SN curve is a g. Submitted By: toyota@st162. More than 3.5 million people are employed as shift workers in the UK. <> All Rights Reserved, Infrastructure Safety Leadership Group (ISLG), Prevention through Engineering and Design, Management of Occupational Road Risk (MORR), Construction, Design and Management (CDM), Occupational Health and Wellbeing Strategy, Drugs and Alcohol standard (Network Rail colleagues only), Drugs and Alcohol standard (supplier page), Designing for Low Whole-Life Carbon (WS13), Weather Resilience and Climate Change Adaptation, Weather Attributed Schedule 8 and Schedule 4 Data, HSE Fatigue and Risk Index (FRI) Calculator. Number of cycles related to mean low cycle fatigue limit. HSE aims to reduce work-related death, injury and ill health. There are days and nights, the seven day fatigue resets for those working days after 36 hours off, for those working nights it resets after 48 hours. Fatigue can lead to errors and accidents, ill-health and injury, and reduced productivity. Tools and templates. stream Following feedback we are making the tool available, as well as how to documents, to aid with calculations. 2 0 obj Managing fatigue offers measurable benefits and return on investment, including: increased productivity. increased employee motivation. If the calulator is no longer available I wonder where this leaves this requirement. staff buy-in to managing fatigue on- and offline. The information and data contained on this page including but not limited to the fatigue calculator has been developed for Energex employee purposes only and should'nt be relied upon for any other purpose/s. Discuss controls with crew/team and with Supervisor. The legal duty is on employers to manage risks from fatigue, irrespective of any individual's willingness to work extra hours or preference for certain shift patterns for social reasons. TUC working time webpages. Terms of use - Im at work and can out post an Image of my spreadsheet so I will have to do it when i'm at home. HSE Research Report 446 (2006) (available on HSE 's website in the 'Research' pages). HSE Fatigue Risk Index calculator RR46- No longer available? Essentially fatigue needs to be managed, like any other hazard. This calculation has been checked against three published calculations. stream Short Description: Submitted By: JohnDoyle[Admin] Submitted On: 24 Mar 2011. Problems with overtime and shift-swapping may indicate inadequate resource allocation and. Risk assessment may include the use of tools such as HSE's 'fatigue risk index'. 7 0 obj !! 6A)L7YA/j.2 jl$~KCK3n4lMAExT_g|8V&^/DZXvI"9a%v~s)()jgakKU)dbz{#7 :SLu41wcGs>O$6pjR0B$=hlzhT766iT=v|sW uIkOAKUcb1?giMvzKdbS9XTW_OfN+xGr9S K~%;: )R {! BW8:1tKkwi% 2oej-uSGQV4_[o7q;w+}"+k=++ S\&zP{b!~-} ~on 3g. This Excel spreadsheet has been developed as a simple tool to Having downloaded the spreadsheet, save and use this version as a template for future assessments. <> Wilson The calculators in the links below (ETB and Stacie Glass), US +1 617 5008224 The development of a fatigue/risk index for shiftworkers, HSE report RR446, HSE, UK. The design of the FRI requires improvement to promote better understanding of its outputs, its limitations and its role in a Fatigue Management System. Part 1 introduces the causes of fatigue and the FRMP concept. but was interested why the HSE has removed the links to the excel from the web site. Here is a sample of the spreadsheet.. HSE fatigue calculator, UK and guidance document . Fatigue calculator The fatigue calculator is designed to help keep our staff safe. Rating: 0 . Login or register to use them Postings made by forum users are personal opinions. This tool is no longer available on the HSE website but they say you can "continue to use it provided you have the necessary expertise to use the tool and understand the outputs and limitations", Here is a link to a copy of the Calculator BUT PLEASE READ AND BE MINDFUL OF THE FOLLOWING EXTRACT FROM NETWORK RAIL'S STANDARD. However, a planned and systematic approach to assessing and managing the risks of shift work can improve the health and safety of workers. These are the workload, the work activity, shift timing and duration, direction of rotation and the number and length of breaks during and between shifts. x\TW$fe$jj"e* *bAwE!A^f9w@Cs_~3{)o\ DUjP>_~.1??