0111-RevB_A_ABS_INTERMEDIATE_TANK_SURVEY.doc

RAPPAHANNOCK

( T-AO 204 )

HULL AND STRUCTURAL

ITEM NO. 0111

CATEGORY "A"

29 MAR 2018

ABS INTERMEDIATE TANK SURVEY #5

WILLIAM KEGLEY

1.0 ABSTRACT

1.1 Inspect and test vessel’s tanks, voids, and cofferdams as necessary to satisfy the requirements of the abs annual and Intermediate Survey #5 inspection and surveys for Double hull Tankers in the Enhanced Survey Program (ESP).

2.0 REFERENCES/ENCLOSURES

2.1 References

2.1.1 NAVSEA Drawing No.101-6580055 General Arrangement Outboard Profile.

2.1.2 NAVSEA Drawing No. 101-6580056 General Arrangement Inboard Profile.

2.1.3 NAVSEA Drawing No. 101-6580164, Scantling Plan

2.1.4 NAVSEA Drawing No. 101-6580165, Scantling Section

2.1.5 NAVSEA Drawing No. 101-6580166, Shell Expansion Scantlings

2.1.6 NAVSEA Drawing No.101-6580058, General Arrangement of Tanks and Flats, Fwd. Fr. 60

2.1.7 NAVSEA Drawing No. 101-6580059, General Arrangement of Tanks and Flats, Aft Fr. 60

2.1.8 NAVSEA Drawing No.101-6580572, Capacity Plan (TAO 204 ONLY)

2.1.9 MSC “Paint Schedule”

2.1.10 ABS Rules for Building and Classing Steel Vessels Part 7, Rule

2.1.11 USNS RAPPAHANNOCK (TAO 204) Intermediate Survey Plan No. 5 for ABS

2.2 Enclosures

2.2.1 USNS RAPPAHANNOCK T-AO 204 List of Applicable Tanks

3.0 ITEM LOCATION/DESCRIPTION

3.1 Location/Quantity/Description: See Enclosure 2.2.1

3.2 Twenty-five thousand (25,000) readings (for estimating purposes). Readings will be taken in a variety of different locations

4.0 GOVERNMENT FURNISHED EQUIPMENT/MATERIAL/SERVICE: Government will provide ABS service representative.

5.0 NOTES

5.1 The contractor and all subcontractors, regardless of tier must consult the General Technical Requirements (GTR) to determine applicability to this work item. In performance of this work item, the contractor and all subcontractors regardless of tier must comply with the requirements of all applicable GTR’s 1 through 7.

5.2 The contractor and all subcontractors, regardless of tier are advised to review other work items under this contract to determine their effect on the work required under this work item and not limited to work items 020, 021 and 023. Many of the definitions relating to performance of this work item are found in Work Item 001.

5.3 The vessel will arrive in the contractor’s plant with cargo tanks emptied and gas free.

5.4 Tank capacities listed in Reference 2.2 are for informational purposes only and are not indicative of quantities to be handled.

5.5 The purpose of this item is to support ABS Intermediate Survey No. 5.

6.0 QUALITY ASSURANCE REQUIREMENTS: None Additional

7.0 STATEMENT OF WORK REQUIRED

7.1 Arrangement/Outfitting

7.1.1 Provide all labor, material, equipment and services required to test and support inspection/survey and gauging of tanks, voids and cofferdams as required by ABS annual inspection and Special Periodical Survey No.3 IAW references 2.1.11 and 2.1.10.

7.1.2 Contractor is responsible for the coordination, planning and accomplishment of all inspections, surveys, gauging and testing of the tanks, as required by reference 2.1.10 and 2.1.11.

7.1.2.1 Tank characteristics and arrangements are provided in reference 2.1.1, 2.1.2, 2.1.6, 2.1.7, and 2.1.11.

7.1.2.2 This effort should be coordinated with the accomplishment of work item 021 titled “Clean and Gas Free Tanks. All tanks that require ABS inspections for this survey are already covered by work item 021.

7.2 Structural

7.2.1 Accomplish the overall surveys of fifty-six (56) ballast, cargo and miscellaneous tanks listed in reference 2.1.11 in the presence of the ABS Surveyor(s) and Port Engineer in accordance with section 5.14.3 of reference 2.1.10 and reference 2.1.11.

7.2.2 Contractor shall provide all labor, material, staging, ladders, and equipment necessary to support the safe accomplishment of the overall surveys, allowing ABS and the MSCREP to inspect the tanks, voids, and cofferdams listed in 2.1.11.

