Placement Decision Guide

Where TGSIs are required, conditional or not required. Filter by location type or search free-text.

Tool 04

Placement Decision Guide

Quick reference table for where tactile ground surface indicators are required, conditional or not required under NCC 2022 and AS 1428.4.1. Filter by location type.

NCC 2022 · AS 1428.4.1:2009 · DDA 1992

Location	TGSI Required?	Reference
Platform edge (rail/bus)	REQUIRED	AS 1428.4.1
Top of stair / ramp	REQUIRED	AS 1428.4.1
Bottom of stair / ramp	REQUIRED	AS 1428.4.1
Pedestrian crossing (DDA)	REQUIRED	AS 1428.4.1
Accessible path hazard	REQUIRED	NCC 2022
Ramp - mid-run directional	CONDITIONAL	AS 1428.4.1
Lift lobby / door approach	CONDITIONAL	NCC 2022
Private dwelling (Class 1a)	NOT REQUIRED	NCC 2022
Internal corridor (no hazard)	NOT REQUIRED	AS 1428.4.1
Carpark - general travel lane	NOT REQUIRED	NCC 2022

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Placement Decision Guide

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