Rules for Cadastral Survey 2010

  • revoked
  • Rules for Cadastral Survey 2010: revoked, on 30 August 2021, by rule 122 of the Cadastral Survey Rules 2021 (LI 2021/95).
4 Datums

4.1

Horizontal datum - orientation

(a)

Every bearing in a cadastral survey that defines or marks a new primary parcel boundary point must be oriented in terms of an official geodetic projection applicable to the area.6

(b)

The requirement in (a) does not apply if the survey does not make a new field measurement or if the survey is a boundary reinstatement survey.

(c)

Every bearing in a cadastral survey must be expressed in terms of the same horizontal projection.

(d)

The requirement in (c) does not apply to magnetic bearings for boundaries that are accepted in terms of rule 6.3.

4.2

Horizontal datum - connection

If one or more cadastral survey network marks exist within the distance specified in Table 4 of any new boundary point, new boundary mark, or old boundary mark on a primary parcel being created, then at least one of those cadastral survey network marks must be connected by vectors to the survey.7

Table 4: Distance for boundary point connection to cadastral survey network mark
Class of boundary pointDistance (m)
A500
B1000
C2000
Dnot applicable

4.3

Vertical datum

A reduced level in a cadastral survey must be in terms of:

(a)

an official vertical datum when a vertical control mark is within:

(i)

200 m of any class A boundary point that is defined by the use of a reduced level, or

(ii)

500 m of any class B boundary point that is defined by the use of a reduced level; or

(b)

an alternative vertical datum or assumed vertical datum, if (a) does not apply.

Rule 4.1(b): amended, on 1 January 2013, by notice published in the Gazette on 1 November 2012, 2012–go6961.

Rule 4.1(d): amended, on 1 January 2013, by notice published in the Gazette on 1 November 2012, 2012–go6961.

6 See rules 16.4 or 17.1 for orientation requirements for some covenant parcels or where the relationship between a non-primary parcel and its underlying parcel is not accurate.

7 See rules 16.4 or 17.1 for connection requirements for some covenant parcels or where the relationship between a non-primary parcel and its underlying parcel is not accurate.