{"id":17,"date":"2017-10-22T08:00:05","date_gmt":"2017-10-22T08:00:05","guid":{"rendered":"http:\/\/petemartin.com\/?page_id=17"},"modified":"2017-10-27T07:38:54","modified_gmt":"2017-10-26T20:38:54","slug":"collisions","status":"publish","type":"page","link":"https:\/\/police.clydenorth.com\/?page_id=17","title":{"rendered":"Collisions"},"content":{"rendered":"<p>Note:\u00a0 These calculations are for use at the scene to assist in your evidence gathering.\u00a0 For court use please contact the MCIU Reconstruction Unit for further advice and assistance.<\/p>\n<p><strong>Skids<br \/>\n<\/strong><style>@media (max-width:480px){#cp_calculatedfieldsf_pform_1{min-height:383px;}}@media (min-width:1024px){#cp_calculatedfieldsf_pform_1{min-height:385px;}}<\/style><form name=\"cp_calculatedfieldsf_pform_1\" id=\"cp_calculatedfieldsf_pform_1\" action=\"https:\/\/police.clydenorth.com\/?page_id=17\" method=\"post\" enctype=\"multipart\/form-data\" onsubmit=\"return fbuilderjQuery.fbuilder.doValidate(this);\" class=\"cff-form no-prefetch  cff-form-6 cp_cff_clean\"  data-nonce=\"2d23b75fcb\">\n<input type=\"hidden\" name=\"cp_calculatedfieldsf_pform_psequence\" value=\"_1\" \/>\n<input type=\"hidden\" name=\"cp_calculatedfieldsf_id\" value=\"6\" \/>\n<input type=\"hidden\" name=\"cp_ref_page\" value=\"https:\/\/police.clydenorth.com\" \/>\n<pre style=\"display:none !important;\"><script data-category=\"functional\" type=\"text\/javascript\">form_structure_1=[[{\"form_identifier\":\"\",\"name\":\"fieldname2\",\"shortlabel\":\"\",\"index\":0,\"ftype\":\"fnumber\",\"userhelp\":\"\",\"userhelpTooltip\":false,\"csslayout\":\"\",\"title\":\"Skid length in metres\",\"predefined\":\"20\",\"predefinedClick\":false,\"required\":false,\"size\":\"small\",\"thousandSeparator\":\"\",\"decimalSymbol\":\".\",\"min\":\"\",\"max\":\"\",\"formatDynamically\":true,\"dformat\":\"number\",\"formats\":[\"digits\",\"number\"],\"fBuild\":{},\"parent\":\"\"},{\"form_identifier\":\"\",\"name\":\"fieldname8\",\"shortlabel\":\"\",\"index\":1,\"ftype\":\"fdropdown\",\"userhelp\":\"\",\"userhelpTooltip\":false,\"csslayout\":\"\",\"title\":\"Road friction co-efficient\",\"size\":\"medium\",\"required\":false,\"toSubmit\":\"value\",\"choiceSelected\":\"First Choice - First Choice\",\"showDep\":false,\"choices\":[\"Bitumen (0.70)\",\"Gravel (0.60)\",\"Dirt (0.60)\"],\"choicesVal\":[\"0.70\",\"0.60\",\"0.60\"],\"choicesDep\":[[],[],[]],\"fBuild\":{},\"parent\":\"\"},{\"form_identifier\":\"\",\"name\":\"fieldname4\",\"shortlabel\":\"\",\"index\":2,\"ftype\":\"fCalculated\",\"userhelp\":\"\",\"userhelpTooltip\":false,\"csslayout\":\"\",\"title\":\"\",\"predefined\":\"\",\"required\":false,\"size\":\"medium\",\"toolbar\":\"default|mathematical\",\"eq\":\"sqrt(254*(fieldname2*fieldname8))\",\"suffix\":\"\",\"prefix\":\"\",\"decimalsymbol\":\".