These Manhole Warning Barriers prevent immediate entry to a confined space by blocking access through a manhole. The barrier fits right inside the manhole so it is visible only when the cover lid is removed. It is made of lightweight molded plastic that withstands harsh environments. Two large slots in the inner ring prevent the accumulation of water and debris and also to facilitate air circulation to avoid trapping hazardous gases inside. The outer ring is cut to fit the exact inside diameter of the manhole. Two "NO STEP" vinyl labels for the lip should prevent the application of any weight to the barrier.
The 11.5" durable, vinyl octagon-shaped label has the OSHA "DANGER" signal header to indicate a hazardous situation that, if not avoided, will result in death or serious injury.
This label reads: "CONFINED SPACE. PERMIT REQUIRED. DO NOT ENTER."
Refer to the image to specify Style A or B. Please call with all of the required measurements to order Style C.
Available in two sizes: 24-26" and 26.5-30" diameter.