SOW Dry Dock MV Barbara Lois.pdf

Beaumont Reserve Fleet Purchase: Drydock M/V Barbara Lois and Make Repairs

Statement of Work

0000) DRY DOCKING

1. ABSTRACT:

The intent is to describe requirements for Drydocking M/V Barbara Lois, Blasting and painting, and making repairs of items outlined in this contract. All work is to be conducted per ABS rules and applicable to offshore supply vessels for the Maritime Administration, Beaumont Reserve Fleet (BRF). This item outlined general requirements applicable to all repairs undertaken in this contract and any changes thereto negotiated unless modified or excluded in a specification. Due to budget constraints, all line items may/may not be awarded.

2. CONTRACTOR SHALL:

2.1 The contractor shall provide all labor, equipment, material, engineering, and structural calculations to accomplish the specification(s)

2.2 All welding shall be performed by a certified welder. The contractor shall provide copies of the welder’s certificates prior to work starting.

2.3 All steel replaced shall be of the original size as it was new, or the size listed in the statement of work or drawings if they are available for repairs.

2.4 All new steel shall be prepared by commercial blasting and coated, primed, and painted.

2.5 The contractor shall obtain all applicable Insurance, Marine Chemist certificates, and permits required by law to accomplish the specification(s).

2.6 The contractor shall include all interference removal required to gain access to accomplish the repairs, replacements, and additions enumerated herein.

2.7 The contractor shall replace all interferences removed for access as original.

2.8 The contractor shall provide fire watch protection, fire watch service, and equipment to protect the vessel and personnel.

2.9 The contractor shall take measurements of all dimensions and proportions to accurately carry out these repairs and replacements. Measurements referred to in the specification(s) are estimates given for identification and general guidance only.

2.10 Material or equipment identified in these specifications may be with equivalent products with the Contracting Officer’s approval, via the contract’s COR or

ACOR.

2.11 The contractor shall properly dispose of all waste Steel, HazMat/HazWaste such as (Oil, Asbestos, antifreeze, etc.) per local, state, and federal regulations. Copies of disposal documentation, if required, shall be delivered to the COR/ACOR.

2.12 The contractor shall clean and restore all areas disturbed by work outlined in the specification(s) as original.

2.13 The contractor shall maintain the vessel in a safe and clean condition.

3. POINTS OF CONTACT:

3.1 Contracting Officer for contracting matters is Ms. Carolyn Quinn, MARAD

Central Region Contracting Officer. She may be reached at email:

carolyn.quinn@dot.gov.

4. PERFORMANCE CRITERIA/DELIVERABLES:

4.1 This project shall not take more than 77 straight calendar workdays to complete 11 mailto:carolyn.quinn@dot.gov weeks. Monday –Friday. If weekends are worked this will have to be a cost to the contractor.

4.2 Force Majeure terms and conditions related to this proposal in its entirety shall be mutually agreed upon between all parties before the final acceptance of any binding contract.

4.3 The vessel cannot travel any more than 50 miles from its home location for drydocking.

4.4 Due to budget constraints, all line items may/may not be awarded.

0001) DRYDOCK SPECIFICATION:

This item intends to drydock the vessel to accomplish routine below-water line maintenance and repair as specified in the associated specifications included in this package.

2. REFERENCES:

2.1. M/V Barbara Lois “Profile. Hold Plan and Arrangement” Dwg. #A-1

2.2. M/V Barbara Lois “Docking plan & anode location” Dwg. #A-4

2.3. M/V Barbara Lois “Gen. Arr. & Outboard profile” Dwg. #15-90-A1

2.4. M/V Barbara Lois “Shaft Arrangement” Dwg. #M-1

2.5. M/V Barbara Lois “Steering System” Dwg. # M-3

2.6. M/V Barbara Lois “Bow Thruster” Dwg. #M-4

2.7. M/V Barbara Lois “Inboard Profile, Long’l BHD’s, Girders & Trusses” Dwg.

#S-1

2.8. M/V Barbara Lois “Main Deck & Bottom Scantlings” Dwg. #S-2

2.9. M/V Barbara Lois “Frames 4 thru 21” Dwg. # S-3

2.10. M/V Barbara Lois “Frames 2/A thru 28” Dwg. #S-4

2.11. M/V Barbara Lois “Frames 28-A thru 39” Dwg. #S-5

2.12. M/V Barbara Lois “Frames 40 thru 52” Dwg. #S-6

2.13. M/V Barbara Lois “Frames 53 thru Transom” Dwg. #S-7

2.14. M/V Barbara Lois “Sea Chest” Dwg. #S-19

2.15. M/V Barbara Lois “Fire Monitor Piping” Dwg. #P-14

3. ITEM DRAFT/DESCRIPTION:

3.1. Draft-Fore and Aft will be approximately 8’00” FWD and 9’00” AFT

3.2. Description: The vessel is fitted with a 40-ton ton EBI Crane.

3.3. Type- Offshore Supply Vessel.

3.4. Builder-Halter Marine Calumet, La., 1979.

3.5. Length-160’

3.6. Berth-38’

3.7. Depth-14’

3.8. Gross Tons-288

3.9. Net Tons-195

4. GOVERNMENT-FURNISHED:

4.1. Equipment None

4.2. Material None

4.3. Services None

5. SCOPE OF WORK:

5.1. VESSEL PREPARATION FOR DRYDOCK:

5.1.1. Contractors to prepare M/V Barbara Lois fuel tanks for Drydock removing all fuel from tanks and placing them in containments and keep it from being contaminated for holding while repairs are being made to the vessel. After work is completed all fuel that was removed shall be placed back into the Barbara Lois fuel tanks.

5.1.2. The contractor is to prepare M/V Barbara Lois Ballast tanks remove all ballast water from tanks and place it in containments and keep it from being contaminated for holding while repairs are being made to the vessel. After Work is completed all ballast water shall be placed back into ballast tanks.

5.2. DRYDOCK PREPARATION

5.2.1. Contractor to prepare the drydock to receive the vessel and plan the arrangement of blocks using reference 2.1. To support the vessel at least 24” above the drydock floor.

5.2.2. Notify the COR/ACOR when the drydock is prepared to receive the vessel to coordinate delivery as soon as possible after notice to proceed.

5.3. DRYDOCKING OPERATIONS:

5.3.1. Receive the vessel and secure it to safe wharfage if it cannot be taken on the blocks immediately. Drydock the vessel in due course.

5.3.2. Install a safe gangway either temporarily pier side or onboard the drydock for the duration of the drydocking.

5.3.3. Install shore power to the vessel sufficient to safely provide for lighting and hotel loads. Allow for 100 AMPS 440 VAC. Maintain shore power to the vessel while generators are unavailable.

5.4. UNDOCKING OPERATIONS

5.4.1. Before undocking the vessel conduct a joint walk-around inspection of the vessel including but not limited to stern tubes, sea chest, sea valves, and other hull openings and the general appearance of the underwater hull.

5.4.2. During the flooding of the dry dock vessel shall be retained on blocks until a thorough examination of the machinery spaces is conducted and found watertight.

