FOUO

WebAIM Short Form TASK GROUP INSTRUCTION

28-APR-2026 1327

20.15.6.0.9333 (July 2025) ICN: 38HWC51408 KeyOp: A02

COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: RHR 03-17-2-Q AY A 1 0/0

SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:

YR-95 YR 95 HWC

CU PHASE TITLE: F/O – REPLACE DUCT HEATERS 03-18-2 AND 03-20-2

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

Y9525004

PREPARING ACTIVITY: STATUS: APP WORKING STATUS: PKG

PREPARED BY: CODE: PHONE: DATE:

KAWAKAMI, TAKAO 231A 3152437064 09-APR-2026

APPROVED BY: CODE: PHONE: DATE:

NAKAMURA, YUUJI 231A 3152436041 09-APR-2026

CONCURRED BY: CODE: PHONE: DATE:

REASON FOR WORK/NEED FOR CHANGE:

JCN:

SPECIAL REQUIREMENTS:

CU PHASE DESCRIPTION:

ZONE MANAGER: ZONE: COMPARTMENT: LEVEL: FRAME: SIDE:

OGAWA, JUN

JOB SUMMARY ID: TOT MAN HR.: TOT DUR: TOT JML COST: PLANNING ACCEPTANCE:

514A2X08

1. SCOPE/PURPOSE:

1.1 Title: Duct Heaters 03-18-2 and 03-20-2; replace

1.2 Location of Work:

1.2.1 Engineering Field Office (03-17-2-Q)

1.2.2 04 Level Weather, Frames between 18 and 21, Port

1.2.3 Passage (03-4-0-L)

1.3 Identification:

1.3.1 Quantity (2 EA), Duct Heater, Electrical

Heater No.: 03-18-2 and 03-20-2

TGI Short Form

28-APR-2026 1327

20.15.6.0.9333 (July 2025) (Continued) ICN: 38HWC51408 KeyOp: A02

COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: RHR 03-17-2-Q AY A 1 0/0

SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:

YR-95 YR 95 HWC

CU PHASE TITLE: F/O – REPLACE DUCT HEATERS 03-18-2 AND 03-20-2

FOUO Pg 2 of 5

CU PHASE DESCRIPTION (Cont.)

System No.: Recirculation System (RS) 03-15-4 Size/Type: 25EHL, RHR Remarks: See Ref. No. 3 through Ref. No. 4 for details.

1.3.1.1 Quantity (2 EA), Foundation, Heater

Material: Steel Remarks: See Ref. No. 3, Ref. No. 4 and Ref. No. 6 for details.

1.3.1.2 Quantity (4 EA), Label Plate

Remarks: See Ref. No. 3 through Ref. No. 5 for details.

1.3.2 Quantity (One Lot), Vent Duct in 03-17-2-Q

System No.: RS 03-15-4 Type: Non-watertight Material: Aluminum Alloy Location: Frames between 18 and 19, Port

Frames between 20 and 21, Port Remarks: See Ref. No. 3 and Ref. No. 4 for details.

1.4 Security Classification: None.

1.5 Initial Condition:

1.5.1 Potential Asbestos Hazard

1.6 Contractor work start date:

1.7 Contractor work completion date:

2. PROCEDURE:

2.1 Remove existing and install new each duct heater listed in 1.3.1 in accordance with Ref. No. 3 through Ref. No. 5.

2.1.1 Remove existing, fabricate and install new each heater foundation listed in 1.3.1.1 in accordance with Ref. No. 3 and Ref.

No. 4, using Ref. No. 6 for guidance.

2.1.2 Remove existing, fabricate and install new each label plate listed in 1.3.1.2 in accordance with Ref. No. 3 through Ref. No.

5.

2.1.3 Remove existing, fabricate and install new each vent duct listed in 1.3.2 in accordance with Ref. No. 3 and Ref. No. 4.

2.1.4 Accomplish the requirements of 009-12 of Ref. No. One, including Table 4, Column(s) A and C, Lines One through 7.

2.2 Accomplish the requirements of 009-32 of Ref. No. One for each new and disturbed surface.

2.3 Notes:

28-APR-2026 1327

20.15.6.0.9333 (July 2025) (Continued) ICN: 38HWC51408 KeyOp: A02

COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: RHR 03-17-2-Q AY A 1 0/0

SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:

YR-95 YR 95 HWC

CU PHASE TITLE: F/O – REPLACE DUCT HEATERS 03-18-2 AND 03-20-2

FOUO Pg 3 of 5

CU PHASE DESCRIPTION (Cont.)

2.3.1 Planner: Code 231A T. Kawakami 243-7064

Planner: Code 233 M. Yamaguchi 080-9350-1450

2.3.2 Work per this instruction involves cutting an access (or removal of a door) through a fire zone bulkhead, through the hull of the ship above the turn of the bilge, through ventilation components (ducting, plenums, etc.), or through any air-tight, fume-tight or watertight bulkheads normally used to control air flow in the event of a shipboard fire. A nonflammable closure is required in accordance with COMNAVSEASYSCOM MSG R 261400Z JUL 12. The closure, if not continuously in use, shall be staged near the access, readily visible and accessible, so that any emergency responder can install the closure to affect proper air flow onboard the ship.

