A spatial definition of a land referencing scope, drawn slightly wider than the anticipated limits to be used in the order or bill/act to allow for some limited changes in the engineering design and also, if the statutory process requires it, to identify a wider set of indirectly affected properties and associated interests (land affected by the construction or operation of projects as per s.10 of the Compulsory Purchase Act 1965, Part 1 of the Land Compensation Act 1973 or s.152 of the Planning Act 2008)