>}o }+2LF&+}5r[K&xtkK*S\.:+d"i LQ)j=ZZ/ALg8{q%F @? Please carefully consider any advice you receive. This sheer diversity of work and workplaces means that there is no single optimal shift system that suits everyone. Your likelihood of fatigue Sleep history Sleep in the 24 hours before starting work Sleep in the previous 24 hours Total sleep in the last 48 hours = 14 hours Awoke today at Calculate It may not display this or other websites correctly. Purpose of calculation: Produce Wohler /S-N Plots and Goodman Diagram Plot. IOSH is not responsible for the content or accuracy of any of the information contained in forum postings. Load Example Employees should be consulted on working hours and shift patterns. The Excel spreadsheet is available for downloading on HSE's website. The FRI should not be used on its own to consider a roster or selection of rosters. appropriate a particular roster is, and these include: a) quality and length of sleep between shifts; b) whether rest breaks are taken as detailed within the tools default settings; c) personal preference (are people morning/evening/night people? It is important not to underestimate the risks of fatigue. ) {cy1>'EbM\'u31C'U=xcRF ;sW( q 5ZjI'{X%fv!jTE)qteb-l)n-mzWXD5/ClfC'{m8|1 \zF4"j<0tSm~) : l;{u|7,s$oZws,d]D,lb:p"1h*RFzTdlez4+Q2hEB(+~4+Lo wZ5[jm/O|$+;v],Hs^lDH>D!YG obt{BJ7*"R8o"9wC/9gQ'o#t '.Xf=/}0uzHQC*>1 o+Mh,8C\*.ask`Fo:J1|~aN x:HH% ~Itrk;>x n))KX-plrk+g~C,92)1/q-,8Fvam. All rights reserved. Make arrangements to convey worker home. <> On the 8th day we are in exception and we cannot work until we reset we work shift work so the day shift will reset after 36hrs night shift reset after 48hrs and then we can work another 7 days. For example, the proposed, time varying reversing loads on . 1) Input Applied Stress 2) Input Material Data 3) Include Cast Factor (reduced fatigue performance due to casting defects). Number of cycles related to mean high cycle fatigue limit, Allowable alternating stress - Soderberg (conservative), Allowable alternating stress - Goodman (steel, aluminium & titanium), Allowable alternating stress - Gerber (less conservative), Allowable alternating stress - Smith (cast iron & magnesium), Rough turned (peak to valley height 30m), Turned/rough ground (peak to valley height 12m), Fine turned (peak to valley height 6.5m), Fine ground (peak to valley height 2.5m), Lapped/rough polished (peak to valley height 1m), Mechanical Engineers Data Book (J.Carvill), Machine Design-Theory & Practice A.D Deutschman, W.J Michels, C.E. It is also related to workload, in that workers are more easily fatigued if their work is machine-paced, complex or monotonous. The calculator will estimate how much of the burden can be avoided with programs implemented in the workplace. Education on individual, responsibility, health and wellbeing lifestyle choices on managing fatigue outside of. endobj 3 0 obj endobj I'm in the same position of needing to use the calculator as a rail requirement and fortunately having downloaded it. Easily Editable, Printable, Downloadable. Implement the policy and make arrangements to monitor and enforce it. Privacy policy. The fatigue calculator is designed to help keep our staff safe. Fatigue Risk Index Calculator This calculator produces a risk score and a fatigue score which may support compliance with NR/L2/OHS/003. Iamtrying to find out whether there is a wider issue with its applicablity, usefulness etc.. For backgroundon a very basic level the current Rail standards and the upcoming new ones require work patterns/rostas to have been fed into the FRI calculatorand acheive below a certainlevel for day and another for night. ); e) whether sufficient rest is actually obtained on rest days; f) changes in workload on site and environmental conditions during the work. https://www.hse.gov.uk/research/rrhtm/rr446.htm, Welcome Guest! Does anyone know why the HSE Fatigue Risk index calculator links have been removed from the HSE web site? The research report outlining the work carried out to revise and update the HSE Fatigue Index (FI) is available below. Calculation Procedure1) Input Applied Stress, 4) Determine Modifying Factors for High Cycle Fatigue Limit. HSE Fatigue Risk Index calculator RR46- No longer available? Consider whether high risk tasks should occur. control fatigue risks. Fatigue Risk Management Chart Free Download this Fatigue Risk Management Chart Design in Excel, Google Sheets Format. Or is this from a bulletin? Controls may include increased supervision, task re-assignment, buddy check, arrange back-up, transport alternatives may be required. Download PTA Fatigue Calculator App and enjoy it on your iPhone, iPad and iPod touch. This includes a limitation of drivers hours by negotiation of the following: An average 32hr, 4 day week over the yearly roster cycle for all our members with special cognisance of shift patterns and fatigue. Hi, The British Health and Safety Executive (HSE) have produced a fatigue calculator for shift workers which was produce in MS Excel. 