Yard notes
Reading a pallet like a mechanic reads an engine
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New people on the sort line always want a checklist. Checklists are fine for a receiving dock. On a sort line moving 800 units an hour, what you actually need is to be able to read the thing.
Every mark on a used pallet was put there by something specific. Learn about a dozen of them and you stop inspecting pallets one criterion at a time — you look at a unit and the answer arrives.
The lead boards tell you about the forklift drivers
The outermost deck board at each end takes every mis-set fork in the pallet's life. A lead board with crushed, splintered ends and intact centre has lived with drivers who approach fast and low. One with a clean centre split usually took a single bad hit rather than a career of small ones.
It matters because the first kind of damage predicts more damage. A pallet from a dock with bad fork discipline will be back on our line within two cycles, and we price accordingly when we buy a whole site's worth.
Notch wear tells you which way it lived
On a partial four-way stringer pallet, look at the four notches. If two are polished smooth and two are almost untouched, the pallet spent its life being entered from one pair of faces — typically because a pallet jack could only use the unnotched openings. That is a healthy pattern.
If all four notches are chewed, somebody has been driving forks in from the notched sides regularly, and there will be hidden damage above the notch. Look for the hairline running up and along the grain. That is a stringer that is going to fail.
Staining tells you what it carried
| What you see | Usual cause | Action |
|---|---|---|
| Even grey across both decks | Ordinary UV weathering | Cosmetic — no downgrade |
| Dark rings around nail heads | Water plus iron tannate reaction | Check moisture; usually fine |
| Blue-black patches in the grain | Sapstain fungus, historic | Structurally fine, appearance grade only |
| Fuzzy white or green bloom | Live mould | Reject and isolate |
| Sharp-edged dark patch, one deck only | Liquid spill | Reject unless the customer can identify it |
| Oily sheen, rainbow in light | Petroleum contact | Reject |
| Pink or purple even wash | Dye or produce juice | Usually acceptable, note it |
| Charring at one corner | Fire or hot-work contact | Reject |
Checks versus cracks
This is the distinction that takes longest to teach. A check is a surface separation along the grain caused by drying — it runs shallow, it often stops, and it does not usually reduce load capacity meaningfully. A crack runs through the member, usually starting at a fastener or a notch, and it propagates under every subsequent load.
- A check is shallow and follows the grain openly. Slide a fingernail in — if it stops in a couple of millimetres it is a check.
- A crack goes dark inside and usually shows movement when you flex the member.
- A crack that starts at a nail line is the most dangerous kind, because the nails hold the pallet together while the wood has already let go.
- Any crack running through a stringer is a rejection. There is no grade below Grade B for a structural failure, only 'core'.
Shiners and what they tell you about the builder
A shiner is a nail that has backed out. One or two on an old pallet is normal. A pallet with six shiners was built with smooth-shank nails, and it will keep producing them — we mark those out of repair stock because the labour never ends.
Ring-shank and screw-shank fasteners essentially do not do this. If you ever get to specify how your pallets are built, this is the cheapest durability upgrade available.
The four-second grade
- 1
Look down the stringers
One pass, both sides. Cracks and companion stringers show instantly from this angle.
- 2
Look across the top deck
Missing boards, replaced boards and staining, all in one view.
- 3
Hand across the deck
Gloved. Finds shiners faster than eyes do.
- 4
Set it down
A pallet that rocks tells you something no visual inspection will.
That is the whole routine. Marisol does it in under four seconds, a new sorter in about twelve, and the gap between those two numbers is roughly eleven thousand dollars a year in grading accuracy on our volume.