Model for assigning security objects to a specific risk category in the field of fire safety

2020 ◽  
Vol 90 ◽  
pp. 19-31
Author(s):  
D. V. Zobkov ◽  
◽  
A. A. Poroshin ◽  
A. A. Kondashov ◽  
◽  
...  
Keyword(s):  
Adverse Effects ◽  
Fire Safety ◽  
Economic Activity ◽  
Fire Hazard ◽  
Risk Category ◽  
Negative Consequences ◽  
Acceptable Risk ◽  
Individual Object ◽  
Safety Requirements ◽  
Risk Categories

Introduction. A mathematical model is presented for assigning protection objects to certain risk categories in the field of fire safety. The model is based on the concepts of the probability of adverse effects of fires causing harm (damage) of various extent and severity to the life or health of citizens, and the acceptable risk of harm (damage) from fires. Goals and objectives. The purpose of the study is to develop the procedure for assigning protection objects to a certain category of risk of harm (damage) based on estimates of the probability of fires with the corresponding severity consequences, to determine the acceptable level of risk of harm (damage) due to the fires, to calculate and develop numerical values of criteria for assigning objects of protection to the appropriate risk categories. Methods. The boundaries of the intervals corresponding to certain risk categories are determined by dividing the logarithmic scale of severity of adverse effects of fires into equal segments. Classification methods are used to assign objects of protection to a specific risk category. Results and discussion. Based on the level of severity of potential negative consequences of a fire, risk categories were determined for groups of protection objects that are homogeneous by type of economic activity and by functional fire hazard classes. The risk category for each individual object of protection is proposed to be determined using the so-called index of "identification of a controlled person" within a group of objects that are homogeneous by type of economic activity and class of functional fire hazard. Depending on the risk category, the periodicity of planned control and supervision measures in relation to the specific object of protection under consideration is determined, taking into account its socio-economic characteristics and the state of compliance with fire safety requirements by the controlled person. Conclusions. To develop criteria for classifying protection objects that are homogeneous in terms of economic activity and functional fire hazard classes, the probability of negative consequences of fires, that are causing harm (damage) of various extent and severity to the life or health of citizens, and the acceptable risk of causing harm (damage) as a result of fires, is used. The risk category for each individual object of protection is determined taking into account socio-economic characteristics of the object that affect the level of ensuring its fire safety, as well as the criteriaof integrity of the subordinate person that characterize the probability of non-compliance with mandatory fire safety requirements at the object of protection. Calculations are made and numerical values of criteria for assigning protection objects that are homogeneous in terms of economic activity and functional fire hazard classes to a certain category of risk are proposed. Key words: object of protection, probability of fire, acceptable level of risk, risk category, dangerous factor of fire, death and injury of people.

Methodology for assigning objects of protection to a certain risk category in the field of fire safety

2020 ◽  
pp. 26-35
Author(s):  
Денис Валерьевич Зобков ◽  
Александр Алексеевич Порошин ◽  
Андрей Александрович Кондашов ◽  
Евгений Васильевич Бобринев ◽  
Елена Юрьевна Удавцова
Keyword(s):  
Fire Safety ◽  
Economic Activity ◽  
Fire Hazard ◽  
Fire Risk ◽  
Federal State ◽  
Risk Category ◽  
Negative Consequences ◽  
Fire Hazards ◽  
Risk Categories

