TGI_38K6112317A01_c0v0.pdf
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- Attached to
- USS RAFAEL PERALTA (DDG-115) FY26 SIA BUNDLE #1
- Solicitation number
- N6264926RA036
About this file
This is a WebAIM Short Form Task Group Instruction (TGI) document for installation work on the USS Rafael Peralta (DDG-115) naval vessel. The document, dated 21 January 2026, provides detailed specifications for installing a hook assembly and staple for the louver door of Ship Service Gas Turbine Generator (SSGTG) No. 3 intake system.
The work scope requires fabrication and installation of one hook assembly and one staple on the louver assembly located in the SSGTG Intake Trunk at 01 Level Weather between frames 397 and 398 on the port side. The staple must be fabricated from carbon steel (ASTM A36) 3/8-inch diameter round bar using fillet weld joints per MIL-STD-22D with 3/16-inch fillet weld size. The hook assembly consists of a snap hook (CRES 316 material, 19/32-inch opening, modified per MIL-H-15021 Type I) and detachable link. Contractor work is scheduled from 27 July 2026 through 4 September 2026. The work must comply with Gas Turbine Maintenance Procedure requirements and includes fabrication per referenced engineering drawings (DWG 259-6566713, Sheets 6A, 26B-30, and 38C-12). Government-furnished materials and services—including crane and rigging services, utilities, safety inspections, gas-free inspections, and QA inspections—will be provided by SRF-JRMC under separate service work order (TGI No. 38K6112317S02).
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Text version
FOUO
WebAIM Short Form TASK GROUP INSTRUCTION
21-JAN-2026 1552
20.15.6.0.9333 (July 2025) ICN: 38K6112317 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: LVR DR #3 SSGTG INTK AY A 0 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
DDG-115 USS RAFAEL PERALTA K61
CU PHASE TITLE: F/O - INSTALL HOOK ASSEMBLY FOR LOUVER DOOR OF NO. 3 SSGTG INTAKE
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 5
ES01NA56
PREPARING ACTIVITY: STATUS: APP WORKING STATUS:
PREPARED BY: CODE: PHONE: DATE:
TAKEUCHI, NORIYUKI 231B 3152439983 26-NOV-2025
APPROVED BY: CODE: PHONE: DATE:
TAKAGI, RYOUTA 231B 3152434502 26-NOV-2025
CONCURRED BY: CODE: PHONE: DATE:
REASON FOR WORK/NEED FOR CHANGE:
JCN:
ES01-NA56
SPECIAL REQUIREMENTS:
CU PHASE DESCRIPTION:
ZONE MANAGER: ZONE: COMPARTMENT: LEVEL: FRAME: SIDE:
SAITO, KAZUNOBU
JOB SUMMARY ID: TOT MAN HR.: TOT DUR: TOT JML COST: PLANNING ACCEPTANCE:
123A2117
1. SCOPE/PURPOSE:
1.1 Title: Hook Assembly for Louver Door of No. 3 Ship Service Gas Turbine Generator (SSGTG) Intake; install
1.2 Location of Work:
1.2.1 SSGTG Intake Trunk (1-388-2-Q) (Dirty Side)
1.2.2 SSGTG Intake Trunk (1-388-2-Q) (Clean Side)
1.2.3 01 Level Weather, Frames between 397 and 398, Port
1.3 Identification:
1.3.1 Quantity (One AY), Hook Assembly for Louver Door of No. 3 SSGTG Intake
Remarks: See Sheet 38C-12 of Ref. No. 4 for material and detail, and Sketch Enclosure-01 for location detail
TGI Short Form
21-JAN-2026 1552
20.15.6.0.9333 (July 2025) (Continued) ICN: 38K6112317 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: LVR DR #3 SSGTG INTK AY A 0 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
DDG-115 USS RAFAEL PERALTA K61
CU PHASE TITLE: F/O - INSTALL HOOK ASSEMBLY FOR LOUVER DOOR OF NO. 3 SSGTG INTAKE
FOUO Pg 2 of 5
CU PHASE DESCRIPTION (Cont.)
1.3.1.1 Quantity (One EA), Staple on Louver Assembly
Material: OS, ASTM A36, 3/8 Inch Diameter Round Bar Weld Joint Design: PT1S.1 of MIL-STD-22D Fillet Weld Size: 3/16 Inch
1.4 Security Classification: None.
1.5 Initial Condition: None.
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 Install each new hook assembly listed in 1.3.1 in accordance with Ref. No. 4.
