TGI_38K4265405A01_c0v0.pdf
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- 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), specifically focused on repairing structural members in the Auxiliary Machinery Room No. 2 (4-220-0-E). The repair work includes three primary tasks: (1) weld repair a corrosion hole on the chilled water pump foundation, (2) remove and install two new pipe hangers for waste water drain piping, and (3) remove existing and install a new grating support. The work will be performed in the Auxiliary Machinery Room No. 2 and Fuel Receiving Tank Group-4, with specific technical requirements including drilling 3/4 inch diameter holes, countersinking, and following NAVSEA standard welding and inspection procedures. The total man-hours for the project are 723, with a total job material cost of $672.08, and the SRF-JRMC will provide government-furnished material and various utility and inspection services.
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FOUO
WebAIM Short Form TASK GROUP INSTRUCTION
23-AUG-2025 1011
20.15.6.0.9333 (July 2025) ICN: 38K4265405 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: STRUCT 4-220-0-E 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 - REPAIR STRUCTURAL MEMBER IN 4-220-0-E
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
EE02L041 * ES01NNY8 * ES01NNY9
PREPARING ACTIVITY: STATUS: APP WORKING STATUS:
PREPARED BY: CODE: PHONE: DATE:
AOKI, YOSHINORI 231A 3152434503 09-AUG-2025
APPROVED BY: CODE: PHONE: DATE:
NAKAMURA, YUUJI 231A 3152436041 11-AUG-2025
CONCURRED BY: CODE: PHONE: DATE:
REASON FOR WORK/NEED FOR CHANGE:
JCN:
EE02-L041 * ES01-NNY8 * ES01-NNY9
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:
654A1105 723 0 $672.08
1. SCOPE/PURPOSE:
1.1 Title: Structural Member in 4-220-0-E; repair
1.2 Location of Work:
1.2.1 Auxiliary Machinery Room No. 2 (4-220-0-E)
1.2.2 Fuel Receiving Tank Group-4 (5-220-4-F)
1.3 Identification:
1.3.1 Quantity (One EA), Foundation of Chilled Water Pump in 4-220-0-E
JCN: EE02-L041
Base Material: HTS, MIL-S-22698 GR-DH36 10.2 LBs Plate Remarks: See Sketch Enclosure-02 for location details.
TGI Short Form
23-AUG-2025 1011
20.15.6.0.9333 (July 2025) (Continued) ICN: 38K4265405 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: STRUCT 4-220-0-E 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 - REPAIR STRUCTURAL MEMBER IN 4-220-0-E
FOUO Pg 2 of 5
CU PHASE DESCRIPTION (Cont.)
1.3.2 Quantity (2 EA), Pipe Hanger for Waste Water Drain Piping
JCN: ES01-NNY8
Material: Steel Size: One Inch IPS Specification: SS000035 Type: H-13 Remarks: See Sheet 3C (Zone 5-E) of Ref. No. 4 and Sketch Enclosure-03 for location details.
1.3.3 Quantity (One Lot), Grating Support
JCN: ES01-NNY9
Remarks: See Engrg Inst Enclosuer-01 foe material and details.
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 Pump out, clean and dry the bilge area located in 1.2.1 free from oil, debris, and other foreign matter.
2.2 Accomplish weld repair of corrosion hole on each existing foundation listed in 1.3.1, using Ref. No. 3 for guidance.
2.2.1 Drill 3/4 inch diameter hole on each foundation.
2.2.1.1 Shape remaining hole to minimum 20 degrees countersunk.
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 Remove existing and install new each pipe hanger listed in 1.3.2, using Ref. No. 4 and Enclosure-03 for guidance.
