SAVeRS Tool Manual
Contents
1. 2 3 ASSESSMENT OF CRASH CUSHIONS When after Step 3 of the barriers assessment you decide to click the green Evaluate crash cushions button a new spreadsheet will automatically appear It consists of 3 basic sections e Upper section e Predicted crash conditions e Predicted crash speed conditions Step 1 In the upper section the inputs for the evaluation of crash cushions are given The grey cells are taken directly from the detailed assessment of the barriers The user has to provide inputs in the light orange cells You can read a short description of the data labels in the list below List and short glossary of data labels Number of crash cushions number of cushions you have in your segment Shoulder width m with of the shoulder adjacent to the cushion Barrier offset m if the side of the cushion is not on the outer edge of the shoulder the distance between the edge of the shoulder and the closest edge of the cushion has to be given Influence length per crash cushion m length of a section in approach to the crash cushion where a ROR can affect the cushion in meters The default is calculated as the d C E R 22 XY y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads CEDR Call 2012 Safety Use of Vehicle Restraint Systems lower value of the Run Out Length except where the crash cushion is located2. CEDR Transnational Road Research Programme Call 2012 Safety Use of Vehicle Restraint Systems R ie CED XY wy Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads Funded by Belgium Flanders Germany Ireland Norway Sweden United Kingdom SAVeRS User manual for the SAVeRS Tool Deliverable D4 2 May 2015 Partners University of Florence Italy TRL Ltd United Kingdom owedish National Road and Transport Research Institute Sweden Trinity College Dublin Ireland Slovenian National Building and Civil Engineering Institute Slovenia AIT Austrian Institute of Technology GmbH Austria Parsons Brinckerhoff United Kingdom Belgian Road Research Centre Belgium CEDR Call 2012 Safety Use of Vehicle Restraint Systems ____ CEDR 2012 Safety Use of Vehicle Restraint Systems SAVeRS Selection of Appropriate Vehicle Restraint Systems User manual for the SAVeRS Tool Due date of deliverable 31 12 2014 Actual submission date 03 03 2015 otart date of project 01 01 2013 End date of project 31 12 2014 Authors of this deliverable Bine Pingal Slovenian National Building and Civil Engineering Institute Slovenia Francesca La Torre University of Florence Italy PEB Project Managers Alastair De Beer National Road Authority Ireland Mats Pettersson Swedish Transport Administration Sweden Version May 2015 CEDR Call 2012 Safety Use
3. SCREENVIEW 2 Predicted Crash Conditions ROR Events possible cushion related crashes Diverge area multiplier RoR Likelihood Cars possible cushion related crashes per year per single device return time of a possible cushion related crash years per device possible cushion related crashes RoR Likelihood Trucks amp Buses HGV possible cushion related crashes RoR Likelihood TOTAL possible cushion related crashes per year per single device possible cushion related crashes per year persingledevice__return time of a possible cushion related crash years per device return time of a possible cushion related crash years per device List and short glossary of data labels Diverge area multiplier ROR likelihood cars ROR likelihood trucks amp buses HGV ROR likelihood TOTAL Possible cushion related crashes Possible cushion related crashes per year per single device factor that accounts for the increased number of crashed in diverge areas only applicable for motorways for more details refer to chapter 5 1 of the Guideline computed likelihood that the ROR crash of a passenger car will happen on the analysed road in the cushion approach sections computed likelihood that the ROR crash involving a HGV trucks buses will happen on the analysed road in the cushion approach sections total likelihood that the ROR crash will happen on the analysed road in the cushion approach s
4. HGV trucks buses will happen on the road with given parameters single vehicle run off road crashes this term is the ratio between the HGV ROR risk number of HGV ROR crashes divided by the HGV km travelled and the total ROR risk number of ROR crashes divided by the total km travelled For more details refer to chapter 3 3 2 and 3 3 3 of the Guideline This value is linked to the model chosen and therefore it can be changed only by defining a new model see Step 3 or by manipulating the existing ones not recommended Impact Kinetic Energy distribution for passenger cars and for HGVs For more d C E R 1 2 XY y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads CEDR Call 2012 Safety Use of Vehicle Restraint Systems details refer to chapter 3 1 of the Guideline You can choose one of the pre existing distributions or define a new one To do this click on the Edit USER Defined passenger car impact or Edit USER Defined HGV impact Overall design level cars HGV Of crashes that are potentially contained by the barrier with IKE not above the containment level of the barrier Design level Of crashes that are potentially contained by the barrier with IKE not above the containment level of the barrier for a specific vehicle category cars or HGV Potential penetrations number of crashes in the design period that will potentially penetrate the barrier with IK
5. Roads CEDR Call 2012 Safety Use of Vehicle Restraint Systems Lifetime Cost Currency The unit costs of the barriers used are summarized in the last table of the sheet as shown in Screenview 6b SCREENVIEW 6b H1 Roadside DROBB GreatBritain SAVeRS Printing the results To print the results of the calculation in a pdf file just click on the Prints results in pdf file at the end of the page Note the tool will suggest a name which is based on the EXCEL file name If the file exists it will be overwritten without any warning The file is usually saved in your Documents folder but this could vary depending on the configuration of your computer The final table of the detailed analysis can also be copied and pasted in another excel or word file to compare barriers of different classes for each run only one VRS class can be analysed Resetting the calculation If you wish to make another calculation or you wish to empty all the cells simply click the grey Reset for a new calculation button at the top of the page Then start the data input as described from Step 3 onwards After you have input all required data in the Road and traffic section you have to click on the run crash calculation button and the other sections will appear Continue with the procedure as described from Step 4 onwards C E R 20 Ww y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of R
