Construction
work is very dangerous, especially if there is some sort of excavation
involved. So the first time the construction crew should do is to locate and
expose any underground assets which include telecommunication cable networks,
electricity cables, water pipelines, oil pipelines and underground tunnels.
However, utility location can get dangerous at times because of the use of
tools and equipment like mechanical drills, sharp pickaxes and huge
earthmovers. Should not they be using non-destructive excavation methods?
The
use of mechanical drills, sharp hand-held tools and huge earthmoving equipment
can many times do more harm and good, more damage than smooth work flow. Workers
tend to use them carelessly and in violation to proper work procedures, one of
which is parking vehicles too close to the edge of a trench or excavation. So
instead of exposing and protecting the buried assets (which they are supposed
to do), they damage them, thus causing work stoppage, injuries and disruption
of vital utility services.
For
civil work contractors who are wary about using the aforementioned tools, they
can utilise a non-destructive excavation method which is air vacuum excavation. How does this method
fare against conventional digging methods?
Air
vacuum excavation is a non-destructive digging, trenching and earth removal
method. Being non-destructive, it is safe and easy to use. One of the benefits
of air vacuum excavation is that the method is applicable in areas not fit for
heavy equipment to access. It only uses a high powered vacuuming equipment to
generate high pressurised air to break the soil or surface and suction or suck
up dirt, loose soil or any debris.
In
terms of safety, the air vacuum/suction excavator works safely around networks
of underground pipes and cables. Pressurised air will not damage such utilities
and you can even adjust the pressure of the air, thus preventing any hazards
associated with damages to underground utilities. The excavation crew can
eliminate or minimise the risk of electrocution, explosion and flooding.
More
on safety, the excavation crew can help ensure the structural integrity of
surrounding structures and the trenches and excavations. With no excavator
tearing cables and pipes, no crane loader swinging and other machinery
vibrating near unsupported excavation, no one is going to get harmed.
With
regards to public safety, air vacuum excavation generates less noise. With
this, excavating near homes and establishments would not become a public
disturbance.
In
terms of convenience, you can operate the suction excavator in limited and
tight spaces where huge equipment cannot easily access and where large scale
damage is not allowed like your backyard and pristine environment. This is
convenient with the fact that you don’t need a dump truck and crane loader to
collect excavated spoils as the long vacuum hose of the equipment can collect
them into the debris storage tank.
The
use of non-destructive excavation in the form of air vacuum excavation can replace the tedious and back-aching
manual digging which often requires manpower and hours for completion and eliminate
the occupational hazards brought by huge machineries. This method can help
ensure productivity is not lost on inaccurate work results and accidents,
maximise work hours and reduce delay.
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