5) Calculate High Cycle Fatigue LimitFatigue limit at zero mean stress, Calculation ReferencePetersons Stress Concentration Factors Machinery's Handbook 18th ed. Find out your likelihood of being fatigued in three easy steps. <> It's always been like that at least as far as I can remember. the software platform, on which it runs is an older version of Excel that can no longer be supported and maintained on the HSE website. The publication is divided into two parts. It may just be a web site issue but Am i missing something? Load the Process called "TL_Goodman and Damage calculation.tbd" In the new menu, select the Material Excel XML sheet as shown in Figure 14. dunno.. :). endobj 4 ENTERING DATA The spreadsheet uses a number of macros to calculate the Fatigue and Risk Indices. HSE Fatigue Risk Index (FRI) Calculator Fatigue Risk Index (FRI) Fatigue Risk Index (FRI) been withdrawn the HSE website. In its current format, there have been case of the FRI being issued in order to justify work patterns that clearly require further action t reduce fatigue-relate risk. Both are available from HSE's website at: http://www.hse.gov.uk/research/rrhtm/rr446.htm Charts Summary Schedule Constants Company Location Date Day The IOSH forums are a free resource to both members and non-members. 6 0 obj Note the assessment on HazChat. Determine cut off stress. Below is a quick access list of those tools: The user guide which outlines how to use the FRC can also be found below. Using the FRI tool in Excel You can access the FRI tool, created by HSE, on the Fatigue Reduction SharePoint site.You can save it so you can access it easily next time you need it. Lighting, thermal comfort, noise and vibration, Extract from inspectors human factors toolkit Managing fatigue risks, Managing shift work: Health and Safety Guidance HSG 256, Reducing error and influencing This is possibly related to the probability of a high stress interacting with a critical flaw within a certain volume, i.e., when the volume is large there is a higher probability of failure. endobj Metal Fatigue Excel Calculations, is a 5 Professional Development Hour (PDH) online course having a series of input fatigue data and solved output equations in an Excel format. V Fatigue results in slower reactions, reduced ability to process information, memory lapses, absent-mindedness, decreased awareness, lack of attention, underestimation of risk, reduced coordination etc. Fatigue has also been implicated in 20% of accidents on major roads and is said to cost the UK 115 - 240 million per year in terms of work accidents alone. Calc opens the file but the vast majority of formulai are missing and from within Calc it is unusable. Fracture and Fatigue Calculator.xls. Stop Work (or do not commence). Stop Work. Here is a sample of are schedule, work 4 days, off 7, work 4 nights, off 3, work 3 days, off 1, work 3 nights, off 3,then starts over on the 4 days. To access the fatigue risk calculator please visit the HSE website via the link provided. Determine the relationship between the fatigue limit and the tensile strength. Note the assessment and actions on HazChat. % The maximum working day not to exceed 9 hours 30 minutes, or between 8 and 9 . Advise Supervisor if appropriate. Stress tool went a while ago - then i attended a webnare a few weeks ago about the new online MAC tool which turned out to be a sales pitch! Mean high cycle fatigue limit factor ('mean' represents a 50% survival limit). You can get the tool itself (an Excel Spreadsheet), and the User Guide free here RSSB information on fatigue and shiftwork 2 This is the critical size for fast fracture, and make a note of the number. Controls may include self and peer monitoring, task rotation, increased breaks, pacing work load. I hope it works. This is probably the most common fatigue tool in the rail industry, and based upon published scientific literature on fatigue, alertness, sleepiness, and occupational injuries. Use Data, What-If Analysis, Goal Seek to find the correct input cell value to reach a desired result, Here is a sample of the spreadsheet each cell is a dropdown list of peoples names that can work that job post. Guidance is provided for general bolted joint design, computation of preload uncertainty and preload loss, and the calculation of the bolted joint factor of safety. -, YAF.NET 2003-2023, Yet Another Forum.NET. > ~ M i T R { f u o " P C o m p O b j p i 2 1 + % n` ` $$ $ # Frame4094 ( g 0 4 Label339 , h D CommandButton3 v > $ % &. by mobile. The calculator contains two separate indices, one which relates to fatigue ( Fatigue Index) and one that relates to risk (Risk Index). This is beyond my skill set but I'm willing to learn. 