7.2.3 Accomplish the CLOSE-UP SURVEYS in the ballast, cargo and miscellaneous tanks listed in 2.1.11 in the presence of the ABS Surveyor(s) and Port Engineer IAW section 5.14.4 of reference 2.1.10 and reference 2.1.11.

7.2.4 Contractor shall provide all labor, material, staging, ladders, and equipment necessary to support the safe accomplishment of the overall surveys, allowing ABS and the MSCREP to inspect the tanks, voids, and cofferdams listed in 2.1.11.

7.2.5 Ladders, staging of ballast, cargo oil and miscellaneous tanks will be required to conduct the close-up surveys and thickness measurements (Gauging). The contractor shall provide the following listed above to support close-up surveys and thickness measurements (Gauging).

7.2.6 Contractor shall install, remove and maneuver staging in and around tanks to support close-up surveys and thickness measurements (Gauging).

7.2.7 Contractor is to provide ABS approved ESP program external specialist with certificate Thickness Measurement Firm to conduct thickness measurement (Gauging) to accomplish the thickness measurements (gauging) in ballast tanks, cargo tanks and other locations listed in reference 2.1.11 in the presence of ABS Survey(s) and Port Engineer in accordance with section 5.14.5 of reference 2.1.10 and reference 2.1.11.

7.2.8 Contractor shall provide all labor, material, staging, ladders and equipment necessary to support the safe accomplishment of the thickness measurement(gauging), allowing Thickness Measurement (Gauging) Firm, ABS and the MSCREP to accomplish the thickness measurements(gauging) in the areas of ballast tanks, cargo tanks, miscellaneous tanks and locations listed in reference 2.1.11.

7.2.9 Accomplish the Hydrostatic Tank Testing of all fifty-six (56) ballast, cargo and miscellaneous tanks listed in reference 2.1.11 in the presence of the ABS Surveyor(s) and Port Engineer IAW section 5.14.6 of reference 2.1.10 and reference 2.1.11.

7.2.10 Ships force personnel shall operate ship’s equipment to transfer salt water ballast for filling and emptying tanks to support hydrostatic testing.

7.2.11 The contractor shall provide all labor, material, and equipment necessary to support hydrostatic testing of all fifty-six (56) tanks, including but not limited to: fire hoses to top off tanks to top of expansion trunks, and pump to strip out residual water from tanks upon completion of hydrostatic testing as mentioned under paragraph 7.2.9.

7.3 Mechanical/Fluid

7.3.1 Open gas free and prepare tank for survey by the ABS Surveyor. Provide the services of a Certified Marine Chemist to certify the tanks to be entered, “Safe for Men.” Provide portable lighting, adequate ventilation, portable ladders, and staging as necessary to allow the ABS Surveyor to get within a hands reach (i.e. twenty-four (24) inches or less) of all parts of the tanks and tank structures in accordance with Reference 2.2.1 Assist the ABS Surveyor in examining the tanks and spaces.

7.3.2 Contractor shall remove and dispose of any hazardous waste generated through accomplishment of this work item IAW work item 023.

7.3.3 The contractor shall coordinate with ships force personnel with the removal and disposal of oily ballast water IAW with all federal, state, and local laws and regulations. Shipboard pumps, piping, and system will be employed in the process.

7.3.4 Contractor is to provide, connect up, and operate portable pumps and hoses to remove all oily ballast water contained in the tanks and spaces. Disconnect and remove upon completion.

7.3.5 Close each tank after the ABS Surveyor has completed the examination of that tank. In way of tank closure, close all tank entry openings and manholes. Provide and install new manhole cover gaskets and replace any manhole cover hardware found to be defective. Leave the tanks ready for service.

7.3.6 Provide three (3) typewritten reports to the Port Engineer describing the results of all tank inspections. The report shall identify all irregularities noted by the ABS Surveyor by tanks.

7.3.7 Upon completion of tank inspection, all cargo, ballast and miscellaneous tanks and associated piping systems shall be left clean, dry and ready to load the intended products.

7.4 Electrical: None Additional

7.5 Electronics: None Additional

7.6 Preparation of Drawings: None Additional

7.7 Inspection/Test: None Additional

7.8 Painting

7.8.1 Any disturbed, damaged and repaired areas in cargo and ballast tanks are to be mechanically cleaned, prepared, primed and painted to match surrounding area in accordance with the ship’s paint schedule.

7.8.2 All dirt and debris resulting from this work item shall be removed from the ship daily and all areas left clean and in good order.

