Narrow trenching is a method of excavating trenches usually no wider than 100mm. While it is not a trenchless construction method, it does minimize disruption of streets and neighborhoods in comparison to traditional trenching techniques.
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What is a narrow trench called?
canyon. A long, deep, narrow valley with steep cliff walls, cut into the Earth by running water and often having a stream at the bottom. 1.
What is narrow excavation?
A 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 trench (measured at the bottom) is not greater than 15 feet (4.6 m).
What is a trench in soil?
A trench is a type of excavation or in the ground that is generally deeper than it is wide (as opposed to a wider gully, or ditch), and narrow compared with its length (as opposed to a simple hole or pit).
How do you dig deep narrow trenches?
A mattock is designed for digging narrow trenches—just right for running cable or pipe. Swing it like an ax to cut into hard soil, and then lift out the dirt with the wide blade. The chopping blade slices through roots. Wrap tape around the shaft to gauge the depth of your trench.
What is the synonym for trench?
noun. ( ˈtrɛntʃ) A ditch dug as a fortification having a parapet of the excavated earth. Antonyms. deglycerolize disarrange divest disorganize disorganise call option undeceive. intrenchment fosse communication trench slit trench moat.
What’s the definition of the word trench?
Definition of trench
(Entry 1 of 2) 1a : a long cut in the ground : ditch especially : one used for military defense often with the excavated dirt thrown up in front.
How deep can a trench be without shoring?
5 feet
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.
What are the OSHA requirements for trenches?
Means of egress from trench excavations. A stairway, ladder, ramp or other safe means of egress shall be located in trench excavations that are 4 feet (1.22 m) or more in depth so as to require no more than 25 feet (7.62 m) of lateral travel for employees. Exposure to vehicular traffic.
When a trench is 4 feet or more in depth?
Access to and exit from the trench require the following conditions: ∎ Trenches 4 ft or more in depth should be provided with a fixed means of egress. travel more than 25 ft laterally to the nearest means of egress. ∎ Ladders must be secured and extend a minimum of 36 in (0.9 m) above the landing.
How is a trench formed?
In particular, ocean trenches are a feature of convergent plate boundaries, where two or more tectonic plates meet. At many convergent plate boundaries, dense lithosphere melts or slides beneath less-dense lithosphere in a process called subduction, creating a trench.
Can I use a chainsaw to dig a trench?
Chainsaws can be modified to handle tasks like trenching, but the modifications will decrease the lifespan and performance of your saw. Many people use their chainsaws for digging trenches because it is an easy way to cut through dirt or other types of material without having to utilize any additional tools.
How wide of a trench does a trencher make?
Smaller models can often dig trenches between 1 and 4 feet deep and between 4 and 16 inches wide. Larger trenchers can dig ditches up to 18 feet deep and 4 feet wide. One of your first considerations will be the size of trench you need to dig: Smaller trenchers will dig trenches 1-4 feet deep and 4-16 inches wide.
How fast can a mini excavator dig a trench?
A project that would take one person a full day to dig, a mini excavator could do in an hour or less. For instance, instead of several workers using a jack hammer to break up an old sidewalk or driveway, a mini excavator can come in with a breaker attachment and complete the job in a fraction of the time.
What’s the opposite of trenches?
What is the opposite of trench?
| closure | denial |
|---|---|
| refusal | veto |
How do you use trench in a sentence?
His gaze dropped to the trench he had dug around the bush. A trench was dug three and a half feet wide, four feet eight inches deep, and eight feet long. There was blood on his trench coat. He flung away the weapons and the trench coat.
What’s another word for trench coat?
Trenchcoat synonyms
In this page you can discover 8 synonyms, antonyms, idiomatic expressions, and related words for trenchcoat, like: trench-coat, trilby, leopard-skin, frock-coat, dark-glasses, top-hat, baseball-cap and overcoat.
How many feet is a trench?
The Mariana Trench is 6033.5 fathoms deep. Knowing that it is (11,033 meters (36,201 feet) deep, how do do we perform the conversion to fathoms?
What is a trench and where are they located?
deep-sea trench, also called oceanic trench, any long, narrow, steep-sided depression in the ocean bottom in which occur the maximum oceanic depths, approximately 7,300 to more than 11,000 metres (24,000 to 36,000 feet). They typically form in locations where one tectonic plate subducts under another.
What is a trench in construction?
TRENCH: An excavation in which material removal forms a narrow opening in the ground. Unlike large excavations, a trench is generally deeper than it is wide. OSHA considers an excavation to be a trench if it is 15 feet wide or less at the bottom of the excavation.
How much trench Can you dig in a day?
Trencher Production
“Our customers look to dig 1 to 2 miles of trench per day,” says Kevin Shimp, president of Port Industries, a trencher manufacturer in Palmyra, MO. “That’s one trench with one operator, opening up 10,000 feet of trench per day, whereas one excavator can open up 1,000 to 1,500 feet per day.