Principal Consultant John Orrison is a supervising construction manager and senior contracts administration specialist with more than 45 years’ experience in construction management, project control and contract strategies. In addition, Mr. Orrison has performed as an expert witness and claims analyst for major design and construction issues.
Mr. Orrison’s background includes extensive experience in managing multi-disciplined, complex projects. Formerly the Managing Consultant and Senior Vice President of Draper’s Construction Services Division, Mr. Orrison also served as the design manager, construction manager and claims negotiator for the $2 Billion Metropolitan Atlanta Rapid Transit Authority (MARTA) construction program. In addition, he also served as the Area Construction Manager for the Pittsburgh Light Rail Rapid Transit System, was Manager of Design and Construction for a South Carolina development company, served as Principle-in-Charge and Board Chairman for the pre-Olympic $100 Million renovation of the Hartsfield Atlanta International Airport terminal and concourses, and was Project Manager for a five tunnel renovation project in Tennessee, an eight mile interstate widening in North Carolina, and a multi-use transit facility in Greenville, South Carolina.
In addition to his extensive technical management background, Mr. Orrison has been called upon to act as a senior advisor for design and construction strategies on major domestic and international projects. His international engagements include developing the contracting and construction oversight strategies for the Saó Paulo, Brazil Metro’s $2 Billion (U.S.) Line 5 privatization design/build project, advisor to the Aruba Aviation Authority and master scheduler for the Kaohsiung (ROC) Metro Transit System.
Mr. Orrison also specializes in assisting clients involved in complex construction related disputes through the claims and litigation process. In addition to preparing client’s positions for litigation, arbitration, or mediation, he has also provided expert witness testimony and reports for cases in State, Federal and International venues. He has been involved as an analyst, negotiator and expert in construction claims with a total value of more than $1Billion.