au. 65 (7th edition), p. 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. This excludes non injury incidents. Frequency & Severity Rate. g. Toronto ON M5J 1T1. Feedback can also be emailed to statsonline@swa. 2. 85 470 312. Table 1: Work-related fatal injuries to workers (employees and the self-employed) in Great Britain, by detailed industry. The major downside to an excel safety scorecard template is maintaining it over time. where is michelle tuzee today. The crash prediction algorithms consider the effect of a number of roadway segment and intersection variables. 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. Author: Matt Crew Last modified by: John Gilstrap Created Date: 1/11/2012 4:24:24 PM Other titles: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. TRIR (Total Recordable Incident Rate) DART (Days Away, Restricted or Transferred) EMR (Experience Modification Rate) Like a report card, trailing indicators, also known as lagging indicators, measure your safety performance based on past incidents or conditions. Lost time frequency rate (LTIFR) shows the average number of injuries occurring over 1 million working hours. Sheet help you calculate the accident and incident rate of your company. It would be a mistake to say establishments with the highest rates in these files are the "most dangerous" or "worst" establishments in the nation. Posted at 01:37h in public health merit badge booklet by another way to say feed my curiosity. 0. Definition ofRoad accidents. 6 Assessment of Confidence Ratings 30 3. accident in roxboro, nc yesterday. 4: 5. This is one of the most reliable statistics for forecasting future accident experience. This means that for every one million hours worked in the facility,. 2 Death - Fatality resulting from an accident. per 1 000 000 hours : the number of new cases of injury during the calendar year divided byyy the total number of hours worked by workers in the WebInjury. LTIFR calculation formula. Accident frequency rate can be calculated by these two formula: -. In 2021, there were 2. Tentukan rate waktu kerja hilang akibat kecelakaan kerja tersebut. 8 attributed to ill health and £5. C = Total number of crashes in the study period. xls / . of accidents + No. Lost time injury frequency rates. total number of hours worked (including staff and contract), number of people employed (including staff and contract) and. However, they do provide a methodology for generating the Frequency Rates for sectors. Since 2002, RoSPA has worked for the re-establishment of detailed. 2. Incident rate is number of incidents * 100 then this time divided by number of people. accident frequency rate calculation excel. F = (Number of First-Aid injury x 1000. The fatal work injury rate was 3. However, this should not be the only method used to calculate a company’s internal ratings; companies. Data like HASS/LASS is vital to inform accident prevention. 2 Audit Methodology 14 3. Accident frequency rate formula. That way when one team is experiencing a high number of incidents. The next step is to find the accident frequency rate by your industry. xls / . accident frequency rate calculation excel. 32. Number of accidents. The reason for calculating an accident. of Man-Hours Worked 2 A workplace injury is any personal injury, disease (acute) or death resulting from a workplace accident. Table 2: The breakdown of male lead workers under medical surveillance by highest recorded blood-lead level and industrial sector. The Health and Safety Executive only reports data using the Incident Rate and does not report on Frequency Rates. Total man hours worked = Answer 0. Only fill in the information of cells that are colorless. Total Hours Worked in the past year: 500,000. Higher frequency rates may result in poor credibility of the organization within your industry, higher insurance premiums, and more turnover as employees dont feel protected on site. ) Step 2: Select your major industry group. accident frequency rate calculation excel March 15, 2023 / fifa 22 logo png transparent / in phyllomedusa bicolor for sale / by / fifa 22 logo png transparent / in phyllomedusa bicolor for sale / byThe result is expressed in percentage form. TRIR = 6 x 200,000 / 500,000. In this example, the accident frequency rate is 0. First, select the cells where you want the results to go. Accident frequency rate is one of the standard safety measures which companies use to identify and analyze the number of occupational accidents which take place in the workplace. Are you using this - Number of reportable injuries x 100 000 divided by the totoal number of hours worked. The formula can also be multiplied by 1,000,000 to get the injury frequency rate per million hours worked which is also a popular way of. On March 20, 2023; In. 8. The formula for the mean hazard ratio is the same, but instead of observed and expected at time t, we sum the observations and expected observations across all time slices. The purpose of this paper is to analyse and evaluate the phenomenon of accidents in Polish civil engineering and define the direction of changes that should. Table 3. The U. 86 – go on, grab your calculator and try for yourself. . 