Web2. Identify the characteristics of a trench. a. Trench (Trench excavation) means a narrow excavation (in relation to its length) made below the surface of the ground. In general, the depth is. greater than the width , but the width of a trench (measured at the bottom) is. not greater than 15 feet (4.6 meters). Is large enough for a worker to ... WebA trench is defined as 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, but the width of a …
JSA Excavation - Yumpu
Web13 apr. 2024 · According to OSHA, supervisors should test atmospheres in trenches and excavations deeper than 4 feet. If oxygen levels are less than 19.5%, OSHA considers that Immediately Dangerous To Life or Health (IDLH). 3. Hitting Utility Lines All trenches face the risk of striking underground utility lines. Web1 aug. 2006 · Home; Job Safety Analysis - Excavation Using a Backhoe or Similar Equipment; Job Safety Analysis - Excavation Using a Backhoe or Similar Equipment great dane life span expectancy
Jha For Excavation Work-2016 PDF Occupational Safety And
Web28 jan. 2015 · JSA /STA. Excavate trench to proper depth. Cave ins from unsupported sides of trench. After reaching a depth of five feet, a certified. and inspected trench box shall be in place in the. excavation prior to anyone working in the. trench. The trench box must rest within two. feet of the bottom of the trench. WebJHA FOR EXCAVATION WORK-2016 Uploaded by OGBONNAYA MARTINS Description: THIS IS TASK DRIVEN JOB HAZARD ANALYSIS FOR CABLE TRENCH EXCAVATIONS Copyright: © All Rights Reserved Flag for inappropriate content of 4 JOB HAZARD ANALYSIS Team composition: 04 / 11/ 2016 WebNeed for trench rescue or EMS Wear Double Hearing Protection whenever 30 ft. close to operating near Hydro Vac equipment. Call plant emergency number for all emergency response needs. Plant protection is coverage for excavation/trench rescue; they must be contacted daily to advice of excavation/trenching activities. great dane lying down