Controlled deck zone (CDZ)

Controlled Deck Zone (CDZ) is a designated safety area used during metal deck installation in steel construction, mainly recognized under OSHA rules.

What it Means:

A CDZ is an area where workers are allowed to install metal decking without conventional fall protection systems (like guardrails or personal fall arrest systems) under strict conditions.

Purpose:

It helps workers place and secure decking efficiently while reducing fall risks during initial deck placement.

Controlled deck zone (CDZ)