Проанализирован международный опыт реформирования проверок соблюдения требований пожарной безопасности и внедрения риск-ориентированного подхода. Разработана модель отнесения объектов защиты к категориям риска в зависимости от вероятного причинения вреда, который рассчитывается исходя из количества погибших и травмированных при пожарах людей. Сформулированы критерии отнесения объектов защиты к категориям риска. Выполнен расчет категорий риска для групп объектов, однородных по группам экономической деятельности и классам функциональной пожарной опасности. Проведено сравнение с существующей классификацией объектов защиты по категориям риска. The international experience of reforming of fire safety compliance checks and implementing a risk-based approach is considered. There are presented methodological approaches to calculating the risk of causing harm (damage) in buildings (structures) as a result of fire for the purpose of assignment of buildings and structures according to risk categories as well as justification of the frequency of scheduled inspections at these facilities. There is calculated the probability of fire occurrence for a group of objects of protection that are homogeneous by type of economic activity and functional fire hazard classes in order to assign objects of protection to certain risk categories. The social damage expressed in the death and injury of people as a result of fire is also calculated in order to assign objects of protection to certain risk categories. Classification of objects of protection according to the risk categories is performed using the indicator of the severity of potential negative consequences of fires. This indicator characterizes the degree of excess of the expected risk of negative consequences of fires for the corresponding group of objects of protection in relation to the value of the permissible risk of negative consequences of fire. The permissible risk of negative consequences of fires is calculated on the basis of statistical data, taking into account the value of the individual fire risk of exposure of critical values of fire hazards on person in buildings and structures. The criteria for assigning groups of objects of protection to the appropriate risk categories are formulated on the basis of formation of distribution of numerical values of the severity of potential negative consequences of fires. There are carried out the assessment of the severity of potential negative consequences of fires for objects of protection that are homogeneous by type of economic activity and functional fire hazard classes, and also the risk categories of the corresponding groups of objects are determined. The proposed classification of objects of protection according to risk categories is compared with the existing classification. The obtained results of calculations showed that scheduled inspections of objects of protection by the Federal state supervision bodies, depending on the assigned risk category and with corresponding frequency, have significant role in improving the level of fire safety of objects. The decrease in the intensity of scheduled inspections, at the same time, may lead to a corresponding decrease in the level of fire protection of objects.

Methodological principles for changing the risk category of objects of protection in the field of fire safety

2021 ◽  
pp. 18-33
Author(s):  
Денис Валерьевич Зобков ◽  
Дмитрий Викторович Ушаков ◽  
Алексей Васильевич Карпов ◽  
Галина Петровна Сурина
Keyword(s):  
Dynamic Model ◽  
Fire Safety ◽  
Fire Hazard ◽  
Severity Index ◽  
Risk Category ◽  
Negative Consequences ◽  
Economic Activities ◽  
Safety Requirements ◽  
Methodological Principles ◽  
The Individual

В рамках развития методологии отнесения объектов защиты к определенной категории риска в области пожарной безопасности на основе оценки базового показателя тяжести потенциальных негативных последствий пожаров для объектов защиты, однородных по видам экономической деятельности и классам функциональной пожарной опасности, разработана динамическая модель определения или изменения категории риска объекта в зависимости от индекса индивидуализации подконтрольного лица. Это позволяет определить категорию риска либо принять решение об изменении ранее присвоенной категории риска для конкретного объекта защиты из группы с учетом индивидуальных социально-экономических характеристик данного объекта защиты, оказывающих влияние на уровень обеспечения его пожарной безопасности, а также учесть соблюдение на объекте защиты обязательных требований пожарной безопасности на основе информации об этом объекте, имеющейся в распоряжении органа государственного пожарного надзора. There was developed the dynamic model for determining or changing the risk category of the object according to the individualization index of the controlled person. The aforesaid model was elaborated in the context of development of the methodology for assigning objects of protection to a certain risk category in the field of fire safety, based on the assessment of basic severity index of potential negative consequences of fire for objects of protection that are homogeneous both in economic activities and in functional fire hazard categories. This allows to determine the risk category, or decide to change the previously assigned risk category for a particular object of protection from a certain group, taking into account the individual socio-economic characteristics of this object of protection, affecting the level of its fire safety. This also allows to take into account the compliance with mandatory fire safety requirements at the object of protection on the basis of information about this object that is available to the state fire supervision body.

Methodology for assigning security objects to a certain risk category

2020 ◽  
Vol 90 ◽  
pp. 8-18
Author(s):  
D. V. Zobkov ◽  
◽  
A. I. Ryzhikov ◽  
A. A. Poroshin ◽  
◽  
...  
Keyword(s):  
Russian Federation ◽  
Fire Safety ◽  
Fire Hazard ◽  
Individual Characteristics ◽  
Acceptable Level ◽  
Risk Category ◽  
Negative Consequences ◽  
The Russian Federation ◽  
The Individual ◽  
Level Of Risk

