TGI_38K4286503A01_c0v0.pdf
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- Attached to
- USS DEWEY (DDG-105) FY26 6C1 CNO SRA(d) BUNDLE #2, Chief of Naval Operation Availability Yokosuka Japan
- Solicitation number
- N6264926RA004
About this file
This document is a WebAIM Short Form Task Group Instruction (TGI) for the USS Dewey (DDG-105), dated 04-JUN-2025, focused on replacing insulation, lagging, and reusable covers on exhaust ducts for No. 2 Ship Service Gas Turbine Generator (SSGTG) and 2A/2B Gas Turbine Modules (GTM). The specific work is located in Uptake Engine Room No. 2 and involves replacing approximately 560 square feet of insulation and lagging, using MIL-PRF-2818 insulation and MIL-C-20079 Type I, Class 9 lagging, along with three reusable manhole covers. The materials include thermal mineral wool insulation blankets, glass cloth, wire mesh, adhesives, and weather barrier coating, with SRF-JRMC providing government-furnished materials and additional services such as crane rigging, utility services, and quality assurance inspections.
The task instruction includes detailed specifications for removing existing insulation and installing new materials, with special attention to potential asbestos hazards. The contractor is required to follow specific references and guidelines for installation, including applying weather barrier coating and meeting various technical requirements. The work is part of a maintenance project for the USS Dewey, with the specific job code EM02-L142, and involves precise technical specifications for insulation and covering of exhaust ducts in the ship's engine room.
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FOUO
WebAIM Short Form TASK GROUP INSTRUCTION
04-JUN-2025 1311
20.14.15.2.9020 (September 2024) ICN: 38K4286503 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: AFT 02 LVL EXH IN AY A 0 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
DDG-105 USS DEWEY K42
CU PHASE TITLE: *F/O - REPLACE INSULATION AND LAGGING ON NO. 2 GTG AND 2A/2B GTM EXHAUST DUCT
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 6
EM02L142
PREPARING ACTIVITY: STATUS: APP WORKING STATUS:
PREPARED BY: CODE: PHONE: DATE:
HOSODA, MASATO 234 3152434572 25-APR-2025
APPROVED BY: CODE: PHONE: DATE:
ITO, SHINICHI 234 3152434297 25-APR-2025
CONCURRED BY: CODE: PHONE: DATE:
REASON FOR WORK/NEED FOR CHANGE:
JCN:
EM02-L142
SPECIAL REQUIREMENTS:
CU PHASE DESCRIPTION:
ZONE MANAGER: ZONE: COMPARTMENT: LEVEL: FRAME: SIDE:
UENO, KOUICHI
JOB SUMMARY ID: TOT MAN HR.: TOT DUR: TOT JML COST: PLANNING ACCEPTANCE:
865A5103 0
1. SCOPE/PURPOSE:
1.1 Title: Insulation, Lagging and Reusable Cover on No. 2 Ship Service Gas Turbine Generator (SSGTG) and 2A/2B Gas Turbine Module (GTM) Exhaust Duct; replace
1.2 Location of Work:
1.2.1 Uptake Engine Room No. 2 (02-242-0-Q)
1.3 Identification:
1.3.1 Quantity (200 SF), Insulation and Lagging, Exterior, Exhaust Duct, No. 2 SSGTG Insulation: MIL-PRF-2818 Lagging: MIL-C-20079, Type I, Class 9 Remarks: See Sketch Enclosure-01 for details.
1.3.1.1 Quantity (One EA), Reusable Cover, Manhole Cover, No. 2 SSGTG
TGI Short Form
04-JUN-2025 1311
20.14.15.2.9020 (September 2024) (Continued) ICN: 38K4286503 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: AFT 02 LVL EXH IN AY A 0 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
DDG-105 USS DEWEY K42
CU PHASE TITLE: *F/O - REPLACE INSULATION AND LAGGING ON NO. 2 GTG AND 2A/2B GTM EXHAUST DUCT
FOUO Pg 2 of 6
CU PHASE DESCRIPTION (Cont.)
Insulation: MIL- DTL-32585, Type-I, Form-3 Lagging: MIL-C-20079, Type I, Class 9 Remarks: See Sketch Enclosure-01 for details.
