270 Spencer AC Chilller Plant SOW Contract Services.doc

Work Item #1

SPECIFICATION FOR THE

270 B-CLASS A/C CHILLER PLANTS

CARRIER TRANSICOLD MODEL

90RMC050-D-610

R-134A SEAWATER COOLED CHILLER

50 TONS (175.8 kW) NOMINAL

COOLING CAPACITY

INSPECT, SERVICE & GROOM

USGC 270’SPENCER

PR # 2124404Y6173J99008

POC: SHIP SUPERINTENDANT

KEITH HARE 410.320.0927

Location: US Coast Guard Yard Baltimore

Tentative Start Date: August 1, 2024 Period of Performance: 1 month Final Period of Performance to be Determined by CG Yard POC

· Recommended Site Survey and Inspection Week based on EOIW: July 8th Through July 9th.

1. SCOPE

1.1 Intent. This work item (#1) describes the requirements for the Contractor to Survey/Inspect, service, and groom two AC units in Auxiliary Machinery Space 1.

1.2 Government-furnished property.

2. REFERENCES

*** The contractor Must be an authorized transicold carrier tech with experience in servicing marine equipment.

*** it is imperative that the Contractor Must Have access to the Joint Certification Program ANd/or need to be Registered to the joint certification program in order to gain access to cg yard drawings and tech information. Failiure to have the following may negate your ability to bid https://www.dla.mil/Logistics-Operations/Services/JCP/ Coast Guard Drawings

Coast Guard Drawing 905 WMEC 516-019, Rev B, Mods Incidental to the Carrier A/C Plant Install Bill of Materials Coast Guard Drawing 905 WMEC 516-018, Rev B, Mods Incidental to the Carrier A/C Plant Rip-out Coast Guard Publications Coast Guard Technical Publication (TP) 3910B, Apr 2020, Air Conditioning System, R-134A S/W Cooled Chilled – Model 90RMC050-D-610

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2022, General Requirements

Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2022, Welding and Allied Processes

Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2022, Requirements for Preservation of Ship Structures

Other References

None.

3. REQUIREMENTS

3.1 General.

3.1.1 CIR.

None.

3.1.2 Tech Rep. The Contractor must provide the services of a Qualified Technical Representative who is familiar with the Carrier equipment/system to accomplish the following on site:

· Advise on manufacturer’s proprietary system information, software, and tools pertinent to the equipment/system.

· Assist with proper installation and repair methods.

· Ensure compliance with manufacturer's procedures and standards during disassembly, inspection, repair, modification, calibration, and reassembly of the equipment/system as applicable.

3.1.2.1 Ensure the Tech Rep has experience with the system/equipment stated above and demonstrated on their resume.

*3.1.2.2 Submit the name and résumé of the Tech Rep to the COR at the Arrival Conference.

3.1.3 Protective measures. The Contractor must furnish and install all protective measures in accordance with SFLC Std Spec 0000, (Vessel component, space, and equipment protection). CG Yard must ensure safe working conditions for contractor IE Deck Plates installed or temporary decking. Contact The Ship Superintendent for discrepancies.

3.1.4 Interferences. The CG Yard Contractor must handle all interferences in accordance with SFLC Std Spec 0000, (Interferences).

3.1.5 Personnel qualification. The Contractor must ensure that all personnel servicing Air Conditioning and Refrigeration (AC&R) equipment that uses CFC or HCFC refrigerant hold a current Environmental Protection Agency (EPA) Technician Certification, Type IV (Universal Certification), and meet all State and local regulations and licensing requirements.

NOTE

Coast Guard personnel will operate all shipboard machinery and equipment.

3.2 AC System Survey & Inspect. On July 8th-9th The Awarded Contractor must visually inspect both AC units to include all major components (Condensing Units, Compressors, Receiver [Circuit 1 and 2], Accumulator, High- and Low-Pressure Switches, Oil Safety Switches, Compressor contactors and Circuit Breakers, Cooling Fan Motors, Solenoid Valves, Condenser Water Flow Switches, PLC Equipment. Submit a BID.

3.3 AC System Servicing. The Awarded Contractor must service both AC units in accordance with Coast Guard Drawing 905 WEMC 514-019 and Tech Pub 3910B (pages 56-62). Servicing of both AC units must include, but may not be limited to, changing the unit filters and oil. Submit a CFR.

3.4 AC System Groom. The Awarded Contractor must thoroughly groom both AC units using TP 3910B as needed.

3.5 Touch-up preservation. The CG Yard Contractor must prepare and coat all new and disturbed surfaces to match existing adjacent surfaces in accordance with SFLC Std Spec 6310, (Touch-ups and minor coating repairs.) NOT APPLICABLE

NOTE

Coast Guard personnel will operate all shipboard machinery and equipment.

3.6 Operational test, post repairs. After completion of work, the Awarded Contractor must thoroughly test, in the presence of the Coast Guard Inspector and demonstrate the A/C system to be satisfactory operating condition. Submit a CFR.

4. NOTES

Known existing conditions are as follows:

· No current documented data

· Customer indicated that equipment was functioning when ship arrived at yard.