Excavating is digging and removing land or rock at a site. This is done to get a site level in preparation for building construction.
Yes, in NSW for example any excavating work valued at more than $5,000 requires a licence be held by the Navigators excavating contractor.
One of the key reasons for Navigators earth moving services is during house construction. Often during the construction of a new house it will require some earth works to be undertaken to get a level pad in which to pour the concrete for the houses foundations.
If you need excavation in Navigators then a range of machine will assist in the process - these are excavators, bobcats and trucks.
If you need an excavator in Navigators then it is likely that you will need to employ an earth moving services company in Navigators.
Generally it is better to book in your choice of Navigators earthmoving companies when you have a plan of when they will be needed for your project.
A wide range of sizes of Navigators excavators are available to hire, if you have a small project with a delicate site then a smaller excavator will be required - for bigger jobs you can enlist a larger size excavator - most earthmoving companies will have a decent range of machines available to suit your needs.