Over excavation refers to the process of excavating or digging a site beyond the specified or required depth or dimensions outlined in the construction plans or engineering design. This situation can occur intentionally or unintentionally and has implications for the construction project. Here are some key points:
**Intentional Over Excavation:**
**Unintentional Over Excavation:**
**Reasons for Over Excavation:**
Addressing poor soil conditions: If the soil at the construction site is unsuitable or lacks the required bearing capacity, over excavation may be necessary to reach more stable soil layers.
Creating a level base: Achieving a level and uniform foundation is crucial for the stability and structural integrity of buildings. Over excavation may be necessary to establish the desired foundation depth and slope.
**Implications:**
**Costs:** Over excavation can result in additional costs for labor, equipment, and disposal of excess soil.
**Time Delays:** The need to rectify unintentional over excavation can lead to delays in the construction schedule.
**Environmental Impact:** Disposing of excess excavated material may have environmental considerations, and proper disposal methods need to be followed.
**Prevention and Mitigation:**
**Accurate Surveys and Plans:** Careful surveying and accurate construction plans can help prevent unintentional over excavation.
**Clear Communication:** Effective communication among project stakeholders, including engineers, surveyors, and contractors, is essential to avoid misunderstandings.
**Adherence to Specifications:** Ensuring that excavation activities adhere to project specifications and engineering design can help mitigate the risk of over excavation.
In construction projects, it is crucial to strike a balance between achieving the necessary excavation for a stable foundation and avoiding unnecessary or unplanned over excavation to control costs and adhere to project timelines.
The short answer...
excavation gets you to grade, over-excavation gets you below grade and is based on engineering requirements.
The longer answer...
In grading work there may be times when plans specify to cut or excavate to a particular elevation. There are other times when an over-excavation will be specified to remove unsuitable soils to a certain depth. So lets say that you are at a site where the native elevation is at 460' and plans call for finished grade at an elevation of 450' with an over-excavation of 5.' What this means is that you would excavate down 10' (from 460' to 450') and then over-excavate down an additional 5' (from 450' to 445')
At that point the bottom of the over-excavated location will usually have x number of inches to be scarified, moisture conditioned and compacted to a certain percentage of the maximum dry density obtained in laboratory testing. The removed soil (aka: over-ex or OX) will then be replaced with suitable material in lifts of a specified thickness with an optimum moisture content and compacted to a particular percentage of the maximum dry density.
Digging, especially when a specific object is being removed from the earth, is referred to as excavation. Excavation is how archaeologists locate artefacts and fossils. Although there are many different kinds of excavation, they all involve making holes in the ground. Excavation is necessary for mining for coal, gold, or diamonds, and it is frequently necessary to perform some excavation prior to pouring a foundation for buildings and dwellings.
Heavy equipment performs the majority of the excavation job. Although various tools may be utilised, a backhoe, loader, dozer, or excavator are commonly employed in digging. A front shovel-bucket and a rear-mounted digging bucket on a two-part hinged arm are both features of a backhoe. On small to medium-sized jobs, it is sometimes the only piece of machinery employed. The tracks of a dozer have a front blade and, occasionally, a ripper on the rear. An excavator is a vehicle with a bucket, boom, and cab positioned on a rotating platform that either rolls on wheels or sits on tracks like a tank. Diggers and sometimes trackhoes are other names for excavators.
The Sunshine Coast's best excavating and earthmoving company is LivingScape. Our reputation is built on providing unbeatable value for the money while providing high-quality excavation service in Sunshine Coast and workmanship. We pride ourselves on delivering outstanding quality work on time and on budget.
what is excavation
Excavation means removing materials like soil and rock, to make a hole in the ground.
"Earthworks on leads" is a definition given to the process of the excavation and stockpiling process i.e. "Earthworks on leads" shall comprise of the excavation of material on the site to achieve design lines and levels detailed on the drawings and to cart, place and stockpile the excavated material in other locations on the site as designated by the Superintendent.
Setting out refers to examining the building plan. The outline of the excavation needs to be clearly understood, as does the center line of the walls.
In construction the term "unclassified" means the site contractor/GC is responsible for the onsite material. An unclassified site contract puts a great deal of risk on the contractor but is much more costly for the owner of the land.
when we undergo underground excavation ,some times it happens that cover above tunnel excavated part is not sufficient so it shows exposed surface and daylight comes inside ,such condition is called daylight condition.
manual excavation
excavation is a hole left in the ground as the result of removing material. A trench is an excavation in which the depth exceeds the width.
Excavation season refers to the period in the year when archaeologists undertake fieldwork (normally excavation) and is most often in the summer months. There is no seasonal division in commercial archaeology, where excavation takes place year round.
The answer depends on where in the world the excavation is to take place.
An Eskimo snow house., A cavity, or excavation, made in the snow by a seal, over its breathing hole in the ice.
Yes, words ending in "ion" are almost always nouns. The noun excavation is a singular, common noun, a word for the act of excavating or the site of excavation, a thing.
Excavation is the practise of moving soil, rock, or other materials using explosives, machinery, or tools. It entails underground labour, trenching, wall shafts, and earthmoving. Exploration, environmental restoration, mining, and construction are just a few of the significant uses for excavation. One of these uses for excavation is in the building industry. 1 Types of Excavation 2 Topsoil excavation 3 Earth excavation 4 Rock excavation 5 Muck excavation 6 Unclassified excavation 7 Excavation purpose LivingScape is the leading excavator and earthmoving contractor on sunshine coast excavation. Our reputation is centred on matching our high quality service and workmanship with unbeatable value for money. We design and build everything from basic to high end custom work catering for all aspects of landscape construction including paving, retaining walls, earthworks, concrete, drive ways and many more.
Archeological survey is the precursor to excavation. During the survey process an archaeologist lays out their plan of excavation as well as does ground surveying to map out the site.
An excavation site is a place where archaeologists dig up artifacts
IS 3764-Safety code for excavation work
verderbenthe food was spoilt - die Nahrungsmittel waren verdorbenspoilsport - SpielverderberAusbeute - spoils (of war)Kriegsbeute - spoils (of war)Aushub (excavation)Abraum (excavation)Baggergut (excavation)
Yes it was found in mohenjo-daro during excavation.