Section C-1 Specification.docx

Attachment C-1: TECHNICAL SPECIFICATION: 175 WLM MMA GYROCOMPASS SYSTEM

Department of Homeland Security (DHS)

United States Coast Guard (USCG)

175 (WLM) MAJOR MAINTENANCE AVAILABILITY (MMA)

Attachment C-1

TECHNICAL SPECIFICATION:

GYROCOMPASS SYSTEM

XXX XX, 2022

Table of Contents

1. Applicable Information

1.1. Guidance for Information

1.1.1. References and drawings listed below can be provided upon request.

1.1.2. Unless otherwise specified, technical publications and drawings are applicable to 175 WLM Cutters.

1.1.3. Order of Precedence - In the event of a conflict between the text of this SOW and the references and requirements cited herein, this SOW takes precedence. The Contractor must notify the Contracting Officer (KO) and Contracting Officers Representative (COR) in writing for a resolution of any ambiguity or conflict found in the SOW, Technical Specifications, and references prior to proceeding with any work.

1.2. References

SFLC Standard Specification 0850, General Requirements for Drawing Preparation, 2020 SFLC Standard Specification 6310, Requirements for Preservation of Ship Structures, 2020.

1.3. Standards and Specifications

MIL-DTL-15024F, Rev G, Plates, Tags and Bands for Identification of Equipment, General Specifications for, 2018.

MIL-STD-1399C Section 300B, Rev B, Interface Standard for Shipboard Systems, Electric Power, Alternating Current, 2008.

MIL-STD-740, Airborne and Structure Borne Noise Measurements and Acceptance Criteria of Shipboard Equipment.

MIL-STD-167-1, Mechanical Vibration of Shipboard Equipment (Type I Environment) ANSI/TIA/EIA-422-B, EIA Standard RS-422A, Electrical Characteristics of Balanced Voltage Digital Interface Circuits.

Code of Federal Regulations, Title 46 (Shipping), Subchapter F – Marine Engineering & Subchapter J – Electrical Engineering, (2013).

International Electrotechnical Commission (IEC), IEC 61131-3, System Hardware and Software Technical Requirements, Edition 3.0, 2013.

Institute of Electrical and Electronic Engineers (IEEE), IEEE Standard 45, Recommended Practice and Electrical Installation on Shipboard, 2019.

International Maritime Organization (IMO), IMO Resolution A.424(XI), Performance Standards for Gyro-Compasses International Maritime Organization (IMO), IMO Resolution A.821(19), Performance Standards for Gyro-Compasses for High Speed Craft National Marine Electronics Association (NMEA), NMEA 0183 Standard for Interfacing Marine Electronic Devices National Marine Electronics Association (NMEA), NMEA 2000 Standard for Serial Data Networking of Marine Electronic Devices.

National Electrical Manufacturers Association (NEMA), NEMA Standard ICS 1-2000, Industrial Control and Systems (series), 2015.

2. Components, Parts, and Acessories

2.1. Components: The baseline solution for MMA is that each hull will require (1) each Gyrocompass System. A typical ship set will be the replacement of the existing Gyrocompass System.

2.2. Parts and Accessories: Each component set shall consist of the required parts, plus such other accessories as are required to make a complete, self-contained functioning unit. Each Gyrocompass System set shall consist of the following parts, plus such other accessories as are required to make the Gyrocompass System set a complete, self-contained unit that functions without dependence on any other ship auxiliary when connected to the ship’s electric system. Parts and accessories include, but are not limited to:

a) Gyrocompass

b) Controls

c) Converters

d) Data Distribution Equipment

3. General Requirements

3.1. The gyrocompass shall be Fiber Optic Gyrocompass (FOG) or other comparable non-mechanical gyrocompass technology. The gyrocompass shall not utilize rotating or moving parts. The replacement gyrocompass system shall be maintenance-free and require no periodic calibration.

3.2. Equipment Compliance: The new gyrocompass system shall be IMO (International Maritime Organization) compliant for gyrocompasses and meet the applicable requirements of IEEE STD 45 and 46 CFR Chapter I, Subchapter J - Electrical Engineering. IMO compliance certificates, EU “Wheelmark” certificates or ABS classification and any other classification society approvals shall be submitted with proposal. Enclosures for all equipment items shall be at least NEMA 4 or IP66.