6. selection can be replaced by choosing the USER DEFINED option but in this case the user has to define a specific IKE distribution Conf rence Europ enne 9 des Directeurs des Routes Conference of European Directors of Roads CEDR Call 2012 Safety Use of Vehicle Restraint Systems Type of road HGV distribution PC distribution Motorway with a speed 2 Roadside Motorway Roadside 2 Germany Dual Motorway limit above 100 km h lanes Or US Dual Carriageways Median Motorway Median 2 Germany Dual Carr Motorway lanes or US Dual Carriageways Roadside Motorway Roadside 3 Germany Dual Carr_Motorway lanes or US Dual Carriageways Median Motorway Median_3 Germany Dual Carr_Motorway lanes or US Dual Carriageways limit of 100 km h or below US Dual Carriageways Median Motorway Median 2 Germany Dual Carr Highway lanes Or US Dual Carriageways Roadside Motorway Roadside 3 Germany Dual Carr Highway lanes Or US Dual Carriageways Median Motorway Median 3 Germany Dual Carr Highway lanes Or US Dual Carriageways Undivided two lane two Roadside RSAPV3 Germany Single Carriageways ways rural roads Undivided_fric 0 45 0 6 or US Single Carriageways The German distribution shows a higher probability of having and IKE above the VRSCL only for the N1 class Divided Highway Roadside Motorway Roadside 2 Germany Dual Carr_Highway motorway with a speed lanes or Once the IKE distributions have been selected click the
7. 10 m In version VO of the tool the following set of hazards are considered but a user defined aggressiveness factor can be used 7539009995 Aggressiveness factor Chain tnkiWelded MeshPalisede Close boardedtence pi MM EnvonmentioiseBarierean o Rigid sign lighting electricity post pole and similar non passively safe d C E R 1 4 Ww y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads CEDR Call 2012 Safety Use of Vehicle Restraint Systems Slope Steep high slope Slope Very steep high slope Slope Extremely steep high slope For the definition of the slope configuration the criteria given below could be used based on the UK RRRAP method but different definitions could be applied considering also the requirements of different national standards Falling 1 1 or steeper Slope Extremely steep high slope Falling 1 1 5 1 1 Slope Very steep high slope Falling 1 2 5 1 2 Slope Very steep high slope Falling 1 2 1 3 Slope Steep high slope Rising 1 1 50rsteeper 1 0 5 Slope Steep high slope All other embankment cut conditions if a barrier is required can be considered as no specific hazard 2 2 5 m 0 5 After selecting the roadside configuration and the hazard if applicable click on the Runs severity distribution calculation button and the results of the severity distribution analysis will be shown You can read a short descriptio
8. E above the VRS containment level Potential penetrations return this is calculated as 1 number of potential time years penetrations design period Potentially contained crashes number of crashes in the design period that are potentially contained by the barrier with IKE not above the VRS containment level Potential penetrations return time km this is calculated as 1 number of potentially years km contained penetrations design period x project length in km d C E R 1 3 Ww y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads CEDR Call 2012 Safety Use of Vehicle Restraint Systems E Step 5 In the Severity distribution function section you have to choose the roadside configuration using the drop down menu You can also choose an option user defined To change user defined distributions or hazard aggressiveness factors click on manage severity distribution A new spreadsheet Severity Distribution Functions will appear Be aware that changing any data in this spreadsheet directly influences the calculation procedure of the application If you select Verge roadside as a roadside you will also be required to define a hazard type If the roadside is a tall bridge or a median the roadside hazard type is not applicable and you will not be able to select it A tall bridge is considered a bridge with a drop from the edge to the ground below equal or greater than
9. EDR Call 2012 Safety Use of Vehicle Restraint Systems slopes you cannot use this tool The total distance is calculated automatically Difference in height between the difference in elevation between the road hazard base and the pavement edge and the hazard base see screenview edge dH in 3 When the road is higher than the hazard base this value is negative Type of obstacle select one in the drop down menu between isolated point as a single sign multiple point as a line of trees linear as an acoustic barrier Curvature select one in the drop down menu If you are analysing a straight skip the next two inputs Edge If you are analysing a curve you need to specify if you are analysing the inner edge where the radius is smaller or the outer where the radius is larger of the specific carriageway Hadius If you are analysing a curve you need to specify the design radius usually in the axle of the carriageway opeed limit legal or posted speed limit Design speed the design speed is usually higher than the posted speed For existing roads it might be unknown and some countries provide indications on how to determine it e g the posted speed limit 10 km h or 85th percentile of the actual speed distribution This value is required also for the LON calculation d C E R 32 Ww y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads CEDR Call 2012 Safety Use of Vehic
