1.02 38DJ212311_00_A01.pdf

Ship/HULL NO. Ship/HULL NAME ICN: Rev: Key Op:

LHA -7 USSTRIPOLI JON. 38DJ212311 AOl

TITLE:

Drain Well and Piping in Vehicle Stowage (3-49-0-A); mechanically clean and repair

JOB SPECIFICATION

Anticipated Award Date: Production Completion Date: PREPARING ACTIVITY:

SASEBOPOP Start Date: POP End Date:

PREPARED BY:

A.HAMADA

CODE

P_HA

DATE

6/1/2026

APPROVED BY: /'

S.MURAKAMI IVW k, CODE

S225

CONCURRED BY:

T.TAKAMASU

CODE

S234

ASSIST PLANNER'S NAME: CODE

ASSIST PLANNER'S NAME: CODE

ASSIST PLANNER'S NAME: CODE

DESCRIPTION:

JSN(S): DBOI -0419 CASREP#

S/F CONTACT: BRYANT BM2 I WAGERS ENS CWP # CCNS #

Approved by S30OIS9OO,/

D. PERKI

Date: ///2at.j?r'Ject Manager AvI: 7J1

LWC:

Work Completed

S/Force: Rate:

SHIPSUPT: Date:

Date:

SRF CONTROL NO.:

WORK CERTIFICATION SIGNATURES

COMPLETION OF WORK REVIEW: BADGE NO.: SHOPICODE: PHONE DATE:

'I

Sakura.Yamaguchi.ja Typewritten Text 09/11/2026

Sakura.Yamaguchi.ja Typewritten Text 10/13/2026

Sakura.Yamaguchi.ja Typewritten Text 12/18/2026

Sakura.Yamaguchi.ja Typewritten Text 01/29/2027

Sakura.Yamaguchi.ja Typewritten Text 1301395438

LHA-7 USS TRIPOLI

JON. 38DJ212311 AOl

TITLE:

Drain Well and Piping in Vehicle Stowage (3-49-0-A); mechanically clean and repair

1. SCOPE:

1.1 Title: Drain Well and Piping in Vehicle Stowage (3-49-0-A);

mechanically clean and repair

1.2 Location of Work:

1.2.1 Vehicle Stowage (3-49-0-A)

1.2.2 Sheetmetal & DC Shop (4-57-2-Q)

1.2.3 Machinery Room No. One (6-65-0-B)

1.2.4 Unassigned (4-68--2-Q)

1.2.5 Dry Provisions Storeroom No.6 (3-57-2-A)

1.2.6 Ship Store STRM Canned Drink No.3 (3-62-2-A)

1.2.7 Oil & Water Test LAB (3-68-2-Q)

1.2.8 Access (3-72-2-L)

1.2.9 Cargo Hold No.4 (4-49-0-A)

1.2.10 Sheetmetal & DC Shop (4-57-2-Q)

1.2.11 Dry PROV STRM No.8 (4-57-4-A)

1.2.12 Unassigned (4-68-2-Q)

1.2.13 Medical STRM No.4 (4-65-2-A)

1.2.14 Access (4-72-2-L)

1.3 Identification:

1.3.1 Quantity (One BA), Drain Well and Deck Drain Piping Located in

1.2.1 and 1.2.2, Frames Between 57 and 58, Port Side, Round Shape Drain Well (Steel) and 2-1/2 Inch IPS Deck Drain Piping (CuNi Piping and Fittings), Drain Well Includes Strainer Plate and Strainer Plate Bracket, See ENCLOSURE (A)

1.3.2 Quantity (One BA), Drain Well and Deck Drain Piping Located in

1.2.1 and 1.2.3, Frames Between 64 and 65, Port Side, Rectangular Shape Drain Well (Steel) and 2-1/2 Inch IPS Deck Drain Piping (CuNi Piping and Fittings), Drain Well Includes Strainer Plate and Strainer Plate Bracket, See ENCLOSURE (A)

