Understand the meanings and types of safety signs, including traffic, hazard, radiation, laboratory, and scaffolding signs.
5 posts
A traffic sign does most of its work before anyone reads a word on it. Shape and colour carry the meaning first, and the legend only arrives later — the MUTCD's own design rule is about one inch of…
The radiation symbol does not mean "radioactive." It means ionising radiation may be present — which is a wider category, and the difference matters on a live site. An X-ray inspection cabinet on a…
On a Dragados USA assignment in Mexico, I walked a scaffold that had a complete, correctly-worded "Scaffold Incomplete — Do Not Use" tag hanging at the access point. The paperwork was right. What was…
A sign warns you about a place . A label warns you about a container . Almost every laboratory signage problem I am asked to fix starts with those two things being treated as one, and the rules…
A hazard sign is a signboard that warns you a risk is present at that spot — a yellow triangle with a black pictogram and a black border, under BS EN ISO 7010 and the UK's Safety Signs and Signals…