7.9 Markings: None Additional

7.10 Manufacturer's Representative: None Additional

8.0 GENERAL REQUIREMENTS: All repairs if needed shall be conducted IAW with ABS Rules and Regulations.

ENCLOSURE 2.2.1

Cargo Oil Tanks Location Capacity

(gallons)

3.1.1 No. 2C (DFM) Cargo Tank

4-22-0

217,485

3.1.2 No. 3C (JP-5) Cargo Tank

4-26-0

589,232

3.1.3 No. 4C (DFM/JP-5) Tank

4-31-0

289,222

3.1.4 No. 4 (DFM) Cargo Wing Tank, Port

4-31-2

125,833

3.1.5 No. 4 (DFM) Cargo Wing Tank, Stbd.

4-31-1

125,833

3.1.6 No. 5 (DFM) Cargo Wing Tank, Port

4-35-2

199,274

3.1.7 No. 5 (DFM) Cargo Wing Tank, Stbd.

4-35-1

199,274

3.1.8 No. 6 (DFM) Cargo Wing Tank, Port

4-39-2

243,691

3.1.9 No. 6 (DFM) Cargo Wing Tank, Stbd.

4-39-1

243,691

3.1.10 No. 7C Cargo Tank (DFM/JP-5)

4-43-0

578,443

3.1.11 No. 7 (DFM) Cargo Wing Tank, Port

4-43-2

252,438

3.1.12 No. 7 (DFM) Cargo Wing Tank, Stbd.

4-43-1

252,438

3.1.13 No. 8C Cargo Tank (DFM/JP-5)

4-47-0

3.1.14 No. 8 (DFM) Cargo Wing Tank, Port

4-47-2

252,466

3.1.15 No. 8 (DFM) Cargo Wing Tank, Stbd.

4-47-1

252,466

3.1.16 No. 9C Cargo Tank (JP-5)

4-51-0

3.1.17 No. 9 (DFM) Cargo Wing Tank, Port

4-51-2

240,147

3.1.18 No. 9 (DFM) Cargo Wing Tank, Stbd.

4-51-1

240,147

3.1.19 No. 10C Cargo Tank (JP-5)

4-55-0

491,676

3.1.20 No. 10 (DFM) Cargo Wing Tank, Port 4-55-2

200,256

3.1.21 No. 10 (DFM) Cargo Wing Tank, Stbd.

4-55-1

173,116

3.1.22 Cargo Lube Oil Tank

4-59-3

27,098

3.1.23 JP-5 Settling Tank

3-33-0

144,608

3.1.24 DFM Settling Tank, Center

3-41-0

126,585

3.1.25 JP-5 Contaminated Tank

3-36-2

36,192

3.1.26 DFM Contaminated Tank

3-37-1

41,599

Fuel Oil Tanks Location Capacity

3.1.27 No. 2 Fuel Oil Deep Tank, Port

4-59-2

49,775

3.1.28 No. 2 Fuel Oil Deep Tank, Stbd.

4-59-1

49,775

3.1.29 No. 3 Fuel Oil Deep Tank, Port

5-98-2

140,182

3.1.30 No. 3 Fuel Oil Deep Tank, Stbd.

5-98-1

140,182

3.1.31 Fuel Oil Service Tank

3-60-2

24,203

3.1.32 Fuel Oil Settling Tank

3-60-0

44,005

3.1.33 Aux. Fuel Oil Storage Tank

3-60-1

57,022

3.1.34 Aux. Fuel Oil Service Tank

2-60-2

13,699

3.1.35 Aux. Fuel Oil Service Tank, Aft

2-64-2

15,456

3.1.36 Aux. Fuel Oil Settling Tank

3-60-4

43,093

Miscellaneous Tanks Location Capacity

3.1.37 Contaminated F.O. Tank

5-60-0

19,702

3.1.38 Aux. Contaminated F.O. Tank

5-67-2

8,475

3.1.39 Oily Waste Tank

5-67-1

8,475

3.1.40 SSDG L.O. Drain Tank

5-81-0

3,220

3.1.41 CRP L.O. Drain Tank

5-83-2

1,938

3.1.42 Reduction Gear L.O. Drain Tank

5-83-0

4,083

3.1.43 Waste Oil Tank

5-86-0

21,964

3.1.44 L.O. Purifier Sludge Tank

5-93-0

1,872

3.1.45 Mn. Engine L.O. Drain Tank

5-95-0

5,716

3.1.46 Stern Tube L.O. Drain Tank, Stbd.

5-92-1

3.1.47 Stern Tube L.O. Drain Tank, Port

5-92-2

3.1.48 Oily Waste Tank

3-40-0

64,744

3.1.49 F.O. Purifier Sludge Tank

3-64-4

2,174

3.1.50 Motor Boat D.O. Tank

06-96-2

3.1.51 Emerg. Gen. D.O. Tank

06-97-2

1,089