\",\"groupingsymbol\":\"\",\"dependencies\":[{\"rule\":\"\",\"complex\":false,\"fields\":[\"\"]}],\"readonly\":true,\"hidefield\":true,\"fBuild\":{},\"parent\":\"\"},{\"form_identifier\":\"\",\"name\":\"fieldname7\",\"shortlabel\":\"\",\"index\":3,\"ftype\":\"fCalculated\",\"userhelp\":\"\",\"userhelpTooltip\":false,\"csslayout\":\"\",\"title\":\"Speed at start of skid\",\"predefined\":\"\",\"required\":false,\"size\":\"medium\",\"toolbar\":\"default|mathematical\",\"eq\":\"prec(fieldname4,2) \",\"suffix\":\" km\\\/h\",\"prefix\":\"\",\"decimalsymbol\":\".\",\"groupingsymbol\":\"\",\"dependencies\":[{\"rule\":\"\",\"complex\":false,\"fields\":[\"\"]}],\"readonly\":true,\"hidefield\":false,\"fBuild\":{},\"parent\":\"\"}],{\"0\":{\"title\":\"Speed calculation from skid\",\"description\":\"\",\"formlayout\":\"top_aligned\",\"formtemplate\":\"cp_cff_clean\",\"evalequations\":1,\"autocomplete\":1,\"persistence\":0,\"customstyles\":\"\"},\"formid\":\"cp_calculatedfieldsf_pform_1\"}];<\/script><\/pre>\n<div id=\"fbuilder\">\n\t\t<div id=\"fbuilder_1\">\n\t\t<div id=\"formheader_1\"><\/div>\n\t\t<div id=\"fieldlist_1\"><\/div>\n\t\t<div class=\"clearer\"><\/div>\n\t<\/div>\n<\/div>\n\t<div id=\"cp_subbtn_1\" class=\"cp_subbtn\" style=\"display:none;\">Submit<\/div><div class=\"clearer\"><\/div>\n\t<input type=\"hidden\" id=\"_cpcff_public_nonce\" name=\"_cpcff_public_nonce\" value=\"ed0089af94\" \/><input type=\"hidden\" name=\"_wp_http_referer\" value=\"\/index.php?rest_route=%2Fwp%2Fv2%2Fpages%2F17\" \/><input type=\"hidden\" name=\"cff_form_start_time\" value=\"mBooHBvNwEgP\/yHa7Y8dxA==\"><\/form>\n\t<\/p>\n<p><strong><br \/>\nPedestrian throw measurement<br \/>\n<\/strong><span style=\"font-size: 1rem;\"><style>@media (max-width:480px){#cp_calculatedfieldsf_pform_2{min-height:285px;}}@media (min-width:1024px){#cp_calculatedfieldsf_pform_2{min-height:236px;}}<\/style><form name=\"cp_calculatedfieldsf_pform_2\" id=\"cp_calculatedfieldsf_pform_2\" action=\"https:\/\/police.clydenorth.com\/?page_id=17\" method=\"post\" enctype=\"multipart\/form-data\" onsubmit=\"return fbuilderjQuery.fbuilder.doValidate(this);\" class=\"cff-form no-prefetch  cff-form-8 cp_cff_clean\"  data-nonce=\"2d23b75fcb\">\n<input type=\"hidden\" name=\"cp_calculatedfieldsf_pform_psequence\" value=\"_2\" \/>\n<input type=\"hidden\" name=\"cp_calculatedfieldsf_id\" value=\"8\" \/>\n<input type=\"hidden\" name=\"cp_ref_page\" value=\"https:\/\/police.clydenorth.com\" \/>\n<pre style=\"display:none !important;\"><script data-category=\"functional\" type=\"text\/javascript\">form_structure_2=[[{\"form_identifier\":\"\",\"name\":\"fieldname2\",\"shortlabel\":\"\",\"index\":0,\"ftype\":\"fnumber\",\"userhelp\":\"\",\"userhelpTooltip\":false,\"csslayout\":\"\",\"title\":\"Distance pedestrian thrown in metres\",\"predefined\":\"\",\"predefinedClick\":false,\"required\":false,\"size\":\"small\",\"thousandSeparator\":\"\",\"decimalSymbol\":\".