Andrew Avalon, P.E.

Andrew Avalon, P.E.

Long International, Inc.
8633 Willow Kane Court
Orlando , FL 32835
Office: 407-445-0825
Fax: 407-445-0821


Mr. Avalon is President of Long International and has nearly 30 years of engineering, construction management and claims consulting experience. He is an expert in the preparation and evaluation of construction claims, business interruption claims, schedule delay analysis, entitlement analysis, arbitration/litigation support and dispute resolution. He has prepared more than thirty CPM schedule analyses, written expert witness reports, and supported attorneys in depositions, cross-examinations, mediations and settlement negotiations. In addition, Mr. Avalon has published numerous articles on the subjects of CPM schedule analysis and entitlement issues affecting construction claims. Mr. Avalon is a registered Professional Engineer with U.S. and international experience in petrochemical, oil refining, commercial, educational, medical, correctional facility, transportation, dam, wharf, wastewater treatment, and nuclear power projects.

Long International is a U.S. and international construction claims and project management consulting firm that provides expert analysis and testimony involving delay, acceleration, loss of productivity, unresolved change orders, defective specifications, and related damages, as well as analysis of business interruption and property damage insurance claims following fires and explosions. We also specialize in Project Management and Claims Prevention training services. Our Orlando, Florida office is managed by Andrew Avalon, P.E. Our corporate headquarters office is in Littleton, Colorado.

Founded by Richard J. Long, P.E., a chemical engineer with over 40 years of experience on over 300 projects in the U.S. as well as numerous international projects. We have significant experience in industrial plant construction including power, cogeneration, petroleum refining, petrochemical, oil and gas production, mineral processing, and other process plant and industrial projects. We also have significant experience in projects involving commercial and industrial buildings, transportation and light rail, prisons, airports, wastewater treatment facilities, dams, pipelines, and hospitals.

Our Mission is both to Resolve and Prevent problems that negatively affect the success of engineering and construction projects. Because we have many years of engineering, project/construction management, contract administration, and project controls experience prior to establishing our consulting careers, we have the qualifications, capability, know-how, and credibility to properly analyze problems, establish cause-effect relationships, and develop defensible and persuasive opinions relative to the responsibility for problems and resulting schedule delays, productivity loss, and cost overruns. This expertise also provides our clients with the knowledge to properly manage and control the scope, quality, cost, schedule, estimating, and contract administration aspects of their projects and prevent/mitigate problems that may arise.

Our professionals have extensive U.S. and international experience on large, complex, grass roots, revamp, and reconstruction projects incorporating conventional-phased, fast-track, or design-build concepts. Long International’s consultants include chemical, mechanical, civil, electrical, and mining engineers with advanced degrees, professional engineering licenses, construction management degrees, and MBA degrees. Our key personnel have over 25 years of experience working for private and public owners, large engineering and construction companies, mechanical and electrical contractors, and construction consulting firms. This experience encompasses hundreds of projects worldwide ranging in cost from several million to hundreds of millions of U.S. dollars. We assign senior consultants with extensive engineering and construction experience to perform the analyses and testify in mediation, arbitration, litigation, or other ADR forums if resolution through negotiation is not achieved. Our clients expect expertise, experience and credibility. We are proud of the reputation that we have earned for high-quality work products and cost-effective results.

Areas of Expertise

  • Business Valuation
  • Construction
  • Construction Damages
  • Demonstrative Evidence/Exhibits
  • Forensic Engineering
  • Mechanical Engineering
  • Oil & Gas
  • Pipelines
  • Professional Engineering
  • Railroad
  • Real Estate Valuation
  • Structural Engineering

Expert Background

Q: Please list your professional accreditations, degrees, licenses, and certificates granted:
A: Registered Professional Engineer, Florida (No. 55137)
Registered Professional Engineer, Colorado (No. 25802)
Planning & Scheduling Professional (PSP-00193)
Q: Please list your affiliations or memberships in any professional and/or industry organizations:
A: Florida Engineering Society
National Society of Professional Engineers
Project Management Institute, Scheduling Community of Practice
Association for the Advancement of Cost Engineering International


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