{"id":88,"date":"2019-09-12T15:06:12","date_gmt":"2019-09-12T19:06:12","guid":{"rendered":"https:\/\/pressbooks.bccampus.ca\/esm1\/?post_type=chapter&#038;p=88"},"modified":"2019-12-12T14:11:59","modified_gmt":"2019-12-12T19:11:59","slug":"chapter-5-calculating-fire-flow","status":"publish","type":"chapter","link":"https:\/\/pressbooks.bccampus.ca\/esm1\/chapter\/chapter-5-calculating-fire-flow\/","title":{"raw":"Chapter 8 - Calculating Fire Flow","rendered":"Chapter 8 &#8211; Calculating Fire Flow"},"content":{"raw":"There are different calculations available to formulate the rate of flow required at a structure fire.\r\nThis program will utilize the National Fire Academy Formula (NFA) formula.\r\n\r\n<strong>[(Length x Width)\u00f73 ] x percentage of involvement = GPM Required<\/strong>\r\n\r\nGiven the difficulty of accurately calculating the square footage, a strong recommendation is to include estimating size during training operations and including building sizes on pre-incident planning.\r\n<h4>Problem:<\/h4>\r\nA 40\u2019 x 30\u2019 building is \u00bc involved\r\n<h4><a href=\"https:\/\/pressbooks.bccampus.ca\/esm1\/wp-content\/uploads\/sites\/594\/2019\/09\/Fire_Flow.png\"><img src=\"https:\/\/pressbooks.bccampus.ca\/esm1\/wp-content\/uploads\/sites\/594\/2019\/09\/Fire_Flow.png\" alt=\"\" width=\"586\" height=\"367\" class=\"aligncenter size-full wp-image-190\" \/><\/a><\/h4>\r\n<h4>Solution<\/h4>\r\nEquation: [(40\u2019 x 30\u2019) \u00f7 3] x .25= 100 (GPM)\r\n\r\nThe fire flow of 100 GPM is easily attainable by a single 1 \u00be\u201d handline set at 125 GPM. The Incident Commander will utilize their firefighters inside the structure to determine if there is enough water flowing for their attack. If firefighters report that the GPM is not a high enough flow rate, then the IC should consider the possibility that water is not being effectively applied to the burning material, the nozzle is set to an incorrect gallonage or a different attack strategy is required.","rendered":"<p>There are different calculations available to formulate the rate of flow required at a structure fire.<br \/>\nThis program will utilize the National Fire Academy Formula (NFA) formula.<\/p>\n<p><strong>[(Length x Width)\u00f73 ] x percentage of involvement = GPM Required<\/strong><\/p>\n<p>Given the difficulty of accurately calculating the square footage, a strong recommendation is to include estimating size during training operations and including building sizes on pre-incident planning.<\/p>\n<h4>Problem:<\/h4>\n<p>A 40\u2019 x 30\u2019 building is \u00bc involved<\/p>\n<h4><a href=\"https:\/\/pressbooks.bccampus.ca\/esm1\/wp-content\/uploads\/sites\/594\/2019\/09\/Fire_Flow.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/esm1\/wp-content\/uploads\/sites\/594\/2019\/09\/Fire_Flow.png\" alt=\"\" width=\"586\" height=\"367\" class=\"aligncenter size-full wp-image-190\" srcset=\"https:\/\/pressbooks.bccampus.ca\/esm1\/wp-content\/uploads\/sites\/594\/2019\/09\/Fire_Flow.png 586w, https:\/\/pressbooks.bccampus.ca\/esm1\/wp-content\/uploads\/sites\/594\/2019\/09\/Fire_Flow-300x188.png 300w, https:\/\/pressbooks.bccampus.ca\/esm1\/wp-content\/uploads\/sites\/594\/2019\/09\/Fire_Flow-65x41.png 65w, https:\/\/pressbooks.bccampus.ca\/esm1\/wp-content\/uploads\/sites\/594\/2019\/09\/Fire_Flow-225x141.png 225w, https:\/\/pressbooks.bccampus.ca\/esm1\/wp-content\/uploads\/sites\/594\/2019\/09\/Fire_Flow-350x219.png 350w\" sizes=\"auto, (max-width: 586px) 100vw, 586px\" \/><\/a><\/h4>\n<h4>Solution<\/h4>\n<p>Equation: [(40\u2019 x 30\u2019) \u00f7 3] x .25= 100 (GPM)<\/p>\n<p>The fire flow of 100 GPM is easily attainable by a single 1 \u00be\u201d handline set at 125 GPM. The Incident Commander will utilize their firefighters inside the structure to determine if there is enough water flowing for their attack. If firefighters report that the GPM is not a high enough flow rate, then the IC should consider the possibility that water is not being effectively applied to the burning material, the nozzle is set to an incorrect gallonage or a different attack strategy is required.<\/p>\n","protected":false},"author":597,"menu_order":8,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-88","chapter","type-chapter","status-publish","hentry"],"part":3,"_links":{"self":[{"href":"https:\/\/pressbooks.bccampus.ca\/esm1\/wp-json\/pressbooks\/v2\/chapters\/88","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pressbooks.bccampus.ca\/esm1\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/pressbooks.bccampus.ca\/esm1\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/esm1\/wp-json\/wp\/v2\/users\/597"}],"version-history":[{"count":9,"href":"https:\/\/pressbooks.bccampus.ca\/esm1\/wp-json\/pressbooks\/v2\/chapters\/88\/revisions"}],"predecessor-version":[{"id":357,"href":"https:\/\/pressbooks.bccampus.ca\/esm1\/wp-json\/pressbooks\/v2\/chapters\/88\/revisions\/357"}],"part":[{"href":"https:\/\/pressbooks.bccampus.ca\/esm1\/wp-json\/pressbooks\/v2\/parts\/3"}],"metadata":[{"href":"https:\/\/pressbooks.bccampus.ca\/esm1\/wp-json\/pressbooks\/v2\/chapters\/88\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/pressbooks.bccampus.ca\/esm1\/wp-json\/wp\/v2\/media?parent=88"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/esm1\/wp-json\/pressbooks\/v2\/chapter-type?post=88"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/esm1\/wp-json\/wp\/v2\/contributor?post=88"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/esm1\/wp-json\/wp\/v2\/license?post=88"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}