N0016723Q00640001.docx

N0016723Q0064

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION SF 1449 - CONTINUATION SHEET

SOLICITATION/CONTRACT FORM

The required response date/time has changed from 10-Apr-2023 12:00 PM to 11-Apr-2023 06:00 PM.

SUPPLIES OR SERVICES AND PRICES

CLIN 0007

The pricing detail quantity has increased by 39.00 from 1.00 to 40.00.

The unit of issue has changed from Lot to Each.

CLIN 0014

The pricing detail quantity has increased by 18,000.00 from 2,000.00 to 20,000.00.

CLIN 0015

The pricing detail quantity has increased by 9,000.00 from 1,000.00 to 10,000.00.

DELIVERIES AND PERFORMANCE

The following Delivery Schedule item for CLIN 0007 has been changed from:

POP 15-MAY-2023 TO

31-JUL-2023

FOB: Destination

To:

POP 15-MAY-2023 TO

The following Delivery Schedule item for CLIN 0014 has been changed from:

POP 15-MAY-2023 TO

POP 15-MAY-2023 TO

The following Delivery Schedule item for CLIN 0015 has been changed from:

POP 15-MAY-2023 TO

POP 15-MAY-2023 TO

TABLE OF CONTENTS

The Table of Contents has changed from:

Exhibit/Attachment Table of Contents

to:

Exhibit/Attachment Table of Contents

The following have been modified:

NOTE: This revision is for the following changes: Item 14 and Item 15 square footage were revised. The changes are written in RED Text.

M241 BARGE PRESERVATION, INSPECTION, REPAIR, AND MAINTENANCE (PIRM)

SUPPORT SERVICES

STATEMENT OF WORK (SOW)

TABLE OF CONTENTS

***NO SITE VISIT WILL BE MADE AVAILABLE. PHOTOS CAN BE PROVIDED UPON REQUEST***

REFERENCES

(References must be requested via email to arnel.a.ngo.civ@us.navy.mil)

ABS Nondestructive Inspection of Hull Welds 2011 or equivalent ISO 9712 or equivalent Sherwin-Williams Seaguard 6000 Epoxy Red Data Sheet Sherwin-Williams Seaguard 6000 Epoxy Gray Data Sheet Sherwin-Williams Seaguard Ablative P30RQ10 Red Data Sheet Sherwin-Williams Seaguard Ablative P30BQ12 Black Data Sheet Sherwin Williams Hi Solids Polyurethane Graphite 19231 Data Sheet Sherwin-Williams Corothane I Galva-Pac Zinc B56G11 Data Sheet Sherwin-Williams SWTAC 19231 Graphite Data Sheet

DRAWINGS

(Drawings must be requested via email to arnel.a.ngo.civ@us.navy.mil)

M241 Barge POS #1 Keel Blocks, Rev C M241 Barge POS #2 Keel Blocks, Rev C M241 Drawing A-2, Arrangements, Rev 8 with annotations M241 Drawing S-4, House Structure, Rev 8 M241 Drawing P-8, Engine Cooling, Rev 8 M241 Drawing S-9, Skeg Structure, Rev 3 M241 Drawing S-7, Anchor Handling, Rev 3 M241 Drawing A-1, Outboard Profile Rev 8 M241 Drawing S-14, Moon Pool Covers Rev 2 M241 Drawing C-5, Tank Plan, Rev 0 M241 Drawing S-5, Windows, Doors, Manholes Rev 7 with annotations M241 Drawing S-12, Deck Fittings and Hand Railing, Rev 4 with annotations Porch Installation S2235-100-01, Rev B

FIGURES

Figure 1: Contractor Facility Area; see 1.3.10

SECTION 0

CONTRACT DATA REQUIREMENTS LISTS (CDRLS)

CDRL A001: Project Planning Chart CDRL A002: Digital Imaging CDRL A003: Vessel Dry Dock Plan CDRL A004: Test Inspection Report CDRL A005: Certification of Qualification CDRL A005: GFEF Inventory Report CDRL A006: GFI Report

M241 BARGE PIRM SUPPORT SERVICES ITEMS/REQUIREMENTS

ITEM 1 – GENERAL INFORMATION

1.1 SCOPE

1.1.1 Title: General Information

1.1.2 Intent: General information

1.1.3 Location: M241 Barge and Contractor Facilities

1.2 REFERENCES & DRAWINGS

1.2.1 References: All technical documents and drawings referenced in this specification will be available onboard the M241 and will be made available from the M241 Government Representative upon request.

1.3 REQUIREMENTS

1.3.1 Background: The M241 Barge, hereafter referred to as M241, is a unique waterborne asset designed to test various underwater resources as a Research, Development, Testing and Evaluation (RDT&E) Platform.

1.3.2 Period of Performance: All required services as identified in SOW Items 1 – 18 shall be performed and completed during the M241 availability period from 15 May 2023 through 31 July 2023.

1.3.3 General Specifications:

1.3.4 M241 Government Representative: During the period of performance, at any time prior to final delivery and acceptance, the M241 Government Representative shall be granted access to the contractor facility for the purpose of inspecting work and materials, and attending meetings related to this project. The M241 Government Representative may assign a full or part time representative at the contractor facility to oversee and expedite communications and resolve questions and issues between the Government and Contractor in a timely manner.

The M241 Government Representative will provide technical guidance and have the authority to reject workmanship or material upon delivery to the Government whenever found defective or not in accordance with the requirements or specifications. The M241 Government Representative will receive current copies of all working drawings, reports, and communications to and from the regulatory bodies per the CDRLs.

Whether generated by the Contractor or provided by the Government, photographs, drawings, sketches, or slides of in-progress or final product shall not be released for publication or discussion outside of any contract, subcontract, or purchase order without express and prior approval from the M241 Government Representative, per the requirements of the data rights clauses contained in this purchase order.

