Pier Foundations in Aurora: a complete guide
This page covers how Pier Foundations work in Aurora, when the engineering points to piers, and how we plan for conditions such as expansive soils that demand engineered overdig and void-form details.
Why Aurora projects use Pier Foundations
Piers reach competent bearing when the surface soil cannot carry the load. In Aurora, where expansive soils that demand engineered overdig and void-form details is part of the picture, the engineer may specify drilled piers for an addition, a deck, an ADU, or a structure on a difficult lot.
We treat Pier Foundations as a precision pour: depth, diameter, rebar, and concrete placement all follow the engineering, and each pier is documented so the structural sign-off is clean.
Layout, drilling, and bearing verification
Piers are laid out from the structural drawings and surveyed in. Drilling is sized to the diameter and depth on the plan, with bearing verified against the soils report.
Where expansive soils that demand engineered overdig and void-form details affects drilling — caving soils, groundwater, or hard layers — we adjust technique and document any change in condition for the engineer.
Rebar cages, dowels, and embeds
Rebar cages are built to the structural spec — vertical bars, ties, and any dowels for the grade beam or column above. Cages are set with chairs to maintain cover.
Anchor bolts, column bases, or beam connections are set to template before the pour rather than wet-set after.
Pour, consolidation, and depth documentation
Piers are poured in a single placement where the engineering allows. Concrete is consolidated to fill around rebar and embeds.
Depth, diameter, and rebar placement are documented for every pier so the engineer-of-record file is complete.
Grade beams and load path
Where the engineering connects piers with a grade beam, we form, place rebar, and pour the beam to spec so the load path from structure to pier is continuous.
Beam top elevations are documented for the framing trade so the structure above lands true.
How to get started with Denver Foundations in Aurora
Send the structural drawings, the soils report, and the lot plan. We walk the site in Aurora, confirm drilling access and clearances, and return a written pier scope and schedule.
If expansive soils that demand engineered overdig and void-form details suggests the pier design should be revisited, we flag it before the bid so the engineer can adjust before mobilization.
Frequently asked questions — Pier Foundations in Aurora
- When are piers preferred over a spread footing? When the engineering calls for them — typically because surface soils cannot carry the load or access drives a smaller-footprint solution.
- Do you do the geotechnical work? No — the geotechnical engineer issues the soils report. We pour to the engineering that follows from it.
- Can you reach tight backyard sites? We size the rig to the access. If a full pier rig cannot reach, we discuss the alternatives with the engineer before bid.
- Do you pour grade beams on top of the piers? Yes, when the engineering specifies a beam connecting the piers. We form, place rebar, and pour the beam to spec.
- How long does pier work take? Pier count and depth drive the schedule. We share a realistic mobilization and pour window once the structural set is confirmed.