5.5. CHECKPOINTS

5.5.1. Call for attendance of the COR/ACOR at steps: 5.2.2, 5.4.1 and 5.4.2

6. PERFORMANCE CRITERIA/DELIVERABLES:

6.1. PERFORMANCE:

6.1.1. Notify the COR/ACOR by condition found report of any conditions which may impact the completion of the work scope.

6.2. DELIVERABLES:

6.2.1. None

7. NOTES

7.1. Incorporate the applicable instruction under #0000 General Specifications completing this item

0002) UNDERWATER AND ABOVE WATER COATINGS:

This item intends to repair the vessel’s underwater anticorrosive coatings and protective anode system for a period of five years drydocking intervals. Any reference to PPG coatings may be substituted with an equal brand provided it is applied to manufactures specifications.

2.1. M/V Barbara Lois “Docking Plan and Anode Location” Dwg. #A-4

2.2. M/V Barbara Lois “Gen. Arr. And Outboard Profile” Dwg. #A-1

2.3. M/V Barbara Lois “Main Deck & Bottom Scantlings” Dwg. #S-2

3. ITEM LOCATION/DESCRIPTION:

3.1. Location: All External surfaces below the 10-foot draft water line.

3.2. Description:

3.2.1. Existing anticorrosive systems are provided by PPG Paint Co.

3.2.2. Last Application took place in 2019 consisting of a fresh coat of

PPG coatings.

3.2.3. Surface preparation shall follow coating systems manufacturer’s recommended criteria for cleanliness, chlorides, and surface profile.

4. GOVERNMENT-FURNISHED

4.1. Equipment: None

4.2. Materials: None

4.3. Services: None

5.1. COATING SPECIFICATIONS WATERLINE TO KEEL:

5.1.1. Remove and renew, as original, 22 each, 24-pound aluminum sacrificial hull anodes. Mask new anodes before coating operations.

5.1.2. Immediately upon dry-docking, high-pressure wash the entire hull from the keel to the waterline with fresh water at a minimum of 5,000 psi (at the nozzle 20-to-30-degree angle nozzle held no more than 18 inches from the hull), including all appendages including but not limited to sea chests, strainer plates, bilge keels, rudder, and thruster tunnels to remove all salts, loose paint, marine growth, and depleted antifouling.

5.1.3. Hand-scrape all areas where high-pressure water will not remove marine growth fouling. High-pressure wash all scraped areas with fresh water in accordance with 5.1.2 above.

5.1.4. Remove existing oil/grease contamination, utilizing a water-borne biodegradable emulsifier. Allow for chemical cleaning in accordance with the Steel Structures Painting Council Surface Preparation Standard SSPC-SP1. High-pressure wash all chemically cleaned areas with fresh water (minimum 3,000 psi at the nozzle) to adequately remove emulsifier residuals.

5.1.5. Upon completion of fresh water washing of the hull, all surfaces shall be allowed to dry. Blow down the entire underwater hull utilizing a clean, dry, high-pressure air supply. Assure clean and dry surface conditions prior to any coatings.

5.1.6. Upon completion of the pressure wash down, an inspection team composed of the COR/ACOR and Contractor’s representative shall make a joint inspection of the underwater hull to identify areas of bare metal, blistered, cracked, peeling paint or paint which is otherwise deteriorated. In addition, a visual inspection of the entire underwater hull shall be carried out jointly to assess the overall condition of the coating system. Square footage of the areas thus identified to require further attention shall be spot blasted and coated as described below.

5.1.7. Contractor-hired PPG Representative/certified paint inspector shall be present to inspect that all surfaces have been prepped correctly and that all coatings have been applied in the correct order and thicknesses to meet the manufacturer’s recommended application standards.

5.1.8. Record all the ship’s markings, including information, size, color, and location. Provide a copy to the COR/ACOR.

5.1.9. Contractor shall apply all coating systems to the entire underwater surfaces and appendages from the keel to the waterline with proper curing time adhered to between coats, following manufacturer’s recommended preparation and application guidelines for proper application method, temperature, relative humidity, dewpoint, dry film thickness, substrate preparation, etc.

5.1.10. Abrasive Blast Sweep SSPC SP-7 Brush-off Standard all existing surfaces to remove all existing fouling, Marine Growth, etc. which may be present, and to create a profile over the existing surface.

5.1.11. Abrasive Blast all-new Steel Plate, Rusty Areas, Welds and Burns, etc. to an SSPC SP-6 Commercial Blast. Note: All spot-blasted areas must be feather-edged for the perimeter of adjacent coatings.

5.1.12. Once all Abrasive Blasting is complete and before applying any coatings, employ adequate cleaning methods, Clean Compressed Air to remove dirt, dust and other contaminates which could interfere with the adhesion of the coating.

5.1.13. 1st coat: Apply 1 full coat of Amercoat PPG 235 Buff @ 7 to 9 mils W.F.T.

to obtain 5 to 6 mils D.F.T., or the paint system manufacturer’s recommended guidance. Ensure proper curing time between coatings.

5.1.14. 2nd coat: Apply 1 full coat of Amercoat PPG 235 Haze Gray Epoxy @ 7 to 9 mils W.F.T. to obtain 5 to 6 mils D.F.T., or the paint system manufacturer’s recommended guidance. Ensure proper curing time between coatings.

5.1.15. 3rd coat: Apply 1 full coat of ABC#3 Black @ 6 to 7 mils W.F.T to obtain 3 to 4 mils D.F.T., or the paint system manufacturer’s recommended guidance.

Note: The Antifouling must be applied while the 2nd coat of PPG 235 Haze Gray is still in a tacky state. Ensure proper curing time between coatings.

5.1.16. 4th coat: Amercoat ABC #3 Red Antifouling Apply 6 to 7 mils W.F.T to obtain 3 to 4 mils D.F.T., or the paint systems manufacturer’s recommended guidance. Ensure proper curing time between coatings.

5.2. COATING SPECIFICATIONS WATER LINE TO CAP RAIL & AFT

BULWARKS INTERIOR AND EXTERIOR BULWARKS

5.2.1. Abrasive Blast Sweep SSPC- SP - 7 Brush-off Standard all existing surfaces to create a profile over the existing surface.

5.2.2. Abrasive Blast all-new Steel Plate, Rusty Areas, Welds and Burns, etc. to an SSPC-SP - 6 Commercial Blast. Note: All spot-blasted areas must be feather-edged for the perimeter of adjacent coatings.

5.2.3. Once all Abrasive Blasting is complete and before applying any coatings, employ adequate cleaning methods, Clean Compressed Air to remove dirt, dust and other contaminates which could interfere with the adhesion of the coating.

5.2.4. 1st coat: 1st coat: Apply 1 full coat Dimetcote 302H Zinc, apply to 4 to 5 mils W.F.T to obtain 3 to 4 mils D.F.T., or the paint systems manufacturer’s recommended guidance. Ensure proper curing time between coatings.

5.2.5. 2nd coat: Apply 1 full coat of Amercoat 235 Haze Gray Epoxy @ 7 to 9 mils W.F.T to obtain 5 to 6 mils D.F.T., or the paint systems manufacturer’s recommended guidance. Ensure proper curing time between coatings.

