Each year thousands of utility strikes occur in Michigan, including damage to gas and pipeline facilities. These strikes cause service outages, put the public and employees at risk, and result in costly repair bills for excavators. The information provided within this booklet can help reduce or eliminate your likelihood of strikes occurring during your upcoming […]
Excavation & Trenching Safety
Read posts about Excavation & Trenching Safety from Ron Meyer & Associates Excavating, West Michigan excavation contractors.
What is an Excavation in Construction?
According to OSHA, An Excavation is any man-made cut, cavity, trench, or depression in an earth surface that is formed by earth removal. A Trench is a narrow excavation (in relation to its length) made below the surface of the ground. In general, the depth of a trench is greater than its width, and the […]
What is a Confined Space in Trenching/Excavation?
Confined Space is a space that, by design and/or configuration, has limited openings for entry and exit, unfavorable natural ventilation, may contain or produce hazardous substances, and is not intended for continuous employee occupancy. For additional information, see OSHA Technical Manual (OTM) Section V: II. Definitions. At Ron Meyer & Associates Excavating, we’ve been providing underground […]
What is Sliding / Sluffing in Trenching/Excavation?
Sliding or sluffing may occur as a result of tension cracks. Tension cracks usually form at a horizontal distance of 0.5 to 0.75 times the depth of the trench, measured from the top of the vertical face of the trench. For a visual, see Figure V:2-1. Tension Crack. For additional information, see OSHA Technical Manual (OTM) […]
What is Boiling in Trenching/Excavation?
Boiling is evidenced by an upward water flow into the bottom of the cut. A high water table is one of the causes of boiling. Boiling produces a “quick” condition in the bottom of the excavation or trench, and can occur even when shoring or trench boxes are used. For additional information, see OSHA Technical Manual […]
What are Ingress and Egress in Trenching/Excavation?
Ingress and Egress mean “entry” and “exit,” respectively. In trenching and excavation operations, they refer to the provision of safe means for employees to enter or exit an excavation or trench. For additional information, see OSHA Technical Manual (OTM) Section V: III. Overview: Soil Mechanics. At Ron Meyer & Associates Excavating, we’ve been providing underground and […]
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