{"id":844,"date":"2016-09-09T15:00:12","date_gmt":"2016-09-09T20:00:12","guid":{"rendered":"https:\/\/taocompliance.com\/?p=844"},"modified":"2016-09-09T15:00:12","modified_gmt":"2016-09-09T20:00:12","slug":"when-does-a-car-seal-program-make-sense-for-industrial-ammonia-refrigeration-systems","status":"publish","type":"post","link":"https:\/\/taocompliance.com\/?p=844","title":{"rendered":"When does a Car-Seal program make sense for Industrial Ammonia Refrigeration systems?"},"content":{"rendered":"<p><strong>First off: What is a Car-Seal program and what does it do?\u00a0<\/strong><\/p>\n<p style=\"text-align: justify;\">A Car-Seal program is designed, implemented and managed to ensure that safety-critical valves within the covered process are maintained in their safety-critical position \/ setting during normal system operation. If the position \/ setting of a safety-critical valve is to be changed, it provides a procedure that functions as an administrative control to make this change safely.<\/p>\n<p style=\"text-align: justify;\">Car-Sealing a valve OPEN or CLOSED is used ONLY if opening or closing that valve during normal operation could result in a Severe Safety Incident. Car-Sealed valves are usually\u00a0designated on the P&amp;ID&#8217;s as Car-Sealed OPEN (CSO) and Car-Sealed CLOSED (CSC), and are physically identified as Car-Sealed in its designated position \/ setting.<\/p>\n<p style=\"text-align: justify;\">In order to more readily identify the location of the intended Car-Seals in the field, as well as the NORMALLY SAFE valve position \/ setting, the tags will be secured to the valve using COLOR CODED PLASTIC TIE STRAPS.<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-845\" src=\"https:\/\/taocompliance.com\/\/wp-content\/uploads\/2016\/09\/carseal.png\" alt=\"carseal\" width=\"650\" height=\"493\" srcset=\"https:\/\/taocompliance.com\/wp-content\/uploads\/2016\/09\/carseal.png 650w, https:\/\/taocompliance.com\/wp-content\/uploads\/2016\/09\/carseal-300x228.png 300w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/p>\n<p style=\"text-align: justify;\">To put it bluntly: Car-Seals are placed on valves where REALLY bad things can happen if you move them from their normal (Safety Critical) position without taking precautions!<\/p>\n<p style=\"text-align: justify;\"><strong>Where are they used in Industrial Ammonia Refrigeration Systems?\u00a0<\/strong><\/p>\n<p style=\"text-align: justify;\">You should already have at least two Administrative Controls (safeguards) meant to minimize the hazard of opening and closing the wrong valves: Written SOPs and Trained Operators. The Car-Seal program is meant to add a third layer of protection on top of those two when changing the position of the valve could reasonably result in a Severe Safety Incident.<\/p>\n<p><u>Severe Safety Incident<\/u><strong> &#8211; <\/strong><em>shall mean any incident which could result in any one or more of the following results:<\/em><\/p>\n<ul>\n<li style=\"text-align: justify;\"><em>An OSHA Recordable accident, fatality, one or more employees\/contractors hospitalized <\/em><\/li>\n<li style=\"text-align: justify;\"><em>Any fire requiring the use of more than one (1) portable extinguisher or one wheeled unit to completely extinguish<\/em><\/li>\n<li style=\"text-align: justify;\"><em>Any environmental incident involving a regulated material which violates any of our permits or requires disposal of a hazardous waste<\/em><\/li>\n<li style=\"text-align: justify;\"><em>Any incident which activates or disables a pressure safety device. <\/em><\/li>\n<li style=\"text-align: justify;\"><em>Any event which had the clear potential for sudden loss of human life, either within the plant or beyond the fence line, which would result directly from a chemical release, fire or other safety-related incident <\/em><\/li>\n<li style=\"text-align: justify;\"><em>Any event which required an offsite notification of any type agency (fire, LEPC, EPA, OSHA, County Officials, City Officials)<\/em><\/li>\n<li style=\"text-align: justify;\"><em>Any event in which the site alarm system activates or is disabled (excluding false alarms and tests)<\/em><\/li>\n<\/ul>\n<p style=\"text-align: justify;\">While the decision as to which situations could reasonably result in a Severe Safety Incident are best left to the PHA team, the following are common situations where they have been\u00a0used:<\/p>\n<ul>\n<li style=\"text-align: justify;\">On the CD Isolation Valve of a Condenser Coil<\/li>\n<li style=\"text-align: justify;\">On the Inlet or Outlet Isolation Valve of a Thermosyphon Heat Exchanger<\/li>\n<li style=\"text-align: justify;\">On any liquid cooling Heat Exchanger without a relief device*<\/li>\n<li style=\"text-align: justify;\">Where a shutoff valve is placed before or after a relief device*<\/li>\n<li style=\"text-align: justify;\">At Isolation Valves for dead-end or Future Expansion legs.<\/li>\n<\/ul>\n<p>* A relief device\u00a0in this case means a device\u00a0to relieve excess pressure. While relief valves are common solutions, other examples include checkvalves, pressure-relieving regulators, EPCS solenoids, etc.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>First off: What is a Car-Seal program and what does it do?\u00a0 A Car-Seal program is designed, implemented and managed to ensure that safety-critical valves within the covered process are maintained in their safety-critical position \/ setting during normal system &hellip; <a href=\"https:\/\/taocompliance.com\/?p=844\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[8,6,20,40],"tags":[61,53,66,54],"class_list":["post-844","post","type-post","status-publish","format-standard","hentry","category-compliance","category-info","category-good-engineering-practices","category-nep","tag-incidents","tag-lessons-learned","tag-nep","tag-pha"],"_links":{"self":[{"href":"https:\/\/taocompliance.com\/index.php?rest_route=\/wp\/v2\/posts\/844","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/taocompliance.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/taocompliance.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/taocompliance.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/taocompliance.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=844"}],"version-history":[{"count":2,"href":"https:\/\/taocompliance.com\/index.php?rest_route=\/wp\/v2\/posts\/844\/revisions"}],"predecessor-version":[{"id":847,"href":"https:\/\/taocompliance.com\/index.php?rest_route=\/wp\/v2\/posts\/844\/revisions\/847"}],"wp:attachment":[{"href":"https:\/\/taocompliance.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=844"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/taocompliance.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=844"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/taocompliance.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=844"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}