Introduction. In accordance with the provisions of Federal law No. 248-FZ of July 31, 2020 "On state control (supervision) and municipal control in the Russian Federation", a methodology has been developed for determining criteria for assigning protection objects to certain categories of risk of causing harm (damage) of various extent and severity to legally protected assets as a result of fire. Goals and objectives. The purpose of the study is to develop a procedure for assigning protection objects to a certain category of causing harm (damage) risk based on estimates of the probability of fires with the corresponding severity of consequences. Methods. To form criteria for assigning protection objects to a certain category of risk, such concepts are formalized as: the probability of an event (fire) with the corresponding consequences; the acceptable level of risk of causing harm (damage) in a fire. Based on these concepts, the indicator "severity of potential negative consequences of fire" was determined, which allows performing quantitative calculations for assigning protection objects to a certain risk category. Results and discussion. The international experience of reforming fire safety compliance checks and implementing a risk-based approach is considered. Using the indicator of "the level of severity of potential negative consequences of fire", risk categories were determined for groups of protection objects that are homogeneous by type of economic activity and classes of functional fire hazard. To assess dynamic changes that take into account the individual characteristics of objects of protection, when determining the risk category, an approach to the formation of such a concept as the "index of individualization of a controlled person" is proposed. This index takes into account the individual characteristics of the object of protection that affect the level of its fire safety, as well as information about the integrity of the controlled person, which characterize the carrying out of fire protection measures on the object of protection, the implementation of an independent risk assessment, the conclusion of a voluntary insurance contract, etc. Conclusions. A methodology has been developed for determining criteria for assigning protection objects to certain categories of risk of causing harm (damage) of various extent and severity to legally protected estimates as a result of fire. The provisions of the proposed methodology formed the basis of the decree of the Russian Federation Government No. 1662 of October 12, 2020 "On amendments to the Regulations on Federal state fire supervision", which regulates the procedure and criteria for assigning protection objects to a certain category of risk in the field of fire safety. Key words: risk-based approach, object of protection, probability of negative events, acceptable level of risk, index of individualization, integrity of the controlled person, fire prevention measures.

Risk-Oriented Model of the Distribution of Buildings (Structures) by Categories of Risk of Causing Harm (Damage) as the Result of Fire to Substantiate the Frequency of Scheduled Inspections of the Buildings (Structures)

2021 ◽  
pp. 75-80
Author(s):  
A.V. Matyushin ◽  
◽  
A.G. Firsov ◽  
Yu.A. Matyushin ◽  
V.S. Goncharenko ◽  
...  
Keyword(s):  
Fire Hazard ◽  
Developed Countries ◽  
The State ◽  
Fire Occurrence ◽  
Safety Requirements ◽  
Record Card ◽  
The Russian Federation ◽  
The Developed Countries ◽  
Object Of Control ◽  
Risk Categories

Normative legal acts of the Russian Federation establish that the criteria for assigning control objects to the categories of risk of causing harm should be formed based on the results of the assessment of the risk of causing harm. In the developed countries of the world, as a rule, the distribution of objects of control by risk categories and the substantiation of the frequency of their inspections are carried out depending either on the point risk assessment, or on the number and importance of the violations of mandatory fire safety requirements revealed during the inspection of the object of control. The purpose of this work is to substantiate the frequency of scheduled inspections of the objects of control by the state fire supervision bodies depending on whether the objects of protection belong to a particular category of risk of causing harm. As a criterion for assigning control objects to various categories of risk of causing harm, it is proposed to use the risk of causing harm (damage) as the result of fire in the buildings of various classes of functional fire hazard, which is understood as the product of the probability of fire occurrence, the probability of causing socio-economic harm (damage) as the result of fire and the value terms of socio-economic harm (damage). A mathematical model was developed to determine the risk of causing harm (damage) as the result of a fire in a building, and an assessment of its values for the buildings of various classes of functional fire hazard is given. Distribution of the buildings by categories of risk of causing harm (damage) was carried out depending on the calculated value of the risk of causing harm. It is shown that the distribution of control objects by risk categories significantly depends on the degree of detail in the fire record card of the characteristics of the building in which the fire occurred. The optimal terms for carrying out scheduled inspections of the objects of control are proposed depending on the category of risk to which they are assigned. Proposals are formulated concerning the improvement of the risk-oriented approach in the activities of the state fire supervision bodies of the EMERCOM of Russia.

scholarly journals Normative regulation of fire safety of infrastructural objects of hydrogen energetics

2020 ◽  
Vol 29 (5) ◽  
pp. 5-12
Author(s):  
Yu. N. Shebeko
Keyword(s):  
Liquid Phase ◽  
Fire Safety ◽  
Fire Hazard ◽  
Energy Generation ◽  
Normative Documents ◽  
Practical Applications ◽  
Safety Requirements ◽  
Production Of Hydrogen ◽  
Normative Basis ◽  
Hydrogen Energetics