10. NSSSSSU EHNMNJNZWDXIEOXWNXXJNJJXNJJXWXJJAXO NX JA AJAJXAXNXS yAWAAXZ List and short glossary of data labels Infrastructure analysed this is different from the road configuration and it allows also analysing junctions as these are extremely critical for powered two wheelers Curvature select one in the drop down menu If you are analysing a straight skip the next two inputs Edge If you are analysing a curve you need to specify it you are analysing the inner edge where the radius is smaller or the outer where the radius is larger of the specific carriageway Hadius If you are analysing a curve you need to specify the design radius usually in the axle of the carriageway A set of potential high risk conditions are also listed refer to section 6 of the Guideline for more details For each of these menus the user has to pick YES NO or NOT APPLICABLE The analysis will not run if a selection is not made for all the menus far 39 Ww y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads CEDR Call 2012 Safety Use of Vehicle Restraint Systems LUE SCREENVIEW 2 Motorcycle protection systems pin frastructure analysed Edge mandatory if curvature is not straight Curve radius m mandatory if curvature is not straight Potential high riskconditions ooooooooo O Route where the percentage of motorcyclist trafficishigh 1 Reverse and or insuff
11. at the upper 10 m Design speed km h Segment length m ROR likelihood cars computed likelihood that a ROR crash of a passenger car will happen on the analysed road in the terminal approach sections d C E R 27 y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads CEDR Call 2012 Safety Use of Vehicle Restraint Systems ROR likelihood trucks amp buses HGV computed likelihood that a ROR crash involving a HGV trucks buses will happen on the analysed road in the terminal approach sections ROR likelihood TOTAL total likelihood that a ROR crash will happen on the analysed road in the terminal approach sections Possible terminal related crashes computed likelihood of terminal related crash on the analysed road in the terminal approach sections Possible terminal related crashes computed likelihood of terminal related crash per year per single device on the analysed road in the terminal approach sections per year per single device Heturn time of a possible terminal 1 Possible terminal related crashes per year related crash years per single device SCREENVIEW 2 Predicted Crash Condition ROR Events possible terminal related crashes possible terminal related crashes per year per single device return time of a possible terminal related crash years ROR Likelihood Cars possible terminal related crashes possible terminal related crashes p
12. blue Run IKE calculation button shown in the Screenview 4 1 and the crash statistics will be shown in the right portion of the predicted crash conditions section as shown in the Screenview 4 2 SCREENVIEW 4 1 Predicted Crash Conditions ROR Events Run IKE calculation REPLACE Calculated ROR crashes RESTORE Calculated ROR ROR crashes CAR Crash conditions ROR crashes Encroachment HGV Multiplier Crash Distribution Trucks amp Buses HGV Crash Conditions ES D E Edit USER DEFINED passenger car impact Edit USER DEFINED HGV impact 1 1 LN y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads o CEDR Call 2012 Safety Use of Vehicle Restraint Systems ee SCREENVIEW 4 2 Overall design level cars HGV Potential Potential penetrations Return Potentially contained Potential penetrations Return Design Level penetrations Time years Time km years km Potential Potential penetrations Return Potentially contained Potential penetrations Return Design Level penetrations Time years Time km years km List and short glossary of data labels in the predicted crash conditions section ROR likelihood cars HOR likelihood trucks amp buses HGV ROR crashes Encroachment HGV Multiplier Crash distribution computed likelihood that the ROR crash of a passenger car will happen on the road with given parameters computed likelihood that the ROR crash of a
13. d on a bridge or on the top of a wall a roadside barrier tested for installation on soil cannot be used Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads CEDR Call 2012 Safety Use of Vehicle Restraint Systems e the compatibility of the working width with the available space if different solutions are given for barriers with different working widths If you want to add barrier types click on the Add barrier types to the drop button A new spreadsheet Barriers will appear Be aware that changing any data in this spreadsheet directly influences the calculating procedure of the application The data labelled as SAVeRS in the last column cannot be edited in order to ensure the Road Administration that if one of these solutions is picked the input values are not manipulated If you are a Road Administration and would like to amend one of these values of add new solutions blocked and labelled as SAVeRS please write to francesca latorre unifi it and we will amend the data and issue a new release In this spreadsheet you can also add a new country dataset by clicking on the red button at the bottom of the sheet List of Countries for which barriers data are included in the database Austria GreatBritain f Ireland Italy Slovenia Sweden SEK Add a new Country End line do not write on or below this line The system will ask you to indica
14. data labels Number of terminals number of terminals you have in your segment shoulder width m with of the shoulder adjacent to the cushion d C E R 26 XY y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads CEDR Call 2012 Safety Use of Vehicle Restraint Systems Barrier offset m if the side of the terminal is not on the outer edge of the shoulder the distance between the edge of the shoulder and the closest edge of the terminal has to be given Influence length per terminal m length of a section in approach to the terminal where a ROR can affect the device in meters The default is calculated as the lower value of the Run Out Length Please refer to the Guide for more details Design speed the design speed is usually higher than the posted speed For existing roads it might be unknown and some countries provide indications on how to determine it e g the posted speed limit 10 km h or 85th percentile of the actual speed distribution segment length overall analysis length this is taken from the Detailed Analysis sheet Road type single dual carriageway road this is taken from the Detailed Analysis sheet SCREENVIEW 1 Terminals evaluation User Text input in red the required ones Detailed Analysis Suggested Input Information Defaults Number of terminals Shoulder width m Influence length per terminal m Default is the minimum Runout Length rounded
