Start studying excavation and trenching test learn vocabulary, terms, and more with flashcards, games, and other study tools excavation jobsite and safety . Trenching and excavation safety what are the four primary types of soil seen when trenching and excavating, and what are their characteristics printable quiz. Trenching safety introduction to trenching hazards †review quiz background fatalities in type 2 soil, the sides of a trench will remain vertical for a short .
2 trenching and shoring safety -competent person the manual for excavations trenching and shoring is produced in adobe acrobat the filename is manual for excavations . Excavations quiz #1 the soil is probably – a trench shield should extent at least 12 inches above the surrounding area of the trench a true b. Cave-ins excavation safety trench safety the weight of equipment too close to the edge of a trench soil that does not hold tightly together, such as sandy soil . When using the thumb penetration test, if your thumb penetrates no further than the length of the thumb nail, the soil is probably – a trench shield should .
How simple soils inspection equipment promotes trench safety is all that is required to perform this test how it promotes safety: soil penetrometers, trench . Access 100% of our training material for free, including the study guide, module quizzes, course activities and resources, and course exams the occupational safety and health administration issued its first excavation and trenching standard in 1971 to protect workers from excavation hazards since . Cap safety meetings excavation and trenching circle the letter representing the correct answer to each quiz question below type c soil is usually very loose .
Earth excavation to a depth of 2 ft (061 m) below the shield is permitted, but only if the shield is designed to resist the forces calculated for the full depth of the trench and there are no indications while the trench is open of possible loss of soil from behind or below the bottom of the support system. Excavation and trench safety when a trench or other excavation is made in soil, gravity and residual forces in the ground work to restore the soil to a more stable configuration. Trench safety training • depth and width of trench • soil classifications quiz trench accidents occur: a mostly in the midwest b in sandy types of soils. Construction safety quiz questions 12 questions looking at the soil type the walls of the cut should be sloped c how is this trench in violation a.
osh 379 soil safety / trenching safety quiz week 5 1 define “trench” a a narrow excavation (in relation to its length) made below the surface of the ground. Trenching & excavation safety trench or depression in an earth surface that is formed by earth 5 inches deep in a type c soil the general contractor who created. Excavation safety quiz 8 to excavate and trench safely, you must know about soil mechanics and how to slope and shore horizontal . Some of the most common types of soil conditions that lead to trench and excavation failure are also discussed trench and excavation safety answer the quiz . Construction safety video, quiz & training session person to classify soil and to hazards of the excavation/trench area this quiz and accompanying practical .
Quizzes health safety health and safety in construction quiz how is this trench in violation which soil type has the greatest compressive . Excavation safety: soil classification scope application requirements the procedure for the drying test involves drying a sample of soil that is approximately . Answer the following questions by choosing the best answer each question will only have one answer. Page 1 of 3 health and safety meeting quiz h&s safety subject: excavation safety date: june 21, 2010 1 at what distance must materials, equipment, and excavation spoils remain from the edge of the.
Trenching and excavation safety describe dangers associated with trench and excavation work what are the four primary types of soil seen when trenching and . Soil classification and excavation safety let’s calculate the slope angle of a simple trench that is 6 feet deep by 2 feet wide, factoring in the type of soil . Osha soil classification for construction safety (dvd) the best way to prevent trench cave-in tragedies is to determine the soil type before excavation work begins featuring detailed scenes of professional trenching jobs, this video introduces trainees to osha soil classification techniques. A quick yet detailed certification in osha safety with a focus on trenching, excavation, & soil mechanics quiz after a section safety standard for .