{"id":4716,"date":"2017-01-18T12:18:16","date_gmt":"2017-01-18T17:18:16","guid":{"rendered":"http:\/\/randpc.com\/blog\/?p=4716"},"modified":"2017-01-18T12:37:13","modified_gmt":"2017-01-18T17:37:13","slug":"ask-the-engineer-backflow-prevention","status":"publish","type":"post","link":"https:\/\/m.randpc.com\/blog\/ask-the-engineer-backflow-prevention\/","title":{"rendered":"Ask the Engineer: Backflow Prevention"},"content":{"rendered":"<div id=\"attachment_4717\" style=\"width: 310px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-4717\" class=\"wp-image-4717 size-medium\" src=\"https:\/\/randpc.com\/blog\/wp-content\/uploads\/Backflow-Preventer-web-300x210.jpg\" alt=\"Backflow prevention device\" width=\"300\" height=\"210\" srcset=\"https:\/\/m.randpc.com\/blog\/wp-content\/uploads\/Backflow-Preventer-web-300x210.jpg 300w, https:\/\/m.randpc.com\/blog\/wp-content\/uploads\/Backflow-Preventer-web-150x105.jpg 150w, https:\/\/m.randpc.com\/blog\/wp-content\/uploads\/Backflow-Preventer-web-768x537.jpg 768w, https:\/\/m.randpc.com\/blog\/wp-content\/uploads\/Backflow-Preventer-web-485x339.jpg 485w, https:\/\/m.randpc.com\/blog\/wp-content\/uploads\/Backflow-Preventer-web.jpg 825w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-4717\" class=\"wp-caption-text\">An installed backflow preventer (blue device, center) protects\u00a0the public water supply from contamination.<\/p><\/div>\n<p>One billion gallons of clean drinking water are distributed to the taps of nearly nine million New Yorkers each day. The city's potable water supply, however, can be contaminated via back pressure or back-siphonage from buildings. The solution: properly installed backflow prevention devices.<\/p>\n<p>Backflow preventers are mandated for most buildings in New York City.\u00a0In RAND's latest\u00a0<a href=\"https:\/\/www.randpc.com\/ask\/mep\/backflow\" target=\"_blank\">Ask the Engineer<\/a>\u00a0column, we discuss:<\/p>\n<ul>\n<li>What is backflow, back pressure, and backsiphonage<\/li>\n<li>Which types of buildings require a backflow preventer device<\/li>\n<li>Compliance and installation<\/li>\n<li>Installation costs and penalties<\/li>\n<li>Maintenance requirements<\/li>\n<\/ul>\n<p>For more on backflow prevention, read the\u00a0<a href=\"https:\/\/randpc.com\/ask\/mep\/backflow\" target=\"_blank\">full article<\/a>\u00a0and send us your questions or comments to\u00a0<a href=\"mailto:&#x69;&#x6e;&#x66;&#x6f;&#x40;&#x72;&#x61;&#x6e;&#x64;&#x70;&#x63;&#x2e;&#x63;&#x6f;&#x6d;\">&#x69;&#x6e;&#x66;&#x6f;&#x40;<span class=\"oe_displaynone\">null<\/span>&#x72;&#x61;&#x6e;&#x64;&#x70;&#x63;&#x2e;&#x63;&#x6f;&#x6d;<\/a>,\u00a0or call us at 212-675-8844. We look forward to hearing from you!<\/p>\n<p><strong>You Ask, We Answer:<\/strong>\u00a0Have a repair or upgrade question about your building or a topic you would like more information on? Send your queries to\u00a0Ask the Engineer\u00a0at\u00a0<a href=\"mailto:&#x69;&#x6e;&#x66;&#x6f;&#x40;&#x72;&#x61;&#x6e;&#x64;&#x70;&#x63;&#x2e;&#x63;&#x6f;&#x6d;\">&#x69;&#x6e;&#x66;&#x6f;&#x40;<span class=\"oe_displaynone\">null<\/span>&#x72;&#x61;&#x6e;&#x64;&#x70;&#x63;&#x2e;&#x63;&#x6f;&#x6d;<\/a>.<\/p>\n<div><\/div>\n<hr \/>\n<p><em>Peter Varsalona, PE<\/em><em>, <\/em><em>is RAND's Principal and head of the firm's Mechanical, Electrical, and Plumbing Team.<\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>One billion gallons of clean drinking water are distributed to the taps of nearly nine million New Yorkers each day. The city's potable water supply, however, can be contaminated via back pressure or back-siphonage from buildings. The solution: properly installed...<\/p>\n <span class=\"read-more\"><a href=\"https:\/\/m.randpc.com\/blog\/ask-the-engineer-backflow-prevention\/\" class=\"more-link\" title=\"Read More\"><strong>Read more<\/strong><\/a><\/span>","protected":false},"author":13,"featured_media":4717,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[463,56,467,485],"tags":[489,486,487,488,444,370,369,406,371,384,490,491],"class_list":["post-4716","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ask-the-engineer","category-engineers-2","category-new-york-city","category-plumbing","tag-back-pressure","tag-backflow","tag-backflow-preventers","tag-backsiphonage","tag-mep","tag-new-york-city","tag-nyc","tag-plumbing","tag-rand","tag-rand-engineering-architecture","tag-water","tag-water-contamination"],"_links":{"self":[{"href":"https:\/\/m.randpc.com\/blog\/wp-json\/wp\/v2\/posts\/4716","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/m.randpc.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/m.randpc.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/m.randpc.com\/blog\/wp-json\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/m.randpc.com\/blog\/wp-json\/wp\/v2\/comments?post=4716"}],"version-history":[{"count":0,"href":"https:\/\/m.randpc.com\/blog\/wp-json\/wp\/v2\/posts\/4716\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/m.randpc.com\/blog\/wp-json\/wp\/v2\/media\/4717"}],"wp:attachment":[{"href":"https:\/\/m.randpc.com\/blog\/wp-json\/wp\/v2\/media?parent=4716"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m.randpc.com\/blog\/wp-json\/wp\/v2\/categories?post=4716"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m.randpc.com\/blog\/wp-json\/wp\/v2\/tags?post=4716"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}