Introduction. Now many countries produce measures for a transfer of their economics to an application of a hydrogen energetics. Because of a high fire hazard of hydrogen a fire safety provision of infrastructural objects of the hydrogen energetics is a very important task. The infrastructural objects of the hydrogen energetics are the facilities aimed on a production and storage of hydrogen, transportation of gaseous (GH2) and liquid (LH2) hydrogen, an application of hydrogen for an energy generation, car refueling stations etc. Scientific basis for a creation of the fire safety normative documents was laid in studies of Russian and foreign investigators.Russian normative documents. Russian normative documents in the area considered are analyzed in this work. A draft of the Technical Regulation on a safety of the facilities aimed on production, storage, transportation and application of hydrogen is the most important among them. This document contains a lot of specific requirements which should be used independently of a type of the hydrogen facility. Therefore this document can be considered as extremely “rigid” for a practical applications. A set of rules SP 162.1330610.2014 is aimed on the regulation of the safety requirements for the facilities using liquid hydrogen. The document PB 03-598-03 considers the safety requirements for a production of hydrogen by an electrolysis of water. A conclusion was made that Russian normative basis is not sufficient for a development of the hydrogen energetics.Standard NFPA 2. The standard NFPA 2 can be considered as a most important normative document containing the safety requirements for the facilities for production, storage, transportation and application of hydrogen in a gaseous and a liquid phase. This standard contains both general and specific requirements for the infrastructural objects such as car refueling stations, storages of hydrogen in the gaseous and the liquid phase and also using metal hydrides, hydrogen production facilities, energy generation objects using hydrogen, technological equipment containing hydrogen, laboratory facilities, car parks for the cars using hydrogen as a fuel etc.Conclusions. It was found that there is no comprehensive set of the normative documents regulating fire safety of infrastructural objects of hydrogen energetics. The series of the Russian normative documents in this area which should be created was proposed. A conclusion was made that the requirements of NFPA 2 can be used at a creation of the Russian normative basis of the hydrogen energetics.

scholarly journals Tent fabric used by seasonal children’s camps: fire risk assessment

2021 ◽  
Vol 30 (1) ◽  
pp. 5-15
Author(s):  
N. I. Konstantinova ◽  
A. V. Zuban ◽  
E. A. Poedintsev ◽  
N. V. Golov
Keyword(s):  
Fire Safety ◽  
Fire Hazard ◽  
Experimental Studies ◽  
Fire Risk ◽  
Combustion Products ◽  
National Standard ◽  
Assessment Methodology ◽  
Safety Requirements ◽  
Technical Requirements ◽  
Materials Used

Introduction. The use of fireproof tent fabric at children’s tent camps remains a relevant problem. It may be resolved by developing a special flammability assessment methodology and criteria applicable to materials, used as the structural framework of tents. This solution will determine the choice of fabric.Aims and purposes. Materials, currently used to make tents, include natural or synthetic fabric and various polymers, that may be a fire hazard. In case of fire, safe evacuation of people may be unfeasible, although it is particularly important for children’s seasonal tent camps designated for sports and leisure.Domestic regulatory documents, that are currently in force, contain solely general technical requirements applicable to travel tents or ensuring fire safety in the territory of children’s tent camps, but there are neither fire safety requirements applicable to tent materials, nor any methods of their assessment. Meanwhile, there were cases of fire at children’s tent camps.The purpose of this work is to establish fire safety requirements applicable to tent materials used at children’s tent camps, to develop their testing criteria and methodology.The main objectives to be accomplished in order to achieve the pre-set purpose include the analysis of effective regulatory requirements and methods used to determine the flammability of tent materials, the establishment of parameters and criteria designated for their assessment and the development of a standard testing methodology.Results and discussion. Experimental studies were carried out to assess a set of flammability-related parameters of several types of fabric and polymers used to make outer/inner tents and ground sheets. It has been determined that currently used materials are fire-hazardous; therefore, it is advisable to limit the production of tents from combustible and flammable materials whose combustion may be triggered by low-calorie ignition sources, including those that can melt or release toxic combustion products.Currently used standard methods were applied to develop modified methodologies and classification criteria needed to assess the flammability of tent materials for children’s summer camps; experimental studies were also carried out.Conclusions. A draft national standard has been developed; it implies the establishment of the flammability assessment methodology and criteria and restricts the use of tent materials, that are extremely hazardous in terms of the toxicity of their combustion products.

