89ZAA85005_00_A01.pdf

Shi /HULL NO. Shi /HULL NAME

DIVE BOAT

ICN:

JON: 89ZAA85005

Rev: KeyOp:

A01

TITLE:

Freeboard and Underwater Hull; re'pair and preserve

JOB SPECIFICATION

Anticipated Award Date: Production Completion Date: PREPARING ACTIVITY:

6/.31)/ ~~, 10/do/ ~o~, POP Start Date: POP End Date: SASEBO

?,ho/ .)...o..\.6 1;2/ ~0/ ~.a.., PREPARED BY: CODE DATE

H.MUTA H MU 3/23/2026

APPROVED BY: SJwv'\ CODE

S.MURAKAMI S225

CONCURRED BY: A:?117 CODE

S.MOROOKA S231

ASSIST PLANNER'S NAME: CODE

ASSIST PLANNER'S NAME: CODE

ASSIST PLANNER'S NAME: CODE

WORK TO BE DONE IN DRY-BERTHING

DESCRIPTION:

JSN(S): CASREP#

S/F CONTACT: CWP# CCNS # DIVEBOAT-002-28

App;.,._d by S300/S800 ~/~: :if /U;/2£ Avl: ·&A1

LWC:

Work Completed

S/Force: Rate: Date:

Ship Supt: Date: SRF CONTROL NO.: 1301370704

WQBts. ~§RTIFl5'6 TIQN §IG~ATURE§

COMPLETION OF WORK REVIEW: BADGE NO.: SHOP/CODE: PHONE: DATE:

Ship/HULL NO. Ship/HULL NAME I I ICN:

___________ D_IV_E_BO_A_T __ I JON: 89ZAA85005

Rev: Key Op~ A01

TITLE:

Freeboard and Underwater Hull; repair and preserve

1.1 Title: Freeboard and Underwater Hull; repair and preserve

1, 2 Location of Work:

1.2.1 Throughout the Boat

1.3 Identification: Quantity (One), Dive Boat, Principal Dimension as Follows

Length Over All Breadth Over All Depth, Amidship

54 Feet 13 Feet 9 Inch

8 _Feet 11 Inch

1.3.1 Quantity (2 EA), Flange Plate for Diver Platform (3/16 Inch Thick by 1-1/2 Inch Width CRES 304 Plate), See ENCLOSURE (A)

1.3,2 Quantity (2 EA), Lock Pad for Hatch at FWD and AFT of the Pilot House (1/4 Inch Thick, Mild Steel, Detail 5-E of 2.9)

1.3.3 A Total of (70 SF) of Bottom Shell Plate (3/16 Inch Thick, Mild Steel)

1.3.4 A Total of (70 SF) of Deck Plate (3/16 Inch THK, Mild Steel Floor Plate)

1.3.5 A Total of (90 SF) of Port and STBD Side Shell Plate (1/8 and 1/4 Inch Thick, Mild Steel)

1.3.6 A Total of (10 SF) of Forward End Shell Plate (1/8 Inch Thick, Mild Steel)

1.3.7 A Total of (10 SF) of AFT End Shell Plate (3/16 Inch Thick, Mild Steel)

1.3.8 A Total of (50 LF) of Existing Seam and Butt

1.3.9 A Total of (50 LF) of Half Pipe Fender (6 Inch and 8 Inch NPS STD, Mild Steel)

1.3.10 A Total of (3,480 SF) of Preservation Area for Dive Boat as Follows

1.3.10.1 A Total of (1,200 SF) of Underwater Hull

"CRITICAL COATED AREA"

1.3.10.2 A Total of (800 SF) of Freeboard above the Boottop

Including Diver Stage "CRITICAL COArED AREA"

1.3.10.3 A Total of (590 SF) of Exterior Deck Including Each

Deck Fitting, Except Scuttle, Deck Access Plate, and Hatch (See NOTE 4.5 and 4,6)

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ShlDIHULL NO. Shlo/HULL NAME

JON:

ICN: Rev: Key Op:

DIVE BOAT 89ZAA85005 A01

TITLE:

Freeboard and Underwater Hull; repair and preserve

1.3.10.4 A Total of (730 SF) of Exterior Hull above the Deck

Including Each Structural Member, Awning Support, Portable J-Bar Davit and Socket, Pilot House, and Handrail