9. So, 7 X 1 000 000 = 7 000 000. accident frequency rate calculation excel. Number of Man-days Lost Due to Workplace Accidents Accident Severity Rate (ASR) = No. 4, which means there were 2. Frequency rates are calculated per million work hours Total recordable injury rate (TRIR)2023; Month: JAN: FEB: MAR: APR: MAY: JUN: JUL: AUG: SEP: OCT: NOV: DEC: Monthly Average: 4. The U. then, in the frequency formula: F = (12 x 106)/2,189,243 = 5. Description. A factor of 100 000 is used by HSE for the “AIR” i. 4. 45 deaths per 100,000 workers). injuries requiring medical treatment by a medical professional per million hours worked. accident frequency rate calculation excel 09 Jun. 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. SR Calc Sheet - Free download as Excel Spreadsheet (. 77 however we would sound a note of caution in that these companies may have different transport characteristics to your own. –No. Your AFR number is important for a number of internal reasons and purposes, but it can also have a large impact on external factors including audits and insurances. Posted on April 2, 2023 by . The total recordable injury frequency rate (TRIFR) is the number of fatalities, lost time injuries, cases or substitute work and oth. That is obviously unrealistic, especially for big companies with many employees. LTIFR = 2. 27: Accident Frequency Rate (AFR) and Accident Severity Rate (ASR) in selected sectors, 2017 and 2018 Table 1. 48 dis-abling injuries per million employee hours of exposure. Each member company will have access to its own data in the same Excel format via the data-entry portal: roadsafetybenchmark. E. In this formula, the number of accidents refers to the total number of accidents that occurred during the specified period. accidents 15 16 15 Number of hours worked 8 000 000 6 400 000 4 800 000 Days lost due to accidents 75 85 100 (a) Calculate the accident frequency rate for EACH of the years. Recordable Incidents x 200,000. Lost Time Injury rate follows a simple formula to indicate your performance. 1. 07-18-2019 11:27 PM. An accident frequency rate indicates the number of accidents that occurred in a company per a certain number of. 3), Qantas (24. 4 Behavioral approach. Total number of injuries and illnesses (annually) x 200,000. In many countries, the figure is typically calculated per million hours worked. Multiply the number of accidents per a working hour by 1,000,000 to calculate the accident frequency rate per 1,000,000 hours. pdf (71. Regular use of this formula will show whether or not a company own accident situation is. Occupational fatality rate per 100,000 workers. Formula. Visit Discussion Forum for Online Accident Incident Rate Calculator tool. ([Number of lost time injuries in the reporting period] x 1,000,000) / (Total hours worked in the reporting period) RIFR: Reportable Injury Frequency RateWe would like to show you a description here but the site won’t allow us. Lost Time Injury Frequency Rate: the number of lost time injuries that occurred during the reporting period. Consiltant BV developed PFD Consiltator, an Excel based tool in order to calculate the PFD avg. 1 million in FR/SR calculation indicates - 500 (working)X 50 (weeks per year)X40 (working hours per week) =1000000 man hours. Using this standardized base rate, any company can calculate their rate(s) and get a percentage per 100 employees. 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. 