Engineering Design

Special Inspections & Geotechnical Engineering Services

Engineering Design and Geotechnical Inspection Services


  • -Geotechnical Consulting
  • -Special Inspection Services
  • -Industrial/Commercial Welding Design
  • -Geohazard Assessment
  • -Site Characterization
  • -Soil & Foundation Evaluation
  • -Pipeline Inspections
  • -Compliance & Monitoring
  • -Permitting & Planning
  • -Site Design & Site Plans
  • -AutoCAD Design Services
  • -Slope Stability Analysis

Bell Design offers over 30 years of extensive, real-world experience in public, private, industrial, and commercial engineering and special inspection services with demonstrated professional expertise at all levels of regional and federal regulatory compliance. We also offer advanced geotechnical engineering and commercial welding services including design, analysis, regulatory administration, and special inspections.
Special inspections exist for one reason: to protect life safety and long-term performance at the moments in construction where failure is most likely and least visible. Welding and geotechnical work sit squarely in that category. Once the weld is covered, or the soil is buried, the opportunity to verify quality is gone—and the consequences of getting it wrong remain for decades.
Our welding and geotechnical special inspection services are built around early, informed field involvement, not after-the-fact paperwork. We focus on the critical details that determine performance: weld fit-up and sequencing, heat control and workmanship; excavation conditions, soil suitability, moisture control, and compaction practices. These are the decisions that control whether a structure performs as designed or develops avoidable problems over time.

The result is not just compliance, but confidence—confidence for owners, contractors, and building officials that critical construction has been observed, verified, and documented by professionals who know what to look for and when it matters most.





What sets our inspections apart is deep field experience paired with engineering judgment. We understand how work is actually executed in the field, how schedules and weather affect quality, and where problems typically originate. That perspective allows us to identify issues early, communicate clearly with crews, and resolve concerns before they escalate into failed inspections, rework, or structural risk.

Steven Banks, On-site Inspector

Contact Information

Located in the beautiful Columbia River Gorge, we service the metro Portland area, as well as much of Washington and Oregon. Stop by our office, or call our Client Services Manager Allison Cooper today! Our business hours are 8:00AM-5:00PM