3.3. Operational Requirements: Unless otherwise specified within the Technical Specification, all components, parts, and accessories shall operate satisfactory under the following conditions:

a) Atmospheric pressure: 14.5 psia or 100 kPa

b) Operating temperature range: -4°F - 131°F

c) Storage temperature range: -40°F - 176°F

d) Relative humidity range: 0% - 90%

e) Noise: MIL-STD-740-1 Grade C Airborne & MIL-STD-740-2 Type 3 Structure borne

3.4. Operating Conditions: Unless otherwise specified within the Technical Specifications, all components, parts and accessories shall operate satisfactorily and without damage to foundations or equipment (either stopped or operating) under the following conditions:

3.4.1. Survival: All equipment, components, parts, and accessories shall be designed to survive without damage up to Sea State 5 environmental conditions with a maximum vertical acceleration of 0.4 g and a maximum horizontal acceleration of 0.35 g.

3.4.2. Operational: All equipment, components, parts, and accessories shall be designed to operate without damage up to 3 ft significant waveheight, winds up to 30 knots within 30 degrees of the longitudinal centerline of the cutter, bow, or stern with a maximum vertical acceleration of 0.25 g and a maximum horizontal acceleration of 0.2 g conditions.

3.4.2.1. All equipment, components, parts, and accessories shall be designed to operate without damage up to 9 degree list athwart ship, 4 degree static list plus 5 degree dynamic list (roll), single significant amplitude (total 9 degree athwart ship) and 3.5 degree pitch.

3.5. Marine Use: The sets shall be designed and approved for marine use.

3.6. Vibration: All equipment, components, parts and accessories shall be capable of withstanding normal shipboard vibrations as defined in the requirements of MIL-STD-167-1A, Type I vibration up to and including 50 Hz.

3.7. Cybersecurity: All components, parts and accessories shall have all wireless or Bluetooth connectivity capabilities physically disabled or removed prior to installation. After installation, connection of a Contractor or Original Equipment Manufacturer (OEM) owned maintenance machine with external wireless capability will be prohibited. Potential cybersecurity concerns shall be identified by the Contractor.

4. System Requirements

4.1. The Contractor shall provide all labor and material to manufacturer and provide a new Attitude and Heading Reference System (AHRS) Gyrocompass System for installation on a USCG 175WLM Class Cutter. The new Gyrocompass System shall be complete and ready for installation on the cutter.

4.2. Construction

4.2.1. Gyrocompass maximum physical characteristics: 20in High x 15in Wide x 15in Deep

4.2.2. Gyrocompass system controls, conversion & data distribution equipment maximum physical characteristics: 30in High x 25in Wide x 10in Deep

4.2.3. The gyrocompass system including gyrocompass, controls, converters and data distribution equipment can be the aggregate of the dimensions stacked on top of one other added together with the values given above. If all equipment cannot fit within the dimensions given above, a notional arrangement sketch shall be submitted showing the proposed new equipment. The notional arrangement sketch shall be submitted with the Vendor’s proposal.

4.2.4. The gyrocompass shall be provided with a means to permanently attach to the ship’s structure and properly orient to a fixed platform that will provide an accurate (referenced) mounting surface. The gyrocompass shall include all necessary hold down hardware required to permanently attach it to the ship’s structure.

4.2.5. The following HMI equipment, as a minimum, shall be provided at the gyrocompass unit:

· Visual indication of system status (Ready or Malfunction)

· Power switch for application to the ship’s DC power system

· Elapsed time meter that indicates cumulative hours in service

· Manual or Automatic Latitude Correction feature

· Dimming shall be accomplished through the use of tactile knobs, buttons or software

· All system displays shall be viewable in direct sunlight. If backlit technology used the backlight shall be greater than or equal to 1000 NITS (cd/m²)

· All system displays shall be dimmable from 0-100% to prevent loss of night vision.

4.2.6. Input Power

· The gyrocompass and data distribution units shall be capable of operation from a nominal 24VDC source

· The gyrocompass and data distribution units shall operate satisfactory from a range of 20-32 VDC

· The gyrocompass and data distribution units shall have a maximum operational power consumption of 60 W / 75VA

· The gyrocompass and data distribution units shall be capable of satisfactory operation from a DC source with a ripple of less than 100mV (RMS)

4.2.7. Self-Diagnostics / Built-In Tests (BIT)

The gyrocompass system shall have built-in test (BIT) capability. Self-test shall be automatically performed each time the system is turned on. System shall perform continuous fault detection during normal operation. The system shall permit an operator-initiated test to be performed at any time to check system performance via the operator interface or operator supplied interface. Fault isolation shall be performed by the BIT to the Lowest Replaceable Unit (LRU) level. An LRU shall be defined as the lowest subassembly of any component of the system which can be replaced in the field (shipboard) in order to affect complete system repair (i.e., restore normal system operation).

4.2.8. Configuration Software

The vendor shall provide new gyrocompass configuration software that can be installed on a MS Windows 10® PC for selection of at least the following parameters: baud rates, frequency, data frame protocols, multiple level arms and filtering parameters.

