What is Vacuum Excavation

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On The Mark Locators
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What is Vacuum Excavation?
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• This method of digging through dirt, clay,
  gravel, etc., uses high pressure to push the
  ground out of the way so that it can be removed
  via suction or ejection. Vacuum excavation, or
  soft dig as its sometimes called, has become
  increasingly popular due to its efficiency and
  minimally invasive nature compared to other more
  traditional means of digging, such as backhoes
  and bulldozers.
• When it comes to excavating, you have two
  options mechanically dig up dirt or use a
  vacuum. Mechanical digging involves heavy
  machinery and lots of physical labor. To make
  things easier for all parties involved,
  developers often opt for vacuum excavation. With
  vacuum excavation, the soil is removed from an
  area by suctioning it into a cylindrical shape
  that has been covered in netting. This dirt-free
  space can be used as an access point to continue
  digging deeper into a site or as extra room to
  build upon once completed. So, if youre looking
  to get your hands dirty without getting too
  dirty, vacuum excavation might be your best bet
  when it comes to development and beyond!
• Here are three other reasons why vacuum
  excavation will take off
• 1) saving money
• 2) reducing damage to existing structures
• 3) being environmentally friendlysaving money
• Using a vacuum instead of mechanical removal
  helps save time and money because there is no
  need for trucks, backhoes, bulldozers, or any
  other form of expensive equipment. Many sites
  dont require additional support since
  groundwater is generally shallow enough that the
  weight from loading loads alone holds everything
  in place until completely emptied. Reducing
  damage to existing structures In areas where
  homes already exist on developed property, older
  structures tend to get damaged during mechanical
  digging processes because they lack proper
  foundation support.

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How Does It Work?

• The system works by sucking up dirt through a
  hose into a vacuum-type truck. The truck then
  contains buckets that can hold several tons of
  land, which are then deposited into dump trucks
  or backhoes to haul off for disposal. This
  differs from conventional excavation methods in
  that it doesnt require any heavy machinery to
  excavate, hence soft dig. Instead, workers use
  shovels and other hand tools to break up rock or
  other rigid materials before sucking them away.
  It can be slower than conventional excavation
  techniqueswith larger areas needing more
  equipmentbut its also much gentler on
  infrastructure and less disruptive for nearby
  homes and businesses. The type of project
  typically dictates whether your contractor will
  use soft dig or not. The technique has many
  benefits but might not be suitable for all
  projects check with your contractor to see if
  they offer these services, so you know what
  youre getting when you hire them.

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Benefits of Soft Digging

• One of my favorite parts about soft digging is
  that it causes minor damage to your site. Since
  you arent pulling up large chunks of earth with
  a machine, theres much less impact on
  surrounding surfaces. This means that when you go
  back to fill in your holes, you dont have to
  worry as much about structural problems or how
  unevenly things settle, and any post-excavation
  repairs will be easier and more cost-effective. I
  also like soft diggers because they offer
  additional functions beyond excavation. Since
  they can vacuum or scrape away layers without
  damaging them (or creating new ones), they can
  effectively prevent water and vermin infestation.
  Soft diggers are therefore an excellent choice
  for sites that require the treatment of bacteria
  or mold. At the end of the job, further
  preservation may include filling holes with clean
  materials such as sand or gravel. You can read
  more about post-excavation repair here.
• By using air pressure inside their hoses, vacuums
  remove contaminated soil from excavated areas
  safely efficiently. This reduces contaminated
  material sent to landfills saves money by
  reducing disposal costs

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Industries Where Soft Digging Is Common

• Soft digging, or vacuum excavation, has several
  advantages over traditional excavating
  techniques. Construction and mining industries
  tend to use soft digging machines because theyre
  helpful in unstable and sandy terrain. As a
  result, these industries can quickly lay
  fiber-optic cables, set power lines, and uncover
  underground pipes without much trouble. Because
  of its popularity in construction and mining
  industries, its not surprising that vacuum
  excavation equipment is commonly found in large
  cities such as Chicago and Los Angeles. Another
  industry that relies on soft digging is
  archaeology Archeologists often use vacuum
  excavation equipment to unearth ancient relics in
  Egypt and China. Soft digging gives
  archaeologists a safe alternative to machinery
  that can damage historical artifacts or harm
  delicate archaeological sites during traditional
  excavations. Finally, sewer systems companies
  also rely on soft digging equipment to clear
  roots from sewer lines and prevent sewage from
  backing up into homes. In New York City alone,
  nearly 2 billion gallons of sewage flood into
  streets each year due to blocked sewer systems or
  clogged storm drains. Fortunately, using vacuum
  excavation equipment helps reduce instances of
  flood damage by exposing difficult areas to
  direct sunlight where microbes consume excess
  water until none remains visible.

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