Risk assessment and hazop study of oil and gas sector. What is hazop instrumentation study material inst tools. Jan 16, 2019 this is a short extract from risktecs hazop study teaching module. Examples of process parameters include the following. In this approach, the process is broken down into steps, and every variation in work parameters is considered for each step, to see what could go wrong. This is the reason why you have to ensure that you can analyze the hazards that are present in your business the earliest time possible so that you can eliminate them and reduce. Hazard and operability study and risk management case.
It deals with comprehensive and complex workplace operations, which, if malfunctions were to occur, could lead to significant injury or loss of life. The hazard and operability hazop study is the most commonly used process hazard analysis pha method in the world today. Planning and controlled format documentation help ensure the success of the risk management program. Hazid check list and hazop study are used in this study to identify the various hazards and associated potential different hazardous scenarios. Risk assessment matrix document in excel and pdf format. Hazard and operability study process safety an overview. It is one of the techniques commonly accepted by regulators.
For example, many older plants are upgrading their control and instrumentation systems. Hazop, or a hazard and operability study, is a systematic way to identify possible hazards in a work process. For example, is the study being prepared to satisfy conditions of development consent or at. Lopa is lies in between hazop and quantitative risk assessment qra in terms of rigorousness. If, in the process of identifying problems during a hazop study, a solution becomes. This updated edition brings additional experience with which to assist the reader in delivering optimum safety and efficiency of. Know what is hazop and how to get trained in it including hazop methodology, hazop standards and management of hazop.
The car hits a deep hole and one of your tire blows. Guide to best practice, 3rd edition describes and illustrates the hazop study method, highlighting a variety of proven uses and approaches. Consensus on template format for recording study outputs consensus on hazop guide words to be used during the study. Representing hazard scenarios in graphical rather than written format enables participants and stakeholders to better understand the risks and controls associated with the operation of their assets. Both hazid and hazop are risk analysis tools used in the workplace. C hazop study logistics logistical development of this refinery unit hazop included the following. This is a short extract from risktecs hazop study teaching module. Hazard and operability analysis hazop is a structured and systematic technique for.
The team include three core team members and four parttime members. Hazop is the most widelyused technique in the process industries for. To buy the course, simply select one of the options below. Or to ensure the ability of equipments in accordance with the design intent. Time for ethylene plant hazop study 93750 minutes f dxe 4 hour, 240 minutes sessions per day 250 minutesday g no. Note that this is a screen shot only and the actual hazop example will be live simulation type with buttons that generate deviations for the pharma cip clean in place process shown here.
The application of a formal systematic critical examination of the process and engineering intentions of the new facilities, to assess the hazard potential of maloperation or malfunction of individual items of equipment and the consequent effects on the facility as a whole. All about hazard and operability study learn hazop get. Hazop steps hazop studies are conducted in a workshop format, bringing together a multidisciplined team of operations personnel, experienced design engineers and hse professionals. Hazop is short form for hazard and operability study. Hazard operability study and risk assessment example. A hazop study identifies hazards and operability problems. The major hazards identified, require a more detailed risk assessment.
It is useful as a template for a reference document within your whatif study group. Hazard and operability hazop study 1 hazard and operability hazop study. It deals with comprehensive and complex workplace operations, which, if malfunctions were to occur, could lead. Hazard and operability study hazop is a systematic risk assessment method that analyzes a process or operation to identify and evaluate problems that may. Oct 01, 2017 hazop is short for hazard and operability study. Hazop report clients template bornemann consultancy. The concept involves investigating how the plant might. Hazop, which stands for hazard and operability study, is used to identify abnormalities in the working environment and pinpoint the root causes of the abnormalities. We provide a standardized hazid excel template workbook. Hazop analysis complete report linkedin slideshare.
A hazop analysis of an lng ships cargo handling system design. A hazard and operability study or hazop is a systematic, critical examination. The hazopguide to best practice 7 states a hazop study is not an infallible method of identifying every possible hazard or operability problem that could arise during the actual operations. Take the necessary actions specified in the report step 12. To learn about hazop, it is necessary to learn not only the theory behind the technique and the use of various templates and formats, but also actual case studies and hazop analysis examples. Hazop preparation it is the responsibility of the responsible officer to initiate the hazop study where the project or modification meets the criteria.
Hazops meticulous approach is commonly used with chemical production and piping. This methodology identifies hazards, potential undesirable consequences and evaluate the severity and likelihood of what is identified. The hazop study should preferably be carried out as early in the design. A formal systematic rigorous examination to the process and engineering facets of a production facility. By doing hazad study the danger point of each loop controller can know the level of danger. A hazard and operability hazop study is a structured and systematic. To produce a batch of 10% concentration hcl hydrochloric acid steps. The success of the hazop study depends on the alertness and concentration of the team members. Aqualitative technique basedonguidewordsto help provoke thoughts about the way deviations from the intended operating conditions can lead to hazardous situations or operability problems. Client objectives scope objectives of this hazop location of the hazop meeting example the objective of the hazop is to assess and evaluate potential hazards related to the implementation of the planned modifications.