Lube Oil Tanks

Location Capacity

3.1.52 Red. Gear L.O. Settling Tank

2-68-1

4,973

3.1.53 CRP L.O. Settling Tank

2-70-3

3.1.54 SSDG L.O. Storage Tank

2-72-1

3.1.55 SSDG L.O. Settling Tank

2-74-1

3.1.56 Mn. Engine L.O. Storage Tank

2-76-1

12,432

3.1.57 Mn. Engine L.O. Settling Tank

2-81-1

12,431

3.1.58 Mn. Engine L.O. Sump Tank, Port

5-66-2

5,873

3.1.59 Mn. Engine L.O. Sump Tank, Stbd.

5-66-1

5,873

Miscellaneous Spaces Location

3.1.60

Fwd. Cargo Pump Room Bilge

4-33-0

3.1.61

Aft Cargo Pump Room Bilge

4-39-0

3.1.62

Motor Room No. 1 Bilge

4-34-0

3.1.63

Motor Room No. 2 Bilge

4-38-0

3.1.64

Motor Room No. 3 Bilge

4-41-0

3.1.65

Engine Room Bilge & Spaces

4-60-0

Ballast Tanks

Location

Capacity

3.1.67 Forepeak SW Ballast Tank

5-C-0

82,177

3.1.68 No. 1 DB Ballast Tank, Center

5-18-0

26,741

3.1.69 Deep Tank No. 1 SW Ballast, Center

4-18-0

233,514

3.1.70 No. 2 DB SW Ballast Tank, Center

5-22-0

63,686

3.1.71 No. 2 SW Ballast Wing Tank, Port

4-22-2

126,346

3.1.72 No. 2 SW Ballast Wing Tank, Stbd.

4-22-1

126,346

3.1.73 No. 3 DB SW Ballast Tank, Center

5-26-0

199,520

3.1.74 No. 3 SW Ballast Wing Tank, Port

4-26-2

189,370

3.1.75 No. 3 SW Ballast Wing Tank, Stbd.

4-26-1

189,370

3.1.76 Deep Tank No. 4 SW Ballast, Port

5-31-2

192,093

3.1.77 Deep Tank No. 4 SW Ballast, Stbd.

5-31-1

191,087

3.1.78 Deep Tank No. 5 SW Ballast, Port

5-35-2

188,729

3.1.79 Deep Tank No. 5 SW Ballast, Stbd.

5-35-1

189,690

3.1.80 Deep Tank No. 6 SW Ballast, Port

5-39-2

171,672

3.1.81 Deep Tank No. 6 SW Ballast, Stbd.

5-39-1

171,672

3.1.82 Deep Tank No. 7 SW Ballast, Port

5-43-2

168,563

3.1.83 Deep Tank No. 7 SW Ballast, Stbd.

5-43-1

168,563

3.1.84 Deep Tank No. 8 SW Ballast, Port

5-47-2

168,984

3.1.85 Deep Tank No. 8 SW Ballast, Stbd.

5-47-1

168,984

3.1.86 Deep Tank No. 9 SW Ballast, Port

5-51-2

177,693

3.1.87 Deep Tank No. 9 SW Ballast, Stbd.

5-51-1

177,693

3.1.88 Deep Tank No. 10 SW Ballast, Port

5-55-2

238,624

3.1.89 Deep Tank No. 10 SW Ballast, Stbd.

5-55-1

238,624

3.1.90 Aft Ballast Tank

5-110-0

59,596

3.1.91 Aft Peak Ballast Tank

5-119-0

307,521

Fresh Water Tanks

Capacity

3.1.92 Ship’s Potable Water, Fwd.

2-73-2

12,263

3.1.93 Ship’s Potable Water, Aft

2-80-2

18,805

3.1.94 Cargo Potable Water, Stbd.

2-102-7

51,994

3.1.95 Cargo Potable Water, Port

2-102-4

51,994

3.1.96 Cargo Feed Water, Stbd.

5-107-1

48,470

3.1.97 Cargo Feed Water, Port

5-107-2

48,470

3.1.98 Reserve Feed Water

2-88-1

5,999

Misc. Voids and Spaces

3.1.99 Steering Gear Space & Rudder voids

2-131-0

3.1.100Fathometer trunk

5-65-0

3.1.101Vertical Cofferdam

5-106-0

3.1.102 Horiz. Cofferdam

2-108-1

3.1.103 Horiz. Cofferdam

2-111-2

3.1.104 Engineroom Voids

5-65-1, 2

3.1.105 Chain Locker Access

4-19-0

3.1.106 Doppler Speed Log

5-33-3

NewPengCons

35448

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