TGI 38JC2123ANA01 rev1.pdf
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- N6264925RA007
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This is a Task Group Instruction (TGI) for inspection and preservation work to be performed on the USS HOWARD (DDG-83) in the Air Conditioning Machinery and Pump Room. The work involves inspecting and preserving interior surfaces across 540 SF of tank top plating and 480 SF of shell plating in compartment 5-300-01-E, including two bilge drain wells on port and starboard sides.
The scope includes ultrasonic thickness measurements on specified areas using a 12-inch grid pattern, cleaning and drying spaces, and preservation requirements per reference 009-32. The work period is from April 7, 2025 to September 3, 2025 and will be performed at Yokosuka Naval Base. The TGI details specific material requirements including insulation, tape, adhesive, and stud caps, with precise measurements and locations for inspection points provided in the attached assessment form diagrams. The work requires consideration of potential asbestos hazards and involves critical coated areas designated as CCNY-DDG83-032-25.
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Text version
FOUO
WebAIM Short Form TASK GROUP INSTRUCTION
03-SEP-2024 1324
20.14.15.0.8998 (August 2024) ICN: 38JC2123AN KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: CMPT 5-300-01-E MS A 0 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
DDG-83 USS HOWARD JC2 13011
CU PHASE TITLE: *F/O - INSPECT AND PSV INTR SURFACE OF AC MCHRY AND PUMP ROOM (5-300-01-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
ES01NP59
PREPARING ACTIVITY: STATUS: APP WORKING STATUS:
PREPARED BY: CODE: PHONE: DATE:
HAGA, MASAMICHI 231B 3152432513 26-AUG-2024
APPROVED BY: CODE: PHONE: DATE:
NAKANO, SEIICHI 231B 3152434519 26-AUG-2024
CONCURRED BY: CODE: PHONE: DATE:
REASON FOR WORK/NEED FOR CHANGE:
JCN:
ES01-NP59
SPECIAL REQUIREMENTS:
CU PHASE DESCRIPTION:
ZONE MANAGER: ZONE: COMPARTMENT: LEVEL: FRAME: SIDE:
YAGINUMA, TAKEHIDE 5-300-01-E 5 U
JOB SUMMARY ID: TOT MAN HR.: TOT DUR: TOT JML COST: PLANNING ACCEPTANCE:
123A41AN
1 SCOPE/PURPOSE:
1.1 Title: Interior Surface of Air Conditioning Machinery and Pump Room (5-300-01-E); inspect and preserve
1.2 Location of Work:
1.2.1 Air Conditioning Machinery and Pump Room (5-300-01-E)
1.3 Identification:
1.3.1 Quantity (540 SF), Tank Top Plating in 5-300-01-E, between Frames 308 and 338, and Longitudinals 4P and 4S, Port and Starboard (Stbd)
Reading Point: 12 Inches x 12 Inches Grid Pattern Remarks: See Ref. No. 5 and Ref. No. 6 for base material.
1.3.2 Quantity (480 SF in Total), Shell Plating in 5-300-01-E, Port and Stbd
TGI Short Form
03-SEP-2024 1324
20.14.15.0.8998 (August 2024) (Continued) ICN: 38JC2123AN KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: CMPT 5-300-01-E MS A 0 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
DDG-83 USS HOWARD JC2 13011
CU PHASE TITLE: *F/O - INSPECT AND PSV INTR SURFACE OF AC MCHRY AND PUMP ROOM (5-300-01-E)
FOUO Pg 2 of 5
CU PHASE DESCRIPTION (Cont.)
Reading Point: 12 Inches x 12 Inches Grid Pattern Remarks: The area excepts structural shapes.
1.3.2.1 Quantity (265 SF), Shell Plating, between Frames 300 and 338, and Longitudinals 4S and 8S, Stbd
Remarks: See Ref. No. 5 and Ref. No. 6 for base material.
1.3.2.2 Quantity (215 SF), Shell Plating, between Frames 314 and 338, and Longitudinals 4P and 8P, Port
Remarks: See Ref. No. 6 for base material.
1.3.3 Quantity (2 EA), Bilge Drain Well in 5-300-01-E, Port and Stbd
Reading Point: 6 Inches x 6 Inches Grid Pattern, including beneath the bottom of suction piping(s)
1.3.3.1 Quantity (One EA), Forward Blige Drain Well, between Frames 300 and 302, and Longitudinals 4S and 5S, Stbd
Remarks: See Ref. No. 5 and Ref. No. 6 for base material, and Sheet One of Sketch Enclosure-01 for detail.
1.3.3.2 Quantity (One EA), Aft Blige Drain Well, between Frames 314 and 317, and Longitudinals 4P and 5P, Port
Remarks: See Ref. No. 6 for base material, and Sheet 2 of Sketch Enclosure-01 for detail.
1.3.4 Quantity (1,500 SF), Interior Surface of 5-300-01-E, between Frames 300 and 338, and Longitudinals No. 8P and No. 8S, Port and Stbd
Remarks: The areas are tank top plating, tank top longitudinals 4P and 4S, shell plating, and bilge drain well, including vertical surface up to height of 6 inches from tank top plating and shell plating.
1.4 Security Classification: None.
1.5 Initial Condition:
1.5.1 Critical Coated Area: CCNY-DDG83-032-25 for the area listed in 1.3.4.
1.5.2 Potential Asbestos Hazard.
1.6 Contractor work start date: 4/7/2025
1.7 Contractor work completion date: 9/3/2025
2. PROCEDURE:
2.1 Pump out, clean and dry each space located in 1.2.1 free from oil, debris, and other foreign matter.
2.2 Accomplish ultrasonic thickness measurement (UTM) on each area listed in 1.3.1 through 1.3.3 in accordance with Paragraph 6.7 of Ref. No. 3 and Ref. No. 4, using Ref. No. 5 and Ref. No. 6 for guidance.
