New South Wales Consolidated Regulations

SURVEYING AND SPATIAL INFORMATION REGULATION 2017 - REG 69

69 Survey plan to show height difference schedule

(1) All height differences shown on the survey plan must be relative to the same datum and that datum must be shown in an approved schedule on the survey plan.

(2) In the conduct of a survey under either clause 13 or 43 (2), or both, the surveyor must show the following, for all permanent survey marks or bench marks referred to in those clauses, in an approved schedule on the survey plan--

(a) the measured height differences between pairs of marks as a closed sequence,

(b) the identity of each mark comprising each pair referred to in subclause (a)--

(i) in the case where the State control survey has assigned a mark type and number to the survey mark, as that mark type and number, or

(ii) in any other case, as an identification unique to that mark,

(c) the survey method used to determine the height differences.

(3) All height differences must be determined by the surveyor to an accuracy equal to or better than Class "B" or Class "LD".