Hydraulic Power Plant Specification Document_20200731.pdf

Hydraulic Power Plant

1. Background

The Naval Undersea Warfare Center Division Newport (NUWCDIVNPT), Code 153, requires a

Hydraulic Power Plant (System) to replace a legacy unit in the OA-9070B Towed Array Handler

Land Based Test Facility (OA-9070B LBTF) located at NUWCDIVNPT. The hydraulic power plant provides power to two radial piston motors in the OA-9070B LBTF.

2. Scope

2.1. This specification establishes the performance and acceptance requirements for the

Hydraulic Power Plant (hereafter referred to as “the system”).

3. Government Furnished Materials

3.1. Government Documents

3.1.1. The following documents form a part of the specification to the extent specified herein.

3.1.2. The Government will provide copies of government specifications, standards, drawings, and publications required by offerors in connection with this requirement.

3.1.3. Specifications:

ISO 4413:2010, latest revision – Hydraulic Fluid Power – General rules and safety requirements for systems and their components

MIL-PRF-17672, latest revision – Hydraulic Fluid, Petroleum, Inhibited

MIL-T-28800, latest revision – Test Equipment for Use with Electrical and

Electronic Equipment, General Specification for

American Industrial Heat Transfer Inc. AOCH – AOCHM Series Air Cooled

Liquid Coolers Technical Data

3.2. Equipment

3.2.1. The facility shall provide a fuse or circuit breaker as GFE.

3.2.2. The facility shall provide existing heat exchanger as GFE (American Industrial

Heat Transfer Inc. Model AOCH-35-3-R30-1P).

4. Requirements

4.1. Physical

4.1.1. The system shall be able to be operated locally from the equipment space.

4.1.2. The system shall be able to be operated remotely from the adjacent control room.

4.1.3. The system shall be equipped with interlocks on device signals.

4.1.4. The system shall fit into an area five feet by eight feet by seven feet.

4.1.5. The system shall be adapted to existing OA-9070B LBTF hard-piped hydraulic lines.

4.1.6. The system shall be adapted to existing OA-9070B LBTF electric power.

4.2. Performance

4.2.1. The system shall be capable of 13 gallons per minute (gpm) at 3100 pounds per square inch (psi).

4.2.2. Supply pressure to OA-9070B LBTF shall be 2250 to 3000 psi.

4.2.3. Supply flow rate available to the OA-9070B LBTF shall be 11.5 gallons per minute.

4.2.4. Return pressure from the OA-9070B LBTF shall be 50 to 150 psi (nominal).

4.3. Detailed Requirements

4.3.1. The system shall have a motor with soft start.

4.3.2. The system will have a 40 to 70 gallon reservoir.

4.3.3. Reservoir shall be equipped with temperature and level sensors.

4.3.4. The system shall use a hydraulic pump.

4.3.5. The system shall have pressure gauges that are 150% of nominal pressure.

4.3.6. The system shall have high-pressure relief valves.

4.3.7. The system shall have high-pressure filter with bypass.

4.3.8. The system shall have return filter with bypass.

4.3.9. Supply and return filters shall be 7 microns.

4.3.10. The system shall be equipped with a kidney loop filtration system.

4.3.11. The system shall be installed with wiring/communication between the system and control room.

4.3.12. The system shall be designed with appropriate safety shields, guards, and other features to promote safe operation with minimum risk to the operator and personnel.

4.3.13. The system shall incorporate emergency stop controls.

4.3.14. The system shall be equipped with alarms for high/low pressure.

4.3.15. The system shall be equipped with alarms for high/low temperature.

4.3.16. The system shall be equipped with alarms for high/low fluid level.

4.3.17. The system will direct fluid to the heat exchanger.

4.4. Control/Software

4.4.1. The system shall have remote start/stop and emergency stop buttons in the control room.

4.4.2. The system shall have local start/stop and emergency stop buttons at the hydraulic power plant.

4.4.3. Alarms for high/low pressure, temperature, and fluid level shall be audible from control room.

4.4.4. The operator shall have the ability to silence alarms from the control room before correcting the fault condition.

4.4.5. Sensor read-outs/displays shall be visible in the control room and at the hydraulic power plant.

4.4.6. Fluid pressure shall be visible in the control room

4.5. Interfaces

4.5.1. The system shall integrate with current OA-9070B LBTF hard-piped hydraulic lines.

4.5.2. The system shall integrate with current facility provided power.

4.5.3. The system shall be compatible with the current heat exchanger.

4.6. General

4.6.1. The vendor shall install the system.

4.6.2. The vendor shall disassemble, remove, and dispose of any old equipment and hydraulic fluid.

4.6.3. The vendor shall provide new hydraulic fluid to flush and fully fill the system and the OA-9070B LBTF.

4.6.4. The new hydraulic oil shall be type MIL-PRF-17672 symbol 2075TH.

4.6.5. Power to the system shall be restored manually after power interruptions as per

MIL-PRF-22880.

4.6.6. The system shall be anchored to the facility floor.

4.6.7. The vendor shall provide final electrical and hydraulic schematics of the installed system.

4.6.8. The vendor shall provide an operating manual/instructions and/or technical documentation on installed system.