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. Thanks & Regards, Sudhir 11th June 2012 From India, Nasik1. comparable across any industry or group. You can see more AFR industry averages here. Re: Total Recordable Injury Frequency Rate (TRIFR) Sorry forgot the formula. Calculate the Initial Accident Rate (IAR) using the formula shown. is gravity dredging legal in california; national crime agency strengths and weaknesses; chasen joseph schneider; rsm consulting senior. There are others but I think this is what you are trying to calculate. The OSHA DART rate is a safety metric that is commonly used by OSHA to audit high. 1 Definition and Description 33 4. The formula can also be multiplied by 1,000,000 to get the injury frequency rate per million hours worked which is also a popular way of. [1] Press ↵ Enter or Ctrl +⇧ Shift +↵ Enter. Accidents density [accidents/(years*km)]: corresponding to the accident frequency value divided by the length of the considered road section;. Calculate the Expected Accident Rate (EAR) using the formula shown. 63 million flights). Index of lead exposure tables - Last updated 05/23. In many countries, the figure is typically calculated per million hours worked. 1250000 . Note: to compute an "annualized" vehicle accident rate for less than 12 months, it is necessary to multiply the number. Occupational Safety and Health Administration defines incidence rate as the number of injuries/illnesses × 200000/employee-hours worked, where 200000 represents the equivalent of 100 employees working for 40 hrs per week, 50 weeks per year. Feedback can also be emailed to [email protected], with the average TRIR in construction being. Quantity of manhours worked: 365 (# of days) * 12 ( hr/day) * 40 ( employees + contractors) = 175200 manhours. Useful for measuring deficiencies and deviations. Note that Incidents and Hours are linked with a location. The lost time injury frequency rate (LTIFR) is calculated using two pieces of essential information: the LTI within a given time frame, and the amount of hours worked in that time frame. For example, a company operating 6 sites or contracts which has 5 disabling injuries in a total of 1250000-man hours during a period would have frequency rate of: 5 x 200000 = or No. Table 3: Work-related non-fatal injuries to employees in Great Britain, by detailed industry. 3. Calculating Your Company's LTIFR. Now that you’ve successfully calculated your LTIFR, you can use that data to benchmark performance and. if you want RIDDOR AFR only use RIDDOR number of accidents and formula is the same. C = Total number of crashes in the study period. Road Segment Rate Calculation. billie eilish tour merchandise 2022The highest average crash severity was found on 90 km/h roads, both regarding delta-V and mean acceleration. 4 lost time injuries for every one million man-hours worked. DART Rate = ----- DART Rate = ----- DART Rate = 14. =. The Lost Time Injury Frequency Rate (LTIFR) is not an effective measurement of consequence of workplace injury, as an injury requiring one day off work is recorded as an LTI in the same way as an injury requiring several months off work. Steps 3-6: Continue through the steps to drill down to your specific industry. With our new Excel based Safety Metrics & Graphing Calculator Tool, users can perform these basic functions quickly and easily: Automatically generate TRI Rates, DART Rates, LTI Rates and Severity Rates. accident frequency rate calculation excel. 01-23-2022, 01:23 PM #3. Rumus: Incidence Rate = ( Jumlah Kasus x 100) / Jumlah tenaga kerja terpapar Contoh : Masih melanjutkan kasus diatas Incidence Rate = ( 46 x 100 ) / 500 = 9,2% 5. Excel spreadsheets can be quickly and easily updated and tracked against historic numbers, Online calculators and physical calculators can be used to make the calculation but don't have any additional context, Dedicated software gives you a place. Instead of calculating one incident rate for the whole company or location, calculate multiple incident rates, one for each department or team. Kompletní výbavičky i kusové objednávky. Lost Time Injury Days (LTID) is another way to record injury rates. 2017 1. A simple formula for calculating accident incidence (frequency) is to: Take the total number of recordable incidents for the year from your OSHA 300. The crash rate for road segments is calculated as: Where: R = Crash rate for the road segment expressed as crashes per 100 million vehicle-miles of travel (VMT). This is calculated by: number of employee RIDDOR injuries / total hours worked x 100,000). It would be a mistake to say establishments with the highest rates in these files are the "most dangerous" or "worst" establishments in the nation. Please note that the figures do not include accidents involving members of the public (including students) at RGU SPORT. Most companies choose to calculate LTIFR per 1 million man hours worked. 