5.2.6. 3rd coat: Apply 1 full coat of Amercoat PSX 1001 Black Topcoat @ 5 to 6 mils W.F.T to obtain 3 to 4 mils D.F.T., or the paint systems manufacturer’s recommended guidance. Ensure proper curing time between coatings.

5.2.7. Remove hull anode masking.

5.2.8. Restore Hull Marking, Draft Marks, etc. noted in 5.1.7: Apply 1 coat of Amercoat PSX 1001 White @ 3.0 mils wet to obtain 2.0 mils D.F.T., or the paint systems manufacturer’s recommended guidance. Ensure proper curing time between coatings.

5.2.9. Remove hull anode masking. Remove all protective coverings and re-install all interferences. Remove any paint which has adhered to normally unpainted items.

5.3. COATING SPECIFICATIONS MAIN DECK TO WHEELHOUSE.

5.3.1. Abrasive Blast Sweep SSPC- SP - 7 Brush-off Standard all existing surfaces to create a profile over the existing surface.

5.3.2. Abrasive Blast all-new Steel Plate, Rusty Areas, Welds and Burns, etc. to an

SSPC-SP - 6 Commercial Blast. Note: All spot-blasted areas must be feather-edged for the perimeter of adjacent coatings.

5.3.3. Once all Abrasive Blasting is complete and before applying any coatings, employ adequate cleaning methods, Clean Compressed Air to remove dirt, dust and other contaminates which could interfere with the adhesion of the coating.

5.3.4. 1st coat: Apply 1 full coat of PPG 235 Buff Epoxy @ 7 to 9 mils W.F.T to obtain 5 to 6 mils D.F.T., or the paint systems manufacturer’s recommended guidance. Ensure proper curing time between coatings.

5.3.5. 2nd coat: Apply 1 full coat of PPG 235 2-part paint @ 5 to 6 mils W.F.T to obtain 3 to 4 mils D.F.T., or the paint systems manufacturer’s recommended guidance. Ensure proper curing time between coatings.

5.3.6. All surfaces from Keel to Wheelhouse and Bow to Stern shall keep the current color scheme. This includes but is not limited to all decks, stairs, ladders, handrails, close chalks, bulwarks, bits capstans, and the main house.

5.3.7. PPG Representative shall be present to inspect that all surfaces have been prepped correctly and that all coatings have been applied in the correct order and that thicknesses meet the standards above.

5.3.8. CRANE IS NOT INCLUDED. CRANE SHALL BE COVERED BY A

SECURED PROTECTIVE COVERING TO PROTECT IT FROM ANY

DEBRIS GETTING INTO THE GREASED AREAS. Protective covering shall be inspected on a regular basis, but at a minimum before the start of each work shift to ensure integrity of protective covering.

6.1.1. Notify the COR/ACOR by condition found report of any conditions which may impact the completion of the work scope.

6.2. DELIVERABLES:

6.2.1. Furnish daily manpower and equipment reports.

6.2.2. Specification sheet for paint system being utilized, to include the manufacturer’s application procedures/parameters.

6.2.3. Submit a report for Hull Coating condition after cleaning, but prior to application of the paint system.

6.2.4. Copy of certificate/qualification of paint inspector.

7. NOTES:

7.1. Incorporate the applicable instructions in #0000 General Specifications in this item.

7.2. Underwater hull coatings in addition to the above are specified in items for sea chests, tank scale removal, and bow thruster tunnel maintenance and repairs.

0003) SEA CHEST MAINTENANCE:

1.1. This item intends to repair the vessel's sea chest anticorrosive coatings and protective anode system for a period of a five-year drydocking interval.

2.1 M.V. Barbara Lois "Docking Plan and Anode Location" Dwg. #A-4

2.2 M/V Barbara Lois “Sea Chest” Dwg. #S-19

3. ITEM LOCATION/ DESCRIPTION:

3.1 LOCATION:

3.1.1 Forward sea chest between Fr 21 and 22 near

the centerline.

3.1.2 After sea chest port of centerline 6'3" between Fr. 35

and Fr. 36.

3.2 DESCRIPTION:

3.2.1 Existing anticorrosive system is provided by PPG Paint Co.

3.2.2 Last application took place in 2013 consisting of a fresh coat of

PPG coatings.

3.2.3 Each sea chest is 16" in diameter and fitted with a 3/8" bolted strainer plate 14" in diameter.

4.1 EQUIPMENT None

4.2 MATERIALS None

4.3 SERVICES None

5. SCOPE OF WORK:

5.1 SEA CHEST INSPECTION AND PREPARATIONS:

5.1.1 As soon as possible after drydocking unbolt and remove the strainer covers to the sea chests and set them aside for access. All sea chest internal surfaces are to be cleaned with high-pressure fresh water (3000 psi minimum at the nozzle) to remove contamination and marine growth before inspections.

5.1.2 Remove and renew two aluminum sacrificial anodes as original, approx. 1-1/4" by 6" by 12" for each sea chest. Mask these anodes before coating operations. Call for attendance of COR/ACOR.

5.2 COATING OPERATIONS:

5.2.1 Monitors drydock environmental conditions and verify that temperature and humidity at the sea chests are maintained a n d suitable f o r the application of the anticorrosive coating system.

5.2.2 Grit blast sea chests and strainer plates to the standard dictated by SSPC SP10 Near White Metal Blast over 100% of the surfaces.

5.2.3 Upon approval of the grit blasting by the COR/ACOR, application of the first coat may begin.

5.2.4. Apply the underwater anticorrosive coating system specified in item (0002 Underwater Coatings) to the interior of the sea chests and the strainer plates.

5.3 SEA CHEST COMPLETION:

5.3.1 Following inspection of the sea chest coatings by the

COR/ACOR anode masking.

5.3.2 Reinstall the strainer plates with new 2" by 100 %", 316 stainless steel hex machine bolts. Four bolts are required for each plate. Call for attendance of the COR/ACOR

5.4 CHECKPOINTS: Call for attendance of the COR/ACOR at the

following milestones: 5.1.2, 5.2.3, 5.3.1 and 5.3.2

6.1 PERFORMANCE:

6.1.1 Notify the COR/ACOR by condition found report of any

conditions which may impact the completion of the work scope.

6.2 DELIVERABLES:

6.1.2. Call for the attendance of COR/ACOR on all checkpoints.

item.

0004) M/V BARBARA LOIS SEA VALVE REPLACEMENT:

1.1. This item intends to purchase, remove, and replace the vessel's underwater hull valves for a period of a five-year drydocking interval.