1.3.10.5 A Total of (160 SF) of Interior Deck of the Pilot House

2. REFERENCES:

2 .1 Standard I terns ( FY2 6)

2.2 145-4777404 Rev C, 50 Workboat Outboard Profile, Plan and Bow View

2.3

2.4

2.5

2.6

2.7

2.8

145-98-010 Rev A, 600-6577276 Rev A, 145-6577272 Rev A, 111-6577273 Rev B, 145-4 777405 Rev E, 145-4777405 Rev D, General ARR for Dive Boat ( Preliminary)

Outfitting Arrangement for New Dive Boat

General Arrangement for New Dive Boat

Structural Modification for Dive Boat Conversion

50 Workboat Hull Construction and Details

50 Workboat Hull Construction and Details

2.9 803-1624107 Rev D, Hatch WTRTT FL & L PF Ramped, INDV DG & QA, Grab, Lock Box & Misc Details

2.10 803-1624102 Rev F, Hatch WTRTT Flush INDV Dogged 48 x 48 W/0 Scuttle-

5 PSI ARR

2.11 631-6628003 Rev B, 50 FT. Workboat painting Schedule & Cathodic Protection

2.12 S9086-CH-STM-010/CH-074/Vl/Rev 6, Welding and Allied Processes

2.13 S9086-DA-STM-010/CH-100/Rev 4, Hull Structures

2.14 T9074-AS-GIB-010/271 Rev-1, Requirements for Nondestructive Testing Methods

3. REQUIREMENTS:

3.1 After the craft is in dry dock or marine railway, remove marine growth and clean entire underwater hull using fresh water for visual inspection and preservation work on this work item. (See NOTE 4.4)

3.2 Open, ventilate, conduct gas free, empty, clean, render dry, and maintain each half pipe fender through the work item performance period.

Ship/HULL NO. I Shin/HULL NAME I ICN:

JON: 89ZAA85005

I Rev: Key Op:

I DIVE BOAT A01

TITLE:

Freeboard and Underwater Hull; repair and preserve

3.2.1 Ensure that each harmful vapor, fume, and mist is ventilated to the exterior of the vessel.

(V) "REPORT"

3.2.1.1 Submit one legible copy of a report listing the

location, origin, and quantity of each plug removed in 3.2 with respect to its half pipe fender, ship's frame and distance off centerline to SUPERVISOR after the inspection.

3.2.2 Remove and dispose of waste liquid that is not being stored for reuse to a Contractor provided waste liquid conveyance.

3.2.2.1 Contact the SRF-JRMC Detachment Sasebo ESH Division, Environmental Branch, S106.3 prior to transfer of waste liquid to the conveyance.

3,2.2.2 Provide watches and following spill kits (absorbent pads, booms, etc. for oil or chemical spill containment) at each affected area where waste liquid is being transferred to ensure that each liquid is not released to any shipboard compartment or the sea. In case of a spill, take immediate action to contain the spill, and contact Sl06.3.

3,2.2.3 Identify each transfer hose to the conveyance by affixing the company's name and each location pumping from on each hose.

3·, 2. 2. 4 Establish and maintain communication between the pumping station and the conveyance when the waste liquid is being transferred.

(V) "INSPECT PIPING AND HOSE ALIGNMENT"

3.2.2.5 Inspect alignment of each hose, valve and piping in

the flow path prior to the start of pumping, purging, or flushing.

3.2.2.6 Accomplish a periodic walkthrough of each piping, hose, and valve alignment for leaks at least once an hour.

3.2.2.7 Pumping after sunset is not authorized unless

approved by SUPERVISOR.

3.2.3 Steam clean each area where the removal of preservative is required.

3.2.4 Coordinate the off-loading or transferring of each fluid through the ship's Damage Control Assistant (DCA), via SHIPSUPT, to maintain ship's stability and to prevent flooding.

3.2.5 Upon completion of the repair and preservation work, preserve each existing steel pipe fender interior surface with new rust preventive compound conforming to MIL-PRF-16173, Grade One or 3, by completely filling and draining, using each new plug where mis~ing or damaged.

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

JON: DIVE BOAT 89ZAA85005 A01

TITLE:

Freeboard and Underwater Hullj repair and preserve

(V) "REPORT"

3.3 Submit one legible copy of Marine Chemist certificate to SUPERVISOR including certified location.

3.4 Remove each existing coating for each area listed in 1.3.10 through

1.3.10.5 for visual inspection and UT thickness reading.

