Why do you think you have plugs? Attic system or freezer? They usually form at the transition from warm to cold. Should be within a few feet of that on the cold side. And I'm sure per NFPA 13, pick your edition, been there a very long time. 7.9.2* Spaces Maintained at Temperatures Below 32°F (0°C). 7.9.2.1 General. 7.9.2.1.1 Where sprinkler pipe passes through a wall or floor into the refrigerated space, a section of pipe arranged for removal shall be provided immediately inside the space. 7.9.2.1.2 The removable length of pipe required in 7.9.2.1.1shall be a minimum of 30 in. (762 mm).
Chris Cahill, PE* Senior Fire Protection Engineer Burns & McDonnell 8201 Norman Center Drive Bloomington, MN 55437 Phone: 952.656.3652 Fax: 952.229.2923 [email protected] www.burnsmcd.com Proud to be one of FORTUNE's 100 Best Companies to Work For *Registered in: MN -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Steve Leyton Sent: Monday, December 02, 2013 5:13 PM To: [email protected] Subject: Ice plug detection Okay, slow day, I'll go first. So ... who's got suggestions about how to find ice plugs in existing systems without pulling everything apart or running a borescope down the piping? Steve Leyton PROTECTION DESIGN & CONSULTING 2851 Camino del Rio South, Suite 400 San Diego, CA 92108 ------------------------------------------------------------- Ph: 858.751.2930 - ext. 102 Fax: 858.751.2933 Cell: 619.972.5696 _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