1.3.2 Quantity (180 SF), Insulation and Lagging, Exterior, Exhaust Duct, 2A GTM Insulation: MIL-PRF-2818 Lagging: MIL-C-20079, Type I, Class 9 Remarks: See Sketch Enclosure-01 for details.
1.3.2.1 Quantity (One EA), Reusable Cover, Manhole Cover, 2A GTM Insulation: MIL- DTL-32585, Type-I, Form-3 Lagging: MIL-C-20079, Type I, Class 9 Remarks: See Sketch Enclosure-01 for details.
1.3.3 Quantity (180 SF), Insulation and Lagging, Exterior, Exhaust Duct, 2B GTM Insulation: MIL-PRF-2818 Lagging: MIL-C-20079, Type I, Class 9 Remarks: See Sketch Enclosure-01 for details.
1.3.3.1 Quantity (One EA), Reusable Cover, Manhole Cover, 2B GTM Insulation: MIL- DTL-32585, Type-I, Form-3 Lagging: MIL-C-20079, Type I, Class 9 Remarks: See Sketch Enclosure-01 for details.
1.4 Security Classification: None.
1.5 Initial Condition:
1.5.1 Potential Asbestos Hazard
1.6 Contractor Start Date: See attached POP list.
1.7 Contractor Work Completion Date: See attached POP list.
2. PROCEDURE:
2.1 Remove each existing insulation, lagging, and reusable cover listed in 1.3.1 through 1.3.3 from exhaust duct, using Ref. No.
3 for guidance.
2.2 Accomplish the requirements of 009-011 of Ref. No. One for installation each new insulation, lagging and reusable cover listed in 1.3.1 through 1.3.3 to exhaust duct, using Ref. No. 4 and Ref. No. 5 for guidance.
2.2.1 Apply weather barrier coating to the new lagging surface.
2.2.2 Accomplish the requirements of 009-032 of Ref. No. One for top surface where new insulation and lagging are installed.
2.3 Accomplish the requirements of 009-032 of Ref. No. One for each new and disturbed surface.
2.4 Notes:
04-JUN-2025 1311
20.14.15.2.9020 (September 2024) (Continued) ICN: 38K4286503 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: AFT 02 LVL EXH IN AY A 0 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
DDG-105 USS DEWEY K42
CU PHASE TITLE: *F/O - REPLACE INSULATION AND LAGGING ON NO. 2 GTG AND 2A/2B GTM EXHAUST DUCT
FOUO Pg 3 of 6
CU PHASE DESCRIPTION (Cont.)
2.4.1 Planner: Code 234 M. Hosoda, 243-4572
2.4.2 Work Integration Manager (WIM): Code 333 T. Yaginuma, 080-5419-0598
2.4.3 JCN EM02-L142 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: 38K4286503S02)
2.6.1 [C740] Crane and crane rigging service.
2.6.2 [X99E] Provide utility service.
2.6.3 [X99M] Provide 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).
04-JUN-2025 1311
20.14.15.2.9020 (September 2024) (Continued) ICN: 38K4286503 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: AFT 02 LVL EXH IN AY A 0 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
DDG-105 USS DEWEY K42
CU PHASE TITLE: *F/O - REPLACE INSULATION AND LAGGING ON NO. 2 GTG AND 2A/2B GTM EXHAUST DUCT
FOUO Pg 4 of 6
OTHER SPECIAL REQUIREMENTS:
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 - N
3 TM S9086 VH-STM-
010/CH-635
Thermal, Fire, and Acoustic Insulation
3 N
4 DWG 259-7060869 FAB & INSTL OF SSGTG
UPTAKE ENG ROOM NO.2 &
ABOVE
B N
5 DWG 259-7060867 FAB & INSTL OF GTRB
UPTAKE ENG RM NO.2 &
ABOVE
B N
TASK NAME / TASK DESCRIPTION
SHOP/
TSD TS
SF
WC
CREW
# MHRS RWRK
2.1 INSL , RGRS 22/KE PC N
2.2 INSL , PNTR , QA , RGRS 22/KE PC N
2.3 PNTR , QA , 22/KE PC N
CFM: for asbestos sampler and analysis cost, tyvek suit, all paint, wire, hook / washer, plastic bag/sheet, enclosing/covering materials and other consumable.
