Essayons Bow Thruster VFD Critical Spares

THIS IS A SPECIAL NOTICE PREPARED IN ACCORDANCE WITH REVOLUTIONARY FEDERAL OVERHAUL (RFO) 5.2

"SYNOPSIS OF PROPOSED CONTRACT ACTIONS." U.S. Army Corps of Engineers (USACE), Portland District intends to negotiate/award a sole-source contract with ZF Marine Propulsion Systems Miramar, LLC, for Bow Thruster VFD Critical Spares. The statutory authority for this non-competitive acquisition is 10 U.S.C 3204(a)(1) as implemented by FAR 6.103-1(b), Only one responsible source.

Dredge Essayons uses a proprietary bow thruster system that includes the software, hardware, equipment, and bow thruster gear. Part of this arrangement includes a variable frequency drive (VFD) that controls the speed and direction of the bow thruster. The VFD components have a limited life, and spares must be on hand for replacement to meet the mission requirement. These units have been in service since 2008 and are nearing the expected end of life. These proprietary components are provided by ZF Marine Propulsion Systems Miramar, LLC.

The contractor shall Provide bow thruster variable frequency drive (VFD) critical spares to include Driver IGBT, HMI, Copper Bar support.

Provide the following critical spares for ZF Model 5001TT Bow Thruster Part Number 0803X500 01.

• Twelve (12) Part No. 7832975167 01; IGBT Driver for 1.1MW Powerstack.


• Three (3) Part No. 7832975165 01; Econo V Adapter Assembly.


• One (1) Part No. TBD; Frenco Chopper Econopak.


• One (1) Part No. TBD; HMI Touch Panel 96MB 5.7”.


• Three (3) Part No. TBD; Econo Pack Copper Bar Support.

Final inspection and acceptance will be completed at the USACE District Warehouse located at 8010 NW St Helens Rd, Portland OR, 97210. Delivery of parts is to occur no later than 52 weeks following date of award.

A SOLICITATION WILL NOT BE POSTED. The Government intends to proceed with this sole source action. The NAICS code is 336611. The size standard is 1,300 employees for the NAICS code defined by the U.S. Small Business Administration.