15. dels meets your requirements you can make your own model by clicking Add a new crash model button You will be redirected to a new window where you have to input the required data The ones marked in red are necessary to properly run the tool If you are setting only the model for one type of road single or dual carriageway you can ignore the red cells in the other part of the sheet Note2 If you do not input a certain data required for the calculation in the Road and traffic section a pop up window will appear notifying you to either input the data or that the value will automatically be set to 0 in order to enable the calculation You can read a short description of data labels in the list below List and short glossary of data labels Number of lanes number of lanes in the analysed carriageway Average annual daily traffic AADT number of vehicles per day average per carriageway Heavy goods vehicles HGV percentage of HGVs in the AADT proportion d CEDR 7 y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads o CEDR Call 2012 Safety Use of Vehicle Restraint Systems Traffic growth expected estimated traffic growth per year for design years 96 Volume exceeds 1000 veh h In 96 Proportion of the total AADT that travels during hours where the average volume per hour exceeds 1000 vehicles per hour per lane only used for motorways segment length m
16. ections computed likelihood of cushion related crash on the analysed road in the cushion approach sections computed likelihood of cushion related crash on the analysed road in the cushion approach sections per year per single device Ww y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads o 24 CEDR Call 2012 Safety Use of Vehicle Restraint Systems a Sern Return time of a possible cushion 1 Possible cushion related crashes per year related crash years per device per single device Step 3 In section predicted crash speed conditions you have to choose the crash cushion class by using the drop down menu Other data are pre calculated and do not require additional input You can a read short description of the data labels in the list below List and short glossary of data labels Crash cushion class class of a crash cushion according to EN1317 3 2010 Car crash distribution crash distribution selected in the barrier analysis for passenger cars Car crashes above max test speed computed likelihood of a crash happening at a speed higher than the maximum speed the crash cushion is tested for Total in the design life computed likelihood of a crash happening at a speed higher than the maximum speed the crash cushion is tested for in the whole expected lifetime of a crash cushion Heturn time years for the project 1 total in the design life x design period Heturn t
17. er year per single device return time of a possible terminal related crash years ROR Likelihood Trucks amp Bwses ic cq qM possible terminal related crashes possible terminal related crashes per year per single device return time of a possible terminal related crash years ROR Likelihood TOTAL 054816 TN Terminal class terminal class according to ENV 1317 4 Car crash distribution crash distribution selected in the barrier analysis for passenger cars 28 Ww y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads o CEDR Call 2012 Safety Use of Vehicle Restraint Systems Dee Car crashes above max test speed computed likelinood of a crash happening at speeds higher than the terminal is tested for Total in the design life computed likelihood of a crash happening at speeds higher than the terminal is tested for in the whole expected lifetime of a terminal Return time years for the project 1 total in the design life x design period Return time years per device 1 total in the design life x design period x number of devices SCREENVIEW 3 Predicted Crash Speed Conditions ROR Events Terminal clas select one m car crash distribution E return time return time total in the design life years for the whole project years per device car crashes above max test speed Printing the results To print the results of the calculation in a pdf file ju
18. ge of Rumble Strips 36 Width m llaneWidth m Inside shoulder width m for motorways Class of containment level Reference Impact Kinetic Energy After you have input all the required data click the blue Run crash calculation button at the top of the page Step 4 In the Predicted crash condition section the results of the crash calculation are shown based on your previous choice of crash model However you can choose to replace the calculated ROR crashes by clicking on the red REPLACE calculated ROR crashes button new window will then appear where you input the passenger car and HGV total expected crashes in the design period on the analysed edge and confirm your choice with Note if you wish to restore the pre calculated data for ROR crashes click the grey RESTORE calculated ROR crashes button The values will be restored to SAVeRS default Proceed with choosing the crash distributions for passenger cars and for HGV by using the drop down menu as before In the VO release there are 6 distributions for HGVs and 6 distributions for passenger cars PC For the selection of the most appropriate distribution the following table can be used as a guideline but a different selection can be made based on local speed and traffic conditions When 2 alternatives are given the less severe is written in green while the more severe is written in red Any
19. i 1 W I Wrap Text 43 aste bee T GV Format Painter su oo SE bad Merge amp Center Alignment For any inquiry or feedback please refer to francesca latorre unifi it Let s get started Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads CEDR Call 2012 Safety Use of Vehicle Restraint Systems 2 VRS CLASS SELECTION 2 1 STARTING THE VRS SELECTION Step 1 Rename the xlsm file with your project s name Run the xlsm file and enable the macros as explained above Step 2 Open the detailed analysis spreadsheet by clicking on the VRS Class selection barriers crash cushions terminals button Confirm the information window by clicking OK SCREENVIEW 1 Safety Barriers Placement Motorcycle protection systems CEDR Call 2012 Safety Use of Vehicle Restraint Systems p Note This section of the tool is NOT designed to recommend using not using a VRS and it also doesn t suggest a place where to put it It is intended as a tool for comparing different classes and types of VRS once it has already been decided that a VRS will be put in place If you wish to see or review the criteria that define where a placement of VRS is recommended open the Safety Barriers Placement or the Guidelines by clicking on the appropriate button In the top section of the VRS selection procedure a descrip