\",\"min\":\"\",\"max\":\"\",\"formatDynamically\":false,\"dformat\":\"number\",\"formats\":[\"digits\",\"number\"],\"fBuild\":{},\"parent\":\"\"},{\"form_identifier\":\"\",\"name\":\"fieldname1\",\"shortlabel\":\"\",\"index\":1,\"ftype\":\"fCalculated\",\"userhelp\":\"\",\"userhelpTooltip\":false,\"csslayout\":\"\",\"title\":\"\",\"predefined\":\"\",\"required\":false,\"size\":\"medium\",\"toolbar\":\"default|mathematical\",\"eq\":\"sqrt(fieldname2)*12\",\"suffix\":\"\",\"prefix\":\"\",\"decimalsymbol\":\".\",\"groupingsymbol\":\"\",\"dependencies\":[{\"rule\":\"\",\"complex\":false,\"fields\":[\"\"]}],\"readonly\":true,\"hidefield\":true,\"fBuild\":{},\"parent\":\"\"},{\"form_identifier\":\"\",\"name\":\"fieldname3\",\"shortlabel\":\"\",\"index\":2,\"ftype\":\"fCalculated\",\"userhelp\":\"\",\"userhelpTooltip\":false,\"csslayout\":\"\",\"title\":\"Speed in km\\\/h\",\"predefined\":\"\",\"required\":false,\"size\":\"medium\",\"toolbar\":\"default|mathematical\",\"eq\":\"prec(fieldname1,2)\",\"suffix\":\" km\\\/h\",\"prefix\":\"\",\"decimalsymbol\":\".\",\"groupingsymbol\":\"\",\"dependencies\":[{\"rule\":\"\",\"complex\":false,\"fields\":[\"\"]}],\"readonly\":true,\"hidefield\":false,\"fBuild\":{},\"parent\":\"\"}],{\"0\":{\"title\":\"Speed based on pedestrian throw distances\",\"description\":\"\",\"formlayout\":\"top_aligned\",\"formtemplate\":\"cp_cff_clean\",\"evalequations\":1,\"autocomplete\":1,\"persistence\":0,\"customstyles\":\"\"},\"formid\":\"cp_calculatedfieldsf_pform_2\"}];<\/script><\/pre>\n<div id=\"fbuilder\">\n\t\t<div id=\"fbuilder_2\">\n\t\t<div id=\"formheader_2\"><\/div>\n\t\t<div id=\"fieldlist_2\"><\/div>\n\t\t<div class=\"clearer\"><\/div>\n\t<\/div>\n<\/div>\n\t<div id=\"cp_subbtn_2\" class=\"cp_subbtn\" style=\"display:none;\"><\/div><div class=\"clearer\"><\/div>\n\t<input type=\"hidden\" id=\"_cpcff_public_nonce\" name=\"_cpcff_public_nonce\" value=\"beb4f9f885\" \/><input type=\"hidden\" name=\"_wp_http_referer\" value=\"\/index.php?rest_route=%2Fwp%2Fv2%2Fpages%2F17\" \/><input type=\"hidden\" name=\"cff_form_start_time\" value=\"mBooHBvNwEgP\/yHa7Y8dxA==\"><\/form>\n\t<\/span><strong><br \/>\n<\/strong><\/p>\n<p><strong><br \/>\nYaw Marks<\/strong><\/p>\n<style>@media (max-width:480px){#cp_calculatedfieldsf_pform_3{min-height:605px;}}@media (min-width:1024px){#cp_calculatedfieldsf_pform_3{min-height:510px;}}<\/style><form name=\"cp_calculatedfieldsf_pform_3\" id=\"cp_calculatedfieldsf_pform_3\" action=\"https:\/\/police.clydenorth.com\/?page_id=17\" method=\"post\" enctype=\"multipart\/form-data\" onsubmit=\"return fbuilderjQuery.fbuilder.doValidate(this);\" class=\"cff-form no-prefetch  cff-form-9 cp_cff_clean\"  data-nonce=\"2d23b75fcb\">\n<input type=\"hidden\" name=\"cp_calculatedfieldsf_pform_psequence\" value=\"_3\" \/>\n<input type=\"hidden\" name=\"cp_calculatedfieldsf_id\" value=\"9\" \/>\n<input type=\"hidden\" name=\"cp_ref_page\" value=\"https:\/\/police.clydenorth.com\" \/>\n<pre style=\"display:none !important;\"><script data-category=\"functional\" type=\"text\/javascript\">form_structure_3=[[{\"form_identifier\":\"\",\"name\":\"fieldname2\",\"shortlabel\":\"\",\"index\":0,\"ftype\":\"fnumber\",\"userhelp\":\"\",\"userhelpTooltip\":false,\"csslayout\":\"\",\"title\":\"Chord (should be less than 10m, but not longer than 20m)\",\"predefined\":\"20\",\"predefinedClick\":false,\"required\":false,\"size\":\"small\",\"thousandSeparator\":\"\",\"decimalSymbol\":\".