
EM01L027
NR.1 SSGTGINTAKE SYSTEM
FOD PROTECTION FOR
PRESERVATION OF
CLEAN/DIRTY SIDES
- Y ALL
4 TM SYSTEMS &
SPECIFICATIONS
SSPC Painting Manual Volume
- N
TASK NAME / TASK DESCRIPTION
SHOP/
TSD TS
SF
WC
CREW
# MHRS RWRK
2.1 OMCH 22/KE PC
2.2 PNTR , RGRS , QA 22/KE PC
CFM for Preservation Work: all paint and thinner, confined space watch cost, marine chemist cost, compressor with dryer and duel cost, heater, and MISC such as consumable parts and covering material.
22/MQ CS
Process Funding Document 10/CT OM
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
MATERIAL REFERENCES
REF
NO.
DOCUMENT/DRAWING NUMBER DOCUMENT/DRAWING TITLE
REV
ICN: 38BC112311 KEY OP: A01
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