scholarly journals Assessment of compliance with fire safety requirements of the poultry house for 200,000 heads of “Avangard LLC” in Republic of Mordovia based on fire risk calculation

2020 ◽  
Vol 28 (1) ◽  
pp. 35-46
Author(s):  
Anatoly P. Savelyev ◽  
Sergey V. Glotov ◽  
Mikhail N. Chugunov ◽  
Rail R. Salikhov
Keyword(s):  
Risk Assessment ◽  
Fire Safety ◽  
Fire Hazard ◽  
Fire Risk ◽  
Gas Pipeline ◽  
Poultry House ◽  
Space Planning ◽  
Safety Requirements ◽  
Technical Regulations ◽  
Assessment Of Compliance

This article presents the results of the assessment of compliance with fire safety requirements of the building of the poultry house for 200,000 heads of Avangard LLC of the Republic of Mordovia, made on the basis of fire risk calculations. The analysis of factors affecting the quality and reliability of the results of calculations is carried out. During the research and evaluation of the objects compliance with fire safety requirements were guided by the provisions of the Technical regulations on fire safety requirements. A list of technical regulations applicable to the object under study was defined. The article gives the fire-technical characteristics of the object under study, the class of functional fire hazard (agricultural buildings). The conducted research has established that the object of research meets the requirements of fire safety. Calculations on fire risk assessment were fulfilled by comparing the calculated values of fire risk with the normative value. For the considered object of protection the fire hazard analysis including the analysis of building characteristics (space-planning, design and technical solutions), fire protection systems, and features of functioning taking into account contingent and distribution of fire load in rooms was completed. The calculation of the risk of the gas supply system was considered the impact of the flame during the combustion of gas released in case of emergency depressurization of the pipeline. The potential risk in a poultry house near a gas pipeline with a diameter of 50 mm will be 1.7810-5, near a gas pipeline with a diameter of 70 mm - 4.410-7, and in total - 1.82410-5. The individual fire risk for employees of the poultry house building is 8.3110-7 year-1. Calculations of the spread of fire hazards and the time of evacuation of people are made using software that allows to create graphical models of space-planning solutions of buildings. With the introduction of the fire risk assessment system at the legislative level, the owners of objects have the opportunity to optimize the cost of fire safety with the required level of safety of people.

scholarly journals Assessment of fire hazard of livestock complexes on the content of cattle on the basis of fire risk calculations

2021 ◽  
pp. 86-95
Author(s):  
Anatoly Petrovich Savelyev ◽  
Vladimir Stepanovich Shkrabak ◽  
Sergey Viktorovich Glotov ◽  
Roman Vladimirovich Shkrabak ◽  
Mikhail Nikolaevich Chugunov ◽  
...  
Keyword(s):  
Fire Safety ◽  
Fire Hazard ◽  
Fire Risk ◽  
Necessary Condition ◽  
Federal Law ◽  
Technical Regulation ◽  
Safety Requirements ◽  
The Cost ◽  
Technical Regulations

The conducted research has established that a necessary condition for ensuring fire safety is the fulfillment of the fire safety requirements provided for by the technical regulations adopted in accordance with the Federal Law "On Technical Regulation". This risk-based approach reduces the cost of fire safety.

Calculation and Analytical Substantiation of the Limiting Values of Ammonium Nitrate Mass During Storage in the Warehouses and Terminals

2021 ◽  
pp. 20-26
Author(s):  
L.P. Vogman ◽  
◽  
A.V. Iliychev ◽  
E.E. Prostov ◽  
D.V. Dolgikh ◽  
...  
Keyword(s):  
Ammonium Nitrate ◽  
Fire Resistance ◽  
Fire Safety ◽  
Fire Hazard ◽  
Storage Conditions ◽  
Hazard Class ◽  
Safety Requirements ◽  
Emergency Ventilation ◽  
Limiting Values

