38JC212333A01_c0v0TGI.pdf
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- Solicitation number
- N6264925RA009
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This is a Task Group Instruction (TGI) for maintenance work on the USS HOWARD (DDG-83) fuel tank system. The document details requirements for cleaning, assessing, repairing, and preserving Fuel Tank Group-2 (5-174-4-F) and associated components.
The work includes dewatering five fuel tanks with a total capacity of 70,684 gallons, conducting structural and coating assessments, performing Level III cleaning, repairing deteriorated welds and plates, and preserving surfaces. Specific repair work includes vee-out and welding of one linear foot of deteriorated welds, base metal weld buildup of 31 square inches of plate defects, and installation of one square foot of new plate. The work affects fire zone boundaries and requires non-flammable closures. The period of performance is April 7, 2025 through July 14, 2025. The work will be performed at dry dock with support services provided by SRF-JRMC including crane operations, utilities, safety inspections, and quality assurance. The TGI requires compliance with multiple technical references and includes specific documentation requirements for assessments and repairs.
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FOUO
FOUO: Public availability to be determined under 5 USC 552
TASK GROUP INSTRUCTION
AIM REV 20.11.4.0 (OCTOBER 2020)
TGI COMPONENT NAME: TYPE: PHASE: REPEAT: CHANGE:
NO.: FO TK 5-174-4-F AY A 0 0
SHIP/HULL NO.: SHIP/HULL NAME: SYSTEM: PROJ/WO NO: CASREP CAT:
DDG-83 USS HOWARD JC2
CU PHASE TITLE:
F/O - CLEAN, ASSESS, REPAIR, AND PRESERVE FUEL TANK GROUP-2 (5-174-4-F)
PREPARING ACTIVITY:
PREPARED BY: CODE PHONE DATE
KOUKI YOSHIDA 231B. 315-243-0163 04-APR-2024
APPROVED BY: CODE PHONE DATE
RYOUTA TAKAGI 231B. 315-243-4502 04-APR-2024
CONCURRED BY: CODE PHONE DATE
CONCURRED BY: CODE PHONE DATE
CONCURRED BY: CODE PHONE DATE
CONCURRED BY: CODE PHONE DATE
REASON FOR WORK/NEED FOR CHANGE:
CHANGE INSTRUCTIONS:
SPECIAL REQUIREMENTS:
SURFMEPP
This work Affects a fire zone boundary. Fabrication and/or staging of a non-flammable closure is required.
CLEANLINESS FOR PIPING SYSTEM/EQUIPMENT LEVEL III
WORK CERTIFICATION SIGNATURES
COMPLETION OF WORK REVIEW: BADGE NO.: SHOP/CODE: PHONE: DATE:
ACCEPTANCE OF COMPLETED WORK
PHYSICAL INSPECTION PHYSICAL INSPECTION COMPLETED: BADGE NO.: SHOP/CODE: PHONE: DATE:
REQUIRED:☐YES ☒NO
RECORDS REVIEW: BADGE NO.: SHOP/CODE: PHONE: DATE:
TGI NO.: FO TK 5-174-4-F AY A 0
FOUO
SHIP: DDG-83 CHG/VER: 0/0
LIST OF EFFECTIVE PAGES
SHT NO. CHG NO. SHT NO. CHG NO. SHT NO. CHG NO. SHT NO. CHG NO. SHT NO. CHG NO.
