It follows a major rock fall at the quarry in April 2012 that saw half a million tonnes of rock cover the quarry floorand hamper operations at the site.
Construction work involves installing a false floor to cover the anti-bugging devices and even it out, as well as installing the stove where the ballots will be burned.
The exterior also utilizes a flat underbody (including a large front flat floorcover, electric motor area undercover, front undercover and rear diffuser with fins) to help manage airflow under the vehicle.