1.3.3 Quantity (One BA), Drain Well and Deck Drain Piping Located in

1.2.1 and 1.2.4, Frames Between 72 and 73, Port Side, Rectangular Shape Drain Well (Steel) and 2-1/2 Inch IPS Deck Drain Piping (CuNi

ShipIHULL NO. ShipIHULL NAME ICN: Rev: Key Op:

LHA-7 USSTRIPOLI

JON. 38DJ212311 AOl

TITLE:

Drain Well and Piping in Vehicle Stowage (3-49-0-A); mechanically clean and repair

Piping and Fittings), Drain Well Includes Strainer Plate and Strainer Plate Bracket, See ENCLOSURE (A)

2. REFERENCES:

2.1 Standard Items (FY27)

2.2 529-7566296 Rev F, Main and Secondary Drainage Piping System Diagram

2.3 529-7565468 Rev B, Secondary Drainage Piping ASSY 210

2.4 529-7565491 Rev A, Oily Waste XFR, Main & SEC DR, and Fuel Stripping

PP ASSY 330

2.5 133-7563500 Rev C, STRL ASSY 210 3rd Deck Plating Port 30" FWD FR 57 to 30" FWD FR 65 MDL 2

2.6 133-7563518 Rev C, Structural ASSY 330 1st PLATF to 3rd DK & BED BLW 30" FWD FR 65 to 30" FWD FR 73 MDL 3

3. REQUIREMENTS:

3.1 Mechanically clean inside of each drain well and deck drain piping listed in 1.3.1 through 1.3.3 to clear clogging, using 2.2 through 2.4 and ENCLOSURE (A) for guidance.

(V) (G) "WATER FLOW TEST"

3.1.1 Accomplish the water flow test of each drain well and deck drain piping affected by this work item to verify unobstructive flow, until the specified criteria is verified. Allowable obstructive flow: None. - S130

3.2 Remove existing and install new strainer plate bracket to repair each drain well listed in 1.3.1 through 1.3.3, using Detail 2-E and 2-G in Sheet 3 of 2.5 and Detail l -G and 7-G in Sheet 5 of 2.6 for guidance.

3.2.1 Accomplish the requirements of 009-012 of 2.1, including Table 2 Column A, Lines One through 7.

3.2.2 Witness visual inspection of each new strainer plate bracket installed in 3.2 and 3.2.1 to be conducted by Ship's Force.

(V) "REPORT"

3.2.2.1 Submit one legible condition report listing results

of the requirements of 3.2.2 to SUPERVISOR.

3.2.3 Install each strainer plate specified in 1.3.1 through 1.3.3 on each drain well with each new CRES flat head screw listed in 5.1.

VA

LHA-7 USSTRIPOLI JON. 38DJ212311 AOl

TITLE:

Drain Well and Piping in Vehicle Stowage (3-49-0-A); mechanically clean and repair

3.3 Accomplish the requirements of 009-011 of 2.1 for each component affected by this work item.

3.4 Accomplish the requirements of 009-032 of 2.1 for cleaning and preservation of each new and disturbed surface to match surrounding areas.

4. NOTES:

4.1 Initial Condition - During inspection it was discovered that the strainer plate brackets for drain wells in vehicle stowage have been degraded and require replacement.

5. GOVERNNT FURNISHED MATERIAL:

5.1 SRF will provide following material.

MATERIAL LIST

M

QTY

ITEM PC REF I STOCK HAZ DOC REQD/ PARA

NO. NO NO C DESCRIPTION NUMBER MAT NO. UNIT NO.