2.1. M.V. Barbara Lois "Docking Plan and Anode Location" Dwg. #A-4

2.2. M/V Barbara Lois “Sea Chest” Dwg. #S-19

3.1. Location:

3.1.1. Forward Sea Chest between FR 21 and 22 near the centerline is served by 5", 2.5", and 1" gate valves.

3.1.2. Aft Sea Chest port of centerline 6'3" between Fr. 35 and 36 is served by 8",2.5”, and 1” gate valves.

3.2. Description:

3.2.1. Fwd. Sea Chest Valves

3.2.1.1. 5” gate valve

3.2.1.2. 2.5” gate valve

3.2.1.3. 1” gate valve

3.2.2. Aft. Sea Chest Valves

3.2.2.1. 8” flanged and bolted gate valve

3.2.2.2. 1” threaded gate valve

3.2.2.3. 2.5” gate valve

4. GOVERNMENT-FURNISHED:

4.1 EQUIPMENT None

4.2 MATERIALS None

4.3 SERVICES None

5.1. Sea Valve Removals & Replacements:

5.1.1. Unbolt and dismount the sea valves identified in

section 3.1.1. & 3.1.2. below. Hand de-scale the open sea chest flanges.

5.1.2. Using heavy plywood or other solid substance, blank

the flange mounts of the sea valves before sea chest grit blasting.

5.1.3. Apply the underwater anticorrosive coating system to

the interior of the sea chests and strainer plates.

5.1.4. Remove blanks following coating completions in the sea chest.

5.1.5. Replace all sea valves identified in sec 3.1.1. – 3.1.2.

5.1.6. Install new flanged valves with 3mm thick high-strength compressed fiber

Garlock MULTI-SWELL or equal gaskets and fasteners. Before installing the valves, remove the blanks installed in step 5.1.2. and properly clean all pipeline flanged surfaces.

5.1.7. Visually examine and hammer test all shell fastenings securing the valves and associated parts such as pads, nipples, spuds, spool pieces, studs, and flanges.

5.1.8. Free up, lubricate, and prove all valve reach rods are operational, where fitted.

5.1.9. Prove proper operation of valves.

5.1.10. All reinstalled sea valves shall be checked for leaks during un-docking the ship, before floating, as specified in dry-docking items, in the presence of the captain, engineer, and COR.

5.1.11. Disturbed surfaces in the bilge shall be renewed to maintain preservation system integrity.

6. PERFORMANCE CRITERIA AND DELIVERABLES:

6.1. PERFORMANCE

6.1.1 Notify the COR/ACOR by condition found report of any condition which may impact the completion of the work scope.

6.2.1. See sec. 3.2.

7.1. Incorporate the applicable instructions in #0000 General Specifications in this item.

0005) PROPELLER SHAFT AND RUDDER BEARING AND

PACKING:

This item intends to inspect and repair the vessel’s propeller shaft and rudder bearing and packing for a five-year drydock interval.

2.1. M/V Barbara Lois Docking Plan and Anode Locations Dwg. #A-4

2.2. M/V Barbara Lois “Gen. Arr. & Outboard Profile” Dwg. #A-1

2.3. M/V Barbara Lois “Propulsion Unit Foundation” Dwg. # S-10

2.4. M/V Barbara Lois “Shaft Arrangement” Dwg. # M-1

2.5. M/V Barbara Lois “Steering System” Dwg. # M-3

3. ITEM LOCATION / DESCRIPTION

3.1. LOCATION:

3.1.1. Port and Starboard propeller shaft between Fr. 50 and 56.

3.1.2. Port and Starboard Fairwater Struts Frame. 54.

3.1.3. Port and Starboard Rudder Shafts Fr. 58.

3.2. DESCRIPTION:

3.2.1. Propeller Shafts Cutlass bearings 7.75” ID Rubber.

4.1 EQUIPMENT None

5.1. BEARING MEASUREMENTS:

5.1.1. Measure wear-down clearances on both port and starboard stem tube.

Strut and rudder shaft upper and lower bearing. Deliver a typewritten report of the findings to the COR/ACOR.

5.2. PACKING RENEWAL:

5.2.1. Remove and dispose of the old rudder and propeller shaft packing.

5.2.2. Install new packing as original and reassemble packing gland.

5.2.3. Final adjustment of the propeller shaft packing and rudder packing to be

Accomplished during refloating of the vessel.

5.3. STRUT PRESERVATION:

5.3.1. Drain the struts through the ½” plug vet drain system provided in the presence of a COR/ACOR.

5.3.2. Restore internal preservative coating using float coat product.

5.3.3. Application of preservative shall be per manufacturer’s instructions for small void application.

5.3.4. Resale the struts watertight.

5.4. CHECK POINT:

5.4.1. Call for attendance of the COR/ACOR at the following

milestones: 5.1.1, 5.2.3 and 5.3.1.

6.1. DELIVERABLES:

6.1.1. Wear down measurements of section 5.1.1.

6.2. PERFORMANCE:

6.2.1. Notify the COR/ACOR by condition found report of any condition which may impact the completion of the work scope.

7. NOTES:

0006) PROPELLER SHAFT AND RUDDER REMOVAL,

INSPECTION, AND RE-INSTALLATION:

This item intends to remove and repair the vessel’s propeller shaft and rudder shafts and bearings if found significantly worn or damaged. This is an optional item for price comparison and the decision to proceed will be taken when results of item #0005 measurements and inspections are available.

2.1. M.V. Barbara Lois "Docking Plan and Anode Locations" Dwg. #A-4

2.2. M.V. Barbara Lois "Gen. Arr. & Outboard Profile" Dwg. #A-1

2.3. M/V Barbara Lois “Shaft Arrangement” Dwg. # M-1

2.4. M/V Barbara Lois “Steering System” Dwg. # M-3

3.1.1. Port and Starboard propeller and rudder shafts between Fr. 50 and 56.

3.1.2. Port and Starboard fairwater struts Fr. 54.

3.2. DESCRIPTION:

3.2.1. Stainless steel four-blade propellers port and starboard

3.2.2. Propeller weight #2,100

3.2.3. Hub seals 7 ¾” x ½” diameter "0" rings.

3.2.4. Rudders Port and Starboard

4. GOVERNMENT-FURNISHED EQUIPMENT

/MATERIAL/SERVICES

4.1. EQUIPMENT NONE

4.2. MATERIAL NONE

4.3. SERVICES NONE

5.1. PROPELLER REMOVAL:

5.1.1. Grind out the tack welds securing both port and starboard propeller

Nut and remove same from shafts.

5.1.2. Remove and set aside rope guards from each propeller.

5.1.3. Unbolt 8 each ½” stainless steel bolts from hub seal rings.

5.1.4. Unship and rig each propeller to a safe location on the drydock floor

5.1.5. Tag and set aside propeller keys and loose parts for reassembly upon completion of repairs.

5.1.6 Notify the COR/ACOR of removal for joint inspection.

5.2. SHAFT REMOVALS:

5.2.1. Packing gland should already be disassembled in conjunction with item 0005 4.2. inspections.

5.2.2. Unbolt and disconnect the propulsion shafts from the reduction gear coupling. Remove shaft couplings and set them aside for reinstallation.

5.2.3. Withdraw shafts carefully and land on suitable wooden supports in a safe location on the drydock floor.

5.2.4. Clean each shaft for dye penetrant inspection of propeller and coupling keyways, propeller nut threads, and tapers. Wire brush to clean the ends of shaft liners for dye penetrant inspections.