3.4.1 Accomplish a visual inspection of each exposed plating and fitting for deterioration, pitting, crack and damage of distortion for structural integrity to determine each repair area and repair recommendation, using Section 6 of 2.12, 100-2.8 of 2.13, and 2.2 through 2.10 for guidance.

(I) "UT THICKNESS READING"

3.4.1.1 Accomplish UT thickness reading of each expected

reducing plating with ultrasonic thickness reading machine in accordance with Chapter 6 of 2.14, using 2.2 through 2.10 for guidance.

-Certified Contractor (Estimated 300 points)

(V) "REPORT"

3.4.1,2 Submit one legible copy of a report listing the results of requirement of 3.4.1 and 3.4.1.1 to SUPERVISOR including "exact location" and "repair size" on repair recommendation.

3.5 Accomplish the requirements for repair of dive boat structure as follows, using 2.2 through 2.10 for guidance.

3.5.1 Remove each existing, template, fabricate, and install each new flange plate listed in 1.3.1 out of each new 3/16 inch thickness CRES 304 plate conforming to ASTM A240 with each new CRES fastener.

3.5.2 Remove each existing, template, fabricate and install each new lock pad listed in 1.3.2 out of each new 1/4 inch thickness mild steel plate conforming to ASTM A36.

3.5.3 Remove each damage section, template, fabricate and install each new plate listed in 1.3.3 through 1.3.7 out of each new 1/8 inch thick mild steel plate (ASTM-A569), 3/16 and 1/4 inch thick mild steel plate (ABS Grade A), and 3/16 inch thick mild steel floor plate (ASTM-A786).

3.5.4 Vee-out and weld each damaged welding seam, butt and unwelded joint listed in 1.3.8.

3.5.5 Remove each damaged section, fabricate and install each new half pipe fender listed in 1.3.9 out of 6 and 8 inches NFS SCH-40 mild steel pipe conforming to ASTM A53.

3.5.6 Accomplish the requirements of 009-012 of 2.1, including Table 4, Column A, Line One through 7 for welding of 3.5.2 through 3.5.5. (See NOTE

4. 3) pf

Ship/HULL NO. ShiDIHULL NAME

JON:

ICN: Rev: Key Op:

DIVE BOAT 89ZAA85005

TITLE:

Freeboard and Underwater Hull; repair and preserve

(V) "RBPOR~"

3.5.6.1 Ensure to notify which welding standard has been

selected to SUPERVISOR.

A01

3.5.6.2 Accomplish nondestructive test of each welded joint

of primary structure in accordance with Line 9.

3.5.7 Accomplish the requirements of 009-025 of 2.1 for a local air hose test of each new welded joint of watertight boundary. Allowable leakage:

None.

3.6 Accomplish the requirements of 009-025 of 2.1 for a completion air test of each half pipe fender listed in 1.3.9. Test pressure must be 2 PSIG.

Allowable drop in pressure: None.

3.7 Accomplish the requirements of 009-032 of 2,1 including Table One, Line 5, Columns A, B, E (Black, Red and Black), and G for underwater hull listed in 1.3.10.1, Table 2, One system out of Line One, lA, 2, and 4, Columns A, B, C, and G, or Line 3, Columns A, B, and G for freeboard above the boottop area listed in 1.3.10.2 and exterior hull above the deck area listed in 1.3.10.4, Table 2, One system out of Line One, lA, 2 and 4, Columns A, B, C, and E, or Line 3, Columns A, B, and E for exterior deck area listed in 1.3.10.3, and Table 3, Line 6, Columns A, B, and E for interior deck of the pilot house area listed in 1.3.10.5, using 2.11 for guidance.

3.7.1 Power tool clean each narrow area to SSPC-SP-11 where blast nozzle cannot reach.

3.7.1.1 Power tool clean each narrow area to SSPC-SP-3 where

power tool in 3,7.1 cannot reach.

3.7.1.2 Hand tool clean each narrow area to SSPC-SP-2 where

power tool in 3.7.1.1 cannot reach.

