General construction: permits, planning, hiring
The usual inspection sequence on a building project
Inspections happen at stages where work will be covered up. Missing one can mean opening up finished work.
Inspections happen at stages where work will be covered up. Missing one can mean opening up finished work.
Why inspections come in stages
Inspectors check what cannot be seen later. If a stage is covered before it is inspected, the AHJ may require it to be uncovered. Schedule each inspection with notice and make sure the work is complete and accessible.
A typical order
- Site and erosion control where required.
- Foundation: excavation, footings, rebar before concrete.
- Slab or underfloor: plumbing and services before cover.
- Framing: structure, connections, bracing, fire blocking.
- Rough-in: electrical, plumbing and mechanical, before insulation and drywall.
- Insulation and air sealing.
- Final: life-safety items, finishes, systems operating.
Names and order vary by place. Your permit lists the ones you must call for.
Being ready
- Approved plans on site.
- Access to every area.
- Engineer letters or special inspection reports available.
- A correction list from any failed item, with proof of fix.
Special and third-party inspections
Some work, such as structural steel, concrete and soils, needs inspection by an independent party. Plan for it in the schedule and who pays; see factory inspection for offsite work.
If you fail
A failed inspection is a correction list, not a verdict. Fix it, document it and request reinspection.
Quick answers
- Who calls for the inspection? Usually the contractor or permit holder.
- Does factory-built work skip site inspection? No. Site connections and foundations are still inspected, and factory work may have its own approval route. Ask the AHJ.
- What if work was covered? The AHJ may require it to be exposed.
Rules differ by country, state and city. Confirm requirements with your local authority having jurisdiction and with the licensed professionals on your project; nothing here is legal, engineering or financial advice.
Questions people ask
Who calls for the inspection?
Usually the contractor or permit holder.
Does factory-built work skip site inspection?
No. Site connections and foundations are still inspected, and factory work may have its own approval route. Ask the AHJ.
What if work was covered?
The AHJ may require it to be exposed.
Sources and further reading
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