Trident Consultants provides comprehensive consequence and risk analysis services based on its extensive practical design and operating experience. It has an established in-house suite of computer programs and a comprehensive risk database. These are used for the calculation of probabilities and the modeling of possible consequences arising from undesired events.

The techniques used by Trident Consultants include:

1. Hazard and Operability (HAZOP) Studies
2. Fault Tree Analysis (FTA)
3. Event Tree Analysis (ETA)
4. Failure Mode and Effect Analysis (FMEA)
5. Dispersion Analysis
6. Calculation of the Effects of Fire
7. Explosions Modeling
8. Estimation of Toxic Exposure Levels
9. Assessment of Environmental Impact

The depth of the consequence and risk analysis will depend on the purposes for which it is required. The essential elements however are always the same as given below:

1. Identify the hazards.
2. Evaluate the hazard restraint mechanisms.
3. Postulate possible restraint failures.
4. Estimate the frequency of restraint failures.
5. Consider possible mitigating factors.
6. Estimate the consequences of the undesired event.

Consequence and risk analysis is useful throughout the complete life cycle of a facility as given below:

CONCEPT
1. Evaluation of the Merits of Competing Technologies
2. Cost Benefit Investment Decisions

DESIGN
1. Specification of Safety Systems
2. Definition of Operating Procedures

CONSTRUCTION
1. Evaluation of the Construction Techniques
2. Assessment of Quality Standards

OPERATION
1. Definition of Acceptable Operating Envelopes
2. Assessment of the Effects of Feedstock or Product Changes

DEMOLITION
1. Identification of the Means of Safe Disposal of Residues and Wastes
2. Evaluation of Demolition Techniques