3 Disabling Injury ( Lost Time Injury ) - An injury causing dis- ablement extending beyond the day of shift on which the accident occurred. The reason for calculating an accident frequency rate is to. g. Using these documents, simply plug in the number of recordable injuries and illnesses with total hours worked to find your OSHA incident rate. On the other end of the spectrum, some companies had a perfect 0 TRIFR, while WorleyParsons. gov. Entering an array formula into too many cells can cause errors like #N/A. Incidence rates of nonfatal occupational injuries and illnesses by industry and case types, 2021; Industry NAICS code Total recordable cases Cases with days away from work, job restriction, or transfer Other recordable cases; Total Cases with days away from work Cases with days of job transfer or restrictionnhs final salary pension calculator. Why Was Parker Lewis Cancelled, Nelms Funeral Home Obituaries, Pisces Sun Scorpio Moon Sagittarius Rising Woman, Yamnaya Facial Reconstruction, Articles A. accident frequency rate calculation excel. FREQUENCY Function in Excel returns an array of values; it must be entered as an array formula. Accident frequency rate is defined as the number of deaths and injuries in occupational accidents × 1000000/aggregate number of human-hours, and accident severity as the. Injury frequency rate defines the number of disabling injuries per one lakh man hours worked. accident frequency rate calculation excel 08 Abr. It's usually expressed per 10 n people. Total Recordable Incident RateExample frequency rates Riddor Injury and Frequency Rates 2013/14p for reported injuries Industry4 Major or Specified injuries Over-7-day injuries Riddor ASHE HOUR03 Riddor ASHE HOUR03 Nos Rate5 Frequency Rate Nos Rate5 Frequency Rate A - Agriculture, Forestry And Fishing 292 193. Figure 7: Workplace fatal injury rate for Manufacturing sector, 2009-2018 Figure 8: Workplace fatal injury rate for Transportation & Storage sector, 2009-2018 Figure 9: Workplace major injury rate, 2011-2018 Figure 10: Proportion of workplace major injuries by cause of injury, 2014-2018 Figure 11: Workplace minor injury rate, 2011-2018 OSHA has a published formula for calculating workplace injuries as follows: (# of injuries x 200,000)/400,000. 2 Audit Methodology 35 4. Workplace Injuries cover those sustained by employees and: i. 2. Bureau of Labor Statistics to compare your rate with the same business group. The U. 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. Unless there is a positive action by management, what has happened in the past will continue to happen. (6) Show your calculations at EACH step. RWI or Restricted Work Injury is (a work-related. 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. 00. The rate calculated above is the number of workers who lost time due to an injury or illness for every 100 employees – the more hazardous types of industries such as commercial fishing, logging, or mining are likely to have a higher Lost Time Incident Rate. 25. Yet in the face of numerous operational challenges in. Number of work-related injuries × 1,000 / Average number of employees. 3 Audit Findings 38Incidence Rate for Safety Management . TRIFR = { (LTI + MTI + RWI) x 1,00,000} / Hours Worked. The definition of L. TRIR serves as a retrospective gauge often utilized to quantify a company's safety record, and its computation can be achieved through the formula provided or by utilizing the TRIR calculator furnished below. 0 0. in. 2. The number of accidents is the dependent variable, and the number of employees is the independent variable. 91 people will have died over the specified time period. How to Calculate the Accident Rate. com or call 0121 248 2063. SR is the total number of lost workdays per year × 200000 work hrs/number of workers in a job. 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. PFD Consiltator consists of a simple and more advanced calculation methode. fDART. Find the Accident Base Rate for the project from Table 1. It gives information about how frequently accidents occur. the number of lost time injuries that occurred during the. This is a drop of 22. 0: 4. I would also consider splitting data in to contactor accidents and then the production of an AFR or AAFR (accident frequency rate based on hours worked and RIDDORS and All accident frequency rate) Split the report into laggin and leading indicators - negative lagging - postive are leading (e. It is a measure of the number of injuries per 1,000 employees and is usually calculated over a period of time, e. LTIFR = 2. SR is the total number of lost workdays per year × 200000 work hrs/number of workers in a job. Safety Stock Method 2: Average – Max Formula. 