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Deep Foundations
Helical Piles and Helical Tiebacks
For Enginners:
Typical Helical Specifications
Drilled Piers
Liquefaction Solved
Horizontal Cracks
Foundation Replacement
Resistive Piers
Underpinning Done Right
Mega Foundations
with Helical Piles
Solar Panel Arrays
with Ground Screws
Pipeline Anchors
Bridge Abutments
Post-tensioned Concrete
More Commercial Projects
Retaining Wall Basics
Retaining Wall Fortification
Solving Limited Access
Using EPS Blocks
Using W-beams
Drainage Systems
Excavation & Drilling
Road Washout Repair
Road Fortification
Hillside Stabilization
Challenging Hillside
Additions & Patios
Landslide Repair
Impact Walls
Avalon Supports
the Famous Rockettes
What makes a good foundation?

A foundation depends on the soil beneath it. A shallow foundation can be sufficient if the soil near the surface is stable.

However, sometimes firm soil is not near the ground surface. When a foundation is supported by unstable soils, differential settlement often occurs.

Therefore, if a house or other structure is built over unstable soils, engineers typically design a deep foundation to ensure adequate support.
Our specialty is deep foundations.

Avalon is conversant with a wide range of deep foundations to provide the most cost-effective solution to the given soils and structural loads.

We install drilled piers, helical piers, resistive piers, and other types of deep foundation elements.

For example, here Avalon is installing very deep, high-capacity helical piles for a commercial structure.

Please see our foundations menu and our glossary for more information.
Case Study #56
Replacement Deep Foundation at 25 Lusk Alley, San Francisco
Case Study #57
Replacement Deep Foundation at 2027 N Pacific Avenue, Santa Cruz
Case Study #58
Replacement Deep Foundation in San Jose, CA
Case Study #59
New Foundation for Wind Tower in Soledad, CA
Avalon Structural, Inc.
181 Ridgeview Drive
Aptos, CA 95003
(831) 479-4389 (office)
Copyright © 2015
Avalon Structural, Inc.
All Rights Reserved
CA License 677116
Classifications:  B, C-8
Avalon is a general building
contracting firm and
does not employ engineers.