2.3.1 Accomplish the requirements of 009-012 of Ref. No. One, including Table 2, Column(s) A, Lines One through 7.
2.4 Remove existing, fabricate and install new grating support listed in 1.3.3 in accordance with 2.5 and Enclosure-01.
2.4.1 Accomplish the requirements of 009-012 of 2Ref. No. One, including Table 2, Column(s) A, Lines One through 7.
2.5 Accomplish the requirements of 009-032 on Ref. No. One for each new and disturbed surface.
2.6 Notes:
2.6.1 Planner: Code 231A Y. Aoki, 243-4503
Planner: Code 234 K. Akase, 243-2372
23-AUG-2025 1011
20.15.6.0.9333 (July 2025) (Continued) ICN: 38K4265405 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: STRUCT 4-220-0-E 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 - REPAIR STRUCTURAL MEMBER IN 4-220-0-E
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
Planner: Code 234 S. Yamashita, 070-7787-2035 Engineer: Code 250 C. Kinoshita, 243-4356
2.6.2 Work Integration Manager (WIM): Code 333 T. Yaginuma, 080-5419-0598
2.6.3 This TGI clears DFS DDG-105-1015-2022 in its entirety.
2.6.4 This TGI is in response to CCIMS report No. CCIMS-G1N6-DDG105-085-24 from TGI No. 3805Y11004I03.
2.6.5 Provision of oily/chemical water barge will be coordinated by Project Team.
2.6.6 Opening, initial cleaning, and closing the following tanks have been covered by following TGI No(s)..
Fuel Receiving Tank Group-4 (5-220-4-F): TGI No. 38K4212321A01 (KTR TGI).
Fuel Expansion Seawater Overflow Tank Group-4 (5-254-2-F): TGI No. 38K4212329A01 (KTR TGI).
Oily Waste Holding Tank (5-220-2-F): TGI No. 38K4212319A01 (KTR TGI).
Cofferdam (5-254-4-V): TGI No. 38K4212342A01 (KTR TGI).
2.6.7 JCNs EE02-L041, ES01-NNY8, and ES01-NNY9 are related to this TGI.
2.7 Government Furnished Material (GFM)
2.7.1 SRF-JRMC will provide GFM listed in the Material List.
2.8 SRF-JRMC will provide the following service work: (TGI No. 38K4265405S02).
2.8.1 [C740] Crane and crane rigging service.
2.8.2 [X99E] Utility service, electrical.
2.8.3 [X99M] Utility service, including low pressure air supply, water supply, and steam supply.
2.8.4 [C106.1] Safety inspection for SRF-JRMC employees.
2.8.5 [C106.2] Gas free inspection for SRF-JRMC employees.
2.8.6 [C133] QA inspection for (G) symbol(s).
23-AUG-2025 1011
20.15.6.0.9333 (July 2025) (Continued) ICN: 38K4265405 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: STRUCT 4-220-0-E 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 - REPAIR STRUCTURAL MEMBER IN 4-220-0-E
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 DWG 180-7060484 FDN ARR DWG DSGN ZONE
2320 BKLT NO. 1
F Y 5E1
-6
4 DWG 531-7060593 DISTILLED WATER SYSTEM,
ZONE 2320
D Y 3C
5 DWG 622-7058590 FLOOR PLATES, GRATING &
HANDRAILS AUX MCHRY RM
NO.2 ARR, FAB & INSTL
C Y 3H, 5C
TASK NAME / TASK DESCRIPTION
SHOP/
TSD TS
SF
WC
CREW
# MHRS RWRK
2.1 LBR 160HRs, SFTR 32HRs 22/KE PC 1 192 N
2.2 WELD 82HRs, QA 8HRs, SFTR 96HRs, PNTR 38HRs, PFTR
48HRs, OMCH 16HRs, BLRM 64HRs
22/KE PC 1 352 N
2.3 PFTR 48HRs, PNTR 22HRs, WELD 14HRs, QA 4HRs 22/KE PC 1 88 N
2.4 BLRM 16HRs, WELD 6HRs, PNTR 22 HRs, QA 4HRs 22/KE PC 1 48 N
2.5 PNTR 32HRs, QA 10HRs 22/KE PC 1 42 N
Dewatering/Cleaning Work CFM: $3,604.47, marine chemist cost, misc and such as other consumable.
22/MQ CS 0 0 N
Structure and Preservation Work CFM: $6,375.06, all paints, copper grit including disposal cost, thinner, fire watch cost, confined space watch cost, enclosing/covering materials, and misc such as electrode, gases, and other consumable.