22/MQ CS 0 0 N
Process Funding Document. 10/CT OM 1 1 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
MATERIAL REFERENCES
REF
NO.
DOCUMENT/DRAWING NUMBER DOCUMENT/DRAWING TITLE
REV
ICN: 38K4286503 KEY OP: A01
04-JUN-2025 1311
20.14.15.2.9020 (September 2024) (Continued) ICN: 38K4286503 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: AFT 02 LVL EXH IN AY A 0 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
DDG-105 USS DEWEY K42
CU PHASE TITLE: *F/O - REPLACE INSULATION AND LAGGING ON NO. 2 GTG AND 2A/2B GTM EXHAUST DUCT
FOUO Pg 5 of 6
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 INSULATI, INSULATION
BLANKET, THERMAL, MINERAL
WOOL,
SPEC: MIL-PRF-2818,
SIZE: 24" X 48" X 2" THK,
DENSITY: 8 LBS/CU FT,
BIW CATALOG NO. 47111-030,
ROCKWOOL P/N: SEAROX SL
620(128), REMARKS: OMIT METALLIC
SUPPORT MEMBERS FROM
BOTH SIDES,
9B 5640 LL9606678 NA 4 N 51217572
130/SH
002 M CLOTH,PLAIN WEAVE, H/W
GLASS CLOTH, 5 FT X 150 FT
LONG PER ROLL, COLOR IS
NATURAL,
ORIG:C234 M.HOSODA, 070-
7787-2043
ORDERED FOR CONTRACTOR
9B 8305 001487364 NA 4 N 51215100 2/RO
003 M WIRE FABRIC, WIRE MESH,
ORIG:C234 M.HOSODA, 070-
7787-2043
ORDERED FOR CONTRACTOR
9B 5335 005989404 NA 4 N 51215098 1/EA
004 M ADHESIVE, ADHESIVE FOR
CLOTH,
ORIG:C234 M.HOSODA, 070-
7787-2043
ORDERED FOR CONTRACTOR
9B 8040 002738708 NA 4 Y 51215084 30/GL
005 M WIRE MES, WIRE, MESH,
CHICKEN NET, #20 X 16 MESH
NO.20G, HEXAGONAL WIRE
NETTING, GALVANIZED
STEEL, 1RLL=30METER
ORIG:C234 M.HOSODA, 070-
7787-2043
ORDERED FOR CONTRACTOR
9Z 5340 LL4651079 NA 4 N 51217809 4/RL
006 M CEMENT,INSULATION,H,
CEMENT, FINISH
ORIG:C234 M.HOSODA, 070-
7787-2043
ORDERED FOR CONTRACTOR
9Q 5640 002264540 NA 4 Y 51215081 25/BG
006 M CEMENT,INSULATION,H,
CEMENT, FINISH
ORIG:C234 M.HOSODA, 070-
7787-2043
ORDERED FOR CONTRACTOR
9Q 5640 002264540 NA 4 Y 51225006 25/BG
007 M COATING, WEATHER BARRIER
COATING
ORIG: C234 M. HOSODA, 243-
ORDERED FOR CONTRACTOR
9Q 8030 LLN044831 NA 4 Y 51217457 40/CN
04-JUN-2025 1311
20.14.15.2.9020 (September 2024) (Continued) ICN: 38K4286503 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: AFT 02 LVL EXH IN AY A 0 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
DDG-105 USS DEWEY K42
CU PHASE TITLE: *F/O - REPLACE INSULATION AND LAGGING ON NO. 2 GTG AND 2A/2B GTM EXHAUST DUCT
FOUO Pg 6 of 6
ATTACHMENT LIST
TITLE FILE NAME SAVED DATE
ENCLOSURE-01 38K4286503A01-Sketch.pdf 25-APR-2025 0000
SKETCH
ENCLOSURE-01
38K4286503A01 SHEET 1 OF 2
Replace insulation, lagging and reusable cover listed in 1.3.1
SKETCH
ENCLOSURE-01
38K4286503A01 SHEET 2 OF 2
Replace insulation, lagging and reusable cover listed in 1.3.2
Replace insulation, lagging and reusable cover listed in 1.3.3
File details come from the government source that posted it. Updated .