2.2.1 Fabricate each new staple listed in 1.3.1.1.
2.2.2 Accomplish the requirements of 009-012 of Ref. No. One, including Table 2, Column(s) A, Lines One through 7.
2.3 Accomplish the requirements of 009-032 of Ref. No. One for each new and disturbed surface.
2.4 Notes:
2.4.1 Planner: Code 231B N. Takeuchi, 243-9983
2.4.2 Work Integration Manager (WIM): Code 333 T. Yaginuma, 080-6522-9560
2.4.3 This TGI is in response to CCIMS report No. CCIMS-G1N6-DDG115-045-24 from TGI No. 3815C11006I01.
2.4.4 WPC will copy the following sheet in reference.
REF. No. 4: Pages 6A, 26B-30, and 38C-12
2.4.5 JCN ES01-NA56 is related to this TGI.
2.5 Government Furnished Material (GFM):
2.5.1 SRF-JRMC will provide GFM listed in the Material List.
2.6 SRF-JRMC will provide the following service work: (TGI No. 38K6112317S02).
Kouichi.Yoshida.ja Typewritten Text 7/27/2026
Kouichi.Yoshida.ja Typewritten Text 9/4/2026
21-JAN-2026 1552
20.15.6.0.9333 (July 2025) (Continued) ICN: 38K6112317 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: LVR DR #3 SSGTG INTK AY A 0 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
DDG-115 USS RAFAEL PERALTA K61
CU PHASE TITLE: F/O - INSTALL HOOK ASSEMBLY FOR LOUVER DOOR OF NO. 3 SSGTG INTAKE
FOUO Pg 3 of 5
CU PHASE DESCRIPTION (Cont.)
Ref.
No.
Document/Drawing Number DOCUMENT/DRAWING TITLE REV
CHG
NO.
CPY
REQ PARAGRAPH SECT PG CHPT
2.6.1 [C740] Crane and crane rigging service.
2.6.2 [X99E] Utility service, electrical.
2.6.3 [X99M] Utility service, including low pressure air supply, water supply, and steam supply.
2.6.4 [C106.1] Safety inspection for SRF-JRMC employees.
2.6.5 [C106.2] Gas free inspection for SRF-JRMC employees.
2.6.6 [C133] QA inspection for (G) symbol(s).
2.6.7 [C285] Inspection for (G) symbol(s).
21-JAN-2026 1552
20.15.6.0.9333 (July 2025) (Continued) ICN: 38K6112317 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: LVR DR #3 SSGTG INTK AY A 0 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
DDG-115 USS RAFAEL PERALTA K61
CU PHASE TITLE: F/O - INSTALL HOOK ASSEMBLY FOR LOUVER DOOR OF NO. 3 SSGTG INTAKE
FOUO Pg 4 of 5
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-K6112317-
ES01NA56
NR.3 SSGTG INTK SYS FOD
PROTECTION FOR INSTL
NEW HOOK ASSY & STAPLE
FOR LVR DOOR
- Y ALL
4 DWG 259-6566713 DDG51 CLASS FAB & INSTL
OF INTAKE LVRS FOR GTRB
& SSGTRB
U Y SE
E
NO
TE
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 BAR,METAL, ORIG: C231B,
Y.YOSHIHARA, 243-9984
ORDER FOR X11
9B 9510 001881738 NA 4 N 51615098 10/FT
002 M LINK,DETACHABLE, ORIG:
C231B, Y.YOSHIHARA, 243-
ORDER FOR X11
9B 4010 015308436 NA 4 N 51115024 2/EA
MATERIAL REFERENCES
REF
NO.
DOCUMENT/DRAWING NUMBER DOCUMENT/DRAWING TITLE
REV
ICN: 38K6112317 KEY OP: A01
21-JAN-2026 1552
20.15.6.0.9333 (July 2025) (Continued) ICN: 38K6112317 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: LVR DR #3 SSGTG INTK AY A 0 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
DDG-115 USS RAFAEL PERALTA K61
CU PHASE TITLE: F/O - INSTALL HOOK ASSEMBLY FOR LOUVER DOOR OF NO. 3 SSGTG INTAKE
FOUO Pg 5 of 5
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
003 M SNAP HOOK, SNAP HOOK,
OPENING WITHOUT O-RING,
SPEC: MIL-H-15021, TYPE I
MOD (MODIFY MATERIAL TO
CRES 316),
SIZE: 19/32" OPENING X 1-1/4"
DIA EYE X 4-3/4"LG,
MATERIAL: CRES 316, BIW
CAT# 54624-026,
ORIG: C231B, Y.YOSHIHARA,
243-9984
ORDER FOR X11
9B 5340 LL9006549 NA 4 N 51157454 1/EA
ATTACHMENT LIST
TITLE FILE NAME SAVED DATE
ENCLOSURE-01 38K6112317A01-Sketch.pdf 26-NOV-2025 0000
LOCATION DETAIL OF STAPLE AND HOOK ASSEMBLY FOR LOUVER DOOR OF NO.3 SSGTG INTAKE
SKETCH
ENCLOSURE-0138K6112317A01 SHEET 1 OF 1
Missing Hook Assembly and Staple
: Missing Hook Assembly and Staple
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