Landfill Gas and LFGE – Coffin Butte Project, PNGC Power, Corvallis, Oregon

SCS Engineers landfill gasThe Coffin Butte Landfill LFG-to-Energy (LFGE) facility originally employed three Caterpillar 3516 engine-generators, and had a total capacity of 2.4 megawatts. The facility was being expanded through the addition of two Caterpillar 3520 engine-generators. The expanded facility now has a capacity of 5.6 MW.

SCS’s services on this project included:

  • Process engineering

  • Procurement and installation specifications

  • Design of all mechanical equipment and piping

  • Design of all electrical work

  • Design of all civil, structural and site work, including a building expansion

  • Design of a plantwide SCADA system using SCS’s proprietary iSCADA technology

  • Construction phase engineering support

The expanded plant began operation in October 2007.

SCS Engineers’ responsibilities:

  • Detailed Design
  • Construction QA/QC
  • SCADA System