5.2.5. Perform inspections by qualified technicians. Render results of testing for joint examination by COR/ACOR.

5.3. BEARING MEASUREMENTS:

5.3.1. Measure using a micrometer the diameters of the shafts in way of the bearings in two locations for each bearing.

5.3.2. Measure the inside diameters of cutlass bearings horizontally and vertically on both ends of all bearings.

5.3.3. Record and furnish a condition report of findings from sections

5.3.1 and 5.3.2 above to the COR/ACOR.

5.4. SHAFT AND PROPELLER REINSTALLATION:

5.4.1. Flush and thoroughly clean shaft tubes and water scoops to ensure they a r e free of mud and marine growth. Render for inspection by the

COR/ACOR.

5.4.2. Reinstall shafts and propellers in good order.

5.4.3. Furnish new O-ring seals for propeller hubs. (see section 3.2.3)

5.4.4. Renew as original the keyway rubber filler inserts.

5.4.5. Harden up on propeller nuts in the presence of the COR/ACOR, and upon approval, tack weld the same as original.

5.4.6. Reinstall hub seals and rope guards.

5.4.7. Repair damaged anticorrosive coatings per the hull coating system.

(See item 0002).

5.5. RUDDER REMOVAL

5.5.1. Packing gland should already be disassembled in conjunction with item 0005 4.2. inspections.

5.5.2. Unbolt and disconnect the rudder shaft from the coupling main deck at the access point port and starboard sides. Remove shaft couplings and set them aside for reinstallation.

5.5.3. Withdraw shafts carefully and land on suitable wooden supports in a safe location on the drydock floor.

5.5.4. Clean each shaft for dye penetrant inspection of coupling keyways, nut threads, and tapers. Wire brush to clean the ends of shaft liners for dye penetrant inspections.

5.5.5. Perform inspections by qualified technicians. Render results of testing for joint examination by COR/ACOR.

5.6. BEARING MEASUREMENTS:

5.6.1. Measure using a micrometer the diameters of the shafts in way of the bearings in two locations for each bearing.

5.6.2. Measure the inside diameters of cutlass bearings horizontally and vertically on both ends of all bearings.

5.6.3. Record and furnish a condition found report of findings from sections 5.6.1 and 5.6.2 above to the COR/ACOR.

5.7. RUDDER REINSTALLATION:

5.7.1. Flush and thoroughly clean shaft tubes and water to ensure they are free of mud and marine growth. Render for inspection by the

COR/ACOR.

5.7.2. Reinstall rudders in good order.

5.7.3. Renew as original the keyway.

5.7.4. Harden up on propeller nuts in the presence of the COR/ACOR and upon approval tack weld the same as original.

5.7.5. Repair damaged anticorrosive coatings per the hull coating system.

(See item 0002)

5.8. CHECKPOINTS: Call for attendance of the COR/ACOR at the following milestones: 5.1.6, 5.2.5, 5.4.1, 5.4.5, 5.5.5 and 5.7.1

6. PERFORMANCE CRITERIA/DELIVERABLES

6.1. DELIVERABLES:

6.1.1. Wear down measurements of sections 5.3.3 and 5.6.3

6.2. PERFORMANCE:

6.2.1. Notify the COR/ACOR by condition found report of any conditions which may impact the completion of the work scope.

0007) BOW THRUSTER:

1.1. This item intends to change out seals and gaskets on the vessel’s bow thruster and change out the gear oil. This work shall be accomplished with the guidance of the Manufacturer’s Representative or equivalate representative.

2.1. M/V Barbara Lois “Bow Thruster” Dwg. #M-4

2.2. Manufacturer: Harbor Master Marine Inc.

2.1. Repair service BNA Marine Services

3.1.1. Fr. 8 to 11, Transverse 44 "diameter tunnel across the forepeak.

3.2 DESCRIPTION:

3.2.1. Murray & Tregurtha Model BT-340 Tunnel Thruster.

EQUIPMENT/MATERIAL/SERVICES:

4.1. EQUIPMENT None

5.1. ACCESS AND SETUP:

5.1.1. Change out all seals with new seal style, and gaskets with new original parts.

5.1.1. Change out seals and gaskets per the manufacturer’s direction.

(See Harbormaster contact information 2.1).

5.1.1. Test run and verify that Bow Thruster is fully operational with no leaks per Manufacture warranty.

6. PERFORMANCE CRITERIA/DELIVERABLES

6.1.1. Notify the COR/ACOR by condition found report of any conditions which may impact the completion of the work scope.

6.2. DELIVERABLES:

6.2.1. Contractor provided material: Gear oil (80/90 wt. Royal Purple), seals and gaskets.

(0008) PURCHASE AND INSTALLATION OF (10)

MAGNETIC LIQUID LEVEL INDICATORS

FOR PORT & STBD FUEL OIL DAY TANKS

AND PORT & STBD #3 AND #4 FUEL TANKS

1.1. Installation of (2) 6 ft. magnetic liquid level indicators on Port & Stbd. diesel oil day tanks in the Barbara Lois engine room.

1.2. Installation of (8) 4 ft. magnetic liquid level indicators on the Port & Stbd. # 3 and # 4 fuel tanks in the engine room.

1.3. The installation of these indicators will let the mechanics have an idea of how much fuel is in the tanks without having to sound the tanks from the main deck.

2.1. None

3. ITEM LOCATION / DESCRIPTION:

3.1. Port and Starboard Day Tank FR.31-32.

3.2. #3 Port and Starboard Fuel Tank FR. 25-28.

3.3. #4 Port and Starboard Fuel Tank FR. 28-32.

4.1. EQUIPMENT None

5. Scope of Work: Remove old sight glasses and installation of magnetic liquid level indicators.

5.1. Old Sight Glass Removal:

5.1.1. Remove old sight glass from Port & Stbd. Diesel Oil Day Tanks.

5.1.2. Thread, square-headed plug into existing holes to seal each tank where old sight glass was removed.

5.2. Magnetic Level Indicators Installation:

5.2.1. Install new magnetic liquid level indicators on the Port & Stbd. Diesel Oil Day Tanks. (1) 6ft. indicator on each tank.

5.2.2. Install new magnetic liquid level indicators on the # 3 & # 4 Port & Stbd. Fuel Oil Tanks. (2) 4ft. indicators per tank.

6. PERFORMANCE CRITERIA /DELIVERABLES:

6.1.1. Notify the COR/ACOR by condition found report of any condition which may impact the completion of the work scope.

6.2. DELIVERABLES:

6.2.1. (2) 6 ft. Magnetic liquid level indicators

6.2.2. (8) 4 ft. Magnetic liquid level indicators

(0009) M/V BARBARA LOIS PORT TAIL SHAFT & ENGINE

ALIGNMENT

1.1. M/V Barbara Lois Port shaft alignment is out of tolerance, the Port Tail Shaft Coupling has .007 Runout. The coupling will need to be repositioned once the boat is in the dry dock.

2.1. M/V Barbara Lois “Shaft Arrangement” Dwg. #M-1

2.2. Feeler gauge report (See 8.)

2.3. Pictures (See 9.)

3. ITEM LOCATION/DISCRIPTION:

3.1. Port Main Engine

4.1. EQUIPMENT None

4.2. MATERIALS None

4.3. SERVICES None

5.1. Scope of Work:

5.1.1. Alignment checks of port gear tail output flange to shaft coupling.

5.1.2. Alignment of Reintjes gearbox output flanges to tail

shaft couplings & installation of fitted bolts.