22/MQ CS 0 0 N
Piping Work CFM: $1,646.76 for firewatch cost, tank watch cost, covering material, argon gas, disposable coverall, plastic bag/sheet, tape, welding rod, gasket, paint, saw blade and misc.
22/MQ CS 0 0 N
Boiler Work CFM: $972.00, fire watch cost, electrode, paint, fasteners covering material and other consumable material (misc).
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
400 158 1 M ANGLE,STRUCTURAL, SIZE 2”
X 2” X 3/16” THK, MIL-S-22698,
GRADE AH-36
ORDERED FOR KTR
C234 K.AKASE 243-2372
9B 9520 002777318 NA 4 N 51825212 10/FT
MATERIAL REFERENCES
REF
NO.
DOCUMENT/DRAWING NUMBER DOCUMENT/DRAWING TITLE
REV
1 512-7059777 L
ICN: 38K4265405 KEY OP: A01
23-AUG-2025 1011
20.15.6.0.9333 (July 2025) (Continued) ICN: 38K4265405 KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: STRUCT 4-220-0-E 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 - REPAIR STRUCTURAL MEMBER IN 4-220-0-E
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
401 M ANGLE,STRUCTURAL, FOR
PIPE HANGER
ORIG: C234 S. YAMASHITA
070-7787-2035
ODERED FOR KTR
9B 9520 002775983 NA 4 N 52045039 3/FT
402 M PIPE HANGER, PIPE HANGER.
SIZE: 1"IPS X 12" LENGTH,
STEEL. LINER MATL: RUBBER
SYNTHETIC, 1/ 8" THK, STD
DWG:810-4714432
TYPE 38.
PREMIER COPPER P/N:
PH438200
ORIG: C234 S. YAMASHITA
070-7787-2035
ODERED FOR KTR
LL9307016 NA 4 N 2/EA
403 M COUPLING,TUBE, ORIG: C234
S. YAMASHITA 070-7787-2035
ODERED FOR KTR
9B 4730 007225477 NA 4 N 52045206 2/EA
404 M BACKING, ORIG: C234 S.
YAMASHITA 070-7787-2035
ODERED FOR KTR
9C 4730 LL4558792 NA 4 N 52047477 2/EA
ATTACHMENT LIST
TITLE FILE NAME SAVED DATE
ENCLOSURE-01 38K4265405A01-Engrg Inst.pdf 31-JUL-2025 0000 ENCLOSURE-02 38K4265405A01-Sketch-01.pdf 31-JUL-2025 0000 ENCLOSURE-03 38K4265405A01-Sketch-02.pdf 31-JUL-2025 0000
SUBJECT: REPAIR PLAN OF CORRODED FL PLATE SPRT IN AUX MCHRY RM NO.2
( 4-22O-O-E)
ICN: 38K4265405
JCN: ES01-NNY9
ORIGINATOR: C250 C. KINOSHITA
DA TE: 07/26/2025
REFERENCE:
( a) DDG51 CL-622-7058590 "c", FLOOR PLATES, GRATING & HANDRAILS AUX MCHRY RM N0.2
ARR, F AB & INSTL
NOTES:
1. THE PURPOSE OF THIS ENGINEERING INSTRUCTION IS TO PROVIDE REPAIR PLAN OF CORRODED
FLOOR PLATE SUPPORT IN AUXILIARY MACHINERY ROOM N0.2 (4-220-0-E) OF USS DEWEY
(DDG 105).
2. REMOVAL NOTE: EXISTING FLOOR PLATE SUPPORT WHICH IS RENEWED SHALL BE REMOVED WITH
SAME DIMENSIONS SHOWN ON INSTALLATION PLANS.
3. WELDING AND INSPECTION FOR STEEL MATERIALS SHALL BE CONDUCTED IN ACCORDANCE WITH
NAVSEA STD ITEM N0.009-012.
4. FOR INFORMATION OF FLOOR PLATE SUPPORT NOT SHOWN ON THIS INSTRUCTION, SEE REF ( a).
ENGRG INST
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