4.2.9. All connections to the gyrocompass controls, converters and data distribution equipment shall be provided with mating connectors, pins, cabling and other hardware needed to interface the system elements.

4.2.10. The new gyrocompass shall be provided with a PC connection for monitoring and configuration of the gyrocompass. Output and Input interfaces shall be user configured with software installed on a PC and connected to the system.

4.3. Interface Requirements: The new gyrocompass system shall provide isolated inputs and outputs as required by Chapter 3 of NMEA-0183 and TIA/EIA-422. The following systems use the gyrocompass data:

4.3.1. SPS-50 Radar

4.3.2. Electronic Charting Display and Information System (ECDIS)

4.3.3. Autopilot

4.3.4. Dynamic Positioning System (DPS)

4.3.5. Scalable Integrated Navigation System 2 (SIMS-2)

4.3.6. (4) Heading Repeater Interfaces

4.3.7. Machinery Control System

· Gyrocompass power failure alarm

· Uninterruptible Power Supply Alarm

4.4. Output: The new gyrocompass system shall be provided with six independent serial output connections using a TIA/EIA-422 serial interface and NMEA.

4.4.1. For NMEA-0183 protocol sentences that includes at least the following messages: THS (true heading and status), ROT (rate of turn), VTG (course over ground and ground speed), XDR (transducer measurements, this can be used for attitude), and VHW (water speed and heading). At least one of the four outputs shall be capable of an update rate of ten times per second. NMEA preambles and baud rates shall be user selectable through the configuration software.

4.4.2. For NMEA 2000 parameter group numbers (PGN) that must include at least the following: 127250 (Vessel Heading True or Magnetic), 127251 (Rate of Turn), 127257 (Attitude), and 129026 (Course over Ground {COG}, Speed over Ground {SOG} rapid update).

4.5. Input: The new gyrocompass system shall be provided with two independent serial input connections using a TIA/EIA-422 serial interface and NMEA-0183 or NMEA-2000 protocol sentences/PGNs (if required for operation).

4.5.1. If non mechanical gyro technology requires data input to successfully operate it shall be limited to a $--GGA, and/or $--VTG sentences compliant with NMEA-0183 version 4. If gyro technology requires other than listed sentences, request availability of required sentences from USCG.

4.6. Alarm Output: The gyrocompass system shall provide an alarm malfunction alarm when the gyrocompass power fails, accuracy/outputs may have become degraded or non-functional. Local visual / audio (silenced by acknowledgement) alarm indication and remote alarm indication shall be provided. The gyrocompass shall be provided with a dry set of Form C, SPDT relay contacts rated for 3A resistive for interface to the supervised input of the cutter’s Machinery Control System (MCS).

4.7. General Electrical Requirements

4.7.1. Electrical power on board USCG Cutters is derived from a 450 VAC, 3 phase, ungrounded system.

4.7.2. All electrical and electronic equipment shall be capable of operating on Type-1 power in accordance with MIL-STD-1399, 300.

4.8. Electrical Controls - Electrical controls shall be in accordance with the requirements contained in IEC Standard 6-1131-3, IEEE-STD-45 and 46CFR, Subchapter J. All control power shall be 120 VAC, single phase.

4.9. Enclosures - Electrical enclosures for wiring, controls and components shall be NEMA Type 12 with a drip shield as a minimum. Enclosure construction shall be of a gauge, which will accept standard nylon stuffing tubes for cable entry.

4.10. Wiring - Wiring shall be in accordance with the requirements contained in IEEE-STD-45, 46CFR, Subchapter J and NEMA ICS. Wiring harnesses shall be clamped so as to minimize chaffing and shall be positioned so as not to interfere with operation, maintenance and servicing of the compressor unit.

4.11. Junction boxes - Junction boxes shall preclude the entrance of water, oil and dust. Junction boxes with pre-punched perforated holes shall be prohibited. Junction boxes shall be provided with terminal blocks for wiring connections. Wire and cable connections for power and control within controllers and junction boxes shall be connected to devices or terminal blocks by means of compression/crimp loop type terminal lugs.

4.12. Miscellaneous - Original Equipment Manufacturers’ label plates and other identification supplied on the equipment shall not be removed, erased or otherwise destroyed from the equipment.