8 0 obj The tool does not take into account a number of factors that may impact how. Questions about the calculator? "4[TkL\u>LnU`8'+.i4RmYM,:mqf_:WK(Thy:g{w)vJL5FsSwra1~q"jI,- #[DCs/ wEy}h_buiQzS[>y&M}&ziqW+SkSkhGpZ?t.Ml;xB>Z#P 5#3SjkKK_wbR|jNbQg~, Do=)}_VU0V{ +S#6V/{R~N*|{:wdn"A|8mM8~SBQ{]NIPI!$mR.O:,jI( OSH}XwVG|J2;M-%)DQ)gR7Fn$n<>=&5^4$T?-&Wxc:A:}g#1! JavaScript is disabled. Hence, when the size increases, the endurance decreases. Downloads: 11. > ~ M i T R { f u o " P C o m p O b j p i 2 1 + % n` ` $$ $ # Frame4094 ( g 0 4 Label339 , h D CommandButton3 v > $ % &. endstream I do have a copy that is not the issue. Size Factor - The endurance limits of specimens have been observed to vary with their size. https://roymech.org/Useful_Tables/Fatigue/Fatigue_index.html, http://materials.open.ac.uk/mem/mem_mf.htm, Click here for information on subscriptions, Produce Wohler /S-N Plots and Goodman Diagram Plot. sorry about this. Cell formulae checked using XLC. In its current format, there have been cases of the FRI being misused in order to justify work patterns that clearly require further action to reduce fatigue-related risk. See the instructions within the documentation for more details on performing this analysis. Fatigue and Risk Index Calculator - Nottinghamshire Police Authority Fatigue results slower reactions, reduced ability process information, memory lapses, absent-mindedness, decreased . assurance of compliance with relevant H&S regulations. You must log in or register to reply here. As I said I can still get hold of the FRI tool , direct download , links from the NR documents etc. Fatigue needs to be managed, like any other hazard. the design of the FRI requires improvement to promote better understanding of its outputs, its limitations, and its role in a Fatigue Risk Management System. Download this Template Google Sheets Excel Attribution required Know more Get access to all Documents, Designs & Templates Easily Customizable Instant Downloads endobj There are many different shift work-schedules and each schedule has different features. Login or register to use them. HSE Fatigue and Risk Index (FRI) Calculator The Fatigue Risk Index (FRI) The Fatigue Risk Index (FRI) has been withdrawn from the HSE website. Determine the fatigue strength of a material. Other features of the workplace environment such as the physical environment, management issues and employee welfare can also contribute to the risks associated with shift work. by Skype or Alternatively, since there appears to be a more pronounced size effect in reversed bending and/or torsion than in the reversed axial loading situation this suggests that the stress gradient at the surface is partially responsible for the size effect.Surface finish factor. %PDF-1.7 What kind of formula can I use to calculate how many days a person works and knows when that person reaches the 7th day and resets after the alloted time. 3 Put the crack size back to initial crack size. I'm fairly new to Excel and I need help with a spreadsheet that I use for scheduling. Are fatigue schedule says we can work 7 straight day without being an exception. Just googled fatigue index caculator xlsstill shows version 2.3 http://www.hse.gov.uk/research/rrpdf/rr446cal.xls. On the 'Home' page look in the drop down menu under 'Tools'. This may include developing a robust system of recording working hours, overtime, shift-swapping and on-call working. Downloads . Fatigue and Risk Index Calculator v2.3 Before using for the first time, users are recommended to read the user manual and the research report describing the tool development (especially section 2). This method loads the specimens by reversed bending. Why does modifying the Applied stresses in the first part modify our SN Curve ? One way of doing this is to use HSE's Fatigue and Risk Index. I need a formula to calculate fatigue days after 7 days straight of working to show up in red. There are a number of tools associated with the Management Standards process provided across this website which are free for you to use or share with your colleagues. ))OT%_pXv13UiuYf>;@;L}GB#Um=E/,070}9W[ u@I0W2 Y#ER(M}\Ht)Z;nw6m7:SXAQ ih{\~Wbm-;K,kjDPRdh{hjjnk-[Y:hUmmUs/{Mj]UQA/{B&7n4Y`>J.8vS75(7uEj^p}szjq%wG{:xp;rH7gbl[KDVCd?