This deliverable reports the hazard and operability study hazop of the. Apr 22, 2014 hazop preparation it is the responsibility of the responsible officer to initiate the hazop study where the project or modification meets the criteria. A hazard and operability hazop study is a qualitative technique used to identify hazards in a planned or existing process so that their associated risks to personnel or equipment can be evaluated and prevented. The hazop method identifies deviations from design intent by applying guide words, such as no, more and less, to aspects of the design intent such as flow.
Consensus on template format for recording study outputs. If, in the process of identifying problems during a hazop study, a solution becomes apparent, it is recorded as part of the hazop result. Hzophazid presentation by tony linkedin slideshare. This is the first in a series of papers which describes progress in the emulation. Hazop an abbreviated term of hazards and operability is defined as.
Later, it has been extended to other types of systems such as nuclear power plant operation and software development. Here is an example of how a hazop study can be used by an expert team to assess the procedure involved in chemical production. A potential hazop study leader or hazop study chairperson must be aware of all of these. The environmental risk assessment and hazop study covers hazard management, record keeping and variety of health, safety and environment problems. The following is an example of creating deviations using guide words and.
This updated edition brings additional experience with which to assist the reader in delivering optimum safety and efficiency of performance of the hazop team. Conduct the hazop study and document the results step 10. This technique can be used for continuous or batch processes. Hazop is carried out by a crossfunctional team during a set of meetings. A haccp hazard analysis is a type of analysis that deals with food safety. What if check lists hazop fmea fta cpqra quantitative quantitative fmea, failure mode effects analysis is a preliminary qualitative technique that may require preliminary quantitative analysis miniqra. The hazard and operability, or hazop, study is a prime method for the identification of hazards on process plants. The main objectives of the study are to evaluate existing risk management plan and hazop effectiveness in oil and gas sector. Process hazard analysis pha whatif automated excel. The food production procedures contain a variety of steps in which bad or unsanitary practices may be observed. Hazop studies are conducted via the use of structured and systematic examinations based on guidewords. Pdf hazid, a computer aid for hazard identification.
The hazop method was initially developed in the 1960s to analyze chemical process systems. The workshop utilizes a clearly defined stepbystep methodology, and considers standardized deviations from normal process operations. This module includes a hazop study example for the explosion at the caribbean petroleum. The responsible officer will first appoint an independent hazop leader to act as the chairperson for the hazop meetings. A list of guide words is used to generate deviations from normal operation corresponding to all conceivable possibilities. Consider the flash drum as the hazop study node, conduct hazop fcv 5 fcv 2 fcv 7 ti 4 ti 3 fi 1 ti 1 fi 6 fi 2 ti 3 ti 2 ti 8 fi 8 lic 8 fi 9 fcv 9 fcv 8 pic 9 process fluid steam v40 e30 e20 x ad 90 mol % x af 50 mol % tic 7 study node.
Flowchart of hazop study6 risk is a possibility that could be happened after the work done can cause a loss as a consequence. The above given examples of the identified scenarios form just a very small. This is a handy copy of the default risk worksheet within the whatif spreadsheet. For example, a prudent designer will have allowed for foreseeable variations within the process creating a larger design envelope than just the basic requirements and the hazop will be looking at ways in which this might not be sufficient.
This is best learnt by the use of abhisams elearning course on hazop that has real life case studies and hazop analysis examples. Section 3 outlines the method of reporting the study and the resultsrecommendations arising. However, it was the introduction of process safety regulations particularly in the united states in the late 1980s and early 1990s that caused the dramatic. Some examples of combinations of guidewords and parameters. Hazop study hazard identification and risk assessment. This document briefly explains how a hazop study can be visualised with help of bowties, clarifying the benefits of this approach. Download hazop template and example hazop study report. The concept involves investigating how the plant might deviate from the design intent. However, many people engineers, chemists, project managers, process operators. For processes plant, the nodes are chosen so that for each a meaningful.
Process hazard analysis pha whatif automated excel spreadsheet. A hazard and operability study hazop is a structured and systematic examination of a complex planned or existing process or operation in order to identify and evaluate problems that may represent risks to personnel or equipment. Using a haccp hazard analysis can help businesses make sure that their workforce adhere to the quality standards of food production so that risks from unsafe. Systematic technique to identify potential hazard and operating problems. Reverse osmosis ro water is added to the batch mixer via centrifugal pump. You and your family are on a road trip by using a car in the middle of the night. Hazard and operability study and risk management case study.
Hazop study report template chemical engineering site. A multidisciplinary team or a hazop team carries out a. Hazid stand for hazard identification, where you identify the activities within your organization that have the potential to cause harm. Expertise and experience within the team is crucial to the quality and completeness of a study. A hazard and operability hazop study is a structured and systematic examination of a planned or existing process or operation in order to identify and evaluate potential hazards and operability problems. This excel file is useful for familiarizing yourself with the whatif spreadsheets import mechanism. In the other word, risk is a compilation between likelihood value and. You were replying a text message while driving at 100 kmh and it was raining heavily. For loop control of the process can be guaranteed that when the level of risk at a safe level as indicated by the green color of the risk matrix. This is an excellent reference for your whatif study group. Host a closeout meeting and signoff on the hazop study.
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