1-6 J1-2 M-1
1. SCOPE/PURPOSE
1.1 Title: Fuel Tank Group-2 (5-174-4-F); clean, assess, repair, and preserve
1.2 Location of Work:
1.2.1 Fuel Tank Group-2 (5-174-4-F)
1.2.2 Crew Baggage Room No. One (3-78-2-A)
1.2.3 Crew Living Space No. 2 (3-97-02-L)
1.2.4 Auxiliary Machinery Room No. One (4-126-0-E)
1.2.5 Engine Room No. One (4-174-0-E)
1.3 Identification:
1.3.1 Quantity (One EA), Fuel Tank Group-2
Tank No.: 5-174-4-F Capacity: 21,271 Gallons
1.3.2 Quantity (One Lot/5 Tanks), Fuel Tank Group-2
Total Capacity: 70,684 Gallons Required amount of water to dewater: 44,000 Gallons
1.3.2.1 Fuel Receiving Tank Group-2
Tank No.: 4-78-2-F Capacity: 11,805 Gallons
1.3.2.2 Fuel Tank Group-2
Tank No.: 5-78-2-F Capacity: 16,152 Gallons
1.3.2.3 Fuel Tank Group-2
Tank No.: 5-126-2-F Capacity: 19,259 Gallons
1.3.2.4 Fuel Tank Group-2
Tank No.: 5-174-4-F Capacity: 21,271 Gallons
1.3.2.5 Fuel Expansion Seawater Overflow Tank Group-2
Tank No.: 5-212-4-F Capacity: 2,197 Gallons
1.3.3 Quantity (2 EA), Manhole Cover Plate(s) for 5-174-4-F
Manhole No(s).: 4-187-2
FOUO
SHIP: DDG-83 CHG/VER: 0/0
Size: 15 Inches x 23 Inches Manhole No(s).: 4-199-2 Size: 15 Inches x 18 Inches Material: Steel
1.3.4 Quantity (2 EA), Bolting Ring for Manhole Cover Plate(s) for 5-174-4-F Manhole No(s).: 4-187-2 and 4-199-2 Material: Steel
1.4 Security Classification: None.
1.5 Initial Condition:
1.5.1 Dry Dock Work
1.6 Contractor work start date:
1.7 Contractor work completion date:
2. REFERENCES:
REF.
NO.
DOCUMENT
/DRAWING
NUMBER
DOCUMENT/DRAWING TITLE REV CHG
NO.
COPY
REQ’D
(Y/N)
SOURCE
DOC
(Y/N)
PARA SEC PG CHP
1 NSI FY-25 NAVSEA Standard Items - ORG N 2 LI FY-25 Local Standard Items - ORG N
3 TM T-9630-
AB-MMD-
Corrosion Control Assessment and Maintenance Manual (CCAMM)
3 N
4 TM NAVSEA
4790/14
Tank and Void Structural and Coating Condition Survey (MRC G1N5)
- N
5 DWG 633-
6567062
Installation of Cathodic Protection & Zinc Anode
AB Y SE
E N
OT
E
6 TM S9086-
CJ-STM-
010/CH-075
Fasteners 7 N
7 DWG 100-
7026682
UNIT STRL ARR DWG ASSY UNIT
J Y SE
E N
OT
E
8 DWG 100-
7026687
UNIT STRL ARR DWG ASSY UNIT
F Y SE
E N
OT
E
3. APPENDICES:
3.1. Appendix “J” TGI Job Summary Information Sheet
3.2. Appendix "M" TGI Material List
3.3. Appendix “D” Deficiency Form
4. GENERAL REQUIREMENTS:
4/7/2025
7/14/2025
C1209.3 Shimizu, 11120180, SS, 4/30/2024
Shinya.Shimizu.ja Line
FOUO
SHIP: DDG-83 CHG/VER: 0/0
4.1 Not Applicable.
5. PROCEDURE:
5.1 Accomplish the requirements of 099-902YO of 2.2 for each tank listed in 1.3.1.
5.1.1 Dewater each tank listed in 1.3.2.
5.1.2 Accomplish an assessment of each tank listed in 1.3.1 for existing preservation coating, structural integrity, deterioration, pitting, cracks, and areas of damage or distortion, including sounding tubes, tank/void vents, overflows, piping and associated material, structural members, ladders, anodes, desiccant, tank level indicator (TLI), radar TLI, and their electric cables, stud, and tank top cable penetration, and manhole covers in accordance with 2.3 and 2.4, using 2.5 for guidance. Document the assessment on 2.4.
