59 29. Mortality index was 29. Near Misses Rate. 2) Disabling injury severity rate (essen-tially a weighted frequency rate). Number of work-related injuries × 1,000 / Average number of employees. 0 and AMOS version 24. 14,15 Multiple factors may be responsible for these increased. 5 million hours for the year and has experienced 20 recordable level injuries which gives them an incident rate of 1. Total Case Incident Rate (OSHA Recordable Incident Rate) TCIR. 99 per 1000 live births, while maternal near-miss mortality ratio is 3. 5 Maximizing the Value of Near Miss Reporting • Rates are for all full-time employees. Tier 2: an occurring incident with a moderate actual or potential outcome. The formula is. Maternal near-miss and maternal. Take the square root of the result to calculate the natural angular frequency: ω =√k/M = √164 1/s2 = 12. This scheme will allow companies to calculate near-miss telematics rates by means of a basic price, which can be personalized with traditional rating factors (age, driving experience, zone, vehicle power, and so on), and most interestingly, a variable rate that includes penalizations for some dangerous near-miss events. The formula can also be multiplied by 1,000,000 to get the injury frequency. We can therefore calculate the company’s illness rate as follows: (426 ÷ 49,248) x 100%) = 0. If it’s low, it means the working conditions are safe. Using a one-stop safety rate calculator that includes lost. Twenty-one events (34%) had hazard scores of 30 or less. 2 (95% CI, 100. The total hours worked in this period (for all employees) was 800,000. Learn more. Injury Type/Consequence: the injury or potential injury resulting from the incident, such as broken bones, burns, or loss of consciousness. Apply the concepts of disease frequency in the analysis of results from epidemiological research. Transcribing: in a paper-based system, an intermediary (a clerk in the hospital setting, or a. Within that quarter, workers recorded 249 near misses. Identify the number of new cases. Lost Time Injury Frequency Rate: the number of lost time injuries that occurred during the reporting period. Though a near miss is sometimes deemed too trivial to be worth documenting, enforcing a near-miss report has many advantages. The formula for calculating incident rates varies depending on the type you’re interested in. Companies that focus on leading indicators, such as near miss reporting, show improved organizational safety performance. During a research study, each person is observed from an established. My question is how to calculate the miss rate. The resulting calculation would be: (5 recorded 'injuries' x 1,000,000) / 200,000 hours = 25 injuries per million hours worked. 10 Studies from Karachi and neighbouring country India showed maternal near-miss rate was around 16. 6% and 14. The implication would be that as cycling grows, any increases in objective. If every Near Miss, Injury and Equipment related incident report identifies 3 action items to eliminate causes, with the typical ratio of 2:1, only 5 causes of accidents. Bureau of Labor Statistics to compare your rate with the same business group. The standard base rate of calculation is based on a rate of 200,000 labor hours. The formula can also be multiplied by 1,000,000 to get the injury frequency. Here are the different types of work-related events that require reporting: Near miss: This is when an event happens that almost causes an employee to suffer injuries or illness. 8 years. 5%) with regional variation in MNM frequency. The loss causation model in the following chart one of the better ones to use in Near Miss Reporting programs. 4 + 0. Kali ini mimin akan membahas terkait istilah dalam perhitungan statistik K3. Worldwide, the neonatal mortality rate (NMR) fell by 51%, from 37 deaths per 1000 live births in 1990 to 18 per 1000 live births in 2017. 86%. 5 GHZ and It is also provided that 20% of all instructions are of load/store type . Using logic similar to the two notable experimental demonstrations of a near-miss effects (Cote et al. 1 per 100 patient visits; 95% confidence interval [CI] 3. g. One clear illustration comes from the accident triangle, which depicts the relationship between accident severity and accident frequency. 43:1, which means for every 3. Divide by the result by the total number of hours worked. 47 Near Miss Report Frequency Rate 3 Workers Died 14. ethods One year of retrospective data from 2017 were collected from one patient cohort in a 422-bed acute care hospital. 0 (IBM Corp. 30) per 1000 km travelled. 4% to 2. An alternative way to analyse the information on accidents at work is to express the number of accidents in relation to the number of persons employed; this produces a ratio referred to as the incidence rate. The maternal near-miss incidence ratio was 16. Ordering: the clinician must select the appropriate medication and the dose, frequency, and duration. 