Construction expert witnesses are highly credentialed mechanical, safety & civil, geotechnical, chemical and electrical engineers, architects, general contractors, HVAC & soils experts, OSHA consultants specializing in many types, fields and phases of construction including codes & compliance, construction defects, accidents & investigations and safety, roofing, plumbing, project management, underground pipelines & cables, and more. They provide litigation support through analysis of facts and documents, field inspections, destructive testing, cost estimates, delay claims analysis and reporting, depositions and court testimony.