Caged IBC totes

The three parts

The bottle is the HDPE inner tank. Its history decides what the tote can ever hold. The cage is the galvanized steel frame around it, which carries the stacking load. The pallet base lets a forklift or a pallet jack move the whole tote. A sound cage can take a new bottle, which is the idea behind a rebottled tote.

Footprint is 48 by 40 inches. Height is 46 inches for 275 gallons and 53 for 330.

A five-minute inspection

1. Walk the cage. Look for bent bars, broken welds and rust that has gone past surface stain.
2. Look through the bottle. Cracks, a bulge at the base or a crazed surface mean damage.
3. Check the fill cap and its gasket, and the butterfly valve at the base. The valve has to close and seal.
4. Read the UN plate. Note the manufacture date and the last retest date.
5. Smell and look inside. A sharp smell, a film or a stain is last contents showing through.

If the tote fails any step, it is a damaged or dirty grade, whatever it looked like in the photo.

Why the cage is worth keeping

A steel cage often outlasts several bottles. Under 49 CFR 180.352, a tote in hazmat service needs an external visual inspection every 2.5 years and an internal inspection at least every five years. A cage that passes can be reused, and a worn or cracked bottle replaced. That is how a rebottled tote carries a clean history at a lower price than new.

Inspecting a cage before you buy

Walk around the tote once with the sun behind you so the light rakes across the bars. Dents show as shadows, and a bar that has been hit by a forklift tine shows a bright scar where the zinc coating cracked. Run a hand along the horizontal bars near the bottom, where water pools and rust starts, and press on the pallet corners to feel for softness.