MAIN MENU       About Us Inspection Request Contact Information Glossary Careers at Avalon  FOUNDATIONS  Deep Foundations Helical Piles and Helical Tiebacks For Enginners: Typical Helical Specifications Drilled Piers Liquefaction Solved   FOUNDATION REPAIR   Underpinning Horizontal Cracks Foundation Replacement Resistive Piers Underpinning Done Right   COMMERCIAL PROJECTS   Mega Foundations with Helical Piles Solar Panel Arrays with Ground Screws Pipeline Anchors Bridge Abutments Post-tensioned Concrete More Commercial Projects   RETAINING WALLS   Retaining Wall Basics Retaining Wall Fortification Solving Limited Access Using EPS Blocks Using W-beams  EXCAVATION  & GRADING Excavation & Drilling Grading   SPECIAL HILLSIDE   ISSUES Road Washout Repair Road Fortification Hillside Stabilization Challenging Hillside Additions & Patios Landslide Repair Impact Walls   OTHER PROJECTS   Avalon Supports the Famous Rockettes		IMPACT WALLS Avalon built a series of impact walls to protect life and property against a potential log-slide. The wall is supported by 3.5" round shaft helical piers both vertical and diagonal, with W beams and C channel. (Photo taken before installation of 6x lagging between the vertical W beams.) Soils engineer: Becky Dees, Dees & Associates. Project engineer: Bob Patterson, Patterson & Associates. Avalon Structural, Inc. 181 Ridgeview Drive Aptos, CA 95003 (831) 479-4389 (office) info@avalonstructural.com 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.