SOW_TGI_38KB325102A01_c0v0.pdf
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- Attached to
- USS HIGGINS (DDG 76) 6C1 BUNDLE 3
- Solicitation number
- N6264926RA044
About this file
This is a WebAIM Short Form Task Group Instruction (TGI) for repair work on the USS HIGGINS (DDG-76). The document provides detailed specifications for repairing intake and uptake louvers on a naval destroyer, with work scheduled to commence on June 29, 2026, and be completed by December 8, 2026.
The work involves multiple repair tasks across several locations: the Intake Engine Room No. 2 (02-275-0-Q), Uptake Engine Room No. 2 (02-242-0-Q), Ship Service Gas Turbine Generator Intake (01-260-1-Q), weather deck areas at various frame locations, and an intake trunk. Specific repairs include weld repair of deficient welds on a Foreign Object Damage (FOD) screen frame composed of CRES 316 material, corrosion hole remediation and mechanical damage repair on existing louvers fabricated from HTS (MIL-S-22698, GR DH-36) plate and ASTM A-588 steel flatbar, and removal and replacement of a bonding strap on a gas turbine louver per MIL-STD-1310 specifications. The contractor must accomplish requirements per the Gas Turbine Maintenance Procedure reference and specific weld repair guidance. SRF-JRMC will provide government-furnished materials and support services including crane and rigging, electrical utilities, steam and water supply, safety and gas-free inspections, and quality assurance inspections for designated work elements. The work is governed by NAVSEA Standard Items and Local Standard Items, with detailed visual inspection records and damage location maps provided in the attached sketch enclosure documenting corrosion areas and mechanical damage across multiple louver sections.
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FOUO
WebAIM Short Form TASK GROUP INSTRUCTION
14-JAN-2026 1127
20.15.6.0.9333 (July 2025) ICN: 38KB325102 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: LOUVERS AY A 0 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
DDG-76 USS HIGGINS KB3
CU PHASE TITLE: F/O - REPAIR INTAKE AND UPTAKE LOUVERS
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
EM02L030
PREPARING ACTIVITY: STATUS: APP WORKING STATUS:
PREPARED BY: CODE: PHONE: DATE:
YAJIMA, RYO 231A 3152432791 18-DEC-2025
APPROVED BY: CODE: PHONE: DATE:
NAKAMURA, YUUJI 231A 3152436041 20-DEC-2025
CONCURRED BY: CODE: PHONE: DATE:
REASON FOR WORK/NEED FOR CHANGE:
JCN:
EM02-L030
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:
251A3302
1. SCOPE/PURPOSE:
1.1 Title: Intake and Uptake Louver; repair
1.2 Location of Work:
1.2.1 Intake Engine Room No. 2 (02-275-0-Q)
1.2.2 Uptake Engine Room No. 2 (02-242-0-Q)
1.2.3 Ship Service Gas Turbine Generator Intake (01-260-1-Q)
1.2.4 02 Level Weather, Frames between 275 and 280, Starboard (Stbd)
1.2.5 03 Level Weather, Frames between 246 and 268, Port and Stbd
1.2.6 Intake Trunk (A) Engine Room No. 2 (1-289-2-Q)
TGI Short Form
14-JAN-2026 1127
20.15.6.0.9333 (July 2025) (Continued) ICN: 38KB325102 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: LOUVERS AY A 0 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
DDG-76 USS HIGGINS KB3
CU PHASE TITLE: F/O - REPAIR INTAKE AND UPTAKE LOUVERS
FOUO Pg 2 of 5
CU PHASE DESCRIPTION (Cont.)
1.2.7 Intake Engine Room No. 2 (01-276-0-Q)
1.3 Identification:
1.3.1 Quantity (One Lot), Foreign Object Damage (FOD) Screen Frame of Louver in 02-275-0-Q
Base Material:
FOD Screen Frame; CRES 316, 1-1/2 Inch x 1-1/2 Inch x 3/16 Inch Thickness Angle FOD screen; CRES 316, 0.120 Diameter Rod Remarks: See Ref. No. 4 for base material and PIC-2B-S-3 of Sketch Enclosure-01 for location detail
1.3.2 Quantity (One Lot), Louver in 02-242-0-Q, Port
Base Material: HTS, MIL-S-22698, GR DH-36, 15.3 LBs Plate Remarks: See Ref. No. 4 for base material and PIC-UP-PI-1 of Sketch Enclosure-01 for location detail
1.3.3 Quantity (One Lot), Louver in 02-242-0-Q, Port
Base Material: Steel, ASTM A-588, 3 Inches x 3/8 Inch Thickness Flatbar Remarks: See Ref. No. 4 for base material and PIC-UP-PI-8, PIC-UP-PI-9, PIC-UP-PI-24, and PIC-UP-PI-25 of Sketch
Enclosure-01 for location detail
1.3.4 Quantity (One Lot), Louver in 02-242-0-Q, Stbd
Base Material: Steel, ASTM A-588, 3 Inches x 3/8 Inch Thickness Flatbar Remarks: See Ref. No. 4 for base material and PIC-UP-SI-6, PIC-UP-SI-7, PIC-UP-SI-12, and PIC-UP-SI-21 of Sketch
Enclosure-01 for location detail
1.3.5 Quantity (One Lot), Bonding Strap on Louver in 01-260-1-Q, Stbd
Remarks: See Ref. No. 5 and PIC-G21-20 of Sketch Enclosure-01 for location and detail