\",\"min\":\"\",\"max\":\"\",\"formatDynamically\":false,\"dformat\":\"number\",\"formats\":[\"digits\",\"number\"],\"fBuild\":{},\"parent\":\"\"},{\"form_identifier\":\"\",\"name\":\"fieldname3\",\"shortlabel\":\"\",\"index\":1,\"ftype\":\"fnumber\",\"userhelp\":\"\",\"userhelpTooltip\":false,\"csslayout\":\"\",\"title\":\"Middle ordinate in metres (ie: half a metre would be 0.5)\",\"predefined\":\"0.500\",\"predefinedClick\":false,\"required\":false,\"size\":\"small\",\"thousandSeparator\":\"\",\"decimalSymbol\":\".\",\"min\":\"\",\"max\":\"\",\"formatDynamically\":false,\"dformat\":\"number\",\"formats\":[\"digits\",\"number\"],\"fBuild\":{},\"parent\":\"\"},{\"form_identifier\":\"\",\"name\":\"fieldname7\",\"shortlabel\":\"\",\"index\":2,\"ftype\":\"fdropdown\",\"userhelp\":\"\",\"userhelpTooltip\":false,\"csslayout\":\"\",\"title\":\"Road friction co-efficient\",\"size\":\"medium\",\"required\":false,\"toSubmit\":\"value\",\"merge\":0,\"choiceSelected\":\"Third Choice - Third Choice\",\"multiple\":false,\"vChoices\":1,\"showDep\":false,\"choices\":[\"Bitumen (0.70)\",\"Gravel (0.60)\",\"Dirt (0.60)\"],\"choicesVal\":[\"0.70\",\"0.60\",\"0.60\"],\"choicesDep\":[[],[],[]],\"fBuild\":{},\"parent\":\"\",\"optgroup\":[false,false,false]},{\"form_identifier\":\"\",\"name\":\"fieldname5\",\"shortlabel\":\"\",\"index\":3,\"ftype\":\"fCalculated\",\"userhelp\":\"\",\"userhelpTooltip\":false,\"csslayout\":\"\",\"title\":\"Radius\",\"predefined\":\"\",\"required\":false,\"size\":\"medium\",\"toolbar\":\"default|mathematical\",\"eq\":\"(fieldname2*fieldname2)\\\/(8*fieldname3)+(fieldname3\\\/2)\",\"suffix\":\"\",\"prefix\":\"\",\"decimalsymbol\":\".\",\"groupingsymbol\":\"\",\"dependencies\":[{\"rule\":\"\",\"complex\":false,\"fields\":[\"\"]}],\"readonly\":true,\"hidefield\":true,\"fBuild\":{},\"parent\":\"\"},{\"form_identifier\":\"\",\"name\":\"fieldname1\",\"shortlabel\":\"\",\"index\":4,\"ftype\":\"fCalculated\",\"userhelp\":\"\",\"userhelpTooltip\":false,\"csslayout\":\"\",\"title\":\"Speed\",\"predefined\":\"\",\"required\":false,\"size\":\"medium\",\"toolbar\":\"default|mathematical\",\"eq\":\"sqrt(127*fieldname5*fieldname7)\\n\",\"suffix\":\"\",\"prefix\":\"\",\"decimalsymbol\":\".\",\"groupingsymbol\":\"\",\"dependencies\":[{\"rule\":\"\",\"complex\":false,\"fields\":[\"\"]}],\"readonly\":true,\"hidefield\":true,\"fBuild\":{},\"parent\":\"\"},{\"form_identifier\":\"\",\"name\":\"fieldname6\",\"shortlabel\":\"\",\"index\":5,\"ftype\":\"fCalculated\",\"userhelp\":\"\",\"userhelpTooltip\":false,\"csslayout\":\"\",\"title\":\"Speed (km\\\/h)\",\"predefined\":\"\",\"required\":false,\"size\":\"medium\",\"toolbar\":\"default|mathematical\",\"eq\":\"prec(fieldname1,2) \",\"suffix\":\" km\\\/h\",\"prefix\":\"\",\"decimalsymbol\":\".