Roberts & Roberts is a small consulting firm providing services to oil, gas, petrochemical, pipeline, and electrical generation companies. •Asset Management: production/processing facility top-down Reliability-Availability-Maintainability modeling and maintenance function optimization, process system simulation modeling, cost-estimating, cost-benefit analysis, economic feasibility analysis, loss protection, and other activities. •Risk Engineering: hazards review (HAZOP, FMEA, FMECA, Safety Barrier Analysis), scenario development, scenario risk ranking, explosion, fire, and toxics dispersion modeling, quantitative risk analysis (FTA, RBDA, simulation modeling, Safety Integrity Level Selection (SILS) and Layer of Protection Analysis •System Safety and Process System Reliability Modeling: fault tree analysis (FTA), Safety Integrity Level Selection(SILS), reliability block diagram analysis (RBDA), reliability data collection and analysis, top-down process system Reliability, Availability, Maintainability (RAM) modeling, availability improvement methods such as Reliability Centered Maintenance (RCM). •Reliability Engineering & Maintenance Management: operating strategy, maintenance strategy, maintenance budgeting and cost accounting, cost-benefit analysis, operational risk exposure, maintenance organization optimization and other activities, •Process Safety Management: all aspects of development, organization, and implementation of a PSM program.