83 and 0. Provide incentives for workers who report incidents. The tricky part lies in getting accurate. The formula for calculating incident rates varies depending on the type you’re interested in. The incidence of maternal mortality was 8. 4%) were admitted to the intensive care unit during delivery, and 22 (6. The 200,000 is the benchmark established by OSHA because it represents the total number of hours 100 employees would log in 50 weeks based on a 40-hour work week. 24%) items: 1. Determine how much time your business is losing as a result or injuries or illness with the simple Lost Time Incident Calculator. The formula can also be multiplied by 1,000,000 to get the injury frequency. Data includes incidents and hours from all locations except Near Miss Frequency Rate (NMFR) is limited to fixed operational facilities. 72 2. Near Miss Reporting: 1. There is no official definition of what constitutes a near miss with SIF potential, but according to the Campbell Institute’s research paper, a commonly used criterion is that an event has SIF potential if the situation could’ve been worse and could’ve resulted in SIF if not for one single factor. From a hospital based study that used a modification of the WHO tool , the maternal mortality ratio was 350 maternal deaths per 100,000 live births, the maternal near miss incidence ratio was 23. 34%. 2%. 9%. A culture of safety is essential to ensure health care quality and a positive hospital safety culture has been associated with lower rates of adverse events and in-hospital patient care complications. The estimated number of people with an over-3-day absence injury at any time. When it comes to LTIs, instead of looking to a lost time injury rate, it’s common to calculate a lost time injury frequency rate (LTIFR). General estimates will be calculated together with their respective 95% confidence intervals. ) NMFR = 11. 67% (near-miss/fatality ratio 60:1). A total of 126 cases were referred, while 5 cases were booked at our hospital. Number of Disabling Injuries refers to. ABOUT THE PROJECT The research was funded by Creative Exchange and Blaze. The use of the WHO tool underscores the practical challenges in determining. Total number of injuries and illnesses (annually) x 200,000 /. The near-miss indicator showed an SMO ratio of 6. LTIFR or the lost time injury frequency rate is a safety measure which refers to the number of lost time injuries occurring per 1 million hours worked. 61 Lost Time Injury Frequency Rate (LTIR)6 Full-time Employees 0. This would be a pretty high TRIFR, as you can see some TRIFR averages here. This would be a pretty high TRIFR, as you can see some TRIFR averages here. The National Safety Council (NSC) reports that 75 percent of workplace accidents follow at least one near miss event. Of the total number of injuries in 2020, 15,799 (42. An incident is an unplanned or unwanted event that resulted in, or could. It means that the incidence rate of new diagnoses of breast cancer in this population is 2 per 100,000 women per year. A lost-time injury (LTI) is something that results in a fatality, permanent disability, or time lost from work. Incidence of maternal near-miss, maternal near-miss to maternal mortality ratio, and cause of and factors associated with maternal near-miss. A culture that encourages employees to report near misses will result in more being identified. Analysis and identification of trends • Knowledge of near misses and adverse events allows the organization to analyze the cause of systems breakdowns and other factors contributing to theirThe goal of studying maternal near-miss in Suriname would be to (1) find a reason for the relatively high maternal mortality, and stillbirth rate in the country [ 5, 13, 14 ], (2) compare findings to other countries and (3) improve the quality of care. There has been a significant decrease in the number of High Potential Incidents (HPIs) reported by Queensland coal mines during the 2020/21 fiscal year. 18 found that one way to reduce the rate of medication errors, near-misses. 50 20. . The prevalence of maternal near-miss is high particularly in developing countries . 002 0. Frequency-severity method is an actuarial method for determining the expected number of claims that an insurer will receive during a given time period and how much the average claim will cost. This number equates to 100 employees, who work 40 hours per week, and who work 50 weeks per year. This stark fact shows exactly how important it is to report a close call and to follow up that report with a hazard resolution. The 2020 DIFR for the federal jurisdiction is 7. F = (Number of First-Aid injury x 1000. Expected results 15 4. Lost time injury (LTI) & LTI frequency rate (LTIFR) which are inappropriate for informing WHS due diligence and management decisions. : ABC Manufacturing Company’s Frequency Rate is 40. 