The M241 Government Representative for this effort is identified as follows:

TBD

The M241 Government Representative can designate additional or alternate representatives. A list of Government Representative Personnel will be provided at the kickoff meeting.

1.3.5 Schedule: In accordance with (IAW) the information provided in SOW Paragraph 1.3.2, the Contractor shall prepare a schedule, CDRL A001, of the overhaul activities prior to the commencement of the shipyard availability period. The schedule shall include all Contract Line Item Numbers (CLINs). The schedule shall be maintained and updated to reflectall contract modifications issued. Any changes proposed by the Contractor shall be submitted to the M241 Government Representative and Naval Surface Warfare Center, Carderock Division (NSWCCD) Contracting Officer for approval. The Contractor shall hold weekly production meetings in order to update all pertinent parties about status, conditions found, and any other pertinent information. Additional meetings shall be held as needed.

1.3.6 Inspections: The Contractor shall inspect the work completed throughout the overhaul period. The M241 Government Representative, or designated personnel, will witness inspections unless otherwise stated in this specification. The Government reserves the right to assign an additional inspector (Government or other contractor) to conduct independent inspections and tests. The Government will provide a paint inspector for this order. The Contractor shall give the M241 Government Representative, who will be onsite during the period of performance; 24 hours advance notice that an inspection will be required, unless stated otherwise in this specification. The inspection team shall report their findings to the M241 Government Representative who will either give approval for the Contractor to continue work or inform the Contractor of deficiencies that require correction prior to continuing work. The M241 Government Representative will give such notice no later than 24 hours after completion of the inspection, unless otherwise stated in this specification. All deficiencies noted by the Government shall be re-inspected after being addressed/resolved by the Contractor; the Contractor may continue working only after the Government has confirmed that the deficiencies have been corrected. The contractor shall provide photographic documentation of progress of the M241 Barge Support Services on a weekly basis, CDRL A002. Photos shall be delivered via CD to the M241 Government Representative each Friday before close of business.

1.3.7 Adherence to Regulations: The Contractor shall comply with all referenced documents, Coast Guard, American Bureau of Shipping (ABS), Environmental Protection Agency (EPA), and Occupational Safety and Health Administration (OSHA) regulations governing work being conducted on the M241 and disposal and handling of hazardous and non-hazardous waste. The Contractor shall also comply with all local, state and federal regulations, requirements and guidelines.

The Contractor shall ensure towing services provided comply with safe and acceptable commercial practices; all Coast Guard requirements; and all local, state and federal regulations, requirements, and guidelines. Additionally, the Contractor shall ensure the tow vessel has adequate maritime insurance for all damages and personnel injuries incurred to their equipment and their crew.

1.3.8 A M241 crew of at least two individuals (Government and/or other Government-identified contractor personnel) will be onboard the M241 during normal work hours, Monday through Friday, during the shipyard period. If the crew’s access to specific areas of the M241 will be restricted, the M241 Government Representative shall be informed 24 hours prior to the access restriction taking effect.

1.3.9 All inspections that require the participation of the M241 Government shall be conducted between 0730 Monday through 1600 Friday, whenever possible. The Contractor must schedule tasks to be conducted while in the drydock to maintain the shipyard period completion date by ensuring that proper personnel are available to support the tasks in a timely manner.

1.3.10 The contractor shipyard facility, where work is to be performed, shall be located within the shaded area in Figure 1. Areas outside of the shaded area have been found to be logistically prohibitive and infeasible due to M241 crew commute time and cost. The star is the location of Naval Base Kitsap Bangor, the home base of the M241.

Figure 1: Shipyard Facility Area

1.4 NOTES

1.4.1 None

1.5 GOVERNMENT FURNISHED EQUIPMENT, MATERIALS, AND INFORMATION

1.5.1 The Government will provide a digital copy of all referenced drawings, specification sheets, and the M241 drawing package upon request.

ITEM 2 – TEMPORARY SERVICES

2.1 SCOPE

2.1.1 Title: Temporary Services

2.1.2 Intent: Provide Necessary Temporary Support Services while the M241 is Under the Contractor’s Control.

2.1.3 Location: Contractor Facilities

2.2 REFERENCES & DRAWINGS

2.2.1 None

2.3 REQUIREMENTS

2.3.1 The Contractor shall remove and reinstall interferences as necessary to accomplish the work required under this work item.

2.3.2 The Contractor shall provide the following services during the entire shipyard period. Install services as soon as practical after the completion of setting the M241 in drydock.

2.3.2.1 Electrical Power: The Contractor shall provide electrical power at a minimum service of 100 amps at 480 VAC, 60Hz, 3-phase. M241 is configured with a 200 amp shore power connection on both the port and starboard sides. Power shall be metered by the Contractor and is estimated at a total of 32,256 kilowatt-hours. CLIN 0018 of this order identifies the estimated quantity and pricing associated with this SOW; however, if actual power usage is found to be less than this estimate, the Government will request a reduction in the cost for the CLIN. The power connection shall be equipped with devices to automatically maintain service during power surges and shall have circuit breakers to de-energize the electrical service if the line is overloaded. The Contractor shall protect the shore power cable from damage, hazards and chafing. The M241 Government Representative will give their approval prior to the connection being made and must be present prior to the circuit being energized for the first time.

2.3.2.2 Gangway: The Contractor shall provide and maintain a reliable OSHA approved gangway.

2.3.2.3 Firefighting: All firefighting equipment normally onboard the M241 will be non-accessible while the M241 is in drydock. The Contractor shall provide a minimum of two (2) temporary firefighting stations on the weather deck equipped with a 1 ½ inch hose and an approved firefighting nozzle at each station. The hose at each station shall be of sufficient length to reach all locations on the M241 (195 feet). The Contractor shall also provide portable firefighting and protective equipment required to fight fires of all types in confined spaces.