1.4 Security Classification: None.
1.5 Initial Condition: None.
1.6 Contractor work start date: 29/JUN/2026
1.7 Contractor work completion date: 8/DEC/2026
2. PROCEDURE:
2.1 Accomplish the requirements of Ref. No. 3.
(V)(G) “GAS TURBINE MAINTENANCE PROCEDURE”
2.2 Accomplish weld repair of deficient weld on screen frame, corrosion hole and mechanical damage on each existing louver listed in 1.3.1 through 1.3.4, using Ref. No. 4 for guidance.
14-JAN-2026 1127
20.15.6.0.9333 (July 2025) (Continued) ICN: 38KB325102 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: LOUVERS AY A 0 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
DDG-76 USS HIGGINS KB3
CU PHASE TITLE: F/O - REPAIR INTAKE AND UPTAKE LOUVERS
FOUO Pg 3 of 5
CU PHASE DESCRIPTION (Cont.)
2.2.1 Drill 1/2 inch diameter hole on corrosion hole of each louver listed in 1.3.2.
2.2.1.1 Shape remaining hole to minimum 20 degrees countersink.
2.2.2 Accomplish the requirements of 009-012 of Ref. No. One, including Table 2, Column(s) A and D, Lines One through 7.
2.3 Remove existing and install new each bonding strap listed in 1.3.5 in accordance with Ref. No. 5.
2.4 Accomplish the requirements of 009-032 of Ref. No. One for each new and disturbed surface.
2.5 Notes:
2.5.1 Planner: Code 231A R. Yajima, 243-2791
Engineer: Code 250 M. Imamura, 243-4325
2.5.2 Work Integration Manager (WIM): Code 333 T. Yaginuma, 080-6522-9560
2.5.3 This TGI is in response to Condition Report No. NNR21048-9-02 from Sumitomo Heavy Industries, Ltd. Dated 5-JAN- 2023.
2.5.4 WPC will copy the following pages in reference.
REF No. 4: Pages 27B-6, 28B-6, and 22C-6
2.5.5 JCN EM02-L030 is related to this TGI.
2.6 Government Furnished Material (GFM):
2.6.1 SRF-JRMC will provide GFM listed in the Material List.
2.7 SRF-JRMC will provide the following service work: (TGI No. 38KB325102S02).
2.7.1 [C740] Crane and crane rigging service.
2.7.2 [X99E] Utility service, electrical.
2.7.3 [X99M] Utility service, including low pressure air supply, water supply, and steam supply.
2.7.4 [C106.1] Safety inspection for SRF-JRMC employees.
2.7.5 [C106.2] Gas free inspection for SRF-JRMC employees.
2.7.6 [C133] QA inspection for (G) symbol(s).
2.7.7 [C285] Inspection for (G) symbol(s).
14-JAN-2026 1127
20.15.6.0.9333 (July 2025) (Continued) ICN: 38KB325102 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: LOUVERS AY A 0 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
DDG-76 USS HIGGINS KB3
CU PHASE TITLE: F/O - REPAIR INTAKE AND UPTAKE LOUVERS
FOUO Pg 4 of 5
CU PHASE DESCRIPTION (Cont.)
Ref.
No.
Document/Drawing Number DOCUMENT/DRAWING TITLE REV
CHG
NO.
CPY
REQ PARAGRAPH SECT PG CHPT
14-JAN-2026 1127
20.15.6.0.9333 (July 2025) (Continued) ICN: 38KB325102 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: LOUVERS AY A 0 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
DDG-76 USS HIGGINS KB3
CU PHASE TITLE: F/O - REPAIR INTAKE AND UPTAKE LOUVERS
FOUO Pg 5 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 LM19-KB325102-
EM02L030
2B GTM AND NR.2 SSGTG
INTAKE SYSTEM FOD
PROTECTION FOR INTAKE
LOUVER REPAIR
- Y ALL
4 DWG 259-6566713 DDG51 CLASS FAB & INSTL
OF INTAKE LVRS FOR GTRB
& SSGTRB
M Y SE
E
NO
TE
5 MIL MIL-STD-1310 Shipboard Bonding, Grounding, and Other Techniques for EMP Mitigation and Safety
H N
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 STRIP,EL, ORDERED FOR KTR
ORIG: C231A R. YAJIMA
243-2791
9B 5999 013438667 NA 4 N 53535042 1/EA
002 M SCREW,CA, ORDERED FOR
KTR
ORIG: C231A R. YAJIMA
243-2791
9B 5305 014535741 NA 4 N 53535043 2/EA
ATTACHMENT LIST
TITLE FILE NAME SAVED DATE
ENCLOSURE-01 38KB325102A01-Sketch.pdf 18-DEC-2025 0000
MATERIAL REFERENCES
REF
NO.
DOCUMENT/DRAWING NUMBER DOCUMENT/DRAWING TITLE
REV
ICN: 38KB325102 KEY OP: A01
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