*PCgrmh$ZZ,^[^DhD `OKEC&{!S[5e6"a7+@ Never mind just make sure your XLC is engaged properly. The National Safety Council has teamed with Brigham and Women's Hospital to develop an easy-to-use online tool, where employers can receive a tailored estimate of how much fatigue is costing their bottom line. Postings made by forum users are personal opinions. Axial loads, shear loads, thermal loads, and thread tear out are used in factor of safety calculations. Ground. Mechanical Engineers Data Book (J.Carvill) Machine Design-Theory & Practice A.D Deutschman, W.J Michels, C.E. behaviour (HSG48), The development of a fatigue / risk index for shiftworkers, Guidance for managing shiftwork and fatigue offshore, Effect of shift schedule on offshore shiftworkers' circadian rhythms and health. :Tw|aaDA~8A:qtDOGf01i4z/UJj 9{~h[Ph@u^Q^}wz8CXrpL&G~'pd(H5CH1c]0*eP2C0&F4R$NnvaVsWWI I need help. Sadly sounds like its going to become another pay to use tool to me - like the Stress Management and the Recent online MAC tools. These should be considered at a local level when reviewing the roster and, judgement made about the impact they might have. The student will type numerical values for machine design parameters and Excel will perform the calculations. sorry yes from my searching too it isn't obvious and only the research report is indexed directlycould just be admin that has dropped it off as an unindexed linknot suere there is anything untowardmaybe just human error. So I need a formula to calculate fatigue days after 7 days straight of working to show up in red automatically. Copyright 2023 Energex. No warranty or representation is made as to its accuracy or completeness. Find out your likelihood of being fatigued in three easy steps. Good to go? Once you click calculate, you will be taken to your results, where you will be able to generate a PDF report and see a detailed breakdown of the calculation. LM MMH Data Collection Sheet_Metric(pdf), NIOSH LE Calculator English Units(Excel), Revised Strain Index Calculator English Units(Excel), 915 Partners Way, Campus Box 7906, Raleigh, NC 27695, Ergonomics Culture and Program Development, Industrial Ergonomics Process Workshop (IEPW), Office Ergonomics Accreditation Program (OEAP), Advanced Topics in Office Ergonomics (ATOE), Ergonomics Training for Managers and Supervisors, Deep Dive Ergonomics Analysis Tool Matrix (Excel), Revised Strain Index Calculator English Units, We have a full-service office in Colorado Springs, CO, We offer specialized training for engineers, We can help you build a world-class ergonomics program, We have a full-service office in Charlotte, NC. Mailing Address Campus Box 7906 NC State University Raleigh, NC 27695-7906 Send Us an Email 919.515.2052 Physical Address 915 Partners Way, Room 4201 They work in a wide variety of industries including the emergency services, healthcare, the utilities, transport, manufacturing (including oil, gas & chemical industries), entertainment and retail. HSE Fatigue Risk Index calculator RR46- No longer available? I need a formula to calculate fatigue days after 7 days straight of working to show up in red. Discuss with team/crew, decide on appropriate controls. Managing shift work - Health and safety guidance. Additionally, limited guidance is provided for fatigue considerations. The 2010 AAD updated the ASLEF Health and Safety Charter. What kind of formula can I use to calculate how many days a person works and knows when that person reaches the 7th day and resets after the allotted time and looks into the future to see if that person works he wont go into Exception on his regular shift.. It is often a root cause of major accidents eg Herald of Free Enterprise, Chernobyl, Texas City, Clapham Junction, Challenger and Exxon Valdez.. An app to measure fatigue levels. See the reference section for details on the methodology and the equations used. ACTU reasonable hours campaign, Australia. Click the "Run" button in the lower left of Simcenter Testlab Neo. I use this when during staff negotiations on various shift patterns. While the two indices are similar in many respects they diverge in others. Determine the number of constant load cycles until the beam will suffer a fast fracture. Determine the fatigue strength of a material. It is generally considered to be a decline in mental and/or physical performance that results from prolonged exertion, sleep loss and/or disruption of the internal clock. I don't see this on the HSE website - is there a link to it there? Use Excel curve fit functions for SN curve, Calculate allowable alternating stress for known number of cycles, Calculate allowable number of cycles for known alternating stress. Email us. You are using an out of date browser. Stress intensity factor. The key considerations should be the principles contained in HSE's guidance. 