Fire watches shall be provided by the Contractor during all hot work at the work site and in all adjacent spaces or decks as required. Whenever gas cylinders are required on the M241 they shall be located on the weather deck and secured in an upright position. When not in use all cylinders shall have the valves closed, lines and regulators removed, and a protective cap in place.

2.3.2.4 Facility Requirements: The Contractor shall provide designated parking spaces for two full size vehicles in the immediate area, or as close as reasonably allowed due to safety regulations; approximately 100 square feet of OSHA-compliant office space free of trash and debris with two desk/chair sets, a telephone capable of making landline calls and high speed internet connection at least one desk, potable water, and restroom facilities for Government personnel utilizing the office space.

2.3.2.5 Garbage and Trash Disposal: The Contractor shall maintain cleanliness of the M241 for the duration of the period of performance. This shall include, at a minimum, providing covered containers for the collection of debris and garbage generated on the M241 placed in a location determined by the M241 Government Representative and emptied daily by contractor personnel.

2.3.2.6 Crane Services: The Contractor shall provide crane services to remove and reinstall one 40’, one 16’ and one 20’ container van, two 5000 lb. anchors, two electrohydraulic winches, and two moon pool covers.

2.3.2.7 Temporary Storage: The Contractor shall provide temporary storage for all items and fixtures removed by the crane.

2.4 NOTES

2.4.1 None

2.5 GOVERNMENT FURNISHED EQUIPMENT, MATERIALS, AND INFORMATION

2.5.1 M241 side power plug for shore side power supply or M241 shore power cable.

ITEM 3 – DOCKING PLAN

3.1 SCOPE

3.1.1 Title: Docking Plan

3.1.2 Intent: Develop, Document, and Submit a Docking Plan for the M241 Barge.

3.1.3 Location: Contractor Facilities (Plan Creation, Review, Implementation)

3.2 REFERENCES & DRAWINGS

3.2.1 M-241 BARGE POS #1

3.2.2 M-241 BARGE POS #2

3.3 REQUIREMENTS

3.3.1 The Contractor shall develop and document a docking plan, CDRL A003, for the M241 from the documentation identified in SOW Paragraph 3.2.1.

3.3.2 The docking plan shall include a blocking specification and drawings consisting of a minimum of two blocking positions. The blocking specification shall allow sufficient height between the drydock and the hull to allow the hull to be properly blasted, painted and hull plating to be replaced as needed. Access to sea chests and hull penetrations shall not be restricted or obstructed. The blocks shall be arranged such that they land on longitudinal structural members or main transverse structural members.

3.3.3 The docking plan shall include details of the block materials used, the block caps used, the maximum load per square foot on the blocks, and how the blocks shall be cribbed or braced (if required).

3.3.4 The docking plan shall include provisions for the M241 to be moved from one blocking position to another in order to allow the hull under the blocks to be cleaned, repaired and painted as required.

3.3.5 The docking plan and blocking specification shall be submitted to the M241 Government Representative no later than five working days prior to the pre-docking conference for approval. Final copies of the blocking specification and (if necessary) drawings shall be submitted to the M241 Government Representative in both hard copy and electronic format (.pdf).

3.4 NOTES

3.4.1 The Contractor shall provide all drawings in an electronic PDF format.

3.5 GOVERNMENT FURNISHED EQUIPMENT, MATERIALS, AND INFORMATION

3.5.1 None

ITEM 4 – TUG SERVICES, LINE HANDLING AND MOORING

4.1 SCOPE

4.1.1 Title: Tug Services, Line Handling and Mooring

4.1.2 Intent: Supply Tug Services, Personnel, and Equipment Needed for all M241 Movements; and to secure the M241.

4.1.3 Location: Various

4.2 REFERENCES & DRAWINGS

4.2.1 None

4.3 REQUIREMENTS

4.3.1 The Contractor shall provide all necessary tug services to tow the M241 from the Bangor Waterfront Operations (BWO) Facility at Naval Base Kitsap, Bangor, WA to the contractor’s facility and return the M241 to its permanent berth upon completion of the shipyard work.

4.3.2 The Contractor shall provide towing in accordance with safe and accepted commercial practices. The Contractor and tow company shall provide proof of industry standard maritime insurance, CDRL A005, for all damages and personnel injuries incurred by their equipment and their crew.

4.3.3 The Contractor shall hold a pre-towing conference prior to towing from and to the permanent berth at BWO. The time and place shall be determined after award of the purchase order. The pre-towing conference shall be attended by Contractor representatives actually overseeing the towing task, the tug captain, the M241 Government Representative, and representatives from NSWCCD. The Contractor shall provide the following information: the towing schedule, an overview of the towing plan, the tug and pilot arrangements, line handling procedures, a review of all other procedures in place which are not listed, and an outline of all other services supplied. The Contractor shall provide a minimum of 24 hour notice to the M241 Government Representative prior to schedule changes to the presented plan.

4.3.4 The M241 Government crew will man the M241 during the transit from its permanent birth to the contractor’s shipyard and during the return transit.

4.3.5 The Contractor shall provide all personnel (including line handlers), equipment, mooring/dock lines, push boats services and tug services required to move or reposition the M241 while the M241 is at the contractor’s facility. This includes but is not limited to moving the M241 from the pier into the drydock, movements while in the drydock and removing the M241 from the drydock.

4.3.6 The Contractor shall provide a pier side berth at which the M241 will be moored while at the contractor’s facility, and not in the drydock. All services called for in SOW Item 2 shall be supplied at the pier if the M241 will be at the pier for a period greater than 24 hours.

