FB-670_DDX_Spec_2019_R2_082019.pdf

FB-670 DDX 2019 Page 1

DESCRIPTION/SPECIFICATIONS/WORK STATEMENT

GENERAL INFORMATION

1. The subject vessel is owned by the United States of America acting through the

Maritime Administration, Department of Transportation (herein after called Marad).

2. The contractor shall provide all labor, material, and equipment necessary to make all removals and restorations; remove and replace interference’s; rig and unrig; make all disassembles and subsequent reassemblies to accomplish the work specified herein.

All work shall be in compliance with the latest Regulatory Body requirements. The term, “Regulatory Bodies” includes the American Bureau of Shipping, United States Coast Guard, United States Public Health Service, the Department of Labor Occupational Safety and Health Administration, and the Institute of Electrical and Electronic Engineers.

3. If, in the performance of any work required in these Specifications, it becomes necessary to remove or disturb any structural part of the vessel, the contractor shall, upon completion of that work, reinstall or renew if necessary any affected structural part and restore to original conditions of durability, appearance, and seaworthiness.

All temporary removals in the way of the work are to be replaced in good order.

4. Any and all removed equipment or parts remain the property of the government and is to be left aboard the vessel. The contractor shall re-deliver the vessel in the same clean and orderly condition as when received.

5. All work specified shall be accomplished and completed in conformity with the highest standards of shipbuilding practices. All items contained in these Specifications must be proved to the satisfaction of the Contracting Officer’s Representative (COR).

6. The term “or equal” means that components, equipment or material shall be equivalent in terms of performance, services required, compatibility with interrelated systems and arrangements and supportability over the service life of the components or equipment.

In the case of component or equipment substitution for those components or equipment noted on the Contract Guidance Drawings or Specification, the Contractor shall submit a written request delineating the design and the performance data on both the specified and substituted piece of equipment for COR approval and if approved, the Contractor shall take full contractual and technical responsibility for ensuring installation of components or equipment’s or both and compatibility with interrelated systems.

7. The terms “Replace” or “Renew” mean to remove the existing unit, equipment, or systems, including all interferences and to install a new unit, equipment or system which is either identical to or equal to that which was removed; the installation shall include at a minimum all hook-up, supports, and adapters which are required to effect a fully operational installation complete in all respects.

FB-670 DDX 2019 Page 2

8. Any repairs or other work resulting from recommendations or other discoveries after the vessel is docked are to be brought to the attention of the COR immediately by use of a contractor generated inspection report. Any such additional work will be subject to a delivery order. Additional work to be accomplished ONLY WHEN

AUTHORIZED IN WRITING.

9. Because this craft is not considered deep-sea worthy, all repair/upgrade work must be performed on this vessel in the San Francisco Bay area, such area to include the up-river areas of Sacramento and Stockton. The contractor shall be responsible for delivery from and to the Reserve Fleet, and shifting the vessel to and from drydock and within the contractor’s facility during the course of work.

10. The contractor shall gas-free or inert all spaces affected by the work described in this

Specification and is responsible for determining all spaces requiring gas freeing. All safety precautions contained in the United States Department of Labor Safety and Health Regulations for Ship Repairing, Title 29 CFR Parts 1501.10, 1501.11, 1501.12, 1501.14, and 1501.15 must be strictly observed. A copy of the gas-free certificate is to be presented to the COR before beginning work on the repairs. Initial Certificates are to be issued by a Certified Chemist, as will re-certifications if conditions change which will affect the Certificate. Gas-Free Certificates shall be updated daily by competent persons.

11. All welding shall meet ABS and USCG requirements and conform to American

Welding Society (AWS) standards. All welds shall be cleaned prior to painting. All surfaces which have been cut, drilled, welded, or otherwise modified shall be cleaned, free of grease, slag and foreign matter; and painted in accordance with the coating sections of these Specifications. Prior to any surface preparations the contractor will conduct a joint inspection of the welding repairs with the COR.

12. All dirt and debris resulting from the work required by these Specifications shall be removed from the vessel and disposed of at contractor’s expense. All affected areas shall be left clean and in good order at the end of the dry-docking period.

13. The FB-670 is a deck cargo barge, steel construction, of the U.S. Army BC-type, built in about 1944. Vessel particulars are as follows:

• Length, overall: 110 feet

• Breadth, molded: 32 feet

• Depth, molded: 9 feet

• Displacement, light: 97.9 long tons

• Draft, light: 1 foot 9 inches (approx.)

Specifics for the FB-670

Intent

FB-670 DDX 2019 Page 3

The intent of this specification is to drydock the vessel, clean and perform surface preparation to preserve the hull and main deck surfaces, perform preservation work in the internal compartments, and perform conversion work for ship anchor and chain handling on deck.

