Per OSHA, Adjacent Structures Stability refers to the stability of the foundation(s) of adjacent structures whose location may create surcharges, changes in soil conditions, or other disruptions that have the potential to extend into the failure zone of the excavation or trench. For additional information, see OSHA Technical Manual (OTM) Section V: Chapter 2 (Definitions). At […]
Excavation & Trenching Safety
Read posts about Excavation & Trenching Safety from Ron Meyer & Associates Excavating, West Michigan excavation contractors.
Per OSHA, During first and subsequent visits to a construction or facility maintenance location, the compliance officer (or the site’s safety officer or other competent person) may find the following questions useful. Is the cut, cavity, or depression a trench or an excavation? Is the cut, cavity, or depression more than 4 ft (1.2 m) in depth? Is there water in […]
Per OSHA, Methods for controlling standing water and water accumulation must be provided and should consist of the following if employees are permitted to work in the excavation: Use of special support or shield systems approved by a registered professional engineer. Water removal equipment, i.e. well pointing, used and monitored by a competent person. Safety […]
Per OSHA, Employees shall not be permitted to work in hazardous and/or toxic atmospheres. Such atmospheres include those with: Less than 19.5% or more than 23.5% oxygen; A combustible gas concentration greater than 20% of the lower flammable limit; and Concentrations of hazardous substances that exceed those specified in the Threshold Limit Values for Airborne Contaminants established […]
Per OSHA, Inspections shall be made by a competent person and should be documented. The following guide specifies the frequency and conditions requiring inspections: Daily and before the start of each shift; As dictated by the work being done in the trench; After every rainstorm; After other events that could increase hazards, e.g. snowstorm, windstorm, […]
Per OSHA, Employees must be protected from loads or objects falling from lifting or digging equipment. Procedures designed to ensure their protection include: Employees are not permitted to work under raised loads. Employees are required to stand away from equipment that is being loaded or unloaded. Equipment operators or truck drivers may stay in their […]