TGI_38HVC16702_A02_c0v0.pdf
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- N6264926RA041
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This is a Task Group Instruction (TGI) document for naval ship repair work on the USS YR-85 (YR-class vessel), prepared by the Naval Sea Systems Command on March 28, 2026. The instruction details the repair and replacement of watertight hatch 01-33-0, located on the 01 Level Deck Weather between frames 33 and 42 (port and starboard). The work involves removal of the existing corroded raised watertight hatch and fabrication/installation of new components including a hatch panel plate (8 feet x 16 feet steel), panel frame, four hatch guides, four padeyes with landing pads, 26 dog pads with base plates, 26 dog lugs (13 left-hand and 13 right-hand, CRES 304 stainless steel), dog bolt assemblies, a wrench clip assembly, and a label plate. All new components must be fabricated in accordance with specified drawings and material standards, including OS MIL-S-22698 GR-A steel.
The procedure requires removal of existing hatch components, fabrication of replacement parts per technical drawings 805-1624075, 805-1624072, and 805-1624071, and reinstallation with near-white blast cleaning and haze gray painting (SAE color 26270, MIL-PRF-24635 Type V Grade B at 5-8 mils). Critical testing includes air hose leak tests (zero leakage allowable) for all new welds and gasket mating areas, chalk tests, and operational testing to ensure unobstructed hatch operation with 100 percent centered contact on the gasket. The work must include fabrication and installation of a nonflammable closure per COMNAVSEASYSCOM requirements due to the work affecting fire zone boundaries. Government-furnished materials and support services including crane rigging, utilities, safety inspections, gas-free inspections, and QA inspections are provided by SRF-JRMC under related service work number 38HVC16702S02. Point of contact for planning is Code 231A T. Oouchi, with engineering support from Code 250.
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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.: HATCH 01-37-0 HA A 1 0
SHIP/HULL NO.: SHIP/HULL NAME: SYSTEM: PROJ/WO NO: CASREP CAT:
YR-85 YR 85 16711 HVC
CU PHASE TITLE:
F/O - REPAIR WATERTIGHT HATCH 01-33-0
PREPARING ACTIVITY:
PREPARED BY: CODE PHONE DATE
TAKUYA OOUCHI 231A. 315-243-6803 28-MAR-2026
APPROVED BY: CODE PHONE DATE
YUUJI NAKAMURA 231A. 315-243-6041 28-MAR-2026
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:
This work affects a fire zone boundary. Fabrication and/or staging of a non-flammable closure is required.
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.: HATCH 01-37-0 HA A 1
FOUO
SHIP: YR-85 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 M1-3
1. SCOPE/PURPOSE
1.1 Title: Watertight Hatch 01-33-0; repair
1.2 Location of Work:
1.2.1 01 Level Deck Weather, Frames between 33 and 42, Port and Starboard (Stbd)
1.2.2 Pipefitter, Sheetmetal, Shipfitter Shop (1-18-0-Q)
1.3 Identification:
1.3.1 Quantity (One EA), Hatch, Watertight
Hatch No.: 01-33-0 Size: 8 Feet x 16 Feet Material: Steel Remarks: See 2.3 for details.
1.3.1.1 Quantity (One Lot), Hatch Panel Plate, including panel frame, dog sleeves, dog wedges, and padeye with landing pads (Existing)
Remarks: See Sheets 5 and 6 of 2.3 for material and details.
1.3.1.2 Quantity (4 EA), Guide for Hatch Panel (Existing)
Material: Steel Remarks: See Sheets 5 and 7 of 2.3 for details.
1.3.1.3 Quantity (One Lot), Hatch Panel Plate
Material: OS, MIL-S-22698 GR-A, 10.2 LBs Plate Remarks: See Sheets 5 and 7 of 2.3 for details.
1.3.1.4 Quantity (One Lot), Panel Frame
Material: Steel, 1-1/4 Inches x 1/4 Inch Thickness Flat Bar, Fabricated from OS, MIL-S-22698 GR-A, 10.2 LBs Plate Remarks: See Sheets 6 and 8 of 2.3 for details.
1.3.1.5 Quantity (4 EA), Padeye with Landing Pad
Material:
Padeye; OS, MIL-S-22698 GR-A, 25.5 LBs Plate Landing pad; OS, MIL-S-22698 GR-A, 20.4 LBs Plate Remarks: See 2.3 and 2.4 for details.
1.3.1.6 Quantity (26 EA), Dog Pad with Base Plate of Watertight Hatch 01-33-0
FOUO
SHIP: YR-85 CHG/VER: 0/0
Material:
Dog Pad; Steel Base Plate: OS, MIL-S-22698 GR-A, 15.3 LBs Plate Remarks: See Sheet 8 of 2.3 for details.
