What Are Some Examples Of Trenches? Trench Ocean Maximum Depth Mariana Trench Pacific Ocean 10,920 m (35,830 ft) Tonga Trench Pacific Ocean 10,820 m (35,500 ft) Philippine Trench Pacific Ocean 10,540 m (34,580 ft) Kuril–Kamchatka Trench Pacific Ocean 10,542 m (34,587 ft) What are the names of some trenches? Name Location 1 Challenger Deep Izu–Bonin–Mariana
What Are The Three Methods To Protect Workers From Collapsing Excavations? Shore the Trench’s Perimeter to Hold Back Potential Cave-ins. … Shield the Workers with Trench Boxes. … Slope the Trench Walls to Reduce Dangerously Steep Walls. What is a way to protect workers in case a trench collapses? Shoring is a system that supports
Is There A Monster In The Mariana Trench? Alien-like jellyfish found near the Mariana Trench resembles a ghost from arcade game Pac-Man. … The bizarre sea creature was discovered by NOAA’s Okeanos Explorer on Dive 4 at 12,139 feet on the Enigma Seamount near the Mariana Trench (known as the deepest part of the world’s
What Is An Excavation OSHA? OSHA defines an excavation as any man-made cut, cavity, trench, or depression in the Earth’s surface formed by earth removal. … In general, the depth of a trench is greater than its width, but the width of a trench (measured at the bottom) is not greater than 15 feet (4.6
What Expedition Did James Cameron Accomplish In 2012? On March 26, 2012, Jim and the DEEPSEA CHALLENGE team succeeded, and James Cameron became the first person to reach the 11-kilometer-deep (6.8-mile) ocean trench on his own. Although the entire dive took fewer than eight hours, Jim worked a lifetime to achieve it. What was the
What Is In A Dugout? In general, the dugout is occupied by all players not prescribed to be on the field at that particular time, as well as coaches and other personnel authorized by the league. The players’ equipment (gloves, bats, batting helmets, catcher’s equipment, etc.) are usually stored in the dugout. What is a
At What Depth Must Employees Be Protected From Cave-ins In An Excavation? Trenches 5 feet (1.5 meters) deep or greater require a protective system unless the excavation is made entirely in stable rock. If less than 5 feet deep, a competent person may determine that a protective system is not required. At what depth must
Is There Anything At The Bottom Of Challenger Deep? Victor Vescovo journeyed 10,927 meters (35,853 feet) to the bottom of the Challenger Deep , the southern end of the Pacific Ocean’s Mariana Trench, as part of a mission to chart the world’s deepest underwater places. … What is the deepest part of the Challenger Deep?
What Is The Deepest Part Of The Challenger Deep? In marked contrast to the Kairei surveys of 1998 and 1999, the detailed survey in 2002 determined that the deepest point in the Challenger Deep is located in the eastern basin around 11°22.260′N 142°35.589′E, with a depth of 10,920 m (35,827 ft) ±5 m (16 ft),
How Did They Build The Chesapeake Bay Bridge Tunnel? To make the tunnels, the workers first dug a ditch in the sand under the water and lined it with rocks. Then the tunnel, like the road, was delivered in pieces from a site on land. They lowered the tunnel pieces (plugged up, so no water