CO2 2025 - SOW.pdf

Scope of Work/Performance Work Statement

A. Intent

The intent of this specification is to have the firefighting system onboard the Dredge McFarland inspected, tested, and certified for use. This system includes the fixed, semi-portable and independent CO2 systems; all portable fire extinguishers, the Ansul fire suppression system in the galley and the fixed CO2 system on the Launch.

The vessel will undergo a renewal of its USCG Certificate of Inspection, and the firefighting system must be certified ready for use as part of this inspection.

B. Reference Drawings and Report

E-333-FCP-01, Rev B, “Dredge McFarland Fire Control Plan” MF-M9-26, “Fire Fighting Key Plan” MF-M9-102, “Fire Detection System”, Sheet 1 of 4 MF-M9-103, “Fire Detection System”, Sheet 2 of 4 MF-M9-104, “Fire Detection System”, Sheet 3 of 4 MF-M9-105, “Fire Detection System”, Sheet 4 of 4 MF-M9-135, “1989 Fire System Renovations”, Sheets 1-2 MF-M9-136, “CO2 Fire System Piping” 2024 “Dredge McFarland Summary of Fire System Inspections” Report

C. Regulations

The inspection, testing and recertification of the firefighting system shall be in accordance with 46 CFR Parts 91, 95, 147 and 161.

D. Contractor Certification

The contractor shall be Kidde factory certified and shall be capable of servicing all Kidde components and providing new or factory-rebuilt Kidde components. The contractor shall also be USCG-approved for inspecting, testing, and certifying firefighting systems on inspected marine vessels. The contractor shall submit all required certificates as part of the bid submission.

E. Health and Safety Requirements

The contractor shall provide all necessary PPE to the personnel working on the Dredge McFarland.

NOTE – The contractor shall disarm the fixed CO2 system whenever work is being performed on the system to prevent accidental discharge into occupied spaces.

Remove the actuation triggers from the bank of CO2 cylinders in the steering gear space, Frame 135 at the start of the job. The system shall remain disarmed until all repairs are completed, and the vessel is ready to return to service.

Warning placards shall be posted at the gangway warning all personnel that the system is being tested and the Master and Chief Engineer, or their designated representatives, shall be notified whenever tests are being started and when they are completed.

F. Crane and Rigging Service

The Government will provide crane service only to load and offload cylinders, extinguishers and any other equipment on and off the vessel. All cylinders, extinguishers and equipment will be landed on the weather decks. 24-hour notice is required for any crane service.

All rigging and labor services necessary to locate cylinders, extinguishers and equipment in their proper locations shall be the responsibility of the contractor. The contractor shall also be responsible for rigging all cylinders, extinguishers and equipment back out of the spaces to a location where they can be offloaded from the vessel.

G. Description of Work

Provide all necessary labor, material, services, equipment and fittings necessary to perform and complete the work listed herein.

NOTE – All existing tags and/or stickers on all cylinders and extinguishers shall be removed. All recertified and/or new extinguishers and/or cylinders shall be wire-tagged upon completion of the work listed herein. No stickers shall be applied to any recertified and/or new cylinder or extinguisher.

Restore all removals upon completion of work.

1. Portable fire extinguishers

Remove all 96 portable fire extinguishers (61 on-station, 13 in the Safety Spares Locker on the Main Deck, 6 in the Forward Damage Control Locker on the Bridge Deck, 6 in the Aft Damage Control Locker on the Aft Boat Deck, 5 in the Aft Turnout/Gear Locker on the Upper Deck, 2 on the Rescue Boat, 2 on the Lifeboats (1 each P&S) and 1 on the Launch for inspection and testing. Refer to the Fire Control Plan for the location of the on-station fire extinguishers.

Type of Extinguisher Amount and Location 20 # CO2 3 (McFarland)

15# CO2 46 (45 on McFarland, 1 on Launch) 10# CO2 1 (McFarland) 5# CO2 0 (McFarland)

20# ABC 18 (McFarland) 10# ABC 22 (McFarland) 5# ABC 5 (1 on McFarland, 2 on Rescue Boat, 2 for

Lifeboats) 15# K 1 (McFarland)

Each extinguisher shall be tagged to identify its location on the vessel. Immediately upon removal of these extinguishers, the contractor shall place and maintain approved and certified temporary fire extinguishers of the same weight and size as per original at all fire stations.

NOTE – The contractor may elect to service the extinguishers in partial lots; however, the need to install temporary extinguishers as detailed herein is still required.

All CO2 fire extinguishers shall be weighed. If weight loss exceeds 10% of the weight of charge, extinguisher shall be recharged by Modification of Contract or by separate Line Item in the Contract.

