# Pier Inspection — What must pass before the next step: mandated step order in regulated processes

For Pier Inspection, process is Residential building inspection sequence; jurisdiction is Creve Coeur, Missouri; order is 3; what must already be done is Reinforcing steel must be placed to allow for proper inspections; what may not proceed until it passes is No concrete may be placed without this inspection being approved, recorded from its source on 2026-08-11.

- **Step:** Pier Inspection _(verified: appears in the quote below)_
- **Process:** Residential building inspection sequence _(our reading, not quoted from the source)_
- **Jurisdiction:** Creve Coeur, Missouri _(our reading, not quoted from the source)_
- **Order:** 3 _(verified: appears in the quote below)_
- **What must already be done:** Reinforcing steel must be placed to allow for proper inspections _(verified: appears in the quote below)_
- **What may not proceed until it passes:** No concrete may be placed without this inspection being approved _(verified: appears in the quote below)_

## What the source says

> 3. Pier Inspection A pier inspection is required where special foundations, such as drilled and poured-in-place concrete piers, caissons, driven piles and other extraordinary types are used. Additional pier inspections may be required if the building official determines the size of the project warrants it. The building official may require a Special Inspector to make these inspections. Reinforcing steel must be placed to allow for proper inspections. A city-approved barrier must be in place around the excavation until backfilling has occurred. No concrete may be placed without this inspection being approved.

## Sources disagree

More than one authority states this, and they do not state the same
thing. Both are reproduced with the source each came from.

### Process

crevecoeurmo.gov says process is **Residential building inspection sequence**, as of 2026-08-11.

> 3. Pier Inspection A pier inspection is required where special foundations, such as drilled and poured-in-place concrete piers, caissons, driven piles and other extraordinary types are used. Additional pier inspections may be required if the building official determines the size of the project warrants it. The building official may require a Special Inspector to make these inspections. Reinforcing steel must be placed to allow for proper inspections. A city-approved barrier must be in place around the excavation until backfilling has occurred. No concrete may be placed without this inspection being approved.

Source: https://www.crevecoeurmo.gov/86/Sequence-of-Inspections

crevecoeurmo.gov says process is **Wood deck inspection sequence**, as of 2026-08-11.

> Pier Inspection: An inspection of the location, dimensions and depth of the piers must be completed and approved to prior to pouring any concrete. Inspector will also verify suitable soil conditions.

Source: https://www.crevecoeurmo.gov/87/Sequence-of-Inspections-for-Wood-Decks


### What may not proceed until it passes

crevecoeurmo.gov says what may not proceed until it passes is **No concrete may be placed without this inspection being approved**, as of 2026-08-11.

> 3. Pier Inspection A pier inspection is required where special foundations, such as drilled and poured-in-place concrete piers, caissons, driven piles and other extraordinary types are used. Additional pier inspections may be required if the building official determines the size of the project warrants it. The building official may require a Special Inspector to make these inspections. Reinforcing steel must be placed to allow for proper inspections. A city-approved barrier must be in place around the excavation until backfilling has occurred. No concrete may be placed without this inspection being approved.

Source: https://www.crevecoeurmo.gov/86/Sequence-of-Inspections

crevecoeurmo.gov says what may not proceed until it passes is **must be completed and approved to prior to pouring any concrete**, as of 2026-08-11.

> Pier Inspection: An inspection of the location, dimensions and depth of the piers must be completed and approved to prior to pouring any concrete. Inspector will also verify suitable soil conditions.

Source: https://www.crevecoeurmo.gov/87/Sequence-of-Inspections-for-Wood-Decks


## Source

- https://www.crevecoeurmo.gov/86/Sequence-of-Inspections
- https://www.crevecoeurmo.gov/87/Sequence-of-Inspections-for-Wood-Decks

Last verified: 2026-08-11. Review by: 2027-08-11.
Part of [What must pass before the next step: mandated step order in regulated processes](https://referencesource.org/prerequisite-sequencing-regulated-processes/).