1.3.1.7 Quantity (13 EA), Dog Lug, LH
Material: CRES 304 Remarks: See Sheets 7 and 8 of 2.3, 2.5, and 2.7 for details.
1.3.1.8 Quantity (13 EA), Dog Lug, RH
Material: CRES 304 Remarks: See Sheets 7 and 8 of 2.3, 2.5, and 2.7 for details.
1.3.1.9 Quantity (26 AY), Dog Bolt Assembly of Watertight Hatch 01-33-0
Remarks: See Sheet 8 of 2.3, 2.5, and 2.7 for material and details.
1.3.2 Quantity (One AY), Wrench Clip Assembly for Watertight Hatch 01-33-0, including Wrench
Material:
Wrench Clip; Steel, ASTM A1011, 0.125 Inch Thickness Sheet Wrench; Steel Remarks: See Sheet 7 of 2.3, 2.5, and 2.6 for details.
1.3.3 Quantity (One EA), Label Plate, Watertight Hatch, Exterior
Material: CRES 316L, ASTM A240, 0.125 Inch Thickness Sheet Remarks: See Sheet 9 of 2.3 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. 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-26 NAVSEA Standard Items - 1 N 2 LI FY-26 Local Standard Items - ORG N
3 PDD 123-
ELM-250151
REPAIR PLAN OF CORRODED
RAISED WTRTT HATCH (01-33-0)
- Y AL
L
4 DWG 123-
7579807
HATCH COVER LIFTING MODS
(01-37-0)
- Y AL
L
FOUO
SHIP: YR-85 CHG/VER: 0/0
REF.
NO.
DOCUMENT
/DRAWING
NUMBER
DOCUMENT/DRAWING TITLE REV CHG
NO.
COPY
REQ’D
(Y/N)
SOURCE
DOC
(Y/N)
PARA SEC PG CHP
5 DWG 805-
1624075
HATCH W.T. RAISED
INDIVIDUALLY DOGGED 30" x 60"
W/O SCUTTLE 5 & 15 P.S.I.
ARRMT
F N
6 DWG 805-
1624072
HATCH W.T. RAISED
INDIVIDUALLY DOGGED MISC
DETAILS
C N
7 DWG 805-
1624071
HATCH W.T. RAISED
INDIVIDUALLY DOGGED DOG,
HINGE, BRACE, & MISC DETAILS
D N
8 TM
SYSTEMS &
SPECIFICAT
IONS
SSPC Painting Manual Volume 2 - N
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:
4.1 Not Applicable.
5. PROCEDURE:
5.1 Remove existing hatch panel of each hatch listed in 1.3.1, using 2.3 for guidance.
5.1.1 Disassemble dog assembly.
5.1.2 Remove existing gasket and label plate of each hatch.
5.2 Remove existing hatch panel plate and guide listed in 1.3.1.1 and 1.3.1.2 in accordance with 2.3, using 2.4 for guidance.
5.2.1 Prepare and retain removed each guide listed in 1.3.1.2 for reinstallation.
5.3 Fabricate new each hatch panel plate, panel frame, padeye, dog pad, and wrench clip assembly listed in 1.3.1.3 through 1.3.1.6, and 1.3.2 in accordance with 2.3 through 2.6.
5.4 Install each new hatch panel plate, panel frame, padeye, dog pad, dog lug, dog bolt assembly, and wrench clip assembly listed in 1.3.1.3 through 1.3.1.9, and 1.3.2 in accordance with 2.3 through 2.7.
5.4.1 Reinstall each guide listed in 1.3.1.2 in accordance with 2.3.
5.4.2 Accomplish the requirements of 009-012 of 2.1, including Table 4, Column(s) A and D, Lines One through 7.
5.4.3 Accomplish the requirements of 009-025 of 2.1 for a local air hose test of each new weld of each hatch panel plate and panel frame listed in 1.3.1.3 and 1.3.1.4. Allowable leakage: None.
5.5 Accomplish the requirements of 009-032 of 2.1, including Table 2, Line(s) One, for exterior surfaces and Table 3, Line(s) 25, for interior surfaces of hatch panel of each hatch listed in 1.3.1. The top coat of exterior surfaces must be haze gray, color No. 26270 (SAE-AMS-STD-595), conforming to MIL-PRF-24635, Type V, Grade B at 5 to 8 mils.
------------------------------------------------------------------------------ Rose, Aaron J. C1209.4
FOUO
SHIP: YR-85 CHG/VER: 0/0
5.5.1 Near-white blast clean for each hatch panel. Accomplish each requirement of Surface Preparation Specification SSPC-SP 10 of 2.8.
5.6 Prepare and align hatch panel of each hatch listed in 1.3.1 for reinstallation in accordance with 2.3, using 2.6 for guidance.
