Williams/Laurel Mountain Midstream Herminie Compressor Station

Project Scope

Williams/Laurel Mountain Midstream, LLC added a new two bay natural gas compressor building with one 3612 CAT driven Ariel compressor and space for a future 3612 CAT driven Ariel compressor and a new inlet slug catcher, inlet filter separator, dehydration discharge filter separator and discharge oil coalescer filter at the existing Herminie Compressor Station

Excellence Engineering, LLC provided electrical and instrument engineering, control system design and construction support.  Excellence provided detailed IFC instrument and electrical installation drawings.  Excellence provided an electrical load and short circuit study, NFPA required arc flash analysis with equipment labels, electrical equipment specifications heat trace design and installation details, hazardous lighting layout, lightning protection design per NFPA 780.  Excellence provided the specifications for the instrumentation consisting of pressure transmitters, thermowells and RTD’s, multi-variable flow transmitter and liquid level switches.

  • E&I Engineering
  • Lightning Protection Design
  • Loop Diagrams
  • Construction Support

Notable Accomplishments & Challenges

  • Excellence was challenged with coordinating work with the mechanical engineering firm and managing design changes while providing project deliverables in a timely manner to support the client construction and commissioning schedule.