5.1.3. Alignment of Port Detroit engine to Reintjes gearbox.

5.1.4. Fabrication and installation of any jacking brackets and bolts that are required.

5.1.5. Manipulate the engine using jacking bolts until

manufacturer tolerances are met.

5.1.6. Ensure the bell housing of the Vulkan coupling is

properly mated to the engine flywheel.

5.1.7. All fasteners were properly torqued, and all split

dowels pins were hammered flush

5.1.8. Ensure the proper spacing of the main engine.

5.1.9. Check and record the engine crankshaft thrust.

5.1.10. During alignment check and record all Vulkan coupling tolerances and specification

5.1.11. Build Chock Fast Reservoirs

5.1.12. Pour and Seal the Resin

5.1.13. Perform final alignment check with laser after 24-hour cure of the resin.

6.1. Performance:

6.1.1. Notify the COR/ACOR by condition found report of any condition

6.2. Deliverables:

6.2.1. The contractor shall provide the following tools and parts and install them as a part of the engine alignment:

6.2.1.1. Calibrated Laser alignment tools

6.2.1.2. Jacking bracket and bolts

6.2.1.3. Chock Fast Resin

6.2.1.4. Damming Foam

7. FEELER GAUGE REPORT

7.1. Provide feeler gauge report showing the Port Tail Shaft Coupling has a .0007 runout to COR/ACOR. The coupling will need to be repositioned once the boat is in the shipyard.

8. PICTURES:

8.1. Vulcan coupling Model # EZR 1022 coupled to the port main engine.

8.2. Port Main Engine (Detroit Diesel 16V149na) &

Reduction gear (Eisenwerke Rientjes Gmbh Hamelin Model WAV800) Aft View

8.3. Front view of Port Main Engine

9. NOTES:

9.1. Incorporate the applicable instructions in #0000 General Specifications in

(0010) M/V BARBARA LOIS – TANK STEEL REPAIRS,

CLEANING & COATINGS

1.1. This item intends to make repairs of wasted steel in the tanks on the

M/V Barbara Lois

2.1. M/V Barbara Lois Gen. Arr. & Outboard Profile Dwg. #12-90-A1

2.2. M/V Barbara Lois “Profile Hold Plan and Arrangements” Dwg. # A-1

2.3. M/V Barbara Lois “Inbd. Profile, Long’l Bhds., Girders & Trusses Dwg. S-

1.

2.4. M/V Barbara Lois “Main Deck & Bottom Scantlings” Dwg. # S-2

2.5. M/V Barbara Lois “FR 4 thru 21” Dwg. #S-3

2.6. M/V Barbara Lois “FR 2/A thru 28” Dwg. #S-4

2.7. M/V Barbara Lois “FR 28-A thru 39” Dwg. # S-5

2.8. M/V Barbara Lois “FR 40 thru 52” Dwg. #S-6

2.9. M/V Barbara Lois “FR 53 thru Transom” Dwg. #S-7

3.1. Forepeak Ballast Tanks Fr. 0-11

3.2. Centerline Slop Tank Fr. 11-21

3.3. #1 Port & Stbd. Ballast Tanks Fr. 11-21

3.4. # 3 Port & Stbd. Double Bottom Ballast Tanks Fr. 25-28

3.5. # 4 Port & Stbd. Double Bottom Ballast Tanks Fr. 28-32

3.6. # 5 Port & Stbd. Ballast Tanks Fr. 45-49.

3.7. # 6 Port & Stbd. Ballast & Fresh Water Tanks Fr. 49-59.

3.8. Afterpeak Ballast Tanks Fr. 59-Transom

4. GOVERNMENT-FURNISHED EQUIPMENT/MATERIAL/SERVICE:

EQUIPMENT: None.

MATERIAL: None.

SERVICES: None.

5.1. Forepeak Ballast Tank

5.1.1. The Contractor shall provide the necessary labor, material, equipment, and services to accomplish the following repairs to be completed.

5.1.2. One (1) Horizontal Stringer Web and Web Flange Port side are to be removed and replaced. Approximately 192”. of 18”x 3” x 5/16”. The horizontal Stringer Web and Web Flange are in the Fore Peak Ballast tank FR-4 to FR-11 on the Port side. Wastage is approximately 40%.

5.1.3. One (1) Horizontal Stringer Web and Web Flange

Starboard side are to be removed and replaced.

Approximately 192”. of 18”x 3” x 5/16”. Horizontal Stringer Web and Web Flange are located in the Fore Peak Ballast tank FR-4 to FR-11 on the Starboard side. Wastage is approximately 40%.

5.1.4. One (1) Transverse Frame at FR.8 shall be removed and

replaced. Approximately 192”. - 3” X 5/16. Wastage is approximately 35%.

5.1.5. Two (2) Transverse Flange Plates FR. 9-10 shall be

removed and replaced. Approximately 192” 18” X 3” X 5/16. Approximately 35% wastage.

5.1.6. Two (2) Breast hooks upper and lower FR. 3-5. Shall be removed and replaced. Approximately 18” x 3” X 5/16”.

Wastage is approximately 45%.

5.2. Centerline Slop Tank

5.2.1. One (1) Centerline Slop Tank Port Common WT

BHD FR. 11-21. Crop out the entire bulkhead port side of the tank. Wastage is approximately 35%.

5.2.1.1. Crop out and renew Vertical BHD stiffeners from FR.

12-20, 48” each frame.

5.2.1.2. Vertical BHD stiffeners 9 each 6” X 4” x 3/8”.

5.2.1.3. Steel plate Port side of tank approximately 240” X 48”

X 5/16”

5.2.2. One (1) Centerline Slop Tank Starboard Common WT BHD

FR. 11-21. Crop out the entire bulkhead starboard side of the tank. Wastage is approximately 35%.

5.2.2.1. Crop out and renew the entire starboard side of the

tank from the tank top deck to the hull.

5.2.2.2. Vertical BHD Stiffeners 9 each 6” X 4” X 3/8”.

5.2.2.3. Vertical BHD Stiffeners FR. 12-17, 6 each 42” and FR. 18-

20, 3 each 48” to cropped out.

5.2.1.4. Steel plate approximately 240” X 48” X 5/16”.

5.2.3. One (1) Centerline Slop Tank Aft BHD FR. 21. Crop out the entire bulkhead at the Aft end of the tank. Wastage is approximately 35%.

5.2.3.1. Crop out and renew the entire Aft WT BHD from the tank top deck to the hull.

5.2.3.2. Steel Plate is approximately 48” X 48” X 5/16”.

5.2.4. Flange Plate FR. 18-20, 3 each 4ft. Wastage is

approximately 35%.

5.2.4.1. 3 each steel flange plate is approximately 48”. X 15” X 3”

X 5/16”.

5.2.5. 2” Deck drain at the top of the deck FR. 16-21. Crop out the entire drain and drainpipe. Wastage is approximately 35%.