5.6.1 Fabricate and install new gasket conforming to MIL-PRF-900.
5.7 Reinstall hatch panel of each hatch listed in 1.3.1, using 2.3 for guidance.
5.7.1 Lubricate each dogging mechanisms.
5.7.2 Adjust each dogging mechanism for unobstructed operation and to obtain 100 percent centered contact with the imprint of chalk in the center three-fifths of the gasket.
5.8 Accomplish the requirements of 009-025 of 2.1 for a chalk test of each hatch listed in 1.3.1.
5.9 Accomplish the requirements of 009-025 of 2.1 for a local air hose test of hatch panel gasket and knife edge mating area of each hatch listed in 1.3.1. Allowable leakage: None.
5.10 Accomplish an operational test of each hatch listed in 1.3.1 to assure unobstructed operation. Allowable sticking or binding: None.
(V)(G) “OPERATION TEST”
5.11 Fabricate and install new each label plate listed in 1.3.3 in accordance with 2.3.
5.11.1 Accomplish the requirements of 009-012 of 2.1, including Table 4, Column(s) D, Lines One through 7.
5.12 Accomplish the requirements of 009-032 of 2.1 for each new and disturbed surface.
5.13 Notes:
5.13.1 Planner: Code 231A T. Oouchi, 243-6803
Engineer: Sode 250 Y. Seimiya, 243-0091 Engineer: Code 250 Y. Gouriki, 243-4179
5.13.2 Work Integration Manager (WIM): Code 312, Dean Vanderwege, 243-3199
5.13.3 This TGI is in response to condition report No. NNR 41016-1-03-R2 from TGI. No. 38Y8H16701A01.
5.13.4 This TGI clears DFS YR-85-1001-2024 in its entirety.
5.13.5 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.
5.13.6 JCN Y852-4031 is related to this TGI.
5.14 Government Furnished Material (GFM):
5.14.1 SRF-JRMC will provide GFM listed in Appendix “M”.
FOUO
SHIP: YR-85 CHG/VER: 0/0
5.15 SRF-JRMC will provide the following service work: (TGI No. 38HVC16702S02).
5.15.1 [C740] Crane and crane rigging service.
5.15.2 [X99E] Utility service, electrical.
5.15.3 [X99M] Utility service, including low pressure air supply, water supply, and steam supply.
5.15.4 [C106.1] Safety inspection for SRF-JRMC employees.
5.15.5 [C106.2] Gas free inspection for SRF-JRMC employees.
5.15.6 [C133] QA inspection for (G) symbol(s).
FOUO
M-1
SHIP: YR-85 CHG/VER: 0/0
APPENDIX “M”
TGI MATERIAL LIST
SYSTEM: PLANT NO.: COMPONENT NAME: TYPE: PHASE: REPEAT: CU PH
VERSION:
CASREP
CAT:
16711 HATCH 01-37-0 HA A 1 0
CU PHASE TITLE:
F/O - REPAIR WATERTIGHT HATCH 01-33-0
MATERIAL REFERENCES
REF
NO.
DOCUMENT/DRAWING
NUMBER
DOCUMENT/DRAWING TITLE REV
1 805-1624075 2 805-1624072
JOB ORDER: KEY OP:
38HVC16702 A02
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 DOG ASSEMBLY,HATCH,
ORIGINATOR: C231A,
T,OOUCHI, PHONE 243-6803
ORDERED FOR KTR
9B 2040 015015966 NA 4 N 50295199 30/EA
002 M PLATE,ME, ORIGINATOR:
C231A, T,OOUCHI, PHONE 243-
ORDERED FOR KTR
9B 9515 001533184 NA 4 N 50315219
200/SF
003 M INSULATI, ORIGINATOR:
C231A, T,OOUCHI, PHONE 243-
ORDERED FOR KTR
9Q 5640 008096312 NA 4 N 50295194 30/EA
004 M CAP, CAP ANNULAR RING FOR
3/16" DIAMETER STUDS, ZINC
PLATED CARBON STEEL,
15/16" HEAD TO FIT ANNULAR
GROOVED INSULATION STUD,
DO NOT CROSS TO NSN 5340-
01-416-8197(X3)
ORIGINATOR: C231A,
