Acceptable symbols (SSIR 2024)

For all survey's completed in accordance with the Surveying and Spatial Information Regulation 2017, please refer to this page.

Certain common symbols and conventions shown on the face of the plan in respect of the survey definition are set out below.

Plans lodged for registration in NSW LRS should comply with  sections 47 and 48 Surveying and Spatial Information Regulation 2024. See also Schedule 5 Surveying and Spatial Information Regulation 2024  'Conventional symbols and signs'.

 
Boundary mark Boundary Mark

May be a peg, drill hole, nail, lockspit etc. Should only be shown on the plan where a boundary mark has been found or placed at that location (eg not at each bend in a traverse etc). See  section 48 Surveying and Spatial Information Regulation 2024.

Reference mark Reference Mark

May be a drill hole (with wings), concrete block, galvanised iron pipe, marked tree etc. See  section 47Surveying and Spatial Information Regulation 2024.

Permanent Mark Permanent Survey Mark

Must be of a type specified in Schedule 4 Surveying and Spatial Information Regulation 2024. A sketch plan showing the position and MGA co-ordinates of a new permanent survey mark must be forwarded to the Surveyor General within two months of placement or on the day the plan is lodged with NSW LRS.

Trig station Trigonometrical Station

This symbol may also be used for bench  marks which are not permanent survey marks. The origin of the bench marks must be stated on the plan.

Vinculum Vinculum

Links two (or more) separate parts of a parcel. Each part must be fully dimensioned and have a separate area (along with a total area for the lot). Vinculums are not used across reserved roads within a parcel, they are defined by broken lines.

 
Publication Date: March 2025