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American Fire Sprinkler Association [http://www.firesprinkler.org/] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ AFSA Technical Update ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ A newsletter dealing with codes and other technical issues December 7, 2012 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Obstruction Investigation "Is an obstruction investigation required every 5 years or whenever one of the 14 conditions exist?" We have reviewed NFPA 25, 2011 edition as the applicable standard. Our informal interpretation is that an obstruction investigation is conducted when any of the 14 conditions in Section 14.3.1 exists. The internal pipe inspections and obstruction investigations are two separate tasks. The internal inspection of piping has a frequency of every 5 years in Section 14.2. The obstruction investigation has no time limit and is initiated when any of the listed 14 conditions are present. For example, there were some systems installed for only a few months that have experienced pinhole leaks. This is a condition listed to initiate an obstruction investigation and obstruction prevention program. These 14 conditions can show up at any time. A system that does not exhibit any of the 14 conditions listed under Section 14.3.1, an internal inspection of piping or "visual" inspection shall be completed every 5 years by opening a flushing connection at the end of one main and by removing a sprinkler toward the end of one branch line. This would include each system if drained for another inspection procedure. The Handbook commentary clarifies that the inspection required by 14.2.1 should be coordinated with the internal inspection requirement of system control valves, such as required by 13.4.1.2 for alarm valves. Subsection 14.2.1, is not intended to place an additional burden on the property owner by requiring an additional inspection every five years. If the system is drained for another 5-year inspection, then the internal inspection of that particular system can be completed. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ firesprinkler.org [http://r20.rs6.net/tn.jsp?e=001qQjoo2or9L5Qjl8wR6I9ttZgcTeoR_CySS_9290N57oFwiAgwoleyBsaeX1hKHnxx48nNf88ILyLvyA_ldCWSZirZayw3T-wv9CIGi-j7GVi7hAI4mgW2w==] Hosted by the American Fire Sprinkler Association ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Technical Update is prepared by the Technical Services Dept. of the AFSA: Vice President of Engineering and Technical Services Roland Huggins, a PE registered in fire protection engineering; Phill Brown, a NICET IV certified automatic sprinkler technician and NFPA Certified Fire Protection Specialist (CFPS) and Tom Wellen, a PE registered in fire protection engineering. This is provided with the understanding that the AFSA assumes no liability for this opinion or actions taken on it and they are not to be considered the official position of the NFPA or its technical committees. Copyright 2012, American Fire Sprinkler Association. All Rights Reserved ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Download the PDF Version of Technical Update PDF Link [http://r20.rs6.net/tn.jsp?e=001qQjoo2or9L5aDICIv2zDzBrOom8Z8owYjv9WNUa4QJoJyeX3m-xs8tBq_pO16z5t0d9GMTfPbszDmQsdSfxOhOOKK7h7eESQlLOLvPPUVHwY-YBJ5YW7RweoK4n-MZYRo_Qf12BYv6_BzV-WyLbVxfyGt1jiw5rM0OHOZnH7D-lUfwPFmWlwQidt5EwulqBY8bGMfexkFd4=] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Training Calendar AFSA Beginning