(I) “CCIMS ASSESSMENT”
5.1.2.1 Mark each corroded, damaged and/or deteriorated coating area in each tank.
5.1.2.2 Submit one legible copy, in hard copy, or approved transferrable media, of completed assessment form 2.4 and a report with a sketch listing results of the requirements of 5.1.2.1 to the SUPERVISOR.
5.1.3 Accomplish the requirements of 009-107 of 2.1.
5.1.3.1 Ensure General Cleaning must be Level III.
5.1.4 Accomplish installation of each manhole cover for each tank listed in 1.3.1 in accordance with Figure 075-4-1 of 2.6.
5.2 Repair each tank listed in 1.3.1, based on the report 5.1.2.2 as designated by the SUPERVISOR, using 2.7 and
2.8 for guidance. See 5.7.4 and 5.7.5.
5.2.1 Vee-out and weld a total of one linear feet of each deteriorated and damaged weld. Each area of repair may include deck, bulkhead, shell plating, and overhead.
5.2.2 Chip and grind each surface flush in way of each repair.
5.2.3 Base metal weld buildup a total of 31 square inches of each plate defect in the tank.
5.2.3.1 For bidding purposes the base metal weld buildup must be one quarter inch thick.
5.2.3.2 Surface must be ground to sound metal prior to base metal weld buildup.
5.2.3.3 Fill each local pit and groove with weld material prior to application of each principal buildup layer.
5.2.3.4 Grind each surface of completed base metal weld buildup smooth if greater than 1/8 inch above plate surface.
5.2.4 Remove existing, fabricate, and install new a total of one square feet of deteriorated plate.
5.2.5 Remove existing, fabricate and install new a total of one linear feet of defective stiffener.
5.2.6 Accomplish the requirements of 009-12 of 2.1, including Table 2, Column(s) A and B , Lines One through 7.
5.2.6.1 Accomplish nondestructive testing in accordance with Line 11.
FOUO
SHIP: DDG-83 CHG/VER: 0/0
5.2.7 Accomplish the requirements of 009-25 of 2.1 for an air hose, water hose, or vacuum box test of each new insert weld seam. Allowable leakage: None.
5.3 Accomplish the requirements of 009-32 of 2.1, including Table 4, Line(s) 11, for tank side surface, and Table 3, Line(s) 12, for machinery space side surface of each cover plate listed in 1.3.3.
5.4 Accomplish the requirements of 009-32 of 2.1 for each bolting ring listed in 1.3.4.
5.5 Accomplish the requirements of 009-32 of 2.1, including Table 4, Line(s) 11, for a total of 571 square feet of defective painted surfaces, for each tank listed in 1.3.1, as designated by the SUPERVISOR.
5.5.1 The preservation area must not exceed 10 square feet per one area.
5.6 Accomplish the requirements of 009-32 of 2.1 for each new and disturbed surface.
5.7 Notes:
5.7.1 Planner: Code 231B K. Yoshida, 243-0163
5.7.2 Work Integration Manager (WIM): Code 333 T. Yaginuma, 080-5419-0598
5.7.3 This TGI meets the intent of DDG CSWT File Nos. 123-133, 123-142, and 123-143.
5.7.4 Removal and installation of interferences, and gas free operation, preservation of boundary spaces relating to front loading structure repair are not included in this TGI. They will be covered by a DL in the future based on Contractor submitted condition report.
5.7.5 Materials for structure members relating to front loading repair will be provided in the future as a DL based on Contractor submitted condition report.
5.7.6 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.
5.7.7 2.4 is available on P:\C200\C225\Enclosures\C231\Tank and Void Structural and Coating Condition Survey
(MRC G1N5).
5.7.8 WPC will copy the following pages in reference.
REF. 2.5: Pages 4A, 3C, and 11A9
REF. 2.7: Pages 3, 4, 4A, 4B, 4C, 4D, 4E, 5, 5A, 5B, 5C, 7, and 9-2
REF. 2.8: Pages 3, 4C, 4D, 5, and 9-2
5.7.9 JCNs EB14-ZBT6, EB14-ZBX8, EB14-ZC01, and ER01-ZAQ5 are related to this TGI.
5.8 Government Furnished Material (GFM): None.
5.9 SRF-JRMC will provide the following service work: (TGI No. 38JC212333S02).
5.9.1 [C740] Crane and crane rigging service.