20. icient super elevation Location with poor sight distance Location likely to experience icing and skidding Locations where other hazards motorcyclists exist Run MPS needs evaluation Reset for a new evaluation To run the MPS evaluation click on the Run MPS needs evaluation button Run MPS needs evaluation Reset for a new evaluation d C E R 40 Ww y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads CEDR Call 2012 Safety Use of Vehicle Restraint Systems The output can be of the following To clear the input screen click on the Reset for a new evaluation button Run MPS needs evaluation Reset for a new evaluation Printing the results To print the results of the calculation in a pdf file just click on the Prints results in pdf file at the end of the page Note the tool will suggest a name which is based on the EXCEL file name If the file exists it will be overwritten without any warning The file is usually saved in your Documents folder but this could vary depending on the configuration of your computer tebe 4 1 Ww y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads
21. ile just click on the Prints results in pdf file at the end of the page Note the tool will suggest a name which is based on the EXCEL file name If the file exists it will be overwritten without any warning The file is usually saved in your Documents folder but this could vary depending on the configuration of your computer EAT 3 T LN y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads o CEDR Call 2012 Safety Use of Vehicle Restraint Systems pn 4 MOTORCYCLE PROTECTION SYSTEMS Step 1 Rename the xlsm file with your projects name Run the xlsm file and enable the macros as explained above Note you can use the same file used for the VHS selection as this part of the tool will not overwrite any data from the VRS selection section Step 2 Open the MPS spreadsheet by clicking on the Motorcycles Protection Systems button SCREENVIEW 1 Safety Barriers Placement Motorcycle protection systems The MPS section has a single area the user is required to provide a set of inputs as shown in screenview 2 where the different inputs are described here in summary tebe 38 LN y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads CEDR Call 2012 Safety Use of Vehicle Restraint Systems LENNNNNUNUNUNUNUNUNUNUNUNUUUU
22. ime years per device 1 total in the design life x design period x number of devices d C E R 25 Ww y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads CEDR Call 2012 Safety Use of Vehicle Restraint Systems p SCREENVIEW 3 Predicted Crash Speed Conditions ROR Events ea car crash distribution return time return time total in the design life years for the whole project years per device car crashes above max test speed 007372 Printing the results To print the results of the calculation in a pdf file just click on the Prints results in pdf file at the end of the page Note the tool will suggest a name which is based on the EXCEL file name If the file exists it will be overwritten without any warning 2 4 ASSESSMENT OF TERMINALS When after Step 3 of the barriers assessment you decide to click the green Evaluate terminals button a new spreadsheet will automatically appear It consists of 3 basic sections e Upper section e Predicted crash conditions e Predicted crash speed conditions As the evaluation procedure and spreadsheet for evaluating terminals is almost exactly the same as for evaluating crash cushions please refer to the above described steps in the evaluation of crash cushions for making the evaluation of terminals You can read short a description of the data labels in the list below List and short glossary of
23. in a diverge area In the latter case the upper value is taken Please refer to the Guide for more details Design speed the design speed is usually higher than the posted speed For existing roads it might be unknown and some countries provide indications on how to determine it e g the posted speed limit 10 km h or 85th percentile of the actual speed distribution Diverge area an area where motorway separates in two trajectories in the same direction segment length overall analysis length this is taken from the Detailed Analysis sheet Road type single dual carriageway road this is taken from the Detailed Analysis sheet SCREENVIEW 1 Crash Cushion evaluation Detailed Analysis Calculation ss inputs can be modified only in the Detailed Analysis Worksheet Number of crash cushions Shoulder width m Barrier offset from the shoulder edge m Design speed km h Diverge area Not Applicable Segment length m IEEE NE Influence length per crash cushion m Default is based on the Runout Length rounded at the upper 10 m Step 2 In the predicted crash condition section you only view results of the pre calculated data and you are not supposed to input any new data You can read a short description of the data labels in the list below 23 Ww y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads o CEDR Call 2012 Safety Use of Vehicle Restraint Systems
24. l societal costs unit fatal cost divided by the design period and the project length in km d C E R 1 6 Ww y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads CEDR Call 2012 Safety Use of Vehicle Restraint Systems UEM SCREENVIEW 5 Severity Distribution Function Roadside configuration Hazard Type Run Severity Distribution calculation mie Manage Severity Distribution 96 of events Contained Penetrated N of events in design life Return time of a fatal crash years Return time of a fatal crash km years Fatality K Incapacitanting injury A Non incapacitanting injury B Possible injury C Step 6 In the cost benefit section you can choose the country for which the costs related to VRS maintenance and construction are available Choose one using drop down menu Under solutions you choose the exact type of a VRS for which the costs will be shown Choose one per line using the drop down menu Not all lines need to be filled Cost Benefit Add barrier types to the drop Solutions Crashes injury Costs NOTE when an analysis is conducted for a certain VRS class e g H2 and a given country is selected e g Italy all the barriers for that VRS class and that country e g all H2 barriers listed for Italy will be shown Prior to selecting a solution the user MUST check e the compatibility with the required usage e g if the barrier is to be installe