4.3.7 The Contractor shall supply all personnel, line handlers, mooring/dock lines, equipment, materials needed to accomplish the tasks in this section unless otherwise specified, from the arrival of the M241 at the contractor’s facility to the departure of the M241 from the facility.

4.4 NOTES

4.4.1 None

4.5 GOVERNMENT FURNISHED EQUIPMENT, MATERIALS, AND INFORMATION

4.5.1 None

ITEM 5 – DRYDOCK, REPOSITION AND UNDOCK M241

5.1 SCOPE

5.1.1 Title: Drydock, Reposition and Undock

5.1.2 Intent: Position the M241 in the Drydock, Reposition, and Undock the M241.

5.1.3 Location: Contractor Facilities

5.2 REFERENCES & DRAWINGS

5.2.1 M241 Barge POS #1 Keel Blocks, Rev C

5.2.2 M241 Barge POS #2 Keel Blocks

5.3 REQUIREMENTS

5.3.1 The Contractor shall furnish a shore side drydock, a floating drydock, or a marine rail system. The Contractor shall also furnish a dock master, qualified personnel and all necessary tug boats, push boats, lines, equipment and blocking to maneuver and dock the M241 when going into, out of, or repositioning in the drydock in accordance with the Docking Plan developed under SOW Item 3.

5.3.2 The Contractor shall provide, set and align the blocks, in accordance with blocking specifications established in the Docking Plan provided for in SOW Item 3. The M241 shall be initially set in blocking position one.

5.3.3 The Contractor shall hold a pre-docking conference prior to the drydocking of the M241. The time and place shall be determined at a later date. The pre-docking conference shall be attended by the Contractor’s dock master and the M241 Government Representative, at a minimum. Additional contractor personnel may be requested to attend to supply further information in specific areas. The Contractor shall provide the following information: the drydocking schedule, an overview of the docking plan, the tug and pilot arrangements, line handling procedures, weight control procedures, electrical shore power, electrical grounding, a review of all other procedures in place which are not listed, and an outline of all other services supplied. The Contractor shall make every effort possible to provide a minimum of 24 hour notice to the M241 Government Representative prior to schedule changes to the presented plan.

5.3.4 The M241 Government Representative will witness the docking, undocking, or repositioning of the M241 on the blocks.

5.3.5 Upon completion of the M241 docking and/or repositioning, the Contractor shall inspect the blocking to ensure proper positioning and contact with the hull. The Contractor shall notify the M241 Government Representative of any/all deficiencies identified, corrected deficiencies and furnish a written inspection report, CDRL A004, to the M241 Government Representative within three (3) days.

5.3.6 Two static ground connections shall be made to the M241 prior to the vessel coming completely out of the water (one foot or more of water above the keel). The Contractor shall make connections using static ground leads which are connected at the other end to the positive ground on the drydock provided for this purpose. The M241 platform and the bow shall have connections. After Contractor personnel have cleaned the surfaces of the connectors, the cables, and the point of contact to bare metal, they shall make connections by using bolted lugs or clamps. The contractor personnel shall also ensure there is a positive ground and tighten all clamps and lugs. The M241 Government Representative will approve the connection method and location of the static ground location on the M241 prior to the connection being made. If applicable/necessary, the Contractor shall re-inspect static ground connections after M241 movement.

5.3.7 If flooding of the drydock is required to change the blocking lineup, then the Contractor shall hold a conference. The conference shall be attended by the contractor’s dock master, all other personnel as required to address specific issues, the M241 Government Representative, and representatives from NSWCCD. The Contractor shall provide the following information: an agreed upon date and time of undocking or repositioning; review of all sea valves, sea chests and other below the deep (maximum) load line hull penetrations, inspections and testing conducted; review the undocking or repositioning plan, the tug and pilot arrangements, line handling procedures, weight control procedures, shore power disconnects, static ground disconnects, the ship’s force responsibility; all other procedures in place which are not listed; and outline all other services supplied.

5.3.8 The M241 shall be repositioned to block position two to permit cleaning and preservation of the hull under the blocks. Method of repositioning shall be agreed upon by the Contractor and the M241 Government Representative.

5.3.9 Prior to repositioning and undocking the M241, the Contractor shall submit a Docking Report, CDRL A004, to the M241 Government Representative providing a record of any changes in the M241’s configuration. Such changes shall include but are not limited to any major weight, cathodic protection installation, major hull or shell renewal and repairs, or underwater hull preservation. The Contractor shall also list work conducted on the underwater hull and in areas that could affect the watertight integrity of the hull, and the completion and final inspection of the work.

5.3.10 During repositioning and undocking the drydock shall cease being flooded or if on a marine rail system the M241 shall be stopped after the hull penetration and hull repairs are submerged, but before the M241 lifts off the blocks. Prior to continuing, all work shall be visually inspected for water tight integrity by the Contractor in the company of the M241 Government Representative. The M241 may continue to be undocked or repositioned after all parties agree that the work is satisfactory. If repairs or rework is needed, the M241 shall be brought back in drydock for repair unless specifically waived by the M241 Government Representative.

5.3.11 The Contractor shall ensure that the dock and M241’s deck is free of trash, debris and any other materials that may cause contamination of the harbor prior to undocking the M241.

5.4 NOTES

5.4.1 None

5.5 GOVERNMENT FURNISHED EQUIPMENT, MATERIALS, AND INFORMATION

5.5.1 None

ITEM 6 – PROTECTION OF EQUIPMENT

6.1 SCOPE

6.1.1 Title: Protection of Equipment

6.1.2 Intent: Protect Areas and Equipment in the Vicinity of Work Producing or Utilizing Abrasives, Paint Chips, Dust, Airborne Industrial Debris, and Fluids.

