Justification for Sole Source At or Below SAT Template Marine Technologies REDACTED.pdf

Source Selection Information – See FAR 2.101 and 3.104

JUSTIFICATION FOR SOLE SOURCE OR BRAND NAME (Simplified Acquisitions -

MPT to <$250K)

Document number: N0957725RC00PF1 .

The supplies or services described herein are being solicited on a sole source basis or brand name basis and competition is precluded for reasons indicated below. There are no substitutes available for the supplies or services.

Check One:

Service:

Contractor:

Contractor Address:

Contractor POC:

Phone #:

Email:

Cage Code/DUNS:

Supply:

Restricted to the following source. If a sole source manufacturer distributes via dealers, ALSO provide dealer information.)

Original Manufacturer Name: SCHOTTEL Marine Technologies GmbH Manufacturer: SCHOTTEL Marine Technologies Manufacturer POC: Björn Bender Manufacturer Phone #: +49 2628 61-0 Manufacturer Address: 1741 Denley Road, HOUMA LA 70363 Dealer/Rep: SCHOTTEL Inc.

Dealer/Rep Address Phone No. Brian Fariello (985) 346-8302 Email: bfariello@schottel.com

Description of the supplies or services required, the estimated price/cost, and required delivery date.

To procure replacement Port Z-Drive primary steering Variable Frequency Drive (VFD) controller required.

The currently installed Primary controller has failed; currently running on the back up controller only. The new controller is needed to restore redundancy to our propulsion steering system. TSV5 Vindicator is part of Carrier Strike Group Four stationed at Joint Expeditionary Base Little Creek (JEBLC) in Virginia Beach VA.

a. One (1) complete set of SCHOTTEL Modernization Equipment Controls: SCD 2020 FP Electrical Steering Upgrade (Part Only) compatible with Asset: SCD 2020 SRP SRP-117883, SCD 20 - 20 SRP SRP- 117884 in accordance with technical specification VMO / AG_Benderb_000632 000

1) Steering Units

2) Main Steering VFD with 100% (FFU)

3) Back up Steering VFD with 100% (FFU)

4) Control PLC for SCHOTTEL Steering gear application ivy.cuffee Highlight ivy.cuffee Highlight

5) Set of smaller parts for installation in the SCHOTTEL switch cabinet

6) Set of smaller parts for amendment of cabinet fan control

Cost: $93,093.00

PERIOD OF PERFORMANCE: 07/30/2025- 09/30/2025

Describe in detail why only this source can furnish the requirements to the exclusion of other sources. (what specific characteristics of the supplies or services limit the availability to a sole source (e.g., unique features, function of the item, etc.)?)

SCHOTTEL Marine Technologies is the Original Equipment Manufacturer and holds proprietary control over the materials and repair services.

Existing Unit Unit Type : SCD 2020 FP Input power : 2500 kW Input speed : 750 rpm ±3% Type of construction : L Prime Mover : electric motor

SCHOTTEL Modernization and Conversion Team. Comparatively small installation effort will yield great advantages, such as increased maneuverability and lower environmental impact. Electrical components are subject to more innovative change, constantly enabling state-of-the-art condition monitoring. To address this development, you can choose between replacing individual components or a completely new control system when upgrading. Component replacement: Maintaining electrical systems by replacing obsolete control components through to the replacement of complete switch and control panels with the latest SCHOTTEL functionalities; retrofitting of DP/AP/VDR systems and automation systems.

A patent, copyright or proprietary data limits competition.

SCHOTTEL Marine Technologies has developed proprietary control systems that integrate the VFDs with the vessel's overall navigation and control infrastructure. This includes features like force feedback steering and specialized software for optimized performance in specific applications. It uses a patented electronic force feedback system for improved control and performance, reduced maintenance, and easier installation. This system also features proprietary bus communications and microprocessor control integrated into the controller.

These are "direct replacement" parts/components for existing equipment.

A Z-Drive primary steering Variable Frequency Drive (VFD) controller is a crucial component in marine propulsion systems, specifically in vessels equipped with Z-drive thrusters.

Here's a breakdown of what that entails:

Z-Drive Thruster Systems: Z-drive thrusters are azimuth thrusters where the propeller can rotate 360 degrees, allowing for precise maneuverability of a vessel. They are powered by an engine (diesel or electric) connected to a gearbox, and the propeller is typically electric.

VFD Controllers: A Variable Frequency Drive (VFD), also known as an adjustable frequency drive

(AFD) or variable speed drive (VSD), is an electronic device that controls the speed of an AC electric motor by varying the frequency and voltage of the electrical power supplied to it.

Primary Steering: The VFD controller is the primary means by which the steering of the Z-drive thruster is controlled.

How it works:

AC to DC Conversion: The VFD takes incoming AC power from the vessel's electrical system and converts it to DC using a rectifier.

DC to Variable AC Conversion: The VFD then uses an inverter to convert the DC power back into

AC power, but with a variable frequency and voltage. This conversion is achieved through pulse-width modulation (PWM) using components like IGBTs (Insulated-Gate Bipolar Transistors).

Motor Speed Control: By adjusting the frequency of the AC power supplied to the electric motor within the Z-drive thruster, the VFD can precisely control the speed and torque of the propeller, allowing for accurate steering and maneuvering.

Benefits:

Precise Speed and Torque Control: VFDs allow for fine-tuned adjustments to the thruster's speed and torque, leading to enhanced maneuverability and positioning, particularly important for specialized vessels like tugboats and offshore support vessels.

Energy Efficiency: By operating the motor at optimal speeds, VFDs significantly reduce energy consumption and operating costs compared to fixed-speed drives.

Reduced Mechanical Stress: VFDs enable smooth acceleration and deceleration of the motor, reducing mechanical stress on the thruster and extending the lifespan of components.

Reduced Maintenance Costs: The smoother operation and reduced wear and tear on components, combined with the VFD's diagnostic capabilities, lead to lower maintenance expenditures.

Document number: N0957725RC00MF1 .

I CERTIFY THAT THE INFORMATION PROVIDED ABOVE IS COMPLETE AND ACCURATE TO

THE BEST OF MY KNOWLEDGE. I UNDERSTAND THAT THE PROCESSING OF THIS SOLE

SOURCE JUSTIFICATION PRECLUDES THE USE OF FULL AND OPEN COMPETITION.

Ann E Sledge 22JUL2025 Signature Date

SLEDGE-

ILTIS.ANN.ELIZAB

ETH.1174525206

Digitally signed by SLEDGE-

ILTIS.ANN.ELIZABETH.11745

25206 Date: 2025.07.22 13:18:19 -04'00'

CSG4 – TSVRON4 Logistics Management Specialist Activity Title

I HEREBY DETERMINE THAT THE CIRCUMSTANCES OF THE CONTRACT ACTION DEEM

ONLY ONE SOURCE REASONABLY AVAILABLE IN ACCORDANCE WITH FAR 13.106-

1(b)(1)(i).

Contracting Officer Signature Date

NAVSUP Fleet Logistics Center, Norfolk Contracting Department <<adjust as necessary – Philadelphia Office, Mechanicsburg Office>>