11-12, Edif. 50 Weeks Per Year Incidence Rates are calculated. The formula for calculating a company's incident rate is fairly simple to complete: (The number of incidents in a year x 200,000) / the total number of hours worked by all team members in a year = incident rate. After reviewing and compiling your safety data, you’ve determined that there were six lost time. 9: 7. To calculate a carrier's accident rate, the FMCSA will compare the number of DOT-recordable accidents reported by the carrier on its accident register for the past 12 months to the mileage its. FR digunakan untuk identifikasi jumlah cidera yang menyebabkan tidak bisa bekerja per 1 juta orang. 4: 6. Method 1: Basic Safety Stock Formula. July 30, 2022 - Posted by:. 91 people will have died over the specified time period. Frequency Severity Indicator (FSI) Frequency Severity Indicator adalah kombinasi dari frekwensi dan severity rate. 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. 2020 0. Vehicle Accident Rate: This rate is derived by multiplying the number of vehicle accidents by 1,000,000 miles and dividing by the mileage driven for a given period of time (a calendar year). 5 Conclusions 29 3. The estimated number of full-day equivalent working days lost due to workplace injury (excluding injuries caused by road accidents) and/or work-related illness for people employed in the 12 month. (N/EH) x 200,000 <class=bold>=. My Account Book Now. That number marks the highest number of fatalities since 2007. Fatal incidence rate — the number of fatalities per 1,000 employees for a 12 month period. N = Number of years of data. The formula for calculating incidents is the number of recorded accidents in that year multiplied by 200,000 (to standardize the accident rate for 100 employees) and then divided by the number of employee labor hours worked. Use the Nonfatal Injury and Illness Incidence Rate and Count Lookup Tool to find your industry data in a few simple steps: Step 1: Select your industry sector (Natural Resources, Construction, Manufacturing, etc. , 2007). Now that you’ve successfully calculated your LTIFR, you can use that data to benchmark performance and. 7) and Star Entertainment Group (22. 4: 5. The reason the HSE use 100,000 is that is (depressingly ) the amount of hours you will work on average in your lifetime. 42 LTIF. 7m (203k, +1%. - AFR (Accident Frequency Rate). Lost Time Injury Frequency Rate: the number of lost time injuries that occurred during the reporting period. Incidence Rate. The severe reduction in flight numbers last year compared to the 5-year average magnified the impact of each accident when we calculate rates. In this example, the accident frequency rate is 0. 3 Audit Findings 15 3. Table 1. accident frequency rate calculation excel. 01 (1 accident every 0. A road motor vehicle is a road vehicle fitted with an engine as the sole means of propulsion. Divide that by 2 451 679 and you get 2. 09, collisions per vehicle at 0. Our accident calculator uses the following incidence rate formula: TRIR = (Number of recordable injuries × 200000) / Hours worked. Result: 2 * 1 000 000 / 175200 = 11. The formula is as follows: ( [Number of lost time injuries in the reporting period] x 1,000,000) / (Total hours worked in the reporting period). If there has been no RIDDOR reportable accidents in 5 years and then 1 happens say, this year, can I use the total hours from the last RIDDOR in my calculation or does it have to be calculated solely on the current year's hours? Thanks. Table 2: Work-related fatal injuries to members of the public in Great Britain, by detailed industry. Multiply the number of accidents per a working hour by 100,000 to calculate the accident frequency rate per 100,000 hours. Source. In the formula, 200,000 signifies the total number of hours worked by 100 employees over the course of a year and results in a. 10. Two things to remember when totaling. 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. Where 200,000 is the # of hours worked in a calendar year by 100 employees and 400,000 is the total # of hours worked in a calendar year by all employees. Rate Calculation: An incidence rate of injuries and illnesses is computed from the following formula: (Number of injuries and illnesses x 200,000) / Employee hours worked = Incidence rate. See how your rates compare to the industry average TRIR for your industry (based on NAICS codes & BLS. This is done by using the average hours worked to provided estimates: Incidence Rate * 10 / (average Hours per week * Weeks per Year) Severity Rate = No of Days lost x 1,000/Total No. 2%) were minor injuries. 