6.1.3 Location: All Areas of the M241

6.2 REFERENCES & DRAWINGS

6.2.1 M241 Drawing A-2 Arrangements, Rev 8

6.2.2 M241 Drawing A-4 Docking Plan, Rev 4

6.2.3 M241 Drawing S-4, House Structure Rev 8

6.3 REQUIREMENTS

6.3.1 The Contractor shall protect areas not being painted, equipment inside and outside the hull, and electrical and signal cables from damage due to work called for in this specification and subsequent modifications to this specification.

6.3.2 The Contractor shall provide vapor barriers at all access points to spaces where preservation work is not being conducted. This includes but is not limited to: the electronics workshop, the vestibule, the day room, the engine room, the battery room, and the customer office.

6.3.3 Using the references identified in SOW Paragraphs 6.2.1 and 6.2.2 as guides; the contractor shall temporarily enclose equipment on the external main deck to prevent the introduction of paint chips, dust, airborne industrial debris, and fluids. This equipment includes but is not limited to: the starboard side crane, the sliding door track system, the anchor winches and sheaves (2), electrical enclosures (22), and tank vents/open stand pipes/connections (31).

6.3.4 Using the reference identified in SOW Paragraph 6.2.3 as a guide, the Contractor shall temporarily enclose both overhead cranes and all frames and bulkheads on all four walls below a line defined by the top of the crane operating rails, to exclude opening necessary for transit to and from the main deck and mechanical shop inside the high bay. This also includes the electrical conductor rail on the PORT side of the highbay.

6.3.5 Any damage to painted areas shall be repainted using the same paint type, manufacturer, and color as the original paint. Photos of the damage shall be delivered to the M241 Governement Representative as part of CDRL A002. If the information on the paint type, manufacture or color is unknown, the paint shall be matched to the M241 Government Representative’s satisfaction.

6.3.6 The Contractor shall cover and protect all electrical cables in the area from damage while blasting and painting.

6.3.7 The contractor shall plug or cover all hull penetrations, stuffing tubes, and supply and exhaust vents, overboard discharges, scuppers, and deck drains to prevent fluids, abrasives, paint chips, dust and paint overspray from entering the hull.

6.3.8 The Contractor shall protect the M241 from the intrusion of debris, fluids or other foreign materials during removal or replacement of seawater piping or hull plating. All hatches and doors to the interior of the ship shall be closed or blanketed.

6.4 NOTES

6.4.1 None

6.5 GOVERNMENT FURNISHED EQUIPMENT, MATERIALS, AND INFORMATION

6.5.1 None

ITEM 7 – HULL AND SKEG ANODE REPLACEMENTS (OPTION)

7.1 SCOPE

7.1.1 Title: Hull and Skeg Anode Replacements

7.1.2 Intent: Replace all Underwater Anodes with New Stud-Mounted Anodes.

7.1.3 Location: M241 Underwater Hull and Skegs, Port and Starboard Sides

7.2 REFERENCES & DRAWINGS

7.2.1 None

7.3 REQUIREMENTS

7.3.1 If deemed necessary by the M241 Government Representative, the Contractor shall install new, domestically sourced bolt-on type M-23-C, ZHC-23 zinc anodes and attachment hardware. The new anodes may not be damaged or cracked. The anodes must have a steel strap core conforming to ASTM A36 material standards and must not have more than 0.005% iron, 0.006% lead, or 0.005% copper content. The zinc content must be at least 99.314% with the remainder being comprised of cadmium (0.025-0.07%) and aluminum (0.1-0.5%). All zinc anodes will be placed in the same locations as the existing zinc anodes. The anodes shall be installed after the completion of any paint system, unless specifically waived by the M241 Government Representative. The pricing associated with SOW Item 7 is identified as CLIN 0007 and is based upon a maximum total repair of 40 anodes, unless otherwise specified by the Contracting Officer. The Contractor shall not commence performance of effort associated with SOW Item 7 prior to receipt of a formal purchase order modification issued by the Contracting Officer.

7.3.2 The M241 Government Representative will determine the zinc anodes to be replaced from the hull inspection from SOW Item 10.

7.3.3 The Contractor shall remove and discard all existing anodes and associated hardware attached to the underwater hull and skegs prior to any required surface preparation of the hull.

7.3.4 The Contractor shall protect anodes from paint following installation.

7.3.5 The Contractor shall be responsible for supplying all anodes, associated hardware, and materials required for proper installation. Threads on attachment hardware shall be coated with anti-seize compound.

7.3.6 If this option is exercised, the Contractor shall accomplish a conductivity test. The contractor shall record the results of the test and corrections made. The results, CDRL A004, shall be made available to the M241 Government Representative and the paint inspector upon request. A report of all results shall be submitted to the M241 Government Representative within 48 hours of completion of the test.

7.3.7 Any removed anodes shall be returned to the M241 Government Representative.

7.4 NOTES

7.4.1 None

7.5 GOVERNMENT FURNISHED EQUIPMENT, MATERIALS, AND INFORMATION

7.5.1 None

ITEM 8 – PORTSIDE FABRICATION TASKS

8.1 SCOPE

8.1.1 Title: Portside Fabrication Tasks

8.1.2 Intent: Procure, fabricate, and install components and fixtures on the portside of the M241 Highbay

8.1.3 Location: M241 Highbay, Portside

8.2 REFERENCES & DRAWINGS

8.2.1 Porch Installation S2235-100-01 Rev B

8.3 REQUIREMENTS

8.3.1 Portside Door Installation

8.3.1.1 The Contractor shall procure or fabricate all parts needed to install the door that are not provided as GFE.

8.3.1.2 Using the reference identified in SOW Paragraph 8.2.1 as a guide, the Contractor shall measure the door provided as GFE and ensure the installation is cut to size in accordance with the provided material such that ABS standards for water integrity are maintained.