001 8 2.5 M METAL PLATE, STEEL, ABS RULES, 9B 9515 002243093 N 1/PM 3.2

GR DH36, MIL-S-22698 GR DH-36, CL

U, 8FT X 20FT X 0.75THK

002 100 2.5 M SCREW, CRES 316, SLOTTED FLAT

9B 4730 SAPI-IA0231 N 10/PG 3.2

HEAD, 1/2-13 THREAD SIZE, 1-1/4'

LONG

003 10 2.6 M ANGLE, MIL-S-22698, GRADE AH-36, 9Z 9520 SAPHAO232 N 20/FT 3.2

CLASS U, 21N x 1.51N x 0.251N THK

004 101 2.6 M SCREW, CRES 316, SLOTTED FLAT

9B 4730 SAPHAO233 N

20/PG 3.2

HEAD, 1/2-13 THREAD SIZE, 1-3/4"

LONG

005 102 2.6 M NUT, 316 STAINLESS STEEL HEX NUT,

9B 4730 SAPHAO234 N 4/PG 3.2

1/2-13 THREAD SIZE, ASTM F594

006 M WELDING ELECTRODE, 1/8X 14, MIL-

9B 3439 006101699 N

2/CN 3.2

7018, MIL-E-22200/1, CL.1, SMAW

007 M WELDING ELECTRODE, 1/16 X 36, MIL-

9G 3439 SA4613447 N 1/CN 3.2

309, MIL-E-19933, CL.2, GTAW, HIGH

ALLOY STEEL (AUSTENITIC), 10 LB/CO

008 M INSULATION THERMAL BOARD, 1"

90 5640 008096312 N

1/BX 3.3

THK, 24 INCHES X 36 INCHES, MIL-

DTL-32585, TYPE 1, FORM 1, FACING B

009 M ADHESIVE, MIL-A-3316 CL.3, GR.A

90 8040 LHA008518 Y

5/CA 3.3

PELICAN 301A

010 C REDUCER, CONC,4"X2-1/2"IPS, BW,

9C4730SA4462437 N 1/EA NIA

200#, 810-1385880, CNA 90/10

011 C ELBOW, 2-1/2"IPS, 90 DEG, SR, BW,

9C 4730 SA4462377 N

3/EA NIA

200#, 810-1385880, CNA 90/10

012 C BHD/DK SLEEVE, 2-1/2"IPS, 810-

9B 2040 002775784 N

3/EA N/A

2145801, C-STEEL

013 C ROUND BAR, 0.375" DIA,QQ-N-281,

9B 9530 002508655 N 3/FT N/A

CL.A, COLD DRAWN, MONEL

014 C PIPE, 2-1/2"IPS, 2.875"OD X 0.083"WT,

3B 4710 002898007 N

10/FT N/A

MIL-T-16420, CNA 90/10

015 C TEE, 2-1/2"IPS, LTSS, BW, 200#, 810-

9C 4730 SAPI-IA0235 N 1/EA N/A

1385880, CNA 90/10

441/s)

ShipIHULL NO. ShipIHULL NAME I lCN: Rev: Key Op:

LHA-7 USSTRIPOLI JON. 38DJ212311 AOl

TITLE:

Drain Well and Piping in Vehicle Stowage (3-49-0-A); mechanically clean and repair

MATERIAL LIST

M

QTY

ITEM PC REF I STOCK I-IAZ DOC REQDI PARA

NO. NO NO C DESCRIPTION NUMBER MA NO. UNIT NO.

016 C WELDING ELECTRODE, 3132" X 36", 9B 3439 000888989 N 1/BX N/A

MIL-RN67, MIL-E-21 562, CL.2, GTAW

017 C WELDING ELECTRODE, 3/32 X 36, MIL-

9B 3439 009357873 N

1/CO

N/A

RN82, M!L-E-21562, CL.2, GTAW,

INCONNEL

018 C WELDING ELECTRODE, 1/8X 14, MIL-

9B 3439 002301706 N

1/CO

N/A

9N10, MIL-E-2220013, CL. 1, SMAW,

MONEL

019 C COUPLING, 2-112"IPS, SW, 400#, 803-

9B 4730 014645444 N

6/EA

NIA

6397430, CNA 90/10

/2

Ship/HULL NO. Ship/HULL NAME ICN:

Rev: Key Op:

LHA-7 USSTRIPOLI JON. 38DJ212311 AOl

TITLE:

Drain Well and Piping in Vehicle Stowage (3-49-0-A); mechanically clean and repair

// L -

I

I :::::- '-

I I

*L / :ii ' i

T

ENCLOSURE (A) 1/1