FOUO
SHIP: DDG-83 CHG/VER: 0/0
5.9.2 [X99E] Utility service, electrical.
5.9.3 [X99M] Utility service, including low pressure air supply, water supply, and steam supply.
5.9.4 [C106.1] Safety inspection for SRF-JRMC employees.
5.9.5 [C106.2] Gas free inspection for SRF-JRMC employees.
5.9.6 [C133] QA inspection for (G) symbol(s) and Surface Corrosion Control Information Management System (CCIMS) entry.
5.9.7 [C135] QA inspection for (G) symbol(s).
5.9.8 [C250] Technical support and process of the tank/void assessment results.
FOUO
M-1
SHIP: DDG-83 CHG/VER: 0/0
APPENDIX “M”
TGI MATERIAL LIST
SYSTEM: PLANT NO.: COMPONENT NAME: TYPE: PHASE: REPEAT: CU PH
VERSION:
CASREP
CAT:
FO TK 5-174-4-F AY A 0 0
CU PHASE TITLE:
F/O - CLEAN, ASSESS, REPAIR, AND PRESERVE FUEL TANK GROUP-2 (5-174-4-F)
MATERIAL REFERENCES
REF
NO.
DOCUMENT/DRAWING
NUMBER
DOCUMENT/DRAWING TITLE REV
JOB ORDER: KEY OP:
38JC212333 A01
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
NOTES:
FOUO: Public availability to be determined under 5 USC 552 SHEET_____OF_____
☐ NUCLEAR APPENDIX "D"
DEFICIENCY FORM
☐ NON-NUCLEAR
1. SHIP/HULL NO.: 2a. DL or DR No.
(Circle One)
2b. REVISION: 3a. COMPONENT NAME: 3b. TYPE: 3c. PHASE: 3d. REPEAT:
DDG-83 FO TK 5-174-4-F AY A 0
4a. ICN: 4b. KEY OP: 5. LOC SPACE/LVL: FRAME: P/S/C: 6. CAUSED BY:
38JC212333 A01
7. DESCRIPTION:
8. ORIGINATOR: NAME: BADGE: SHOP/CODE: DATE: PHONE NO.:
9. CORRECTIVE ACTION:
10. EVALUATOR: NAME: BADGE: SHOP/CODE: DATE: PHONE NO.:
FOR NON-NUCLEAR USE ONLY
11. RFD/RFW REQ’D ☐ LAR REQ'D ☐
ILS MOD REQ’D ☐
SRD/PLAN REV REQ'D ☐
DWG NO.: _____________________ S/A NO.: ___________________
12. ISOLATION SIGN: BADGE: SHOP/CODE: DATE: PHONE NO.:
SATISFACTORY:
13. SUBSAFE OQE RECORD? SIGN: BADGE: SHOP/CODE: DATE: PHONE NO.
YES ☐ NO ☐
14. CORRECTIVE ACTION SIGN: BADGE: SHOP/CODE: DATE: PHONE NO.
COMPLETE:
15. INSPECTION REQ’D? INSPECTION COMPLETE/SIGN: BADGE: SHOP/CODE: DATE: PHONE NO.
_________:YES ☐ NO ☐
16. RECORDS REVIEW SIGN: BADGE: SHOP/CODE: DATE: PHONE NO.
COMPLETE (DR ONLY)
DL’s ISSUED
(DR ONLY)
FOUO: Public availability to be determined under 5 USC 552 SHEET_____OF_____
☐ NUCLEAR Deficiency Form Continuation Sheet ☐ NON-NUCLEAR
1. SHIP/HULL NO.: 2a. DL or DR No.
(Circle One) 2b. REVISION: 3a. COMPONENT NAME: 3b. TYPE: 3c. PHASE: 3d. REPEAT:
DDG-83 FO TK 5-174-4-F AY A 0
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