Objective:
Process Risk Assessment, HAZOP To make a basic quantitative risk assessment of the operations involved in the production process
Methodology and Scope of Work

    Initial screening based on the inventory, hazardous properties of the chemicals involved, inherent design and engineered design aspects, engineering judgment and past history
    Preliminary hazard assessment using Dow’s Index
    Based on earlier analysis, taking up the short listed cases/operation and applying techniques like HAZOP
    Taking up the credible scenarios for further analyses like Fault Tree and Event Tree and doing semi quantitative risk assessment by substituting values

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Risk Analysis Studies

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Definition

It is a process that consists of a number of sequential steps as follows :

Hazard Identification: Identifying sources of process accidents involving release of hazardous material in the atmosphere, and the various ways (i.e. scenarios) they could occur.
Consequence Assessment: Estimating the probable zone of impact of accidents as well as the scale and / or probability of damages with respect to human beings and plant equipment and other structures.
Accident Frequency Assessment: Computation of the average likelihood of accidents.
Risk Estimation: Combining accident consequence and frequency to obtain risk distribution with in and beyond a process plant.

Stages of Risk Analysis

Any plant during its design and construction stages can undergo any of the following hazard identification and hazard analysis techniques:

Process Design Check lists
HAZOP studies
Failure Mode and Effects Analysis
What If analysis
Fault Tree analysis
Event Tree Analysis

CMSRSL will identify hazards associated with the operations and select worst case scenarios for estimation of consequences. Reputed software models will be used for consequence estimation. Based on the estimated frequency of occurrence, risk reduction measures will be suggested to the management for effective implementation.

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Fire Safety Audit/Fire Risk Assessment

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Identification & assessment of fire risks during operations in receipt, storage, transfer and handling of chemicals (raw materials and finished products)

Identification & control of ignition sources in areas where flammable chemicals are stored / handled / transferred

Review of chemical compatibility in storage areas and to suggest appropriate fire loss control measures
Review of fire detection measures adopted in the plant & to suggest suitable improvement measures
Review of the various active (fire hydrant, sprinkler, portable fire extinguishers) and passive fire protection requirements for chemical storage and handling areas and to suggest improvements as necessary
Review of contractor safety awareness (chemical spill, fire fighting, emergency communication, knowledge of plant hazards & safety regulations) and to recommend suitable improvement measures to enhance contractor safety
Review of safety awareness and safety training requirements (training identification and efficacy) of plant employees with respect to hazards present in the plant

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HAZOP

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Hazop is one of the most effective and widely used hazard identification techniques, employed all over the world, mainly for chemical and petrochemical processes. It involves a systematic analysis of the consequences, of all the possible causes of deviation in a process from the original design intention. The HAZOP team, then, identifies suitable actions required for elimination of the hazard or reduction of its consequences. The multidisciplinary team involved in the study also discovers operability problems and identifies actions to reduce or eliminate them. CMSRSL has conducted HAZOP studies for a number of process industries.

Concept

To identify all possible deviations from the way the design is expected to work and all the hazards associated with these deviations so that the output from the examinations consists of a mixture of decisions and questions for answering at subsequent meetings.

Hazards that will be considered include those pertaining to those working in the plant, plant & machinery, product quality, general public and environment

Objectives