Tag: soils

Soil is the mixture of minerals, organic matter, gases, liquids, and countless organisms that together support plant life. Two general classes are topsoil and subsoil.

Reader Profile: Maihan Noorzay

Reader Profile: Maihan Noorzay

After 12 years working for other geotechnical consulting firms, Maihan Noorzay knew what he wanted his own company to look like when he launched Noorzay Geotechnical Services (NGS) in Southern California in 2017. “We wanted to take a step outside of the box and offer clients a tailored service providing

Heavy Duty Cycle

Heavy Duty Cycle

Industry innovations often arise from the people whose everyday work poses a frustrating obstacle. “If we could only do…” or “If there was just a machine that did…think how much better our work product could be!”

Marshalling ideas plus experience and faced with the growing dilemma of keeping equipment clean, Garrett

Earth, Wind, and Water

Earth, Wind, and Water

Nature has been using water to shape the landscape since the beginning of time. Wind, rain, rivers, streams, and creeks can shape valleys and carve out canyons. These waterways and wind paths are themselves constantly changing; as a Greek philosopher noted, “We can never step in the same river twice.”

How to be Defense-minded With Trenching and Shoring Projects

How to be Defense-minded With Trenching and Shoring Projects

Trenching operations are never “ordinary.” Accidents are never expected. But they can be anticipated and prevented. To be forewarned is to be forearmed. Geotechnical investigation of the soil to be excavated during the trenching operation provides the first warnings that there could be a problem with trench stability. Engineering analysis

Reader Profile: Cathy Hall

Reader Profile: Cathy Hall

Solid waste is a business, whether you work for a private company or a municipal government, contends Cathy Hall. Hall manages the integrated solid waste system for Pitkin County, CO. “Contracting and budgets are a big part of the job,” she says. “Pitkin County Solid Waste Center (SWC) is an

The Benefits of Engineered Soils

The Benefits of Engineered Soils

Engineered soil: it sounds like a new concept, but one historical record notes it is more than 1,000 years old. In the sixth century AD, a group of ascetic monks left the lush, green mainland of Ireland seeking a new, remote environment to practice their dedication and humility. Braving the

Options for Dust Control

Options for Dust Control

EPA has a commonly accepted statement on dust: “One car making one pass on one mile of dirt or gravel road one time each day for one year creates one ton of dust.” It doesn’t have a comparable statement regarding horses, but a similar calculation might be possible.

Every Job and Every Day Are Different

Every Job and Every Day Are Different

The hydroseeding machine and the crew may be the same as last month or last year, but every job is different. Each project has its own variables—tricky slopes, tight timelines, rain that just won’t quit, and more. Finding the right combination of seeds, mulch, and other ingredients so that soil

Heavy-Duty Support

Heavy-Duty Support

There are few more compelling images of the American adventure than those of the Old West. Whether depicted in fiction, photos, film, or ballads, they celebrate the heyday when gold, copper, and silver were king. While many succeeded but most just found high prices, disappointment, and hard work, the allure

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