\",\"groupingsymbol\":\"\",\"dependencies\":[{\"rule\":\"\",\"complex\":false,\"fields\":[\"\"]}],\"readonly\":true,\"hidefield\":false,\"fBuild\":{},\"parent\":\"\"}],{\"0\":{\"title\":\"Skid from yaw marks\",\"description\":\"Enter chord measurement, then middle ordinate.  This will calculate radius, then speed.\\n\\nHeavy vehicles may require further calculations - contact MCIU Collision Reconstruction Unit for advice.\",\"formlayout\":\"top_aligned\",\"formtemplate\":\"cp_cff_clean\",\"evalequations\":1,\"autocomplete\":1,\"persistence\":0,\"customstyles\":\"\"},\"formid\":\"cp_calculatedfieldsf_pform_3\"}];<\/script><\/pre>\n<div id=\"fbuilder\">\n\t\t<div id=\"fbuilder_3\">\n\t\t<div id=\"formheader_3\"><\/div>\n\t\t<div id=\"fieldlist_3\"><\/div>\n\t\t<div class=\"clearer\"><\/div>\n\t<\/div>\n<\/div>\n\t<div id=\"cp_subbtn_3\" class=\"cp_subbtn\" style=\"display:none;\"><\/div><div class=\"clearer\"><\/div>\n\t<input type=\"hidden\" id=\"_cpcff_public_nonce\" name=\"_cpcff_public_nonce\" value=\"0f8636eb2d\" \/><input type=\"hidden\" name=\"_wp_http_referer\" value=\"\/index.php?rest_route=%2Fwp%2Fv2%2Fpages%2F17\" \/><input type=\"hidden\" name=\"cff_form_start_time\" value=\"mBooHBvNwEgP\/yHa7Y8dxA==\"><\/form>\n\t\n<p>&nbsp;<\/p>\n<p><strong>Yaw measurement instructions:<\/strong><\/p>\n<p>Measure the chord of the yaw marks (minimum 10 metres, maximum 30 metres &#8211; preferred is 20 metres)<\/p>\n<p>Then measure the Middle ordinate.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Note:\u00a0 These calculations are for use at the scene to assist in your evidence gathering.\u00a0 For court use please contact the MCIU Reconstruction Unit for further advice and assistance. Skids Pedestrian throw measurement Yaw Marks &nbsp; Yaw measurement instructions: Measure the chord of the yaw marks (minimum 10 metres, maximum 30 metres &#8211; preferred is &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/police.clydenorth.com\/?page_id=17\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Collisions&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-17","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/police.clydenorth.com\/index.php?rest_route=\/wp\/v2\/pages\/17","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/police.clydenorth.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/police.clydenorth.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/police.clydenorth.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/police.clydenorth.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=17"}],"version-history":[{"count":34,"href":"https:\/\/police.clydenorth.com\/index.php?rest_route=\/wp\/v2\/pages\/17\/revisions"}],"predecessor-version":[{"id":183,"href":"https:\/\/police.clydenorth.com\/index.php?rest_route=\/wp\/v2\/pages\/17\/revisions\/183"}],"wp:attachment":[{"href":"https:\/\/police.clydenorth.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}