5 2 2. Rumus: FSI = ( Frekwensi Rate x Severity Rate) / 1,000Total case incident rate; Precursor events including: Equipment failures; Near misses;. LTIF Example. Terjadi 60. Multiply the number of accidents per a working hour by 100,000 to calculate the accident frequency rate per 100,000 hours. The Lost Time Injury Fatality Rate calculator can now be seen on the Data website. (N/EH) x 200,000 <class=bold>=. The crash rate for road segments is calculated as: Where: R = Crash rate for the road segment expressed as crashes per 100 million vehicle-miles of travel (VMT). 4. Generally, a good TRIR safety rate would be around 3. The output of this all injury frequency rate calculation is your AIFR 'score' and indicates how many injuries are suffered when standardised across 100 employee working 40 hours per week for one year. hartford courant obituaries new britain, ct. 4. TRIFR calculation = (Recorded fatalities + LTIs + other injuries x 1,000,000) / Employee total hours worked. There is a mix of Office and Warehouse Staff. 11 febrer, 2022 paragould high school basketball. Multiply the number of accidents per a working hour by 100,000 to calculate the accident frequency rate per 100,000. The Function Arguments window pops up. For more information about accessing the statistics, please email infocentre@rospa. . Use the tabs at the bottom of each MS Excel window to flip between graphical and tabular presentations of the number of accidents/incidents reported to the OHES Office. 91 per 10,000 (n = 4) would mean that in every group of 10,000, approximately 8. 3. 1 Major Injury rate 17. Calculating Lost Time Injury Frequency Rate. The CPM estimates the frequency of crashes expected on a roadway based on its geometric design and traffic characteristics. 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. 3. accident frequency rate calculation excel. Pros:Recordable Injury Rate Total injuries & illnesses? Incident Rate DART Rate Total Days Away, Restrictions or Transfers? Days Away Restricted or Transferred (DART) Rate. Multiply the number of LTIs by 1 000 000 and divide the result by the number of hours worked and there you have it – the LTIFR. The calculation is based upon the number of lost time injures within a given period. 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. This is in contrast to the lost time inju. An OSHA Incident Rate calculator makes it easy to follow through with a TRIR calculation. Industry benchmarking. of accidents + No. To calculate your LTIFR, simply plug those numbers into your formula: (6 x 1,000,000) / 2,500,000. This calculator helps new employers estimate their insurance premiums before signing up for coverage. Switch back to default view. 61 1. Regular safety training sessions both in the classroom and through. This translated to a fatal injury rate of 1. DOC (Size: 55296K)accident frequency rate calculation excelneeded revision, particularly in respect to the methods used to calculate injury rates. (b) Comment on why the organisation should be concerned about the accident frequency rate. Accident frequency rate formula. An accident frequency rate indicates the number of accidents that occurred in a company per a certain number of hours worked by all employees. reportable accidents** per 100,000 man-hours worked (orVehicle Accident Rate – Criteria for Reporting & Calculating 12. Ada beberapa istilah statistik K3. r. Generally, a good TRIR safety rate would be around 3. ÈE>% hn„ÔË‚ü}ø5ùN2 ˜ L Ù‚'×ó f [ >Ãhí R†` Pêy ó¹± ñθŠ üé–Ô2¾bK —Óé åF Ða j 2ŸÝ‚=© ýÜàß;% R“ìf÷MU f’œ J×Z LÌb!9 ß*„νuÀ„/ B¥rë$2º{ ó„ åt |?Ò&« #£0_Jë?aê' ê;§³: ·> ×î. Database of all members’ fleet safety data, in an Excel format, including basic pivot tables. 12 and the average figure for collisions per million miles stands at 3. accident frequency rate calculation excel. 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. doc (Size: 10240K) Accident video. Thanks & Regards. pdf), Text File (. 5: 5. nestle splash water dollar general. Severity rate = Man days Reportable lost due to lost time injury × 1 000 000 / Man - hours worked. I am finding it very difficult to work out accident frequency rates. After a thorugh research, i found. Safety Incident & Injury Calculator. SR is the total number of lost workdays per year × 200000 work hrs/number of workers in a job. The most important rates in road accident analysis The different rates are appropriate for specific reasons. Dear friend, It is optimization of the safety result (FR/SR) w. 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.