loss 02 of 4
Right trade, wrong discipline.
This is the cruel one, because everything about it looks right. You are a builder, it is a building job, the category on your certificate matches the category on the notice — and the submission is still thrown out.
A sub-code mismatch is expensive precisely because it is not obvious. Nothing warns you at the reading stage. The tender looks like yours, so the whole submission gets prepared — the pricing, the method statement, the documents, the security — and the disqualification arrives at examination, when every one of those costs has already been spent.
Checked before you start, it costs you nothing. Discovered at the end, it costs you the entire preparation. That is the difference a machine reading the sub-code line makes, and it is why we test it rather than assuming that a matching category is a match.
The rule behind it
A sub-code names the specific discipline within a PPRA category. Code 01, Building Construction Works and Maintenance, carries sub-codes for building construction, structural steel work and pre-fabricated buildings. They are different registrations, and a notice that names one is asking for that one.
Where a notice names a sub-code, holding only the parent code is not enough. Where a notice names none, the parent code carries the test — so this gate is skipped rather than guessed. We do not invent a sub-code requirement that the notice did not state, because that would silently hide work you are entitled to bid for.
Where the sub-codes live
Rev 06 defines 397 code and sub-code pairs. The distribution is lopsided — Works has 47 pairs, Services 170, Supplies 99 and Consultants 81 — so a services or supplies contractor is far more exposed to this test than a builder, and far less likely to have been warned about it.
All 397 pairs, searchable and free: the PPRA code register.
checked before you start, not after