Excavation is the process of changing the surface of the earth by moving dirt, rocks, trees and other items. This is an essential part of any construction project and can be done with a variety of heavy equipment.
Besides being responsible for site preparation, excavation contractors also perform a wide range of soil-related tasks. This includes preparing foundations, digging ditches and trenches for utility lines, sewers and terraced drainage and performing compaction tests.
Before any excavation work can begin, the contractor must prepare a safety plan and obtain necessary permits from the state. This plan details a number of important things, such as the hazards and requirements of the site and a set of procedures that must be followed to prevent accidents.
The safety of the crew is another key consideration. Especially on larger jobs, cave-ins are a potential danger and an excavation contractor must ensure that their team members have proper training in the use of shoring.
It is important that the excavation company is experienced and can communicate with each other on site to minimize the risk of any accidents occurring. This is especially true when a large job is being done, such as when a pool or a basement is being dug.
They should also be familiar with the local regulations that govern the project, such as the Occupational Safety and Health Act of 1970. These laws require excavation companies to be fully licensed and insured, operate within the legal limits of the state, and follow safety procedures while on site.
The quality of the soil is also a key factor in any excavation project. A poor soil can make it difficult to dig a solid foundation or have adequate water drainage. That is why an excavation contractor must be able to measure the density and quality of the soil before starting any work.
If the project requires leveling of the ground, the excavation contractor must prepare a plan that will determine how much material needs to be excavated and how much must be backfilled. This is a complex process that takes time and can be expensive.
Before any grading or excavation work can begin, the contractor must clear the area and remove all obstacles that could interfere with the process. They must also identify entrance and egress paths so that their machinery can be moved in safely.
It is also important to have the site properly surveyed before the excavation begins. This is a critical step because it will help the excavation team to avoid hitting any underground utility lines.
The resulting plan will then need to be drawn up, which will include the exact dimensions and depth of the excavation. This is necessary because if the excavation is too deep, it can cause damage to the property.
A good excavation contractor will also be able to provide you with an accurate estimate of the costs and time needed to complete the project. This is essential because it will allow you to budget for the project and ensure that the work is completed on schedule and with as little disruption to your life as possible.