What needs to be done before you start to excavate?
The first and primary step involved in the excavation is to find out the extent of soil and Clearing of construction site is of unwanted bushes, weeds and plants. Setting out or ground tracing is the process of laying down the excavation lines and centre lines etc. on the ground before the excavation is started.
What service should be called before any excavation starts?
811 is the number you should call before you begin any digging project. A new, federally-mandated national “Call Before You Dig” number, 811 was created to protect you from unintentionally hitting underground utility lines while working on digging projects. … Smart digging means calling 811 before each job.
Which is the primary decision before beginning an excavation?
Decide if it is necessary to remove a structure in close proximity to excavation. Decide if the structure needs temporary support before digging starts.
What kind of questions that must be answered before excavation starts?
Explanation: One question that must be answered is how much of the site will be excavated. Another question is what kinds of material will be collected – soil, charcoal, animals bones, or fibers.
At what depth do you need shoring?
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 happens if I dont call 811?
It’s required by law to call 811, so failure to notify can also result in fines, something that’s sure to grab homeowners’ attention. Of course, the worst-case scenario is that damage resulting from a no call excavation leads to serious injury or death.
What is a dig ticket?
What is a dig ticket? During your call, the UPC of Georgia will give you a ticket number. This ticket is the official notification of you request and is called the “dig ticket” or “locate request”. The “dig ticket” is immediately sent to all utility owners in your area.
What are some dangers of excavation?
Top 5 excavation safety hazards
- Cave-ins. Trench collapses kill an average of two workers every month, making this a serious threat to worker safety. …
- Falls and falling loads. Workers and work equipment can fall into an excavated area. …
- Hazardous atmospheres. …
- Mobile equipment. …
- Hitting utility lines.
How do you protect deep excavation?
Falling or dislodging material. Loose materials – may fall from spoil heaps into the excavation. Edge protection should include toeboards or other means, such as projecting trench sheets or box sides to protect against falling materials. Head protection should be worn.
What is the greatest risk present at an excavation site?
The greatest risk in an excavation is a cave-in. Employees can be protected through sloping, shielding, and shoring the excavation. A competent person is responsible to inspect the excavation. Other excavation hazards include water accumulation, oxygen deficiency, toxic fumes, falls, and mobile equipment.
What is a deep excavation?
Deep excavations, on the other hand, are defined as being any excavation which is more than 4.5 metres in depth – a considerable height indeed. Deep excavations are trickier to plan and implement than shallow excavations, for a variety of reasons, which is why they tend to only be carried out by trained professionals.