What are the four main types of submittals?

Shop drawings (the fabricator's detailed drawings of what will actually be built), product data (manufacturer literature showing a proposed product meets the spec), samples (physical pieces — a paint drawdown, a brick, a carpet square), and mock-ups (a built assembly approved before production starts). Closeout submittals — warranties, O&M manuals, as-builts — are a fifth category delivered at the end.

What is the difference between a submittal and an RFI?

A submittal proposes what you intend to install and asks for approval; an RFI asks what the documents mean. If the spec is clear and you want confirmation your product complies, that is a submittal. If the drawings conflict or something is missing, that is an RFI. Sending one as the other is the most common reason a review comes back with no useful answer.

Who approves submittals?

The architect or engineer of record reviews for conformance with the design intent, usually after the general contractor has reviewed and stamped it first. That two-stage path is why a subcontractor's submittal can sit for weeks without the architect ever having seen it — and why tracking who currently holds it matters more than tracking the total count.

What do submittal review stamps mean?

Approved means proceed. Approved as noted means proceed incorporating the marks — read them, because they sometimes add scope. Revise and resubmit means the cycle starts again and your material lead time has not started. Rejected means the proposal does not comply at all. Only the first two release material for order.

What is a submittal in construction?

A submittal is the contractor’s written proof, before anything is ordered or built, that what they intend to install matches what the specification requires. It travels up — subcontractor to general contractor to architect — comes back stamped, and only then does material get ordered. Nothing about it is optional: an installed product without an approved submittal can be rejected on the spot, at the installer’s cost.

The four types

Shop drawings are the fabricator’s own drawings — steel connections, casework elevations, a sprinkler layout — showing precisely what will be made. Product data is manufacturer literature marked up to show the proposed product meets each specified property. Samples are physical: a paint drawdown, a brick, a section of handrail. Mock-ups are built assemblies — a wall panel, a bathroom — approved before production quantities proceed.

The review cycle, and where it stalls

The path is subcontractor → GC review and stamp → architect review → back down. Each hop is where time disappears, and the contract usually allows the architect ten to fourteen days from receipt — which is not the day you sent it to the GC. A submittal that comes back revise and resubmit restarts the whole cycle, so a product that needed a six-week lead time can quietly become fourteen weeks without anyone deciding it should.

Why the log is the point

Late submittal reviews are one of the most common causes of schedule slip, and one of the hardest to claim, because proving it needs dates: sent, due, returned, and who held it in between. Subcontractors who keep their own log — rather than relying on the GC’s — are the ones who can show a delay was not theirs. Keep a free submittal log with overdue items flagged automatically.

When a submittal turns into money

An approved as noted stamp sometimes adds scope in a margin note. That note is not a change order, and acting on it without one is how contractors donate work. Price it in the change order generator and let it roll into the next pay application. If the documents themselves are unclear, the right instrument is an RFI, not a submittal.