5 million hours for the year and has experienced 20 recordable level injuries which gives them an incident rate of 1. Pairwise Calculation. • GATX defines a near miss broadly and encourages employees to report in order to build awareness within our employee population and help identify potential The 200,000 figure in the formula represents the number of hours 100 employees working 40 hours per week, 50 weeks per year would work, and provides the standard base for calculating incidence rate for an entire year. 5%) of them have previous history of abortion, 44 (12. g. Keep staff informed. Get Catalog | Get Free Samples. iii. 9/ 1000 live births. 09% in studies which had organ-system based criteria and it was from 0. However, a growing number of experts now argue that this concept is too short-sighted. ([Number of lost time injuries in the reporting period] x 1,000,000) / (Total hours worked in the reporting period) RIFR: Reportable Injury Frequency Rate Here is the TRIR calculation formula set forth by OSHA: TRIR = Number of Incidents x 200,000 / total number of hours worked in a year. This number tells you the number of lost time injuries per 100 worker years (equivalent to 2000 hours. This would be a pretty high TRIFR, as you can see some TRIFR averages here. % Total recordable injury rate (TRIFR): The frequency rate of RIs (TRIFR) is calculated when a business needs to compare RI performance across businesses of different sizes. The reason for calculating an accident frequency rate is to. 73 . 2. To fulfill the goals described by Van der Schaff et al. Ordinary frequency is related to angular frequency (symbol ω, with SI unit radian per second) by a factor of 2 π. Herbert Heinrich, a pioneer in workplace health and safety, first proposed the relationship in 1931 by determining that if minor accidents are reduced then there will be a corresponding. Formula: Effectiveness = (Number of Accidents Before Safety Program) - (Number of Accidents After Safety Program) / (Number of Accidents Before Safety. Generally, a good TRIR safety rate would be around 3. 3. TRIFR = { (LTI + MTI + RWI) x 1,00,000} / Hours Worked. Near Miss incidents. EMR is important internally, but more important externally. Inform supervisors of unsafe acts or unsafe conditions immediately. (4 reported accidents x 200,000) / 115,000 = 6. 6 fatalities per 100,000 full-time equivalent (FTE) workers, up from 3. More details can be found in our reports on the impact of the coronavirus pandemic on health and safety statistics. Your OSHA 300 Log and 300A Summary will have the information needed to find your rate of recordable injuries. Incidence and near-miss rates can be used to show the relative level of injuries and illnesses among industries, companies, or related operations within a single company. 9’ Chapter1:Introduction(’ ’ Construction’remains’a’dangerous’occupation’around’the’worlddespitethe’ best’intentions’of’governmentallaws. This would be a pretty high TRIFR, as you can see some TRIFR averages here. Atlanta, GA 30303. The ratio of near-miss to maternal mortality was 3. 05); older cyclists, who tended to report slightly lower near miss rates, tended to live in lower-cycling areas. The near miss rate was 23/1000 and maternal near miss to maternal mortality ratio was 3. 3), Qantas (24. The lost time injury rate (LTIR) is calculated using a simple formula, where the total number of lost time injuries in a given period is divided by the total number of hours worked in that period and then multiplied by 200,000. The Lost Time Injury Frequency Rate (LTIFR) follows a formula to indicate performance. DOWNLOAD HERE: Copy of Data statistics draftV1. Therefore, you can perfectly. Incident rate is number of incidents * 100 then this time divided by number of people. The formula for calculating your accident frequency rate is the number of reported accidents multiplied by 200,000, divided by the number of employee hours worked. 7% higher. 46 0. a situation in which something almost hits something else: 2. The formula for calculating your accident frequency rate is the number of reported accidents multiplied by 200,000, divided by the number of employee hours worked. The use of leading indicators helps to predict future safety issues that can lead to workplace injuries and fatalities. Purpose: Near-miss events represent an opportunity to identify and correct errors that jeopardize patient safety. 4. The 18 Near Miss Reporting Examples You Need To Know. Near miss provides indirect evidence related to health system, emergency obstetrics services, and the standard of care [3,4,5]. 28. they need to exercise WHS due diligence. Item Failure may occur Potential Impact. 34. The table in this article contains HSE formula configurations for frequency rates. Also differences in long-lasting diseases were relevant. Due to the variety of (adapted) MNM-criteria, it is unclear which criteria are most. AIFR = (Reported injuries x 200,000) / Employee total hours worked. Notes on the IMCA safety statistics: Data for 1996-2017 was separated into offshore/onshore categories, with an 'overall' combining the two. 011% between 2007. To calculate your LTIFR, simply plug those numbers into your formula: (6 x 1,000,000) / 2,500,000 LTIFR = 2. Apr 19, 2020 at 21:19. Divide the result by 2π to find the natural frequency:assessor variance and calculating the intraclass correlation. 