facility design

Optimization is Our Specialty

We design composting facilities that maximize space and operating efficiency, with technology and equipment that maximizes throughput and minimizes odors.

30+ years designing innovative composting facilities

Municipal, commercial, and agricultural facilities of all sizes

Systems that pay for themselves through operating efficiency

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Facility Types

Aerated Static Pile (ASP)
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Turned Aerated Pile (TAP)

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Earth Flow + Secondary ASP
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Earth Flow
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Tunnel Systems

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Pipe on Grade ASP

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Sparger Aerated Static Pile (ASP)

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Aerated Static Pile (ASP)

Odor Control

Capacity

Process Time

2,000+ T/year

60+ Days

Odor Control

Capacity

2,000+ T/year

Processing Time

60+ Days

Learn More About ASP

Turned Aerated Pile (TAP)

Odor Control

Capacity

Process Time

10,000+ T/year

45+ Days

Odor Control

Capacity

10,000+ T/year

Processing Time

45+ Days

Learn More About TAP

Tunnel System

Odor Control

Capacity

Process Time

2,000+ T/year

60+ Days

Odor Control

Capacity

2,000+ T/year

Processing Time

60+ Days

Learn More About Tunnels
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Earth Flow

Odor Control

Capacity

Process Time

50 - 5,000 T/year

45+ Days

Odor Control

Capacity

50 - 5,000 T/year

Processing Time

45+ Days

Learn More About Site Built Earth Flow

Mechanical Biological Treatment

Odor Control

Capacity

Process Time

2,000+ T/year

30+ Days

Odor Control

Capacity

2,000+ T/year

Processing Time

30+ Days

Learn More About MBT Processing
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"I first met Jeff around 1992, when my agency assigned me to find out why a major composting operation in our jurisdiction was creating odors that could be smelled 11 miles away. At that time Jeff was the manager of the LRI facility in Gig Harbor, WA. Jeff took me under his wing and taught me the basics of composting, and how to do it odor free. As the last two decades have gone by, Jeff became the go-to guy in the State of Washington, whenever I needed to learn something about composting not yet covered in the literature. My agency has never had to write a nuisance ticket on ANY of the facilities he was involved with. Lenz Composting, the composting factory at LRI Puyallup, and LRI Gig Harbor facility all have clean records with us. If you have two dozen suddenly deceased cattle to compost, (all in one pile), there is no one else I would trust to do the job. A couple of winters ago Jeff did just that at Lenz Composting, ODOR FREE! I’ve seen it, I’ve smelt it, and my agency has pictures to prove it.”

- Claude Williams, PE; Puget Sounds Clean Air Agency, Seattle WA, psclearair.org

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