Note: this guideline is issued by the Surveyor-General under section 7(1)(ga) of the Cadastral Survey Act 2002 about the Rules for Cadastral Survey 2010 and is not legally binding.

The following information relates to CSDs with a computed boundary point.

Historic application of computed plan does not apply

Historically, a computed plan was defined as a plan prepared either under the proviso in s 167(1) of the Land Transfer Act 1952 or any similar dispensation granted by the Surveyor-General.  It was a CSD prepared where a new boundary point was computed without any field survey.

The dataset type was used for all classes of survey where one or more of the boundaries and boundary points of a new parcel were calculated without any boundary marking on the ground.

The current Rules do not use the term computed plan.

Current application where a boundary point is computed

Rule 7.1 specifies the conditions where a primary parcel boundary point must be marked.  Where a new primary parcel boundary point is not required to be marked, it must still be defined by survey [r 6.2(a)(iv)] and witnessed [r 7.3.1(a)].

Where a CSD only contains non-primary parcels, no new parcel boundary points are required to be marked, witnessed, or to have PRMs [r 7.3.1, r 7.4.1(a)].

Note, there is an exception with some types of non-primary lease boundary points where boundary points must be witnessed [r 7.3.1(b)] and new stratum boundary points where there must be heighted PRMs and witness marks [r 7.3.1(d) and r 7.4.3(d)].

The Rules do not require the notation Computed CSD on the diagrams or included in the CSD. 

Last Updated: 6 March 2018
Authority: Surveyor-General - Section 7(1)(ga) of the Cadastral Survey Act 2002
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