5.2.5.1. Crop out and renew the deck drain and pipe.

5.2.5.2. Deck drain shall be a marine type with grating

to keep large debris out of the pipe. The dimensions of the drain are approx. 4” X 2”

5.2.5.3. Drainpipe from deck drain (1) 2” 90 will be needed.

5.2.5.4. Drainpipe is approximately 168”. x 2” schedule 80.

5.2.6. Air-test the slop tank for leaks after all work is

completed on this tank and make it ready for use.

5.2.7. Air test adjoining tanks for leaks after all work is

completed on this tank and make it ready for use.

5.3. #1 Port and Starboard Ballast Tanks

5.3.1. One (1) Transverse Frame Flange and Web Starboard side FR.14 are to be removed and replaced. Approximately 168”.

6” X 3-1/2” X 5/16”. Wastage is approximately 60%

5.3.2. One (1) Transverse Frame Flange and Web Port side FR.14 are to be removed and replaced. Approximately 168”. 6” X 3-1/2” X 5/16”. Wastage is approximately 60%.

5.3.3. One (1) Transverse Frame Flange and Web Port side FR. 15 are to be removed and replaced. Approximately 192”. 6” X 3- 1/2” X 5/16” Wastage is approximately 30%.

5.3.4. One (1) Transverse Frame Flange and Web Starboard side FR. 15 are to be removed and replaced. Approximately 108”. 6” X 3-1/2” X 5/16” from WT BHD towards the starboard side shell. Wastage is approximately 30%.

5.3.5. One (1) Transverse Frame Flange and Web Starboard side FR. 15 are to be removed and replaced. Approximately 108”. 6” X 3-1/2” X 5/16” from WT BHD towards the starboard side shell. Wastage is approximately 30%.

5.3.6. One (1) Transverse Frame Flange and Web Port side FR. 16 are to be removed and replaced. Approximately 96”. 6” X 3-1/2” X 5/16” from WT BHD towards the Port side shell. Wastage is approximately 30%.

5.3.7. One (1) Transverse Frame Flange and Web Starboard side FR. 16 are to be removed and replaced. Approximately 204”.

6” X 3-1/2” X 5/16” Wastage is approximately 30%.

5.3.8. One (1) Transverse Frame Flange and Web Port side FR. 17 are to be removed and replaced. Approximately 96”. 6” X 3-1/2” X 5/16” from the top of the tank. Wastage is approximately 30%.

5.3.9. One (1) Transverse Frame Flange and Web Starboard side FR. 17 are to be removed and replaced. Approximately 12”. 6” X 3-1/2” X 5/16” starting 8ft from WT BHD to Starboard side shell.

Wastage is approximately 30%.

5.3.10. One (1) Transverse Frame Flange and Web Port side FR. 18 are to be removed and replaced. Approximately 240”. 6” X 3-1/2” X 5/16” from the top of the tank. Wastage is approximately 30%.

5.3.11. One (1) Transverse Frame Flange and Web Starboard side FR.

18 are to be removed and replaced. Approximately 123”. 6” X 3-

1/2” X 5/16” from WT BHD to starboard side shell. Wastage is approximately 30%.

5.3.12. One (1) Transverse Frame Flange and Web Port side FR. 19 are to be removed and replaced. Approximately 252”. 6” X 3-1/2” X 5/16” from the top of the tank. Wastage is approximately 30%.

5.3.13. One (1) Transverse Frame Flange and Web Starboard side FR.

19 are to be removed and replaced. Approximately 252”. 6” X 3-1/2” X 5/16” from the top of the tank. Wastage is approximately 30%.

5.3.14. One (1) Transverse Frame Flange and Web Starboard side FR.

19 are to be removed and replaced. Approximately 264”. 6” X 3-1/2” X 5/16” from the top of the tank and vertical against the WT BHD 48”. from the bottom of the tank up. Wastage is approximately 30%.

5.3.15. One (1) Longitudinal Bottom Girder FR. 11-20 shall be removed and replaced. Approximately 204”. 18” X 3” X 5/16”. Wastage is approximately 60%.

5.4. #3 Port and Starboard Double Bottom Ballast Tanks

5.4.1. Port side FR. 25-28 reweld all detached Longitudinal Stiffeners that have separated from the hull plate. There are approximately 5 locations within these frames where this has occurred.

5.4.2. Starboard side FR. 25-28 reweld all detached Longitudinal Stiffeners that have separated from the hull plate. There are approximately 3 locations within these frames where this has occurred

5.5. #4 Port and Starboard Double Bottom Ballast Tanks

5.5.1. Port side FR. 28-32 Reweld all detached Longitudinal

Stiffeners that have separated from the hull plate. There are approximately 2 locations within these frames where this has occurred.

5.5.2. Starboard side FR. 28-32 Reweld all detached Longitudinal Stiffeners that have separated from the hull plate. There are approximately 2 locations within these frames where this has occurred.

5.6. #5 Port and Starboard Ballast Tanks

5.6.1. One (1) Transverse Frame Flange and Web Port side Top of tank

FR. 46 are to be removed and replaced. Approximately 156”. 4” X 3” X 5/16” from WT BHD towards NT BHD. Wastage is approximately 45%.

5.6.2. One (1) Transverse Frame Flange and Web Port side Bottom of tank FR. 46 are to be removed and replaced. Approximately 168”. 4” X 3” X 5/16” from WT BHD towards NT BHD.

Wastage is approximately 60%.

5.6.3. One (1) Bottom corner bracket shall be removed and replaced with Port side FR. 46 at the bottom of the NWT BHD.

Approximately 12” X 12” X 5/16”. Wastage is approximately 45%.

5.6.4. One (1) Bottom corner bracket shall be removed and

replaced with Starboard side FR.46 at the bottom of the NWT BHD. Approximately 12” X 12” X 5/16”. Wastage is approximately 45%.

5.6.5. One (1) Transverse Frame Flange and Web Port side Top of tank FR. 47 are to be removed and replaced. Approximately 156”. 4” X 3” X 5/16” from WT BHD towards NT BHD. Wastage is approximately 45%.

5.6.6. One (1) Transverse Frame Flange and Web Port side Bottom of tank FR. 47 are to be removed and replaced. Approximately 168”. 4” X 3” X 5/16” from WT BHD towards NT BHD.

Wastage is approximately 50%.

5.6.7. One (1) Starboard N.W.T BHD FR. 47 shall be

removed and replaced. Approximately 48” X 84” X 7/16”. Wastage is approximately 50%

5.6.8. One (1) Bottom corner bracket shall be removed and replaced with Port side FR. 47 at the bottom of the NWT BHD.

Approximately 12” X 12” X 5/16”. Wastage is approximately 40%.

5.6.9. One (1) Bottom corner bracket shall be removed and replaced with Starboard side FR. 47 at the bottom of the NWT BHD.

Approximately 12” X 12” X 5/16”. Wastage is approximately 40%.

5.6.10. One (1) Transverse Frame Flange and Web Port side Top of tank FR. 48 are to be removed and replaced. Approximately 156”. 4” X 3” X 5/16” from WT BHD towards NT BHD. Wastage is approximately 55%.