04 (95% CI, 4. [citation needed] OSHA defines a near miss as an incident in which no property was damaged and no. Near Miss Reporting: 1. The frequency of accidents and near-misses has traditionally served as a concept for measuring safety. The number of reported accidents is derived from your operations, as is the total hours worked, while the number 200,000 is used in a number of safety KPI's to standardise the AFR. 6 Tier 3 - Near Miss Incident Indicators 6. According to one definition, a near miss is an occurrence with potentially important safety-related effects which, in the end, was prevented from developing into actual consequences (Van der Schaaf, 1992). (accident rate): 16. Divide by the result by the total number of hours worked. For example, the company has 1 injury resulting in medical attention every 45 days. 2. The formula for calculating your accident frequency rate is the number of reported accidents multiplied by 200,000, divided by the number of employee hours worked. of new cases of disease / Total population at risk x Population size. Thus Maternal Mortality to Near Miss Ratio is 1:17. Here is the TRIR calculation formula set forth by OSHA: TRIR = Number of Incidents x 200,000 / total number of hours worked in a year. Near misses: some examples of what happens and how it feels I was travelling down a narrow(ish) road with. We can. 0 to 5. Sample size calculation to identify determinants of NNM. Severity rate= days lost in a year due to accidents/number of man. 36 0. ) TRIR = 1. Results. Ratio of Near Miss to Injury/Illness Incidents ((Total # of Near Misses) / (Total Number of Injury / Illness Incidents)) Injury Experience Analysis {([Total Other Recordables * 1] +. 2) Disabling injury severity rate (essen-tially a weighted frequency rate). 02 * 48)) I used AMAT = Hit Time(1) + Miss Rate * (Hit time(2) + Miss Rate * (Hit time(3) + Miss Rate * Miss Penalty)) Here is the Table, and also Frequency is 2. 1% to 418. Among these, the hazard score was 180 for nine events, 90 for eight events, 60 for seven events, 30 for one event, and 15 for three events. =. It looks like it is designed to calculate baud rate from register settings on a specific processor. Incidence is the rate of new cases or events over a specified period for the population at risk for the event. Using these documents, simply plug in the number of recordable injuries and illnesses with total hours worked to find your OSHA incident rate. Take the number from Step 3 and divide it by the number from Step 2. 21 0. 000) and 9. If that rate were applied to the 3. A systematic reviews on maternal near misses reported an incidence of 0. Without these. Helps. 99% in studies which had management-based criteria. Twenty-one events (34%) had hazard scores of 30 or less. Please note, that very few companies use the severity rate as a calculation, as it only provides an average. Lost Tim Injury Frequency Rate (LTIFR) Digunakan untuk mengetahui banyaknya kecelakaan kerja per satu juta jam kerja orang akibat kecelakaan selama periode 1 tahun. 9). It further examines the consistency of the individual-level predictors of experiencing a near miss, including what influences the scariness of an incident. 03 2. It is a measure of the number of injuries per 1,000 employees and is usually calculated over a period of time, e. ) - *2019 Incidence rates ( XLSX) Case counts ( XLSX) - *2018 Incidence rates ( XLSX) Case counts ( XLSX) Fatal occupational. DART Rate. The 2020 DIFR for the federal jurisdiction is 7. It gives information about how frequently accidents occur and is represented as I r = I n *100000/ N mh or Injury Frequency Rate = Number of Disabling Injuries *100000/ Man Hour. Calculating Incident Rate. An incidence rate of injuries and illnesses may be computed from the following formula: (Number of injuries and illnesses X 200,000) / Employee hours worked. TRIR = 6 x 200,000 / 500,000. Accidents of various types in the construction of hydropower engineering projects occur frequently, which leads to significant numbers of casualties and economic losses. For example, if you recorded 2 incidents, then the number is 2*200,000 or 400,000. LTIFR calculation formula. 4 1 incidents per hour cycled. For example, if you had 1 recordable incident out of 10,000 hours worked in a year. Results Near misses totalled 190/8483 (2. We judged 37% of the adverse events, and all of the near misses, to be preventable (errors); 33% of the near misses were intercepted. Accident frequency rate is one of the standard safety measures which companies use to identify and analyse the number of occupational accidents which take place in the workplace. 