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A suction excavator, or vacuum excavator, is a construction vehicle that removes heavy debris or other materials from a hole on land using vacuuming. Suction excavators are meant to be less destructive than regular excavators. The suction excavator uses suction fans for the airflow to suck up the material that is then transported into the holding tank.
Hydro excavation, a type of suction excavator using high-pressure water jets, is sometimes referred to as ''daylighting'', as the underground utilities are exposed to
Depending on the machine used and soil conditions, a 12-inch-square, 5-foot-deep pothole can be completed in 20 minutes or less. Vacuum excavation is sometimes used in conjunction with conventional underground (one-call) locating services. Because of overlapping buried utility lines, locating devices often miss some of the buried utilities on a site and cannot completely or accurately mark a site.
According to
A suction excavator, or vacuum excavator, is a construction vehicle that removes heavy debris or other materials from a hole on land using vacuuming. Suction excavators are meant to be less destructive than regular excavators. The suction excavator uses suction fans for the airflow to suck up the material that is then transported into the holding tank.
Hydro excavation, a type of suction excavator using high-pressure water jets, is sometimes referred to as ''daylighting'', as the underground utilities are exposed to daylight
Daylight is the combination of all direct and indirect sunlight during the daytime. This includes direct sunlight, diffuse sky radiation, and (often) both of these reflected by Earth and terrestrial objects, like landforms and buildings. Sunlig ...
during the process. Some suction excavators also use an air filter.
History
Since 1993, RSP UK Suction Excavators Ltd. has produced suction structures mounted onto two, three, and four-axle vehicles, stationary suction units, and custom-made machines. Pacific Tek, also founded in 1993, has created the Angled Vacuum Excavator Tank (1997) and the 180° Swivel Mount Valve Operator (1999). In 1998, the Mobile Tiefbau Saugsysteme produced another type of suction excavator. The global market size for suction excavators was estimated to be valued at in 2020.Uses
Suction excavators are sometimes used for removing earth around buried utilities and tree roots. It can suck up liquids, e.g., water from a hollow. Typically, vacuum excavation loosens thesoil
Soil, also commonly referred to as earth, is a mixture of organic matter, minerals, gases, water, and organisms that together support the life of plants and soil organisms. Some scientific definitions distinguish dirt from ''soil'' by re ...
with a blunt-nosed high-pressure air lance or water source and vacuums away loosened material.
Depending on the machine used and soil conditions, a 12-inch-square, 5-foot-deep pothole can be completed in 20 minutes or less. Vacuum excavation is sometimes used in conjunction with conventional underground (one-call) locating services. Because of overlapping buried utility lines, locating devices often miss some of the buried utilities on a site and cannot completely or accurately mark a site.
According to New Mexico
New Mexico is a state in the Southwestern United States, Southwestern region of the United States. It is one of the Mountain States of the southern Rocky Mountains, sharing the Four Corners region with Utah, Colorado, and Arizona. It also ...
811's (NM811) ''Aligning Change, Locating with Potholing'', "One-call paint marks and flags are the first steps in making the process of locating underground utilities safer, the use of vacuum excavation technology adds an additional margin of safety
Safety is the state of being protected from harm or other danger. Safety can also refer to the control of recognized hazards in order to achieve an acceptable level of risk.
Meanings
The word 'safety' entered the English language in the 1 ...
."2009 New Mexico 811 Magazine. Published by ACTS Now, Inc.
See also
* Dredging * Gully emptier * Street sweeper * Suction dredger, used for dredging underwater * Suction (medicine)References
External links
{{Authority control Engineering vehicles Excavations