8.3.1.3 The Contractor shall exercise the door and inspect the open and closed positions are free from interference.

8.3.1.4 The Contractor shall include the inspection results in the final report, CDRL A004.

8.3.2 Drain Installation in Bollard Cofferdam

8.3.2.1 The Contractor shall propose a drain (to include size, location, and shape) for installation in the portside bollard cofferdam. The drain used must be approved by the M241 Government Representative.

8.3.2.2 The Contractor shall install a drain in the bollard cofferdam on the portside of the highbay such that standing water does not accumulate. The drain that is installed shall funnel the water overboard.

8.3.2.3 The Contractor shall provide a signed record of all materials replaced, testing information, and other pertinent data, to include measurements of the drain and location within the cofferdam as part of the final report, CDRL A004.

8.3.3 Drain Installation in Fuel Cofferdam

8.3.3.1 The Contractor shall propose a drain (to include size, location, and shape) for installation in the portside fuel cofferdam. The drain used must be approved by the M241 Government Representative.

8.3.3.2 The Contractor shall install a drain in the fuel cofferdam on the portside of the highbay such that standing water does not accumulate. The drain that is installed shall funnel the water overboard.

8.3.3.3 The Contractor shall provide a signed record of all materials replaced, testing information, and other pertinent data, to include measurements of the drain and location within the cofferdam as part of the final report, CDRL A004.

8.4 NOTES

8.4.1 None

8.5 GOVERNMENT FURNISHED EQUIPMENT, MATERIALS, AND INFORMATION

8.5.1 Portside Door, winches, and chains per Reference 8.2.1

ITEM 9 – REMOVAL OF HULL FOULING

9.1 SCOPE

9.1.1 Title: Removal of Hull Fouling

9.1.2 Intent: Remove Fouling from Hull Prior to Preliminary Testing.

9.1.3 Location: M241 Underwater Surfaces, from Keel to the Antifouling Line at the 8 Foot Draft Mark

9.2 REFERENCES & DRAWINGS

9.2.1 None

9.3 REQUIREMENTS

9.3.1 The Contractor shall power wash with 3500 psi clean fresh water.

9.3.2 The Contractor shall ensure removal of fouling after entering drydock shall be conducted utilizing high pressure water and scraping tools as needed. Approximately 50% of this removal is estimated to require scraping; however, if the actual area requiring scraping is found to be less than this estimate, the Government will request a reduction in the cost associated with this task. The use of dry abrasive blasting is not authorized.

9.3.3 The Contractor shall not washdown any instrumentation, electrical enclosures, antennas, etc.

9.4 NOTES

9.4.1 None

9.5 GOVERNMENT FURNISHED EQUIPMENT, MATERIALS, AND INFORMATION

9.5.1 None

ITEM 10 – HULL AND SKEG INSPECTION

10.1 SCOPE

10.1.1 Title: Hull and Skeg Inspection

10.1.2 Intent: Inspect the Exterior of the Hull and Skegs.

10.1.3 Location: M241 Exterior Hull and Skegs, Keel to Existing Antifouling Line at the 8 Foot Draft Mark.

10.2 REFERENCES & DRAWINGS

10.2.1 M241 Drawing A-4, Docking Plan, Rev 4

10.2.2 M241 Drawing S-9, Skeg Structure, Rev 3

10.2.3 M241 UT Results from 2018 Availability

10.3 REQUIREMENTS

10.3.1 The Contractor shall conduct a preliminary visual inspection of the hull upon completion of blocking inspection and hull cleaning to determine the overall condition of the hull using the references identified in SOW Paragraphs 10.2.1 and 10.2.2 as guides.

10.3.2 The preliminary survey shall consist of a walk-around inspection of the hull, from the keel to the existing antifouling line. Any noticeable damage, corrosion pitting, waste or irregularities shall be noted for further investigation.

10.3.3 The M241 Government Representative will mark 40 pad eyes for removal. The Contractor shall remove the pad eyes and fair them to nearest plate surface.

10.3.4 The Contractor shall fully examine areas of concern noted in the preliminary visual inspection. The Contractor shall closely inspect the hull plate boundaries. The Contractor shall examine the hull plates for areas of excessive corrosion, deep pitting, excessive material waste, cracks and other irregularities. The skegs, all appendages, and all hull penetrations below the antifouling line shall also be inspected. Areas of concern shall be reported the M241 Government Representative.

10.3.5 The Contractor shall visually inspect all welds with detailed inspections of all hull penetrations below the antifouling line. Areas of concern shall be reported to the M241 Government Representative.

10.3.6 The Contractor shall supply personnel, from an ABS-approved hull thickness measurement firm, to conduct a hull thickness measurement survey in accordance with ABS guidelines. Using the reference identified in SOW Paragraph 10.2.3 as a guide and for previous results, the survey shall consist of a minimum of two samples per hull plate and samples shall be evenly distributed over the area from the keel to the antifouling line. The survey shall also include 25 additional samples determined necessary by the M241 Government Representative based on previous known areas of concern. The contractor shall prepare CDRL A004 and submit two legible, typewritten copies to the contractor and Government within three days of testing.

10.3.7 The Contractor shall provide a final ultrasonic test report, CDRL A004, with recommendations for corrective action to the M241 Government Representative within three days of receiving the ultrasonic test report.

10.4 NOTES

10.4.1 None

10.5 GOVERNMENT FURNISHED EQUIPMENT, MATERIALS, AND INFORMATION

10.5.1 M241 UT Results from 2018 Availability

ITEM 11 – HULL AND SKEG PIT REPAIR (OPTION)

11.1 SCOPE

11.1.1 Title: Hull Pit Repair (Optional Requirement)

11.1.2 Intent: Repair M241 Hull Pits by Building Up with Weld in Areas Deemed Necessary by the M241 Government Representative.