2.3.3 Chilled Water Solenoid Valve for Cooling Coil #03-15-2 has been accomplished to replace by PSNS and IMF.

2.3.4 Work Integration Manager (WIM): Code 312, Dean Vanderwege, 243-3199

2.3.5 JCN Y952-5004 is related to this TGI.

2.4 Government Furnished Material (GFM):

2.4.1 SRF-JRMC will provide GFM listed in the Material List.

2.5 SRF-JRMC will provide the following service work: (TGI No. 38HWC51408S01)

2.5.1 [C740] Crane and crane rigging service.

2.5.2 [X99E] Utilities service, electrical.

2.5.3 [X99M] Utilities service, including low pressure air supply, water supply, and steam supply.

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).

28-APR-2026 1327

20.15.6.0.9333 (July 2025) (Continued) ICN: 38HWC51408 KeyOp: A02

COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: RHR 03-17-2-Q AY A 1 0/0

SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:

YR-95 YR 95 HWC

CU PHASE TITLE: F/O – REPLACE DUCT HEATERS 03-18-2 AND 03-20-2

FOUO Pg 4 of 5

OTHER SPECIAL REQUIREMENTS:

This Work Affects a Fire Zone Boundary. Fabrication and/or Staging of a Non-Flammable Closure is Required.

Ref.

No.

Document/Drawing Number DOCUMENT/DRAWING TITLE REV

CHG

NO.

CPY

REQ PARAGRAPH SECT PG CHPT

1 NSI FY26 Standard Item - 1 N 2 LI FY26 Local Standard Items - ORG N

3 PDD TAR – YR95 -

HVAC CALC REQUESTED,

COLD TEMPS IN 03 LEVEL

COMPTS – FOUNDATION

CHANGE

C Y ALL

4 DWG 501-8777484 HVAC MOD R03-15-4 HEATER

UPGD 03 LEVEL FR 17-22

PORT

- Y ALL

5 DWG 302-8782088 POWER SYSTEM

MODIFICATIONS TROUBLE

DESK HEATER UPGRADE

- Y ALL

6 DWG 111-7586072 04 LEVEL DECK PLATING &

BEAMS

- Y 1,2, 3,4

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

500 M SHEET,METAL, ORDER FOR

KTR

ORIG:C226 NISHIHARA 080-

9350-1460

9B 9515 002375410 NA 4 N 43045138 2/SH

MATERIAL REFERENCES

REF

NO.

DOCUMENT/DRAWING NUMBER DOCUMENT/DRAWING TITLE

REV

ICN: 38HWC51408 KEY OP: A02

28-APR-2026 1327

20.15.6.0.9333 (July 2025) (Continued) ICN: 38HWC51408 KeyOp: A02

COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: RHR 03-17-2-Q AY A 1 0/0

SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:

YR-95 YR 95 HWC

CU PHASE TITLE: F/O – REPLACE DUCT HEATERS 03-18-2 AND 03-20-2

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

501 M ACCESS COVER, ACCESS

COVER, QUICK ACTING,

HINGED, UNINSULATED, DWG

803-6397256, SIZE: 6" W X 6" H,

MATL: SAE-AMS-QQ-A-250/8

ALUMINUM

ORDER FOR KTR

ORIG:C226 NISHIHARA 080-

9350-1460

9B 2090 LL4765818 NA 4 N 43327532 4/EA

502 M RUBBER SHEET,SOLID,

ORDER FOR KTR

ORIG:C226 NISHIHARA 080-

9350-1460

9B 9320 014949417 NA 4 N 43005047 2/SH

503 M SHEET,METAL, ORDER FOR

KTR

ORIG:C226 NISHIHARA 080-

9350-1460

9B 9535 002326866 NA 4 N 43005048 2/SH

504 M HEATER,DUCT TYPE,ST,

ORDER FOR KTR

ORIG:C226 NISHIHARA 080-

9350-1460

3B 4520 011513296 NA 4 N 43045137 2/EA

505 M SOUND CONTROLLING B,

ORDER FOR KTR

ORIG:C226 NISHIHARA 080-

9350-1460

9Q 5640 007565866 NA 4 N 50935671 4/BX

506 M TAPE,TEXTILE, ORDER FOR

KTR

ORIG:C226 NISHIHARA 080-

9350-1460

9B 8315 002671633 NA 4 N 43005050 1/RO

507 M SHEET,METAL, ORDER FOR

KTR

ORIG:C226 NISHIHARA 080-

9350-1460

9B 9535 002326864 NA 4 N 43005049 2/SH

508 M SOUND CONTROLLING B,

SOUND CONTROLLING B, P/N:

MIL-A-23054, 3'L X 2'W X

2"THK, WHITE, BUTT JOINT

EDGE

9Q 5640 007565866 NA 4 N 51575145 4/BX

ATTACHMENT LIST

TITLE FILE NAME SAVED DATE

YOKO CFM LIST 38HWC51408-CFM List.pdf.pdf 31-MAR-2026 0000