TGI_38K4286504A01_c1v1.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) detailing a maintenance task to replace insulation, lagging, and reusable covers on exhaust ducts for three gas turbine systems. The specific work involves replacing 560 square feet of insulation and lagging across the No. One Ship Service Gas Turbine Generator (SSGTG) and 1A/1B Gas Turbine Modules (GTM) exhaust ducts, located in the Uptake Engine Room No. One.
The task requires using specific military-grade materials including MIL-PRF-2818 insulation, MIL-C-20079 Type I, Class 9 lagging, and MIL-DTL-32585 Type-I, Form-3 insulation for reusable covers. The work includes removing existing insulation, installing new materials, applying weather barrier coating, and addressing potential asbestos hazards. The instruction provides detailed specifications, references, and a material list for the contractors, with the work to be performed according to attached references and sketches. The task is scheduled for completion in June 2025, with specific dates to be determined by an attached Period of Performance (POP) list.
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FOUO
WebAIM Short Form TASK GROUP INSTRUCTION
04-JUN-2025 1312
20.14.15.2.9020 (September 2024) ICN: 38K4286504 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: FWD 02 LVL EXH IN AY A 0 1/1
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. ONE GTG AND 1A/1B 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
EM01L826
PREPARING ACTIVITY: STATUS: APP WORKING STATUS:
PREPARED BY: CODE: PHONE: DATE:
HOSODA, MASATO 234 3152434572 23-APR-2025
APPROVED BY: CODE: PHONE: DATE:
HARADA, HIDEO 234 3152435176 24-APR-2025
CONCURRED BY: CODE: PHONE: DATE:
REASON FOR WORK/NEED FOR CHANGE:
JCN:
EM01-L826
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:
865A5104
1. SCOPE/PURPOSE:
1.1 Title: Insulation, Lagging and Reusable Cover on No. One Ship Service Gas Turbine Generator (SSGTG) and 1A/1B Gas Turbine Module (GTM) Exhaust Duct; replace
1.2 Location of Work:
1.2.1 Uptake Engine Room No. One (02-186-0-Q)
1.3 Identification:
1.3.1 Quantity (200 SF), Insulation and Lagging, Exterior, Exhaust Duct, No. One 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. One SSGTG
TGI Short Form
04-JUN-2025 1312
20.14.15.2.9020 (September 2024) (Continued) ICN: 38K4286504 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: FWD 02 LVL EXH IN AY A 0 1/1
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. ONE GTG AND 1A/1B 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, 1A 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, 1A 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, 1B 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, 1B 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 1312
20.14.15.2.9020 (September 2024) (Continued) ICN: 38K4286504 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: FWD 02 LVL EXH IN AY A 0 1/1
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. ONE GTG AND 1A/1B 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 EM01-L826 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: 38K4286504S02)
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 1312
20.14.15.2.9020 (September 2024) (Continued) ICN: 38K4286504 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: FWD 02 LVL EXH IN AY A 0 1/1
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. ONE GTG AND 1A/1B 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 259-7060871 FAB & INSTL OF SSGTG
UPTAKE AUX MCHRY RM
NO.1 & ABOVE
C N
5 DWG 259-7060868 FAB & INSTL OF GTRB
UPTAKE ENG RM NO.1 &
ABOVE
B N
TASK NAME / TASK DESCRIPTION
SHOP/
TSD TS
SF
WC
CREW
# MHRS RWRK
2.1 INSL HRs, RGRS HRs 22/KE PC N
2.2 INSL HRs, PNTR HRs, QA, HRs, RGRS HRs 22/KE PC N
2.3 PNTR HRs, QA HRs 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 N
Process Funding Document. 10/CT OM N
Version-1: Admin change. Code 234 H. Harada, 4/24/2025, -/-/N / V-01 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: 38K4286504 KEY OP: A01
04-JUN-2025 1312
20.14.15.2.9020 (September 2024) (Continued) ICN: 38K4286504 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: FWD 02 LVL EXH IN AY A 0 1/1
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. ONE GTG AND 1A/1B 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 51217573
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 51215076 2/RO
003 M WIRE FABRIC, WIRE MESH,
ORIG:C234 M.HOSODA, 070-
7787-2043
ORDERED FOR CONTRACTOR
9B 5335 005989404 NA 4 N 51215075 1/EA
004 M ADHESIVE, ADHESIVE FOR
CLOTH,
ORIG:C234 M.HOSODA, 070-
7787-2043
ORDERED FOR CONTRACTOR
9B 8040 002738708 NA 4 Y 51215071 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 51217810 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 51225021 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 51215069 25/BG
007 M COATING, WEATHER BARRIER
COATING
ORIG: C234 M. HOSODA, 243-
ORDERED FOR CONTRACTOR
9Q 8030 LLN044831 NA 4 Y 51217458 30/CN
04-JUN-2025 1312
20.14.15.2.9020 (September 2024) (Continued) ICN: 38K4286504 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: FWD 02 LVL EXH IN AY A 0 1/1
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. ONE GTG AND 1A/1B GTM EXHAUST DUCT
FOUO Pg 6 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
008 M COATING, WEATHER BARRIER
COATING
ORIG: C234 M. HOSODA, 243-
ORDERED FOR CONTRACTOR
9Q 8030 LLN044831 NA 4 Y 51217459 10/CN
ATTACHMENT LIST
TITLE FILE NAME SAVED DATE
ENCLOSURE-01 38K4286504A01-Sketch-01.pdf 21-APR-2025 0000
SKETCH
ENCLOSURE-01
38K4286504A01 SHEET 1 OF 2
Replace insulation, lagging and reusable cover listed in 1.3.1
SKETCH
ENCLOSURE-01
38K4286504A01 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 .