25. le Restraint Systems AADT annual average daily traffic for the entire carriageway for divided motorways it is only the traffic in one direction This value is required also for the LON calculation SCREENVIEW 2 Barrier Placement Guidance Evaluation of the Clear Zone NEN Segments with fixed transversal slope from the edge of the travelled lane Segment 1 shoulder width Road Type Segment 4 Segment 5 Segment 6 Segment 8 Segment 7 B Total distance between the obstacle and the edge of the travelled lane m Difference in height between the hazard base and the pavement edge dH in m Type of obstacle Edge mandatory if curvature is not straight Speed Limit km h Design speed km h AADT per carriageway Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads M 33 V CEDR Call 2012 Safety Use of Vehicle Restraint Systems _ O SCREENVIEW 3 NOTE the order of segments is only for esemplification NOTE for the slope enbankments are positive cuts are negative To run the clear zone evaluation click on the Run the CLEAR ZONE evaluation button Run the CLEAR ZONE evaluation Run the Length of Need evaluation E _ 1 A E b i E L d r m rf 2 10 The output of the clear zone evaluation is a check with reference to all the different standards and a set of warnings as i
26. n departure considering the adjacent travel lane m To run the LON calculation the design speed and the AADT need to be defined as describe above together with additional inputs that are summarized below List and short glossary of data labels Distance between the front of the Distance measured transversal to the road barrier and the front of the obstacle section from the front of the barrier facing the traffic to the side of the hazard closest to the travelled way Distance between the front of the Distance measured transversal to the road barrier and the rear of the obstacle section from the front of the barrier facing the traffic to the side of the hazard farthest to the travelled way Working width of the barrier Value in m not class of the working width determined in the Type Testing of the barrier to be installed as in EN1317 2 2010 Distance between the front of the Distance measured transversal to the road barrier and the adjacent travelled section from the edge of the lane closest to lane the hazard to the side of the safety barrier facing the traffic Distance between the front of the Distance measured transversal to the road barrier and the opposing traveled section from the closest edge of the d CEDR 3 6 XY y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads o CEDR Call 2012 Safety Use of Vehicle Restraint Systems ane opposite lane to the side of the safe
27. n of the data labels of the Severity Distribution section in the list below List and short glossary of data labels Type of roadside choose from the dropdown menu bridge high low risk median or verge Fatality K proportion of crashes with fatalities among humans out of all reported crashes in percentage d C E R 1 5 XY y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads CEDR Call 2012 Safety Use of Vehicle Restraint Systems Dee Incapacitating injury A proportion of crashes with severe incapacitating injuries to humans out of all reported crashes in percentage Non incapacitating injury B proportion of crashes with minor non incapacitating injuries to humans out of all reported crashes in percentage Possible injury C proportion of crashes with possible injuries to humans out of all reported crashes in percentage ot events contained distribution of the events potentially contained by severity of events penetrated distribution of the events that potentially penetrate the barrier by severity Number of events in design life total events by severity that are expected in the design period Return time of a fatal crash years 1 expected number of fatal crashes x design period Return time of a fatality km years 1 expected number of fatal crashes x design period x project length in km Equivalent fatal crashes per km per year Tota
28. n the example below 34 XY y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads oO CEDR Call 2012 Safety Use of Vehicle Restraint Systems _ yO SCREENVIEW 4 Result of the clear zon AASHTO 2011 The UK Method for the evaluation of the VRS need requires the use of the RRAD manual Refed to deliverable D 1 1for more indications Every time you change an input the output section will be cleared If you want to clear also the input section click on Reset for a new calculation Run the CLEAR ZONE evaluation Run the Length of Need evaluation Reset for a new evaluation LAT 35 LN y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads CEDR Call 2012 Safety Use of Vehicle Restraint Systems The Length of Need LON section is below the figure and is shown in screenview 5 SCREENVIEW 5 Length of Need LON Calculation Distance between the front of the barrier and the front of the obstacle m Distance between the front of the barrier and the rear of the obstacle m Working width of the barrier m oy Distance between the front of the barrier and the adjacent travelled lane m Distance between the front of the barrier and the opposing travelled lane m for birectional roads NENNEN LON prior to the obstacle location in approach considering the adjacent travel lane m LON after the obstacle location i