03-SEP-2024 1324
20.14.15.0.8998 (August 2024) (Continued) ICN: 38JC2123AN KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: CMPT 5-300-01-E MS A 0 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
DDG-83 USS HOWARD JC2 13011
CU PHASE TITLE: *F/O - INSPECT AND PSV INTR SURFACE OF AC MCHRY AND PUMP ROOM (5-300-01-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
2.2.1 Submit one legible copy, in hard copy or approved transferrable media, of a report listing results of the requirements of 2.2 to the SUPERVISOR.
2.3 Accomplish the requirements of 009-32 of Ref. No. One, including Table 3, Line(s) 13, for each area listed in 1.3.4.
2.3.1 Submit one legible copy, in hard copy or approved transferrable media, of a report identifying inaccessible area(s) with mapping plan and recommended preservation plan for the area to the SUPERVISOR within 3 working days ship check becomes possible after contracting.
2.4 Notes:
2.4.1 Planner: Code 231B M. Haga, 243-2513
2.4.2 Work Integration Manager (WIM): Code 333 T. Yaginuma, 080-5419-0598
2.4.3 Provision of oily/chemical water barge will be coordinated by Project Team.
2.4.4 This TGI is in response to CCIMS report No. CCIMS-G1N6-DDG83-045-24 from TGI No. 38JCA11010I01.
2.4.5 WPC will copy the following pages in reference.
REF. No. 5: Pages 4A, 4B, 5C, and 9-2.
REF. No. 6: Pages 3, 4B, 5, 9-2, and 9A.
2.4.6 JCN ES01-NP59 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. 38JC2123ANS02)
2.6.1 [C740] Crane and crane rigging service.
2.6.2 [X99E] Utility service, electrical.
2.6.3 [X99M] Utility service, including
03-SEP-2024 1324
20.14.15.0.8998 (August 2024) (Continued) ICN: 38JC2123AN KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: CMPT 5-300-01-E MS A 0 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
DDG-83 USS HOWARD JC2 13011
CU PHASE TITLE: *F/O - INSPECT AND PSV INTR SURFACE OF AC MCHRY AND PUMP ROOM (5-300-01-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-25 NAVSEA Standard Items - ORG N 2 LI FY-25 Local Standard Items - ORG N
3 TM T9074-AS-GIB-
010/271 Requirements for Nondestructive Testing Methods
1 N
4 TM S9086-DA-STM-
010/CH-100
Hull Structures 4 N
5 DWG 100-7026413 UNIT STRL ARR DWG ASSY
UNIT 2410
J Y SE
E
NO
TE
6 DWG 100-7026414 UNIT STRL ARR DWG ASSY
UNIT 3110
G Y SE
E
NO
TE
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 INSULATION, ACOUSTIC,
MATERIAL ORDER FOR KTR
ORIG: C231B M.HAGA 243-2513
9Q 5640 LL4808709 NA 4 N 10/SH
002 M INSULATION, ACOUSTIC,
MATERIAL ORDER FOR KTR
ORIG: C231B M.HAGA 243-2513
9Q 5640 LL4808710 NA 4 N 5/SH
003 M TAPE,TEX, MATERIAL ORDER
FOR KTR
ORIG: C231B M.HAGA 243-2513
9B 8315 002671632 NA 4 N 42435070 1/RO
004 M TAPE,TEX, MATERIAL ORDER
FOR KTR
ORIG: C231B M.HAGA 243-2513
9B 8315 002671633 NA 4 N 42435071 1/RO
MATERIAL REFERENCES
REF
NO.
DOCUMENT/DRAWING NUMBER DOCUMENT/DRAWING TITLE
REV
ICN: 38JC2123AN KEY OP: A01
03-SEP-2024 1324
20.14.15.0.8998 (August 2024) (Continued) ICN: 38JC2123AN KeyOp: A01
COMPONENT NAME: TYPE: PHASE: REPEAT: CHG/VER:TGI NO: CMPT 5-300-01-E MS A 0 0/0
SHIP/HULL NO: SHIP/HULL NAME: PROJECT: SYSTEM: PLANT ID: CASREP CAT:
DDG-83 USS HOWARD JC2 13011
CU PHASE TITLE: *F/O - INSPECT AND PSV INTR SURFACE OF AC MCHRY AND PUMP ROOM (5-300-01-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
005 M ADHESIVE, MATERIAL ORDER
FOR KTR
ORIG: C231B M.HAGA 243-2513
9B 8040 002738708 NA 4 Y 42435075 1/GL
006 M CAP, STUD, 3/16"DIA,
MATERIAL ORDER FOR KTR
CAP, STUD, MATL: CRES 304,
HD DIA: 1-1/16",
USE FOR 3/16"DIA STUD,
USE FOR NAVY ANNULAR
RING STUDS, 3/16"DIA,
USE FOR HULL THERMAL
INSULATION
ORIG: C231B M.HAGA 243-2513
9Z 5340 LL4945008 NA 4 N 50/EA
ATTACHMENT LIST
TITLE FILE NAME SAVED DATE
ENCLOSURE-01 38JC2123ANA01-Sketch.pdf 26-AUG-2024 0000
Sketch
38JC2123ANA01 ENCLOSURE-01 Sheet 1 of 2
Sketch 38JC2123ANA01 ENCLOSURE-01 Sheet 2 of 2
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