PRELIMINARY DESIGN - DISTRIBUTED CONTROL SYSTEM
Koch Refinery Company - St. Paul, Minnesota

Emerson Process Management was asked to provide preliminary engineering and a detailed estimate to design, install & start-up two new Distributed Control Systems (DCS) for Koch, an upper mid-western petroleum refinery. The first DCS project would replace the existing controls in the boiler house. The second DCS project would replace the existing controls on ten operating units. Both projects included preliminary design and estimated construction cost for new separate control buildings. The client selected the DCS manufacturer prior to Emerson's involvement, as the client has an existing installed base of Fisher - Provox equipment. Emerson developed the Input/Output (I/O) count based on Process and Instrument Drawings (P&IDs) and Instrument Index, and included I/O type: Analog, Discrete, etc.

These projects were completed within budget. The detailed estimates were within 5% of previous estimates. Below is a list of activities performed on this project.

• Mark-up P&IDs with DCS symbols
• Develop I/O count
• Estimate Provox Hardware quantity
  
• Design scope of work and project execution proposal
• Develop electrical contractor preliminary bid package
• Develop specifications and preliminary design of new buildings
• Present preliminary designs to contractors and ask for bids

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