11.1.3 Location: M241 Hull

11.2 REFERENCES & DRAWINGS

11.2.1 ABS Nondestructive Inspection of Hull Welds 2011 or equivalent

11.2.2 ISO 9712 or equivalent

11.3 REQUIREMENTS

11.3.1 If deemed necessary by the M241 Government Representative, the Contractor shall fill pits in the hull ranging in size, up to 0.5 inches in diameter. The pricing associated with SOW Item 11 is identified as CLIN 0011 and is based on the repair of a maximum of 100 pits in the hull plating. The Contractor shall ensure that the edges of the final repair are faired into the surrounding plate by building up the weld with additional passes and grinding flush with the surface of the plate. The Contractor shall not commence performance of effort associated with SOW Item 11 prior to receipt of a formal purchase order modification issued by the Contracting Officer.

11.3.2 The M241 Government Representative will determine the pits to be filled from the hull inspection from SOW Item 10.

11.3.3 Prior to welding, the Contractor shall excavate the area to be repaired per accepted commercial practices.

11.3.4 The Contractor shall conduct NDT/NDE testing of the repairs. Testing shall be completed per SOW Paragraph 11.2.1. The M241 Government Representative will be present during testing and repairs.

11.3.5 The Contractor shall repaint areas on the interior side of the repair that have been affected by the heat of the weld. The surface preparation and paint types are referenced in SOW Item 13.

11.4 NOTES

11.4.1 The Contractor shall document that all personnel meet the qualifications per the reference identified in SOW Paragraph 11.2.2. The required documentation shall be provided to the M241 Government Representative prior to start of repairs.

11.5 GOVERNMENT FURNISHED EQUIPMENT, MATERIALS, AND INFORMATION

11.5.1 None

ITEM 12 – HULL AND SKEG PLATING REPAIR (OPTION)

12.1 SCOPE

12.1.1 Title: Hull and Skeg Repair to Plate Sections (Optional Requirement)

12.1.2 Intent: Repair Areas of the M241 Hull Plating as Deemed Necessary by the M241 Government Representative.

12.1.3 Location: M241 Hull

12.2 REFERENCES & DRAWINGS

12.2.1 ABS Nondestructive Inspection of Hull Welds 2002 or equivalent

12.2.2 ISO 9712 or equivalent

12.3 REQUIREMENTS

12.3.1 If deemed necessary by the M241 Government Representative, the Contractor shall replace sections of plating on the M241 as warranted by hull inspection results, upon recommendation/approval by the M241 Government Representative. The pricing associated with SOW Item 12 is identified as CLIN 0012 and is based upon a maximum total repair area of 100 square feet of plating, unless otherwise specified by the Contracting Officer. The Contractor shall not commence performance of effort associated with SOW Item 12 prior to receipt of a formal purchase order modification issued by the Contracting Officer.

12.3.2 The Contractor shall use replacement plate of the same type, material, thickness and grade as the original plating.

12.3.3 The Replacement plate shall overlap the removed section by 0.5 to 1.5 inch.

12.3.4 The Contractor shall fully weld replacement plate from inside and outside of the hull in accordance with current ABS requirements.

12.3.5 The Contractor shall make repairs prior to start of hull preservation.

12.3.6 The Contractor shall conduct NDT/NDE testing of the repairs. Welds shall be inspected per the reference identified in SOW Paragraph 12.2.1. The M241 Government Representative will be present for testing and repairs.

12.3.7 The Contractor shall repaint areas on the interior side of the repair that have been affected by the heat of the weld. The surface preparation and paint types are referenced in SOW Item 13.

12.4 NOTES

12.4.1 The contractor shall document all personnel meet the qualifications identified in the reference identified in SOW Paragraph 12.2.2. The required documentation shall be provided to the M241 Government Representative prior to start of repairs.

12.5 GOVERNMENT FURNISHED EQUIPMENT, MATERIALS, AND INFORMATION

12.5.1 None

ITEM 13 – HULL AND SKEG PRESERVATION (OPTION)

13.1 SCOPE

13.1.1 Title: Hull and Skeg Preservation

13.1.2 Intent: Blast Underwater Hull and Skegs to Bare Metal and Apply Preservation/Antifouling System. Sea Chest to be Non-Abrasively Cleaned and Prepared for Preservation.

13.1.3 Location: M241 Underwater Hull and Skegs, from Bottom of Keel up to the Antifouling Line at the 8 Foot Draft Mark, including Stern, Bow, Underwater portion of the Moon Pool Walls, and Sea Chest.

13.2 REFERENCES & DRAWINGS

13.2.1 M241 Drawing A-4, Docking Plan Rev 4

13.2.2 M241 Drawing S-9, Skeg Structure Rev 3

13.2.3 Sherwin-Williams Seaguard 6000 Epoxy Red Data Sheet

13.2.4 Sherwin-Williams Seaguard 6000 Epoxy Gray Data Sheet

13.2.5 Sherwin-Williams Seaguard Ablative P30RQ10 Red Data Sheet

13.2.6 Sherwin-Williams Seaguard Ablative P30BQ12 Black Data Sheet

13.3 REQUIREMENTS

13.3.1 If deemed necessary by the M241 Government Representative, the Contractor shall preserve sections of the hull and keel on the M241 as warranted by hull inspection results, upon recommendation/approval by the M241 Government Representative. The pricing associated with SOW Item 13 is identified as CLIN 0013 and is based upon a maximum total repair area of 50,000 square feet of preservation area, unless otherwise specified by the Contracting Officer. The contractor shall not commence performance of effort associated with SOW Item 13 prior to receipt of a formal purchase order modification issued by the Contracting Officer.

13.3.2 The contractor shall be responsible for ensuring that all work is conducted in accordance with the referenced documents, the paint manufacturer, and this specification. A Government provided paint inspector will inspect the work. Deficiencies noted by the paint inspector shall be corrected by the contractor prior to each step of the preservation system.