T,OOUCHI, PHONE 243-6803
ORDERED FOR KTR
9Z 5340 LL4601470 NA 4 N 50297473
200/EA
NOTES:
FOUO
M-2
SHIP: YR-85 CHG/VER: 0/0
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, ORIGINATOR:
C231A, T,OOUCHI, PHONE 243-
ORDERED FOR KTR
9B 8040 002738708 NA 4 Y 50295198 2/GL
006 M RUBBER STRIP, RUBBER
STRIP
SIZE: 40FT
QTY: 2EA
ORIGINATOR: C231A,
T,OOUCHI, PHONE 243-6803
ORDERED FOR KTR
9B 5330 010571810 NA 4 N 50295201 2/EA
007 M SHEET,METAL, ORIGINATOR:
C231A, T,OOUCHI, PHONE 243-
ORDERED FOR KTR
9B 9515 002044594 NA 4 N 50935749 1/SH
008 57 1 M DOG LUG, DOG LUG, RIGHT
HAND, DWG: 805-1624075
REV.F, PC NO. 57, DETAIL
DWG: 805-1624071 REV.D, PC
57, MATL: CRES 304, DO NOT
CROSS NSN: 5340-01-683-4016
(STEEL),
ORDER FOR KTR
ORIG: C226 T. KATSUYA, 070-
7787-1996
9B 5340 LL9813910 NA 4 N 50227404 15/EA
009 58 1 M DOG LUG, DOG LUG, LEFT
HAND, DWG: 805-1624075
REV.F, PC NO. 58, DETAIL
DWG: 805-1624071 REV.D, PC
58, MATL: CRES 304, DO NOT
CROSS NSN: 5310-01-683-3323
(STEEL),
ORDER FOR KTR
ORIG: C226 T. KATSUYA, 070-
7787-1996
9B 5340 LL9813911 NA 4 N 50227405 15/EA
010 M PLATE,ME, SIZE: 2’ X 1’
QTY: 1EA
ORIGINATOR: C231A,
T,OOUCHI, PHONE 243-6803
ORDERED FOR KTR
9B 9515 001533236 NA 4 N 50295191 2/SF
011 M PLATE,ME, SIZE: 2’ X 1’
QTY: 1EA
ORIGINATOR: C231A,
T,OOUCHI, PHONE 243-6803
ORDERED FOR KTR
9B 9515 001533223 NA 4 N 50295192 2/SF
012 M TAPE,TEX, ORIGINATOR:
C231A, T,OOUCHI, PHONE 243-
ORDERED FOR KTR
9B 8315 002671632 NA 4 N 50295195 3/RO
013 M BRACKET,DOUBLE ANGL,
ORIGINATOR: C231A,
T,OOUCHI, PHONE 243-6803
ORDERED FOR KTR
9B 5340 016833606 NA 4 N 50295200 30/EA
014 M STUD, WE, STUD, WELDING,
3/16" DIA X 7/8" LG, ANNULAR
RING TYPE, STEEL, FLASH
COPPER PLATED, MIL-S-
24149, TYPE VI, CLASS 3,
STUD WITH GROOVES
(ANNULAR RINGS).
ORIGINATOR: C231A,
T,OOUCHI, PHONE 243-6803
ORDERED FOR KTR
9Z 5307 LL4660728 NA 4 N 50297472 60/EA
FOUO
M-3
SHIP: YR-85 CHG/VER: 0/0
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
015 M PLATE,ME, SIZE: 2’ X 1’
QTY: 1EA
ORIGINATOR: C231A,
T,OOUCHI, PHONE 243-6803
ORDERED FOR KTR
9B 9515 001533248 NA 4 N 50295188 2/SF
016 2 M ENGINEERS WRENCH, RAISED
HATCH DOGGING WRENCH
FOR INDIVIDUALLY-DOGGED
RAISED HATCH, NAVSEA
DWG: 805-1624072, 805-
1624093 PC 91. OPENING: 1-
5/16", MATL: FORGED STEEL
ORIGINATOR: C231A,
T,OOUCHI, PHONE 243-6803
ORDERED FOR KTR
9B 5120 LL9810164 NA 4 N 50307464 1/EA
017 M TAPE,TEX, ORIGINATOR:
C231A, T,OOUCHI, PHONE 243-
ORDERED FOR KTR
9B 8315 002671633 NA 4 N 50295197 3/RO
018 M SHEET, M, ORIGINATOR:
C231A, T,OOUCHI, PHONE 243-
ORDERED FOR KTR
9B 9515 002375413 NA 4 N 50295193 1/SH
019 M SHEET,METAL, SHEET,METAL,
P/N: ASTM A240, 10'L X 3'W X
0.125"THK, STEEL COMP 316H,
5.25 LBS PER SQUARE INCH
9B 9515 002044594 NA 4 N 51485022 1/SH
020 M RUBBER STRIP, RUBBER
STRIP,
9B 5330 001719368 NA 4 N 51575131 40/FT
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:
YR-85 HATCH 01-37-0 HA A 1
4a. ICN: 4b. KEY OP: 5. LOC SPACE/LVL: FRAME: P/S/C: 6. CAUSED BY:
38HVC16702 A02
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:
YR-85 HATCH 01-37-0 HA A 1
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