29. oads CEDR Call 2012 Safety Use of Vehicle Restraint Systems Note when you reset for a new calculation or you change any of the input data sections 2 4 will disappear Only section Road and traffic will be visible Buttons at the bottom of the spreadsheet There are additional 3 buttons at the bottom of the Detailed analysis spreadsheet e Show CMF sheets click this option if you wish to access and modify default CMF calculations Two new spreadsheets CMF Motorways and CMF Rural Roads will appear Be aware that changing any data in these spreadsheets directly influences the calculating procedure of the application e Show all hidden sheets click this option if you wish to see access and manipulate all the data that are needed for the calculation process in the application Be aware that changing any data in these spreadsheets directly influences the calculating procedure of the application The white and grey cells are blocked and the user will not be able to change them e Hide all sheets click this option to hide all sheets that are not necessary for the use of the application The application will still run in the background SCREENVIEW 7 Show CMF sheets to modify SAVeRS default Show all hidden sheets Hide all sheets d C E R 2 1 Ww y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads CEDR Call 2012 Safety Use of Vehicle Restraint Systems um
30. of Vehicle Restraint Systems Table of contents NEM m 3 MON T 5 21 STARTING THE VIS SELECTION 5 2 2 ASSESSMENT OF SAFETY BARRIERS essere 7 2 9 ASSESSMENT OF CRASH CUSHIONS vic 22 2 4 ASSESSMENT OF 1 26 SAFETY BARRIERS PLACEMENT sese 30 A MOTORCYCLE PROVES WON SYSTEMS Uca ura UR SuSE pud 38 fade I LN y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads CEDR Call 2012 Safety Use of Vehicle Restraint Systems C 1 INTRODUCTION Dear user of the SAVeRS tool Although we did our best to design the application as user friendly and as simple as possible so that it should guide the user through its steps intuitively we recognise the need to have a written manual at hand if the need arises It will help you step by step to turn on and use the application and also shortly explain the main data needed to calculate the output You are kindly encouraged to read the SAVeRS Guideline before using the tool NOTE this tool is intended as a support to the designers and the decision makers but is not intended to replace the necessary designers expertise in selecting the most appropriate VRS or in defining where a VRS i
31. rcentages compared to the length of the straights Lane width m width of the driving lane in meters Class of containment level containment level of the VHS defined according to EN1317 2 2010 Note for choosing this input use the same procedure as when choosing crash model or road type drop down menu otart year first year of the design period included End Year last year of the design period included The number of design years design period will be calculated by the tool as end year start year 1 Interest inflation Rate this terms is needed for the cost actualization and is given as the difference between the interest rate and the inflation rate far 9 Ww y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads CEDR Call 2012 Safety Use of Vehicle Restraint Systems SCREENVIEW 3 Add a new crash model ROAD and TRAFFIC umber of Lan AADT per carriageway HGV Trucks amp buses Proportion 96 Traffic Growth Expected 96 volume exceeds 1000 veh h In pO denlyfomotrways Speed limit Curve Le eai mM 1st Curve Curve Le Leng m 2nd are 2nd Curve Curve Le nem mane 4th Curve Curve Len 63 5th Curve Spies als for two lane rural roads Start Year 2013 included 2013 included aes eX Interest inflation Rate ercenta
32. s needed The SAVeHS team assumes no responsibility for any decision taken according to the SAVeRS Tool output d C E R 3 Ww y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads CEDR Call 2012 Safety Use of Vehicle Restraint Systems The tool consists of 3 different calculation procedures X Microsoft Excel SAVeRS_VOLxlsm f CEDR Transnational Road Research Programme Call 2012 Safety Use of Vehicle Restraint Systems LN Europ enne des Funded by Belgium Flanders Germany Ireland Norway Sweden Safety Barriers Placement United Kingdom Motorcycle protection systems SS CLOSE THE TOOL _ Open the guideline Open the manual 0000 21 03 2015 Developed by UNIVERSITA Xe pect subi vel AVL ZAVODZA SLOVENIAN 2 FIRENZE ZAG GRADBENI TVO NATIONAL BUILDING DICEA SLOVENIJE AND CIVIL ENGINEERING oO OME INSTITUTE D U B L I N M SITUTE TRINITY A WSP BRINCKERHOFF ous Am 2 SY 4 gt M SAVeRS Tool Start 2 To run any of the procedures included in the tool you need to enable the macros in your excel if these are not automatically enabled If you get an error indicating that the system cannot run macros due to a protection restart the program and enable the content in the top line as shown below Kid 9 c de Insert Page Layout Formulas Data Review View ABBYY FineReade Cut v Calibr
33. st click on the Prints results in pdf file at the end of the page Note the tool will suggest a name which is based on the EXCEL file name If the file exists it will be overwritten without any warning The file is usually saved in your Documents folder but this could vary depending on the configuration of your computer d C E R 29 Ww y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads CEDR Call 2012 Safety Use of Vehicle Restraint Systems 3 SAFETY BARRIERS PLACEMENT Step 1 Rename the xlsm file with your projects name Run the xlsm file and enable the macros as explained above Note you can use the same file used for the VHS selection as this part of the tool will not overwrite any data from the VRS selection section Step 2 Open the safety barriers placement spreadsheet by clicking on the Safety Barriers Placement button SCREENVIEW 1 Safety Barriers Placement Motorcycle protection systems Note This section of the tool is NOT designed to recommend using not using a VRS and it also doesn t suggest a place where to put it It is intended as a tool for comparing different standards for the definition of the clear zone and to evaluate the range of potential length of needs The user should read section 2 of the Guideline prior to using this section of the tool 3 0 Ww y Conf rence Europ enne des Directeurs des Routes Conference of European Direc