05%). This measure expresses the days actually lost due to temporary total disabilities and the days charged (arbitrarily by an ANSIThe importance of near miss reporting becomes clear. Results Average maternal near-miss incidence ratio (MNMIR) for ICU admission was 3. Mean age was 26±3. 6 near misses per injury) The HSE’s own statistics show the ratio of non-serious injuries to serious injuries to be 7. Bureau of Labor Statistics to compare your rate with the same business group. CCPS common Lagging indicators, Described in this document under the "Near Miss" reporting section. e. Incident: This type of event results in mild-to-moderate. We found that the near-miss rates differed between the SDG regions, with sub-Saharan Africa having the largest variation in range. Now, you are probably wondering what makes a strong TRIR. (2001) only examine one locality, and only Joshi et al. The easy part of TRIFR calculations, like all safety KPIs ( see more here) is the measurement itself. Near Miss Reporting: 1. and “near-miss incident frequency rate”: 200000. 38% to1. 2–79. S. According to an EHS Today survey, the number of near misses was the top. Near miss events do not result in personal harm or property damage. The severity rate calculation from here would be: Severity rate = (25 lost work days x 200,000) / 2,000,000 hours worked = 1 lost day per accident. I would take a guess that your formula may be wrong. 944. Relative frequency comparison between near-misses in the study and road accidents for all of. Incidents are the most worrying safety events, but one of the safety metrics which also needs to be monitored 'closely' is reported near misses. 1 injury. e. The accident rate is defined as the ratio between the number of accidents which happened in a given year and the number of flights conducted during that same year. Most companies choose to calculate LTIFR per 1 million man hours worked. 5. Within the work book there is two types of sheets one with Leading Indicators Under the Monthly Stats Tab, The other is under the current Stats Tab. List common epidemiological methods of disease frequency: counts, proportions, ratios, rates, prevalence and incidence. The Maternal near miss incidence ratio was 17. This study aimed (1) to determine the incidence of severe maternal complications, maternal near-miss cases, and mortality cases associated with hypertensive disorders of pregnancy remote from term and (2) to assess the health system's performance indicators for the management of hypertensive disorders of pregnancy. 0–23. Average memory access time = Hit Time + Miss Rate X Miss Penalty. Contoh : Suatu perusahaan dengan 500 tenaga kerja, kegiatan 50 minggu per tahun, 48 jam perminggu. Looking at injury rates by shift (e. During the one-year period of the study, the incidence of maternal near-miss was 8. Take the number from Step 3 and divide it by the number from Step 2. 1. However, at this point, the machines ceased to pay out wins (i. This method, by counting hours worked rather than the number of employees, avoids distortions which may be. As you can see from the above formula and calculation, a low severity. A Serious Injury or Fatality (SIF) event is an incident or near miss that has the potential to, or does, result in a fatal or life-altering injury or illness. 4 to. 6: Maternal near-miss mortality ratio: 3. Any accident which is reported on site or in the workplace will become a part of the resulting AFR number. g. Logistic regression was conducted to calculate crude and adjusted odds ratios (ORs) and 95% CIs. Introduce near miss reporting from the beginning of employment. The number of contribution weeks was treated as a categorical variable in the models. Reporting a medication near-miss is crucial, as it highlights areas of human and system failures. This measure expresses the days actually lost due to temporary total disabilities and the days charged (arbitrarily by an ANSI Data points to estimate the total number of near misses include: Heinrich used a factor of 10:1 (near miss to injury) HSE based on Bird (1969) and Tye and Pearson (1974/75) had a ratio of 7:1 non-serious to serious injury and 189:1 near miss to serious injury (for an overall rate of 23. Calculate Injury/Illness Rates. 90 1. OSHA calculates this number as a rough measure of a company’s safety performance. A larger, standardized database of near-miss reports could be valuable in identifying systemic problems that lead to errors and formulating solutions to reduce their incidence. 9 PAEs; the IR system,. The incidence of NNM cases ranged from 21. To calculate a hit ratio, divide the number of cache hits with the sum of the number of cache hits, and the number of cache misses. Once the report has been completed, you will want to take some time to develop a plan of action. Latent errors in an incident reporting system pose threats to accident and near-miss prevention in hospitals. Sample calculation: Controbax Berlin GmbH had a workforce of 342 employees in February 2021. There are others but I think this is what you are trying to calculate. From a hospital based study that used a modification of the WHO tool , the maternal mortality ratio was 350 maternal deaths per 100,000 live births, the maternal near miss incidence ratio was 23. TRIR = 2. 