1 Use Excel Goal seek to change crack size until fracture ratio = 100%. During investigations evidence on possible fatigue should be sought. Figure 14: Loading the Material Excel XML Sheet. The reasons for this are: The software platform is an older Excel that can no longer be supported on the HSE website. Poorly designed shift-working arrangements and long working hours that do not balance the demands of work with time for rest and recovery can result in fatigue, accidents, injuries and ill health. Determine the fatigue limit. Both SN curve and Goodman diagram are commonly used approaches to study fatigue in engineering and material science. FATIGUE CALCULATOR FATIGUE CALCULATOR HSE Fatigue and Risk Index (FRI) Calculator This tool is no longer available on the HSE website but they say you can "continue to use it provided you have the necessary expertise to use the tool and understand the outputs and limitations" For example, the incidence of accidents and injuries has been found to be higher on night shifts, after a succession of shifts, when shifts are long and when there are inadequate breaks. FRI fitted the requirement and was made available to UK industry hosted within a a simple spreadsheet with consequentially limited usability and functionality. Not sure where this leaves the new current and new Network rail standards which mandate it ? Network Rail 2008-2015. The reasons for this are: FRI users who have access to the FRI in its current format can continue to use it provided you have the necessary expertise to use the tool and understand the outputs and limitations. <> The Fatigue Risk Index (FRI) has been withdrawn from the HSE website. Shift Work Fatigue Calculator by BGW Sat Oct 04, 2008 7:04 am BGW Tip: Buried deep into the HSE website is this excellent tool for measuring the levels of fatigue across different shift patterns. There are also a number of templates for you to use as a starting point. High risk tasksshould not be performed. reasons this are: software platform an older Excel can longer supported the HSE website.. For a better experience, please enable JavaScript in your browser before proceeding. <>/ExtGState<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 595.32 841.92] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Night workers are particularly at risk of fatigue because their day sleep is often lighter, shorter and more easily disturbed because of daytime noise and a natural reluctance to sleep during daylight. Changing a 'NETWORKDAYS' formula to just 'DAYS'. However, note that employees may prefer certain shift patterns that are unhealthy and likely to cause fatigue. Read reviews, compare customer ratings, see screenshots and learn more about PTA Fatigue Calculator App. Right to information - I got my copy of the calculator through the research report. Be sure to edit the file with the desired material data if needed. Welcome Guest! Develop a policy that specifically addresses and sets limits on working hours, overtime and shift-swapping, and which guards against fatigue. 5 0 obj Compliance with the Working Time Regulations alone is insufficient to manage the risks of fatigue. Surface Finish. Changes to working hours need to be risk assessed. Discuss contingency with supervisor. Not one i have ever used, but sadly the HSE seem to be putting more and more of these out to private companies to mainatain who then charge. by mobile, EU +44 113 8152220 Determine the relationship between the fatigue limit and the tensile strength. endobj Working Time Regulations, BERR website. /)$+3SYZ83dc>%sRs)\b-1"UQ`:p].5F4|>]H_fgXtd1jvU`$R ^1hef,DGpKUzz 9 0 obj 1 0 obj optimised alertness and decision making. To assess an individual or group using actual worked data, such as submitted timesheets, to establish fatigue risk when changing a roster or authorising overtime. Download: Fatigue and Machine Design Excel Spreadsheet Calculator. Wilson, The calculators in the links below (ETB and Stacie Glass), High notch sensitivity for Brittle/Hard Materials q=1.0, Very perfect material is significantly damaged by addition of a notch, Low Notch sensitivity for Soft Ductile Materials. 2007-2023 MoreVision Ltd. All Rights Reserved. IOSH is not responsible for the content or accuracy of any of the information contained in forum postings. i6ho-d}1d>x:^6;[>gAMdiL{gqa1G X$zyg/bF_"HK"SW=;'b@K$wv}h5c f?9\O d,khI%/M`uN*JXc`4-,vG#d2-N_:tg,Zr6jPt^yAy9|u1XZy%pg <> Fatigue results in slower reactions, reduced ability to process information, memory lapses, absent-mindedness, decreased awareness, lack of attention, underestimation of risk, reduced. Note the assessment and actions on HazChat. The Bolted Joint Analysis calculator allows for stress analysis of a bolted joint, accounting for preload, applied axial load, and applied shear load.
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