On the basis of theory of stationary thermal explosion of A.D. Frank-Kamenetsky, depending on the temperature of the critical size of the ammonium nitrate embankment, the calculations were performed, which show that it can be stored in the large volumes at the temperatures up to 30 °C. On the contrary, at the temperatures above 100 °C (for example, at 200 °C), the decomposition of nitrate occurs with acceleration and can lead to an explosion. Based on the studies performed, it is shown that the changes and additions to the fire safety requirements for ammonium nitrate storage in the buildings and structures should be determined by the requirements for fire resistance of buildings (at least II degree of fire resistance), for the purity of the product and its packaging, for the exclusion of contacts with organic substances and materials, storage conditions. Additional fire safety requirements were developed for inclusion in the normative document regarding ammonium nitrate storage. Ammonium nitrate is allowed to be stored in one-story warehouse buildings of at least II degree of fire resistance, structural fire hazard class C0. The floor area within the fire compartment should not exceed 10 500 m2. Between the fire-fighting walls of the 1st type, it is allowed to store no more than 25 000 tons of nitrite in bulk or in the special bags, as well as in the soft specialized containers for bulk products in accordance with GOST 2—2013.The conditions for placing ammonium nitrate in the stacks should be accepted in accordance with the requirements of SP 92.13330.2012. Temperature in the storage room of ammonium nitrate should not exceed 30 °C with a relative humidity of not more than 60 %. Warehouses for storing ammonium nitrate should be equipped with general exchange supply and exhaust and (or) emergency ventilation, in order to exclude the formation of a fire and explosion hazardous environment in the room during the decomposition of ammonium nitrate. Warehouses for storing ammonium nitrate in an amount of not more than 5 thousand tons may be separated from other premises, including from the warehouses for fertilizers and pesticides, by solid (without openings) type 2 fire walls.

Analisa Risiko Keselamatan Dan Kesehatan Kerja Menggunakan Standar AS/NZS 4360:2004 Di Perusahaan Pulp&Paper

2019 ◽  
Vol 2 (1) ◽  
pp. 84
Author(s):  
Muhamad Bob Anthony
Keyword(s):  
High Risk ◽  
Risk Control ◽  
Hazard Identification ◽  
Risk Category ◽  
Research Approach ◽  
Acceptable Risk ◽  
Pulp Paper ◽  
Substantial Risk ◽  
Very High ◽  
Risk Categories

This research has the purpose to find out the value of the risk of the potential dangers of work and level of risk of the potential dangers of working and know the potential dangers of dominant work that led to the occurrence of accidents at the company's pulp paper process in & area the production of paper. This research approach by using the method of HIRA (Hazard Identification and Risk just my Assesment) using the standard AS/NZS4360:2004 to calculate values before there is risk control (basic risk) until after control of risk (existing risk). The results of the activities of the production process on the company PT. XYZ is acquired 16 basic risk activity that consists of a category acceptable risk as 6, priority 3 category 2 category, substantial risk (priority 2) as many as 3 risk, priority 1 category 4 category of risk and very high risk as much as 1. After control of the risk (the existing risk) obtained a decrease risk category can be received (acceptable) a total of 10 risk (62.5%), priority 3 as much as 5 risk (31.25%) and substantial category (priority 2) as much as 1 risk (6.25%) While the priority categories 1 and very high risk categories have been lost after a controlling or mitigating riskKeyword : AS/NZS 4360:2004, basic risk, existing riskPenelitian ini memiliki tujuan untuk mengetahui nilai risiko potensi bahaya kerja dan level risiko potensi bahaya kerja serta mengetahui potensi bahaya kerja dominan yang menyebabkan terjadinya kecelakaan kerja di perusahaan pulp&paper pada proses di area produksi kertas. Penelitian ini menggunakan pendekatan dengan metode HIRA (Hazard Identification and Risk Assesment) dengan menggunakan standar AS/NZS4360:2004 untuk menghitung nilai-nilai risiko sebelum ada pengendalian (basic risk) sampai setelah dilakukan pengendalian terhadap risiko (existing risk). Hasil penelitian dari kegiatan proses produksi pada perusahaan PT. XYZ ini didapatkan 16 kegiatan basic risk  yang terdiri dari kategori acceptable sebanyak 6 risiko, kategori priority 3 sebanyak 2 risiko, kategori substantial (priority 2) sebanyak 3 risiko, kategori priority 1 sebanyak 4 risiko dan kategori very high sebanyak 1 risiko. Setelah dilakukan pengendalian terhadap risiko (existing risk) didapatkan penurunan resiko yaitu kategori dapat di terima (acceptable) sebanyak 10 risiko (62,5%), priority 3 sebanyak 5 risiko (31,25%) dan kategori substantial (priority 2) sebanyak 1 risiko (6,25%) sedangkan kategori priority 1 dan kategori very high risk  telah hilang setelah dilakukan pengendalian atau mitigasi resiko. Kata Kunci: AS/NZS 4360:2004, basic risk, existing risk

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