Inspect hoses and nozzles and prove each to be clear.

Dry chemical fire extinguishers shall be checked to see that pressure gage is in operating range, or if seal is broken.

Weigh or otherwise determine that full charge of dry chemical is in the other fire extinguishers. If pressure is low or if dry chemical is needed, extinguisher shall be recharged via Modification of Contract or by separate Line Item in the Contract.

Ensure that dry chemical material is not “caked” in extinguisher.

Examine each extinguisher for excessive corrosion and general condition.

The following extinguishers are all in need of hydrotesting and/or 6-year maintenance as they will be due before the end of Calendar Year 2026. The cost of required maintenance, recharging and hydrotesting of these extinguishers shall be included in both the bid price and the schedule. This shall include the labor and material costs necessary for the removal, transport of the extinguisher(s) to a servicing facility, required maintenance, hydrotesting, recharging, and returning the extinguisher to its original location.

Type of Extinguisher Amount and Location Service Required 20# ABC 11 (McFarland) 6-Year Maintenance, Hydrotest & Recharge 5# ABC 1 (McFarland) 6-Year Maintenance, Hydrotest & Recharge

10# ABC 4 (McFarland) 6-Year Maintenance, Hydrotest & Recharge

NOTE – The contractor may elect to replace any of the extinguishers needing hydrotesting and/or 6-year maintenance with new extinguishers. Replacement extinguishers shall new in-the-box and shall be of the same size and type as the extinguisher to be replaced.

Provide Condition Report to the Contracting Officer’s Representative (COR) listing type of extinguisher, location, full and empty weights, last hydro test or 6-year maintenance, serial number and condition.

Upon completion of all repairs at the end of the contract, remove temporary fire extinguishers and reinstall all inspected and certified fire extinguishers in the original locations in accordance with reference drawings. Any extinguishers that do not have a tag attached to the extinguisher shall be removed by the contractor, retested and returned to the vessel at no additional expense to the Government.

CHECKPOINT – Upon completion of the reinstallation of all recertified portable fire extinguishers, a Deck Officer shall accompany the contractor to inspect all extinguishers to ensure that all are tagged, are in their proper location and are ready for use.

2. Semi-Portable CO2 Extinguishing Systems

There are 8 CO2 hose reel stations aboard the vessel. Each station consists of two 50 LB.

CO2

cylinders, 2 flexible hose loops, hose reel, and hose with discharge nozzle.

These hose reels are located in the following locations:

• Control Room (Frame 100, Main Deck, Port Side)

• Tool Room (Frame 102, Main Deck, Port Side)

• Auxiliary Generator Room (Frame 114, Tank Top, Centerline)

• Auxiliary Machinery Room (Frame 116, Tank Top, Port Side)

• Engine Room (Frame 88, Main Deck, Port Side)

• Machine Shop (Frame 115, Main Deck, Port Side)

• Pump Room (Frame 48, Main Deck, Centerline)

• Anchor Windlass Room (Frame 20, Upper Deck, Port Side)

For all stations, CO2 cylinders are scheduled for hydrostatic testing. The contractor shall remove the 50 LB. CO2 cylinders from the vessel and arrange for hydrostatic testing in accordance with applicable regulations and standards. During reinstalling of the CO2 cylinders, the contractor shall replace all associated flexible tank hoses with contractor-furnished flexible tank hoses. The new hoses shall be provided with OEM documentation certifying compliance with all applicable operational requirements.

The contractor shall supply and install the replacement high-pressure CO2 hose and related components as specified. All part numbers listed below are Kidde.

• 81-158200-075 HPCO2 Hose, ¾” ID x 75’ with plated steel couplings – Quantity: 5

• 81-158200-050 HPCO2 Hose, ¾” ID x 50’ with plated steel couplings – Quantity: 2

• 81-158909-000 legacy adapters – Quantity: 7

• 81-980564-000 HPCO2 Horn/Valve Assembly - Quantity: 7

• 81-960099-000 HPCO2 Clip, Handle - Quantity: 7

• 81-939000-000 HPCO2 Clip, Horn- Quantity: 7

The Chief Mate will show where the new hoses and other components to be installed.

Examine all components for excessive corrosion and general condition.

Inspect hose loops, hose and nozzle and prove each to be clear. Prove reel assembly to be functional and able to rotate freely.

Adjust and lubricate all components.

Provide Condition Report to the COR listing location of semi-portable CO2 station, full and empty weights, last hydro test or 6-year maintenance, serial number, and condition.

3. Fixed CO2 Extinguishing System The fixed CO2 system consists of forty-four 50LB.

CO2

cylinders, eighteen 1800 PSI nitrogen actuation cylinders, accompanying flexible hoses, piping, discharge nozzles, pressure switches, time delays and other components.