34. te the country and the currency You cannot edit directly the table You can read a short description of the data labels in the list below List and short glossary of data labels solutions a set of VRS according to countries for which different lifetime and construction costs are available Crashes the total number of ROR crashes calculated in step 4 d C E R 1 8 Ww y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads CEDR Call 2012 Safety Use of Vehicle Restraint Systems Injury costs calculated costs injury crashes mathematical formula explained in the spreadsheet at the bottom Construction cost estimated costs of constructing a new VRS Crash repair cost of the VRS repair due to crashes total in the design period Maintenance cost cost of maintenance of the VRS through its lifetime Lifetime cost cost of a construction and predicted maintenance activities throughout the whole expected lifetime of a VRS mathematical formula explained in the spreadsheet at the bottom Currency currency of the country that the costs are calculated for Class containment level of the VRS defined according to EN1317 2 2010 Country country for which VRS costs are calculated for SCREENVIEW 6a Cost Benefit Sous crashes Costs onstrucion cost race 1 9 Ww y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of
35. tion of the different types of cells is given Beside there are 4 options buttons Run crash calculation Reset for a new calculation Evaluate Crash Cushions Evaluate Terminals The use of the different buttons is described later in the manual SCREENVIEW 2 NOTE You need to have completed the crash calculation for the barriers prior to assessing crash cushions and terminals If you have already completed the crash calculation step 3 and you wish to evaluate crash cushions please proceed to chapter 2 3 of this manual If you have already completed the crash calculation step 3 and you wish to evaluate terminals please proceed to chapter 2 4 of this manual d CEDR 6 Ww y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads o CEDR Call 2012 Safety Use of Vehicle Restraint Systems 2 2 ASSESSMENT OF SAFETY BARRIERS Step 3 In the Road and traffic section start with choosing a crash model Click on a green cell and choose a crash model from the list by clicking on the grey arrow that appears at the right bottom corner of the cell Select a model and confirm by clicking on it Use the same procedure to choose a road type single dual carriageway Then go on and input individual numbers for different required data Choose class of containment level for the VRS using the same procedure as before with the drop down menu Note if none of the offered crash mo
36. tors of Roads CEDR Call 2012 Safety Use of Vehicle Restraint Systems pa Step 3 The barrier placement procedure conducts two evaluations e the clear zone evaluation where the available distance between the travelled way and the hazard is compared with the clear zone required by the different standards analysed in Deliverable D1 1 of the SAVeRS Project For more details on each method please refer to that deliverable downloadable www saversproject com e the Length of Need LON evaluation based on the criteria described in chapter 2 6 of the Guideline The input section in the top left see screenview 2 refers to the evaluation of the clear zone and the inputs are described below List and short glossary of data labels Road type road configuration which can be dual divided or single undivided carriageway Directions this is to choose between dual and single carriageway and it is required for the LON calculation oegments the transversal section between the travelled way and the hazard needs to be described in terms of single segments with a constant slope as shown in the screenview 3 The first segment is always the shoulder The transversal slope has to be selected from a dropdown menu In the different methods slopes higher than 1 3 in embankments and 1 2 in cuts are not allowed For higher d C E R 3 1 XY y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads C
37. total length of segment of the road that the user wants to analyse in m The tool assumes that the barrier length is equal to the segment length Curve radius m radius of a specific curve in the analyzed road segment horizontal curvature in meters This is used to assess the total number of crashes and it is always a positive number independently of the edge analysed Curve length m length of the specific curve above including the spirals clothoids length in meters If the segment analyzed is only part of a curve the whole curve length has to be used as input Gradient average longitudinal inclination the road segment negative if downhill in percentage Outside shoulder width m width of the shoulder on the outer side of the carriageway Inside shoulder width m width of the shoulder on the inner side of the carriageway towards the median only for motorways Speed limit legal or posted speed limit on a given road km h only for the Swedish 2 lane model d C E R 8 XY y Conf rence Europ enne des Directeurs des Routes Conference of European Directors of Roads CEDR Call 2012 Safety Use of Vehicle Restraint Systems De Spirals for two lane rural roads transition curve also called clothoids between a straight and a curve or between two curves only for the 2 lane models Percentage of rumble strips 96 presence of rumble strips in the straight portions of the analysed segment in pe
38. ty barrier facing the traffic this is required only for bidirectional roads To run the LON evaluation click on the Run the Length of Need evaluation button Run the CLEAR ZONE evaluation Run the Length of Need evaluation Reset for a new evaluation The output of the LON evaluation is the range of required LONs as described in the Guideline as shown in the example below Length of Need LON Calculation Distance between the front of the barrier and the front of the obstacle m Distance between the front of the barrier and the rear of the obstacle m Working width of the barrier m Distance between the front of the barrier and the adjacent travelled lane m Distance between the front of the barrier and the opposing travelled lane m for birectional roads LON prior to the obstacle location in approach considering the adjacent travel lane m LON after the obstacle location in departure considering the adjacent travel lane m This evaluation applies only to parrallel installations For flared installations the LON could be reduced NOTE the LON is the extension of VRS where the barrier has to offer the full containment Before that you need a terminal and an anchoring section could be required depending on the VRS specifications and on the type of terminal used Every time you change an input the output section will be cleared Printing the results To print the results of the calculation in a pdf f
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