3.7.2 Each draft mark must be same as existing.

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

1/, ShlD/HULL NO. ShlD/HULL NAME ICN: Rev: Key Op:

JON: DIVE BOAT 89ZAA85005 A01

TITLE:

Freeboard and Underwater Hull; repair and preserve

4.1 Initial Condition - Require repair and preservation for Dive Boat.

4.2 SRF Tool room will issue pressure gauges when required.

4.3 OPTION A) of Table 4 of 009-12 of 2.1 has been allowed to utilize under ELM-255171.

4.4 Dry docking and undocking of this dive boat will be covered by ICN 89ZAA85004 A0l.

4.5 Replacement and preservation work for two scuttles and one deck access plate (removable hatch) will be covered by ICN 89ZAA85003_A01.

4.6 Repair and preservation work for two hatches will be covered by ICN 89ZAA85006 AOl.

4.7 Cleaning work for each port and starboard fuel tank in the machinery room (2-12-0-E) will be covered by ICN 89ZAA85016_A01.

4.8 Cleaning work for each bilge area of the generator room (2-9-0-E) and the machinery room (2-12-0-E) will be covered by ICN 89ZAA85008_A01.

4.9 Removal and installation work for the engine propeller shaft cover will be.covered by ICN 89ZAA85007_A01.

4.10 Replacement work for the awning will be covered by ICN

89ZAA85014 A0l.

4.11 The contractor is responsible to dispose all waste generated by this work item in accordance with Japanese Environmental Governing Standards

(JEGS).

J1

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

I DIVE BOAT JON: 89ZAA85005 A01

TITLE:

Freeboard and Underwater Hull; repair and preserve

5. GOVERNMENT FURNISHED MMERIAL (GiM)

5.1 Government Furnished Material as follows.

MATERIAL LIST

MATERIAL LIST

M QTY PARA ITEM PC REF I STOCK HAZ DOC REQD/

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

PLATE,FLOOR,METAL,STEEL FLOOR 98 9515 001 M PLATE, 4 FT X 10 FT X 3/16"THK, ASTM- 001873957 9 2/PM 3.5 A786

002 M PLATE,METAL,STEEL PLATE, 4 FT X 6 98 9515 9 2/PM 3.5 FT X 1/4"THK ABS GR A CASTM A36) 002336261

003 M PLATE,METAL,STEEL PLATE, 5 FT X 20 98 9515 9 1/PM 3.5 FT X 3/16''THK ABS GR A CASTM A38) 002375333

004 M SHEET,METAL,STEEL SHEET, 3 FT X 10 98 9515 9 3/SH 3.5 FTX 1/S"THK ASTM-A569 001848487

005 M PLATE,METAL,50" X 12 FT X 3/16''THK, 38 9515 9 1/PM 3.5 CRES 304 ASTM-A240 002044571

006 M PIPE,METALLIC,6"NPS SCH 40, ASTM- 98 4710 9 20/FT 3.5 A106 GR 8 010142591

007 M PIPE,METALLIC,S"NPS SCH 40, ASTM- 984710 9 20/FV 3.5 A106 GRB 010142591

008 M PIPE,METALLIC,8"NPS SCH 40, ASTM• 9B4710 9 20/FT 3.5 A106GR B 003475110

009 M PIPE,METALLIC,8"NPS SCH 40, ASTM- 9B 4710 9 20/FT 3.5 A106 GR B 003475110

ELECTROD,WELDING ROD, 3/32 IN DIA

010 M X 14 IN L, 7018-M, PIN 255014102, MIL-E- 9G 3439 9 10/CN 3.5 22200/10, U/1: 1CN=10LB NOTE: SA4742861

CERTIFICATION IS NOT REQUIRED

ELECTROD,WELDING ROD, 1/8 IN DIA. X

011 M 14 IN L, 7018-M, PIN 255014110, MIL-E- 9G 3439 9 15/CN 3.5 22200/10, un: 1CN=10LB NOTE: SA4742883

CERTIFICATION IS NOT REQUIRED.

ELECTROD,WELDING ROD, 5132 INCH

012 M DIA, 14 INCH LG, 7018-M, MIL·E• 9G 3439 9 10/CN 3.5 22200/10, un; 10LBS/CN, P/N; 255014128 SA4742865

CERTIFICATION IS NOT REQUIRED.

013 M CORROSION PREVENTIVE,COMPOUND, 9B8030 H 2/CN 3,2 MIL-PRF-18173 CL 1 GR1 5GL/CN 002441299

Shi /HULL NO. Shi /HULL NAME

DIVE BOAT

TITLE:

JON:

ICN:

89ZAA85005

Freeboard and Underwater Hull; repair and preserve

ENCLOSURE (A) 111

Rev: Key Op:

A01