All CO2 bottles for the Fixed System are located on the Steering Gear flat, Frame 136, Port Side.

Remove all time delays within 24 hours of disabling system. Bench test them in the presence of the COR and provide a Condition Report showing response time of each delay.

Replacement of any defective time delays shall be handled by Modification of Contract or by separate Line Item in the Contract.

All forty-four 50 LB. CO2 cylinders and eighteen nitrogen actuation cylinders are scheduled for hydrostatic testing. The contractor shall remove all forty-four 50 LB. CO2 cylinders and eighteen 1800 PSI nitrogen actuation cylinders from the vessel and arrange for hydrostatic testing in accordance with applicable regulations and standards. During reinstalling of the CO2 cylinders, the contractor shall replace all associated flexible tank hoses with contractor-furnished flexible tank hoses. The new hoses shall be provided with OEM documentation certifying compliance with all applicable operational requirements.

Examine all components for excessive corrosion and general condition.

The contractor shall be required to perform 2 complete operational tests of the entire fixed, nitrogen-actuated CO2 system. These 2 tests consist of a preliminary test and a final test. The preliminary test shall be conducted in the presence of the COR and the contractor’s personnel.

NOTE – Testing of the Generator Room, Engine Room, Forward Stores, Pump Room and Forward and Aft Voids shall require the use of one 50LB. CO2 bottle per space per test. Testing of the Bow Thruster Machinery Room shall require the use of one 35LB. CO2 bottle per test. Testing of the Auxiliary Machinery Room shall require the use of two 50LB. CO2 bottles per test. The contractor shall provide adequate amounts of CO2 to test each space for both the preliminary test and the final test.

NOTE – For both the preliminary test and the final test, furnish and install bags over each nozzle in each space to check for flow from each nozzle. Bags are to be secured to each nozzle and not removed until each nozzle has been checked to ensure that it has flow.

CHECKPOINT – Inform COR that preliminary test is ready to be performed.

Check the system for leaks and tighten all connections that are leaking.

Provide a Condition Report to the COR listing results of tests and any components that need to be repaired or replaced.

Upon completion of any repairs or replacements, recharge system components used during preliminary test and ready system for final operational test.

The final operational test shall be conducted in the presence of the cognizant USCG Inspector and the COR after all completion of repair of previously identified discrepancies. All testing shall be to the satisfaction of the USCG Inspector and the COR.

CHECKPOINT – Inform COR and USCG Inspector when final operational test is ready to be performed.

Only CO2 and nitrogen shall be used for testing.

For both tests, the following test procedures shall be used.

NOTE – These tests shall be witnessed by the COR at a minimum and by the USCG if required.

• Test the main carbon dioxide trunk line at a pressure of 1000 psi. With no additional gas being introduced to the system, it shall be demonstrated that the leakage from the system is such as not to permit a pressure drop of more than 150 psi/minute for a 2-minute period.

• Test the piping from the main bank of 44 cylinders in the steering gear from to the stop valves at each control station.

• Test each individual actuation line by disconnecting and capping the termination of the actuation piping at each nitrogen control station. Individually pressure-test the actuation lines by pressurizing the lines to 600 psi. Demonstrate that the leakage is such as not to permit a pressure drop of more than 150 psi/minute for a 2-minute period.

CHECKPOINT – Upon approval of USCG Inspector and the COR, recertify system ready for use.

4. Ansul R-102 Galley Fire Extinguishing System

Provide the services of an authorized Ansul technical representative to inspect, recharge and certify the Ansul R-102 fire extinguishing system located in the galley.

Any repairs to the Ansul system shall be handled by Modification of Contract or by separate Line Item in the Contract.

5. Launch McFarland Fixed Fire Extinguishing System

Inspect and recertify the fixed CO2 system on the Launch. There is one 35LB. CO2 cylinder/bottle on the vessel.

Weigh cylinder. If weight loss exceeds 10% of the weight of charge, cylinder shall be recharged by Modification of Contract or by separate Line Item in the Contract.

Ensure lines are clear.

Examine all components for excessive corrosion and general condition.

Provide Condition Report to the COR listing full and empty weights of cylinder, last hydro test or 6-year maintenance, serial number, and condition.

