Complex I & II Incinerator Improvements Design / Build

About this project

This project involved the rehabilitation of two multiple hearth incinerator complexes, constructed in the late 1930s. The electrical and instrumentation and controls scope of work for the rehabilitation included replacement of Continuous Emissions Monitoring Systems (CEMS), and related instrumentation and controls for 14 incinerators. Regulatory reporting of incinerator emissions needed to be kept in operation and compared to new regulatory reporting equipment as the transition occurred.

Under a Design/Build contract, Sigma upgraded the instrumentation as well as the control and reporting system using a new central data repository for all the incinerator data. Sigma also modified the controller programs for the communication to the new historian, and for new operation with new instrumentation; set up operator interface screens on new workstations; and developed EPA required emissions reports in the historian reporting package. Sigma developed a strict testing protocol and tested the new system. Sigma engineers had to plan for and capture sufficient data to certify operation and the communication system in accordance with regulatory requirements.

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