0001.1 DELIVERY

Provide tug(s), pilotage and riding crew as necessary, and any other services required to move the barge from its current berth in SBRF to the contractor’s shipyard. Provide assist tugs as required to place the barge in and out of the Contractor’s drydock. Upon completion of repairs, return the barge to SBRF.

0001.2 DRY-DOCKING

A. Drydock the vessel for inspection, coating and modifications as described herein.

At the completion of the required work, undock the vessel. All movement of the vessel on to and off of drydock shall be the contractor’s responsibility.

B. Fleet the vessel for access to hull areas obstructed by docking blocks to assure 100% coating coverage on hull bottom.

C. Provide a drydocking report to the COR showing both locations of blocks and anode locations prior to re-delivery and Government acceptance of the vessel.

0001.3 EXTERIOR HULL CLEANING AND INSPECTION

This section deals with the cleaning and inspection of the vessel’s exterior, which includes the entire hull (underwater and freeboard), main deck, vents and fittings.

A. Assure all manhole covers and vent pipes are secure. Water wash the entire barge exterior using high-pressure fresh water at a minimum of 3000 PSI to remove dirt, growth and salts. Examine hull and deck for apparent damage and coating failure.

Submit a written report within one day of conditions found showing discrepancies found and their location to the COR.

B. Handling, storage and disposal of hazardous waste, if any, generated as a result of the cleaning operation shall be the responsibility of the contractor, as being the generator. Disposal of any hazardous waste shall be at the contractor’s expense and in accordance with all local, state and federal regulations.

0001.4 EXTERIOR SURFACE PREPARATION

A. After protective measures have been accomplished, prepare surfaces for coating as follows:

FB-670 DDX 2019 Page 4

1. Underwater body: The underwater body of this barge has some heavy pitting that was faired-in with Red Hand or other similar filler material during a drydocking in 2010. Therefore, brush off blast to SSPC-SP 7 the AF coating without disturbing the filler material and leaving as much of the intact epoxy coating as possible on the hull. Spot blast to SSPC-SP 6 where coating has failed and corrosion is present. For estimating purposes, assume 30% of the underwater coating has failed.

2. Freeboard: Abrasive grit blast to SSPC-SP 6.

3. Main deck, vents, bitts, cleats and staples: Abrasive grit blast to SSPC-SP 6.

B. Upon completion of surface preparation, the Contractor is to make a visual inspection of the entire hull and main deck. Contractor is to submit a written report of the conditions found during this inspection and make recommendations, if any to the COR.

C. Handling, storage and disposal of hazardous waste, if any, generated as a result of surface preparation shall be the responsibility of the contractor, as being the generator. Disposal of any hazardous waste shall be at the contractor’s expense and in accordance with all local, state and federal regulations.

0001.5 EXTERIOR COATING

Contractor is to provide all labor, equipment and material to accomplish the following surface coating. All coating shall be applied in accordance with the coating manufacturer’s recommendations and under the supervision of the coating manufacturer’s representative.

A. UNDERWATER BODY (Keel to Deep Load Line)

1. Apply two (2) spot coats of Intershield 300V or equal to bare metal areas.

2. Apply one (1) full coats of Intershield 300V or equal.

3. Apply one (1) stripe coat of Intershield 300V or equal to all welds and hard corners. Alternate colors between coats to assure proper coverage.

4. Apply a second full coat of Intershield 300V or equal after stripe coat has dried.

5. Apply two (2) full coats of Interspeed 6400NA or equal, first coat Black, second coat Red.

B. FREEBOARD (Deep Load Line to Main Deck)

FB-670 DDX 2019 Page 5

1. Apply two (2) spot coats of Intershield 300V or equal.

2. Apply one (1) full coat of Intershield 300V or equal.

3. Apply one (1) stripe coat of Intershield 300V or equal to all welds and hard

4. Apply a second full coat of Intershield 300V or equal after stripe coat has dried.

5. Apply one (1) full coat of Interthane 990HS or equal, Black.

6. Draft markings are to be hand painted where bead-welded with two (2) coats of Interthane 990HS or equal, White.

7. Paint in the vessel’s hull number “FB-670” where bead-welded port side, stbd side, fore and aft using two (2) coats of Interthane 990HS or equal, White.

C. MAIN DECK

1. Apply one (1) full coat of Intershield 300V or equal.

2. Complete all deck modifications before continuing with main deck coatings:

3. Apply one (1) stripe coat of Intersheld 300V or equal to all welds and hard

4. Apply one stripe coat around manhole covers, bitts, cleats, vents, and any structure welded perpendicular to the deck. When dry, mask a 2” margin around these areas.

5. Apply a second full coat of Intershield 300V or equal to deck. While this coat is still wet, uniformly broadcast aluminum oxide abrasive on deck areas not to be covered by timber as described in section 1.8 below.