6. Independent CO2 Systems

There are 11 independent fixed CO2 systems protecting the following spaces:

• Forward Paint Locker – Two 35# CO2 Cylinders (Upper Deck, Port Side, Frame 10)

• Aft Paint Locker – One 50# CO2 Cylinder (Forecastle Deck, Starboard Side, Frame 35)

• Port and Starboard Dredge Pump Motors (Pump Room, Tank Top, Frame 38) – One 50#

CO2 Cylinder per Motor

• Port, Centerline and Starboard Dredge Pump Generators (Engine Room, Tank Top, Frame

98) – One 50# CO2 Cylinder per Generator

• Port, Centerline and Starboard Ship’s Service Generators (Generator Room, Tank Top, Frame 110) – One 50# CO2 Cylinder per Generator

• Emergency Diesel Generator Space (Boat Deck, Starboard Side, Frame 88) – Two 50#

CO2 Cylinders

NOTE – Testing of the Forward and Aft Paint Lockers and Emergency Diesel Generator Space shall require the use of one 20LB. CO2 bottle per space per test. The contractor shall provide adequate amounts of CO2 to test each space.

NOTE – Due to the potential need of running a Ships Service Generator, the contractor shall inspect, repair and certify the Port, Centerline and Starboard Ships Service Generators systems as soon as the job commences.

The CO2 cylinders associated with all eleven independent fixed CO2 systems are scheduled for hydrostatic testing. The contractor shall remove all CO2 cylinders from the vessel and arrange for hydrostatic testing in accordance with applicable regulations and standards. During reinstalling of the CO2 cylinders, the contractor shall replace all associated flexible tank hoses with contractor-furnished flexible tank hoses. The new hoses shall be provided with OEM documentation certifying compliance with all applicable operational requirements.

Examine all components for excessive corrosion and general condition.

Blow each line clear.

Inspect hose and nozzle and prove each to be clear. Prove reel assembly to be functional and able to rotate freely.

Adjust and lubricate all components.

Provide Condition Report to the COR listing location of station, full and empty weights, last hydro test or 6-year maintenance, serial number, and condition.

7. Fire Detection System

The McFarland is equipped with a Honeywell Notifier detection system that monitors the following spaces/zones, which are protected by the vessel’s fixed CO2 system:

• Zone 1 – Bow Thruster Machinery Room

• Zone 2 – Pump Room

• Zone 3 – Engine Room

• Zone 4 – Generator Room

• Zone 5 – Auxiliary Machinery Room

• Zone 6 – Steering Gear Room

• Zone 7 – Emergency Generator Room

The contractor shall provide all necessary labor, materials and services to check all of the heat detectors in each space monitored by the system and to ensure the system is operating properly. The contractor shall have someone on the Bridge and in the Control Room during this test and shall maintain communication with each person to ensure that the appropriate alarm is sounded, and lamp lit, at each location when the heat detector is tripped. The amount and location of the sensors are shown on the following table.

ZONE # OF SENSORS

1 2 2 18

3 20 4 11 5 3 6 2 7 1

CHECKPOINT – The contractor shall be accompanied by the COR or someone designated by the COR. No fire detection system testing shall be performed without the COR or his designated representative present.

Any maintenances to the fire detection system outside those specified herein shall be handled by Modification of Contract or by separate Line Item in the Contract.

CHECKPOINT – Demonstrate proper operation of the fire detection system in the presence of the USCG Inspector.

CHECKPOINT – The contractor, COR, and the crew shall perform a joint inspection after the completion of scope listed herein to ensure all trash is removed from the vessel.

H. Location and Period of Performance

The McFarland, McFarland Launch, and Rescue Boat will be at the Fort Mifflin Project Office in Philadelphia, Pennsylvania for the performance and completion of the work listed herein.

The contractor shall include all costs necessary to perform and complete the work at this location in their bid.

All work listed herein, not including any repairs found necessary during the performance of the inspection, shall be completed within 21 calendar days after the start of the work on 23 June 2025.

All cylinders and/or extinguishers that are removed from the vessel for testing, maintenance, recharging and/or hydrotesting shall be returned to the vessel and put back on station within 72 hours of removal.

I. Recertification

Each item serviced, including the portable extinguishers, semi-portable and fixed extinguishing systems, independent systems, Ansul system and the Launch fire extinguishing system, including all cylinders, shall be properly marked with a tag showing the date of service, expiration date, type of service and name, address and telephone number of the contractor performing the service. Install safety retainers on all locking pins.

Provide four complete bound copies of the complete service report to the COR on all work performed on the vessel’s fire extinguishing system. This report shall include all the information shown in the reference report, including projected service requirements for 2026.

NOTE – Receipt of these service reports is required prior to receipt of the contractor’s final invoice. Payment will not be processed until they are received.

K. Final Testing and Acceptance

Rearming of the firefighting system prior to the vessel returning to service after acceptance by the COR and the USCG and submittal of all reports to the COR constitutes final acceptance of the work listed herein. Remove warning placards immediately after acceptance.

72 hours (3 working days) advance notice is required for notification of the USCG to attend and witness the final test of the firefighting system.