LLI Engineering has completed several projects for ALCOSAN in the past 30 years. 

Specific projects include commissioning and LEED consulting on the new Operations Building and the new Customer Service Building and laboratories. Additionally, LLI provided emergency trouble shooting services to correct significant issues with the operation of the main pump station and the main control room. Work included upgrading the control automation, correcting chilled water flow issues, and balancing ventilation issues. 

LLI has also provided other engineering firms support with design of flap gates and specific structural, mechanical, and electrical detailing of waste process systems.