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Construction Site Excavation Process: What You Need To Know

Feb 4

Before you can start building, there is a lot of work that goes on behind the scenes in the construction industry. Excavation is the very first phase in the construction process and one of the most important stages. Excavation isn't always easy, and it's not usually cheap, but it's an essential aspect of the process. Excavation is necessary for laying the foundation for the structure to be built on. This is why site work is crucial, possibly the most crucial step in the construction process.

What is Excavation?

The act or practice of digging, especially when something specific is being removed from the ground, is known as excavation. It is also sometimes referred to as earthmoving or earthworks. Exploration, environmental rehabilitation, mining, and construction are all important uses for excavation. Excavation is frequently used in the construction industry to lay foundations for buildings, reservoirs, and highways.

How does the Excavation Process Work? 

Understanding the centre line and excavation drawings, laying out the plan on the ground, excavating the dirt, and removing the extra soil are all part of the excavation work operation at a building site. It is necessary to perform quality checks such as recording the ground level and marking reference locations.

Site Clearance

The building crew will need to clean the site before the foundation excavation can begin. They will have to clear vegetation such as trees and underbrush. Depending on the location, they may also need to remove objects such as stumps, deadwood, large rocks, or the ruins of a prior structure. The building crew will need to clear the land before starting the foundation excavation. They will have to remove vegetation such as trees and underbrush. They may also need to clear objects such as stumps, deadwood, huge rocks, or the ruins of a prior construction, depending on the location. Any problems that arise as a result of removing materials that would obstruct the excavation or foundation laying must be filled and compacted properly.

Ground Tracing 

Setting out, also known as ground tracing, is the process of putting out the excavation lines, centre lines, and other markings on the ground before beginning the dig. The procedure of laying down the excavation line and centerline on the ground, based on the foundation plan is known as setting building foundation trenches. Before beginning the excavation process, the setting out phase, also known as ground tracing, is carried out.

Actual Excavation

The site is "laid out" using wooden pegs and threads to designate the area to be excavated before the real excavation operation begins. The general contractor will also determine the depth of the trench. The trench may need to be strengthened as the earth is removed, depending on the depth and hardness of the soil. Planking will be used to hold the sides in place until the foundation can be poured if the earth is particularly loose. Depending on the availability, hand or machine excavation is used.

Clear Excavated Soil

The excavated soil will either be hauled away or stacked around the excavation pit. A minimum of 1m must be maintained between the stocking of surplus soil and the pit so that the soil does not sweep into the pits owing to rain or other causes. Dressing of dug pits must follow the drawings' instructions.

Filling In the Foundation

The foundation will be poured after the excavation is completed. The concrete or the desired mixture is poured into troughs, which help to keep the mixture contained as it forms and moulds into a proper and workable structure. It takes 3 to 10 days for the foundation to cure. In the meanwhile, some masonry work can be done.

Get the Best Earthmoving Contractors in Melbourne

Excavation construction is employed in practically every structure's construction procedure. It's used to lay the foundation for homes, roads, and buildings, as well as to create reservoirs such as lakes and pools.  It is also used in the extraction of precious metals and minerals. Excavation speeds up the construction process and allows us to build our critical structures to their full potential by giving us more control over the job site. Because Earthworks play a crucial role in creating safe and beautiful spaces and buildings, we only want to entrust this to reliable and credible excavation firms in Melbourne. Hammer Excavations is the right Melbourne-based contractor for any earthworks and earthmoving jobs, big or small. Hammer Excavations service locations like Eltham, Greensborough, Hurstbridge, Doreen, Diamond Creek, Mernda, Templestowe, Doncaster, Wollert, and Donnybrook.