13.3.3 The contractor shall mask area where studs are used to attach zinc anodes to the hull. Maintain masking throughout the preservation process.

13.3.4 The contractor shall protect equipment as specified in SOW Item 6, prior to commencing the tasks called out in this section.

13.3.5 Utilizing the references identified in SOW Paragraphs 13.2.1 and 13.2.2, the contractor shall blast the underwater hull and skegs to bare steel in accordance with National Association of Corrosion Engineers (NACE) 2/SSPC-SP10. The surface can have no more than light flash rusting as defined by SSPC-VIS 4, which will be used as a visual standard.

13.3.6 The contractor shall inspect the surface, immediately after the completion of blasting to determine if the surface is prepared in compliance with NACE 2/SSPC-SP10. The paint inspector will verify the preparation.

13.3.7 See SOW Item 10 for hull and skeg inspection, and SOW Items 11 and 12 for contingent repairs.

13.3.8 Using Note 1 of the reference identified under SOW Paragraph 13.2.2, the contractor shall perform skeg air test.

13.3.9 The contractor shall determine that all repair work affecting the areas to be painted has been completed and shall obtain M241 Government Representative approval, prior to continuing to perform the work.

13.3.10 Using the reference identified in SOW Paragraph 13.2.3 as a guide, the contractor shall prime bare steel with Sherwin-Williams Seaguard 6000 Epoxy Red, N11R400/N11V400, 5.0-7.0 mils dry film thickness (DFT). The contractor must obtain approval from the paint inspector and M241 Government Representative before proceeding to the next step.

13.3.11 Using the reference identified in SOW Paragraph 13.2.4 as a guide, the contractor shall prime 2nd coat with Sherwin-Williams Seaguard 6000 Epoxy Gray N11A400/N11V400, 5.0-7.0 mils DFT. The contractor must obtain approval from the paint inspector and M241 Government Representative before proceeding to the next step.

13.3.12 Using the reference identified in SOW Paragraph 13.2.5 as a guide, the contractor shall prime 3rd coat with Sherwin-Williams Seaguard Ablative P30RQ10 Red, 4.0-5.0 mils DFT. The contractor must receive approval from the paint inspector and M241 Government Representative prior to proceeding to the next step.

13.3.13 Using the reference identified in SOW Paragraph 13.2.6 as a guide, the contractor shall top coat with Sherwin-Williams Seaguard Ablative P30BQ12 Black, 4.0-5.0 mils DFT. The contractor must obtain approval from the paint inspector and M241 Government Representative before proceeding to the next step.

13.3.14 Once final coating is accepted by the M241 Government Representative, the contractor shall change barge blocking configuration to complete full coating of the barge underhull.

13.3.15 All preservation coats shall be allowed to dry in accordance with the manufacturer’s specifications prior to being recoated.

13.3.16 The contractor shall apply paint to all disturbed areas not previously specified to match the color and type of the original paint.

13.4 NOTES

13.4.1 None

13.5 GOVERNMENT FURNISHED EQUIPMENT, MATERIALS, AND INFORMATION

13.5.1 None

ITEM 14 – FREEBOARD AND ANCHOR BOLSTER PRESERVATION (OPTION)

14.1 SCOPE

14.1.1 Title: Hull preservation

14.1.2 Intent: Blast to Bare Metal from the Antifouling Line to the Main Deck and Apply Preservation System. Apply Draft Markings, Hull Markings, and Insignia.

14.1.3 Location: M241 Freeboard Hull from the Antifouling Line to the Main Deck, Including the Anchor Bolsters, Freeboard Inside of the Moon Pool Walls, Moon Pool Lip, Dive Ladder and Platform, and Vertical Channels.

14.2 REFERENCES & DRAWINGS

14.2.1 M241 Drawing A-4, Docking Plan Rev 4

14.2.2 M241 Drawing S-7, Anchor Handling Rev 3

14.2.3 Sherwin-Williams Seaguard 6000 Epoxy Red Data Sheet

14.2.4 Sherwin-Williams Seaguard 6000 Epoxy Gray Data Sheet

14.2.5 Sherwin-Williams Hi Solids Polyurethane B-65-300/B65V30 Data Sheet

14.2.6 M241 Drawing A-1, Outboard Profile Rev 8

14.3 REQUIREMENTS

14.3.1 If deemed necessary by the M241 Government Representative, the contractor shall preserve sections of the freeboard and anchor bolsters on the M241 as warranted by hull inspection results, upon recommendation/approval by the M241 Government Representative. The pricing associated with SOW Item 14 is identified as CLIN 0014 and is based upon a maximum total repair area of 20,000 square feet of preservation area, unless otherwise specified by the Contracting Officer. The contractor shall not commence performance of effort associated with SOW Item 14 prior to receipt of a formal purchase order modification issued by the Contracting Officer.

14.3.2 The contractor shall be responsible for ensuring that all work is conducted in accordance with the referenced documents, the paint manufacturer, and this specification. A Government provided paint inspector will inspect the work. Deficiencies noted by the paint inspector shall be corrected by the contractor prior to each step of the preservation system.

14.3.3 IAW the reference identified in SOW Paragraph 14.2.1, the contractor shall protect equipment as specified in SOW Item 6, prior to commencing the tasks called out in this section.

14.3.4 Using the reference identified in SOW Paragraph 14.2.2 as a guide, the contractor shall ensure the anchors are removed prior to preservation of the freeboard and anchor bolsters.

14.3.5 The contractor shall power wash with clean water, 3500 psi. Degrease with Sherwin-Williams SW 747 cleaner 15:1 and fresh water. After cleaner applied perform full fresh water rinse.

14.3.6 The contractor shall blast the freeboard from the antifouling line to the main deck…