18.1  Definition of Modification

"Modifications" will be defined on a project specific basis but will generally mean any change to the works, the facility or the project activities including any increase, decrease, omission, deletion, demolition or removal to or from them, but will not include:

(a)  the development and refinement of the design documentation in accordance with the project agreement; or

(b)  any other changes to the works, facility or the project activities required to ensure the facility is fit for its intended purposes,