6. Remove masking and any loose abrasive in the masked area so it is clean before the final coat.

7. Apply one full coat of Interthane 990H or equal to the entire deck, Deck Gray.

For all coatings, care is to be taken so overspray does not come in contact with unintended surfaces on the vessel.

0001.6 CATHODIC PROTECTION

FB-670 DDX 2019 Page 6

Please refer to Electro-Guard Cathodic Protection Plan for the work specified in this section.

A. Prior to surface preparation and coating, remove and scrap the remains of fifty

(50) ea. twenty-two (22) lb. welded zinc anodes from the barge hull. Grind smooth all weld remnants in preparation for blasting and coating.

B. Provide and install 16 ea. Reliance AMD-3365 or equal 37 lb. aluminum bar anodes. Weld ½” stainless steel bolts to the hull for attaching anodes. Anode tabs may need to be drilled. Arrange the anodes according to the referenced cathodic protection plan. Install anodes to studs and secure using new stainless steel flat washers and Ny-lock nuts.

0001.7 REPAIR OF DETERIORATED RUB RAIL

After exterior grit blasting, inspect all rub rails and provide a report of findings and recommended repair. Repairs to be the subject of a change order.

0001.8 ANCHOR HANDLING MODIFICATIONS

Please refer to drawing number 4008-003-01A, MAIN DECK MOD INCID ANCHOR DEPLOYMENT for work specified in this section.

A. Provide and install a crane mat and securement in accordance with the drawing referenced above. The installation shall be complete including all support structure and equipment to provide a system safe for operational personnel daily inspections and servicing.

B. Provide and install 6” x 4” x 1/2” angle crane mat securement along the perimeter with 6” x ½” flat bar intermediate securement spaced as shown on the drawing.

C. Provide and install crane mats. Crane mats shall be consisting of 12” by 12” by 16 feet long (or any length suitable to fit within the containment area) pressure treated Douglas Fir or equivalent wood.

D. Provide and install bolster plate and chain bulwark on the bow consist of ½” thick plate, rolled to radius specified on the drawing with backing structures.

E. Provide and install padeyes and fittings, including shackles, at frame 45 with supporting foundations and backing structures in accordance to the drawing referenced above.

F. Provide a 50-ton capacity hydraulic winch and install it to deck modifications, backing structures and foundation for the hydraulic winch in accordance to the drawing referenced above. The hydraulic winch shall be similar or equal to

FB-670 DDX 2019 Page 7 model Seahorse HSD-100, with the following characteristics and is available from Byrne Rentals and Sales, LLC:

• Hydraulic drive, Single Drum, Diesel Powered

• Pull: 100,000 lb Line pull 1st layer stall at 3,500 psi and 80 gpm

• Cable Capacity: 595’ of 1-3/8” wire cable

• Brake: Spring applied and hydraulic released (200% braking capacity)

• Power in / Power out

• Manual valve control for forward and reverse

• Fully enclosed spur gear in oil bath

• Includes all valves and hoses

• California emissions-compliant diesel engine prime mover

• 250 Gallon Hydraulic tank

• 60-gallon fuel tank

• Skid Dimensions, approx: 54”W x 96”L x 80”H

The unit can be all, or in part, new or refurbished.

Provide 200 feet only of 1-3/8” wire rope on the drum.

Operate and test for proper operation.

G. Provide a 45-ton quick release hook and install it to the deck modifications, backing structures and foundation for the quick releases hook in accordance to the drawing referenced above. The 45-ton release hook shall be similar or equal to model number RSRH-50, shall have the following characteristics and is available from Washington Chain & Supply, Inc.:

• The hook shall be quick release rotary release hook with manual control release.

• Unit is to be convertible to electric over air remote release should the Owner choose to upgrade it in the future.

Installation is to be bolt-down so the unit may be removed by the Owner when not in use or for maintenance.

Operate and test for proper operation.

H. WEIGHTS

The Contractor shall be responsible for generating an accurate record of all weights removed from and all weights added to the vessel in the course of this Contract. Each weight documented shall include the VCG and LCG location of the weight. Weights less than 100 pounds need not be documented.

FB-670 DDX 2019 Page 8

This record shall be a written document and shall be provided to the Owner at the end of the Contract and prior to the vessel’s redelivery.

Stability Data (calculated based on the Main Deck Modification drawing):

Weight (LT) VCG (ft-ABL) LCG TCG

Lightship 97.9 4.7 Frame 27 ½

(Midship)

CL Craft

With new Structure

134.8 6.0 4.0 ft fwd of Midship

CL Craft

KM: 50.1 ft GM: 44.1 ft Waterline (Draft line): 2.2 ft

0002 SUPPLEMENTAL

A. The contractor is to estimate the cost of five hundred hours (500) of supplemental repair work to be performed on this vessel in terms of a yard-wide man-hour (MH) labor rate.

B. An additional estimate of $20,000.00 may be utilized for material acquisition costs exclusive of other materials already specified in these repair specifications.