5.6.11. One (1) Transverse Frame Flange and Web Port side Bottom of tank FR. 48 are to be removed and replaced. Approximately 168”. 4” X 3” X 5/16” from WT BHD towards NT BHD.

Wastage is approximately 50%.

5.6.12. One (1) Bottom corner bracket shall be removed and replaced with Port side FR. 48 at the bottom of the NWT BHD.

Approximately 12” X 12” X 5/16”. Wastage is approximately 40%.

5.6.13. One (1) Bottom corner bracket shall be removed and replaced with Starboard side FR. 48 at the bottom of the NWT BHD.

Approximately 12” X 12” X 5/16”. Wastage is approximately 40%.

5.6.14. One (1) Starboard Aft Bulkhead FR.49 shall be

removed and replaced. Approximately 168” X 120” X 3/8”. Wastage is approximately 50%.

5.7. #6 Port and Starboard Ballast & Fresh Water Tanks

5.7.1. One (1) Side Shell Plate FR. 49-50 is to be removed and replaced.

Approximately 28” X 42” X 3/8”. Wastage is approximately 50%.

5.7.2. One (1) Transverse Frame Flange and Web Port side Top of tank FR. 50 are to be removed and replaced. Approximately 192”. 8” X 3” X 5/16” from Longitudinal BHD towards the side shell.

Wastage is approximately 55%.

5.7.3. One (1) Transverse Frame Flange and Web Port side Bottom of tank FR. 50 are to be removed and replaced. Approximately 108”.

8” X 3” X 5/16” from Longitudinal BHD towards the side shell.

Wastage is approximately 50%.

5.7.4. One (1) Outboard Transverse Frame Flange and Web Starboard side FR. 50 are to be removed and replaced. Approximately 72”.

8” X 3” X 5/16”.

5.7.5. One (1) Transverse Frame Flange and Web Starboard side Bottom of tank FR. 50 are to be removed and replaced.

Approximately 108”. 8” X 3” X 5/16” from Longitudinal BHD towards the side shell. Wastage is approximately 50%.

5.7.6. One (1) Transverse Frame Flange and Web Port side Bottom of tank FR. 51 are to be removed and replaced. Approximately 108”.

8” X 3” X 5/16” from Longitudinal BHD towards the side shell.

Wastage is approximately 40%.

5.7.7. One (1) Outboard Transverse Frame Flange and Web Starboard side FR. 51 are to be removed and replaced. Approximately 72”.

8” X 3” X 5/16”. Wastage is approximately 50%.

5.7.8. One (1) Transverse Frame Flange and Web Starboard side Bottom of tank FR. 51 are to be removed and replaced.

Approximately 108”. 8” X 3” X 5/16” from Longitudinal BHD towards the side shell. Wastage is approximately 40%.

5.7.9. One (1) Transverse Frame Flange and Web Port side Top of tank FR. 52 are to be removed and replaced. Approximately 192”. 8” X 3” X 5/16” from Longitudinal BHD towards the side shell.

Wastage is approximately 35%.

5.7.10. One (1) Transverse Frame Flange and Web Port side Bottom of tank FR. 52 are to be removed and replaced. Approximately 108”. 8” X 3” X 5/16” from Longitudinal BHD towards the side shell. Wastage is approximately 50%.

5.7.11. One (1) Outboard Transverse Frame Flange and Web Starboard side FR. 52 are to be removed and replaced. Approximately 60”. 8” X 3” X 5/16”. Wastage is approximately 50%.

5.7.12. One (1) Transverse Frame Flange and Web Starboard side Bottom of tank FR. 52 are to be removed and replaced.

Approximately 108”. 8” X 3” X 5/16” from Longitudinal BHD towards the side shell. Wastage is approximately 45%.

5.7.13. One (1) Transverse Frame Flange and Web Port side Top of tank FR. 53 are to be removed and replaced. Approximately 192”. 8” X 3” X 5/16” from WT BHD towards the side shell.

Wastage is approximately 45%.

5.7.14. One (1) Transverse Frame Flange and Web Port side Bottom of tank FR. 53 are to be removed and replaced. Approximately 192”. 8” X 3” X 5/16” from WT BHD towards the side shell.

Wastage is approximately 45%.

5.7.15. One (1) Outboard Transverse Frame Flange and Web Starboard side FR. 53 are to be removed and replaced. Approximately 72”. 8” X 3” X 5/16”. Wastage is approximately 50%.

5.7.16. One (1) Transverse Frame Flange and Web Starboard side Bottom of tank FR. 53 are to be removed and replaced.

Approximately 96”. 8” X 3” X 5/16” from WT BHD towards the side shell. Wastage is approximately 40%.

5.7.17. One (1) Transverse Frame Flange and Web Port side Bottom of tank FR. 54 are to be removed and replaced. Approximately 84”. 8” X 3” X 5/16” from the side shell towards the WT BHD.

Wastage is approximately 40%.

5.7.18. One (1) Transverse Frame Flange and Web Port side Bottom of tank FR. 54 are to be removed and replaced. Approximately 84”. 8” X 3” X 5/16” from the side shell towards the WT BHD.

Wastage is approximately 40%.

5.7.19. One (1) Transverse Frame Flange and Web Starboard side Bottom of tank FR. 54 are to be removed and replaced.

Approximately 192”. 8” X 3” X 5/16” from WT BHD towards the side shell. Wastage is approximately 60%.

5.7.20. One (1) Transverse Frame Flange and Web Port side Top of tank FR. 55 are to be removed and replaced. Approximately 192”. 8” X 3” X 5/16” from the side shell towards the WT

BHD. Wastage is approximately 45%.

5.7.21. One (1) Transverse Frame Flange and Port side Bottom of tank FR. 55 are to be removed and replaced. Approximately 192”. 8” X 3” X 5/16” from WT BHD towards the side shell.

Wastage is approximately 50%.

5.7.22. One (1) Transverse Frame Flange and Web Starboard side Bottom of tank FR. 55 are to be removed and replaced.

Approximately 96”. 8” X 3” X 5/16” from WT BHD towards the side shell. Wastage is approximately 60%.

5.7.23. One (1) Longitudinal Inboard Deck Girder Web and Flange Port side FR. 49-53 are to be removed and replaced.

Approximately 96”. 15” X 3” X 5/16”. Wastage is approximately 35%.

5.7.24. One (1) Longitudinal Outboard Deck Girder Web and Flange Port side FR. 49-52 are to be removed and replaced.

Approximately 96”. 15” X 3” X 5/16”. Wastage is approximately 50%.

5.8. Aft Peak Ballast Tank

5.8.1. One (1) Transverse W.T. Bulkhead Starboard side FR. 59 is to be removed and replaced. The area is approximately 48” X 36” X 7/16”. Wastage is approximately 30%.

5.8.2. One (1) Vertical Stiffener Web and Flange Starboard side FR. 59, 5 stiffeners from the N.T. BHD is to be removed and replaced.

Approximately 24”. 4” X 3” X 5/16”. Wastage is approximately 30%.

5.8.3. One (1) Vertical Stiffener Web and Flange Starboard side FR. 59, 1 stiffener from the N.T. BHD is to be removed and replaced.

Ap…