3. In the United States, the most common of these is the total recordable incident rate (TRIR). You can get an idea of these ratios by looking at the above pyramid, which flows from 600 near misses to 10 medical treatment injuries and 1 lost time injury. A Serious Injury or Fatality (SIF) event is an incident or near miss that has the potential to, or does, result in a fatal or life-altering injury or illness. Most of the near-misses were pregnancies with hypertensive disorders (49%). 10% (acute) dispensaries (χ2, p≤0. Enter N = Number of Recordable Injuries and/or Illnesses in One Year EH = Total Number of Hours Worked by all Employees in One Year 200,000 = Equivalent of 100 Full-Time Employees Working 40 Hour Weeks. 5. For example, if all your employees during last year worked for a total number of hours equal to 2,000,000, and your number of recordable injuries is 2: TRIR = (2 × 200000) / 2000000 = 400000 / 2000000 =. Maternal near-miss incidence ratio (MNMIR) refers to the number of maternal near-miss cases per 1000 live births; the numerator being the magnitude of MNM and the denominator. Within the work book there is two types of sheets one with Leading Indicators Under the Monthly Stats Tab, The other is under the current Stats Tab. To calculate incident rates accurately, you need to gather essential data. This is a drop of 22. Maternal near-miss was calculated as number of maternal near-miss cases per 1000 live births. (e. $endgroup$ – user57037. Incident rate is number of incidents * 100 then this time divided by number of people. The DART incident rate is also important. In Figures 1 and 2, simple incidence rates are shown relating the number of accidents to the overall number of persons. Results: We identified 402 adverse events (incidence rate 4. Since there are several methods used to calculate these epidemiological measures, good comparison between studies and countries is difficult. As previously mentioned near misses have a frequency of 7 to 100 times the incidence of actual incidents . 23% in studies which had disease-specific criteria while it was from 0. Of the 20 studies that made adaptations to the criteria, 19 were from low-resource settings where lab-based criteria were adapted due to resource. , near miss events should be captured in the incident learning system (available for analysis and learning). Location B with its 250 employees has worked 512,500 hours for the year and has experienced 6 recordable level injuries which gives them an incident rate of 2. 1 per 1,000 and 1,007 per 100,000 live births, respectively. 4 presents the number of near-miss incidents per month and their corresponding proportions. 2/1,000 live births. Suppose you had three recordable incidents during the year. However, the level of risk involved across different occupations varies greatly. FREQUENCY TYPES OF INCIDENT 08 | The Near Miss Project: 2015. Don’t take shortcuts. Enter N = Number of Recordable Injuries and/or Illnesses in One Year EH = Total Number of Hours Worked by all Employees in One Year 200,000 = Equivalent of 100 Full-Time Employees Working 40 Hour Weeks. Here are some benchmarks: A perfect TRIR is 0, the product of zero employee accidents/incidents. The greatest proportion of near misses were found in the Western Pacific region (around Papua New Guinea) at 11•8 per 1000 births (95% CI 6•6-17•1; I 2 96. Using a one-stop safety rate calculator that includes lost. The observational patients had an mortality incidence rate of 12. It’s calculated by dividing the number of recordable injuries by the total number of employees over one year. The near-miss rate was 4. of Events X Multiplier) / Hours: Injury and/or Illness: Not Notifiable Event: NSHINR: Non-Notifiable Event Incident/Near Miss Rate (No. Get Catalog | Get Free Samples. Apply incident rate formula to identify trends in incident severity and frequency. , extinction). The miss rate is 10/50 which is . For example, if you have 51 cache hits and three misses over a period of time, then that would mean you would divide 51 by 54. R. (e. Near miss hazard and incident reporting and management are essential elements of the USC Work Health and Safety Management System, supporting the effective management of health, safety and wellbeing hazards and risks, that may occur or have the potential to occur at USC or as a result of USC activities. Near-miss management system is an umbrella term used to refer to software systems used to record, analyse and track near misses (Oktem 2002 ). Tier 3: an occurring incident with low risk actual or potential outcomes. Set Clear DefinitionsOur accident calculator uses the following incidence rate formula: TRIR = (Number of recordable injuries × 200000) / Hours worked.