5. Performance Requirements The new gyrocompass system shall at least meet the following performance requirements. The terminology and test methods shall be in accordance with IMO A.424(XI) and A.821(19)

5.1. Accuracy: Heading 0.1° deg. x Secant Latitude

5.2. Roll/Pitch Range: ± 180°

5.3. Dynamic Motion: Roll - ± 45°

5.4. Dynamic Motion: Pitch - ± 45°

5.5. Speed: -10 to 90 Knots

5.6. Settling Time: < 30 minutes (full accuracy), unaided. As defined in IMO A.424(X1) and A.821(19) resolutions

5.7. Rate: < 90 degrees/second

5.8. Availability: Gyro shall continue to output data in an alarm state if heading accuracy is + or - .2 - .5 degree. This would allow the ECDIS user past the current + or - .1 but when operating within original .1 heading accuracy, green no alarm. + or - .2 - .5 degree of accuracy = a warning state, yellow use with caution but heading still available. When heading accuracy of + or - .6 cannot be maintained then red alarm and output is discontinued

5.9. MTBF shall exceed 50,000 hours

6. Shipping

6.1. The Contractor shall provide shipping containers for use during equipment delivery. Shipping containers shall meet the requirements of ASTM D3951 for appropriate commercial packaging.

6.2. The Contractor shall notify the KO and COR via email of pending shipment at least seven (7) calendar days prior to shipment.

6.3. Large items (length + girth of box greater than 130 inches) and items over 70 lbs shall be packaged in skid mounted shipping containers, suitable for handling with a forklift.

6.4. Shipping containers shall be completely enclosed and structurally suitable for stacking. The containers shall be suitable for outside stowage in the weather including precipitation, temperatures ranging from -10 F to 110 F, and dew point up to 80 F. Shipping containers shall be assembled with bolts or screws to permit ease of removal of the cover or lid from the base.

6.5. Major components shall be bolted to the framing system. Loose components shall be intermediate boxed and shall be restrained within the shipping container. Suitable cribbing shall be provided to prevent damage during shipment. Protrusions, projections, corners, sharp edges and fragile areas shall be cushioned to protect the equipment and to prevent rupture of shrink-wrap materials.

6.6. A copy of the packing list for each box or shipping container within the shipset of material shall be prepared and electronically forwarded to the KO and COR for use as a check-off sheet by SFLC Shipping/Receiving warehouse personnel. A copy of the list shall be posted inside a waterproof, clear plastic envelope on the outside of one shipping container. The packing list shall clearly indicate how many containers or boxes are part of the Ship-Set of Equipment.

6.7. Shipping Containers (Crates)

6.7.1. Each crate top shall be attached to the skid using bolts or screws so the top may be removed without damage and reused.

6.7.2. Each crate top shall have a minimum of two (2) lifting eyes attached to aid in top removal using a crane.

6.7.3. The crate shall be so constructed that it may be hoisted from both sides by a forklift.

7. Supply

7.1. Equipment:

7.1.1. Gyrocompass System

7.1.2. Parts and Accessories

7.1.3. Equipment shall be delivered within eight (8) months after receipt of order or sooner if mutually agreed upon within the delivery order.

7.1.4. All equipment, parts and accessories supplied under this Technical Specification shall comply with the requirements listed herein and meet quality assurance requirements.

7.2. Spare Parts (Recommended)

7.2.1. The Contractor shall provide a recommended spare parts list for onboard repair parts (OBRP) and system stock parts. The Contractor shall provide recommended or approximate hour replacement timeframes for all spare parts. All spare parts shall also be identified in the applicable Technical Publication. The USCG reserves the right to order part quantities less than or greater than the recommended quantity within the Contractor provided parts list.

7.2.2. Onboard Repair Parts (OBRP) – Onboard repair parts are items that unit personnel can replace at the organizational level of repair without additional special tools or technical support. The Contractor shall provide a list of OBRP including the price and quantity recommended by the Contractor to provide initial sparing for the ship to support the end items of one ships set of equipment for a period of twelve (12) months. The list shall include the OBRP Kit part number, OEM Part Number, CAGE Code, part description, National Stock Number for parts already identified in the Federal Stock System, shelf life, special material/operating requirements, quantity, estimated retail cost per part and total estimated cost of full list of recommended OBRP. OBRP supply shall be delivered within twelve (12) months after receipt of order or sooner if mutually agreed upon within the delivery order.

7.2.3. System Stock - System stock shall be the long lead time materials (materials with lead times over 45 days) and/or manufacturer designated critical items. The Contractor shall provide a list of system stock parts including the price and quantity recommended by the Contractor to support the end item for a period of two (2) years. This list shall include the OEM Part Number, CAGE Code, part description, National Stock Number for parts already identified in the Federal Stock System, shelf life, special material/operating requirements, quantity, estimated retail cost per part and total estimated cost of full list of recommended system stock. System stock shall be delivered within twelve (12) months after receipt of order or sooner if mutually agreed upon within the delivery order. Contractor shall notify the KO if the commercial lead times for any item exceeds 12 months.

7.2.4. Additional Long Lead Time Material - The Contractor shall list any additional equipment and components that are OEM specific and are either greater than $2,500.00 in price, or have a lead time greater than six (6) weeks not previously defined in the System Stock.