Fire Sprinkler System Planning School January 14 - 25, 2013 Check our calendar to view upcoming training. For details and/or to register, visit the AFSA Calendar [http://r20.rs6.net/tn.jsp?e=001qQjoo2or9L40x5S04j172k33D9-_S1QD5Uw3SJUdT6Tdhv_wClQHIZTyP_7tjqTXMJsab7rqx0SJKEUiZaDfqsRuuluhC7AIOLGSlOzZLaD1gTeL_JyrACsxobyinIREBpHpLPZgm97gCuoF6M_edc_m5LPkScCd6lSsQJ7A4VcqLG4LZPxV1gm-D1RD0WSHGUJ1nm16OkqG2m9f0If_kOOaBwVZ7H76ibibTV91csLToRxKwIG1xrEyqTX2LsuTpORlB83T9xj5eKdR7WGQwJA7soJhzrTx]. e-campus_logo [http://r20.rs6.net/tn.jsp?e=001qQjoo2or9L6S1Cs47QjTswXrw41glMs0PyLgi-uSZj_HZIMl1i8tISvECYg5fItHRzG7SIqX30RWCtZx2u0U0MJU3qtvfa10bnlIIqe9jhzttfXWIOPtGOp6uMTnjpft] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Antifreeze TIAs TIAs on NFPA 13, NFPA 13R, NFPA 13D, and NFPA 25 on antifreeze issues. It is a single document covering all of the TIA's and is located (along with all the other information previously released by NFPA) on the NFPA website at: http://www.nfpa.org/antifreeze [http://www.nfpa.org/itemDetail.asp?categoryID=2064&itemID=48038&cookie_test=1] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Free Subscription to Sprinkler Age [http://r20.rs6.net/tn.jsp?e=001qQjoo2or9L7h4eslWWcq7jD9yalnbYy4GJk1Fe4P2ZUAvGYfdS9rxUOuE11anjyUP61V-LaA3ue0E8B-IK3n5AvvEMGMJZcpnic-cLCOF7qjKzd5pjvoQjaUgaNaXlgoyG-RCYsoDT32-AZT5h4Ycg8S6qELwWsOUVBFKPXBCm4=] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Quality Contractor [http://r20.rs6.net/tn.jsp?e=001qQjoo2or9L4BaPoeVt7h9WsPJGDBLR73YdS0QsjcXSuN5FIa3uFmXpqDMM06nIFUsDBoQJ9Yb4wGEBal8UAmHswx38bPZ5o4BCiLu6JnwBcT5_hZJcXeVk0H9SQBZJlC3KTxq-zW8HYxLDkxnOL5legw9b6BMKrB03wtWnDR0jk=] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Quick Links Firesprinkler.org [http://r20.rs6.net/tn.jsp?e=001qQjoo2or9L5Qjl8wR6I9ttZgcTeoR_CySS_9290N57oFwiAgwoleyBsaeX1hKHnxx48nNf88ILyLvyA_ldCWSZirZayw3T-wv9CIGi-j7GVi7hAI4mgW2w==] AFSA Calendar [http://r20.rs6.net/tn.jsp?e=001qQjoo2or9L40x5S04j172k33D9-_S1QD5Uw3SJUdT6Tdhv_wClQHIZTyP_7tjqTXMJsab7rqx0SJKEUiZaDfqsRuuluhC7AIOLGSlOzZLaD1gTeL_JyrACsxobyinIREBpHpLPZgm97gCuoF6M_edc_m5LPkScCd6lSsQJ7A4VcqLG4LZPxV1gm-D1RD0WSHGUJ1nm16OkqG2m9f0If_kOOaBwVZ7H76ibibTV91csLToRxKwIG1xrEyqTX2LsuTpORlB83T9xj5eKdR7WGQwJA7soJhzrTx] Buyer's Guide [http://r20.rs6.net/tn.jsp?e=001qQjoo2or9L7fnmkjwQJeVqWKACYE_OpMl2AOhJn8nsjLJdwlfgoaR0tKdYUz0VMr94jlREgvVbFxGJlcW2zrThvSW4jz2Hx5ic7e4AzuIr-0thIi6cxJPdpoqIEHuRZAbY8MCSK_4rX9hsZiToFxOw==] Join AFSA Video [http://r20.rs6.net/tn.jsp?e=001qQjoo2or9L4Nd9qlubzpV1Bfyu739IF79M3odLEBZwoi8h5pkvCd3fe_fFRDzLx24XC1J1jxoY8NwPweSYf-p9VqAyQluycJvlPtcXAMBRoaB-R0leziW5B8GjZ6dNKaztKr3r-84Bc1zmP9TRGjpMm089KxYbep] National [http://r20.rs6.net/tn.jsp?e=001qQjoo2or9L6_31Cil-4vzT4zkG-I6xsIigd6hf6-4P217khtdqLKJ15TeYtl__mmDpNKESp88z1AhE3-IuPkk_J3Mu6Od900pxX4l5hQ6u3HIdxbOQX_HA==] Scholarship Contest [http://r20.rs6.net/tn.jsp?e=001qQjoo2or9L6_31Cil-4vzT4zkG-I6xsIigd6hf6-4P217khtdqLKJ15TeYtl__mmDpNKESp88z1AhE3-IuPkk_J3Mu6Od900pxX4l5hQ6u3HIdxbOQX_HA==] OSHA Alliance [http://r20.rs6.net/tn.jsp?e=001qQjoo2or9L7WYMflYN_BJFPIvSAAiAvrhNUWhdzlBqfAffyAdEV9MM7QyHp3Ei1Mk4wSFC09gFyDDf-8_yOCm0G-rCCb3MZrgYzQy12VbwJn21mmd5Swf0Vj2v08vPKrLBqnNxRDNDFqePO2mEGmqj1uRByPs8o_] Technical Services [http://r20.rs6.net/tn.jsp?e=001qQjoo2or9L5aPMmmULWCdiQMgW44jFBxWQKDsVE6c0WQO3c-1r9SCpCkiy7RhHXm3t2VknEEo3QPTPBZKcgSHJJQgqIoz-EZuTcei22LuJLVqNPQ1Pzykag5c4unmh0ME5hyGYNSNdE=] Informal Interpretation Request Form [http://r20.rs6.net/tn.jsp?e=001qQjoo2or9L4cLunm4cqezCUrF7luT9hYGeCcg0_UFVPxZ0LrngKo3Ze-96SGsZPDSvT3i8hyVDAegIYTmCSTMPEAVEqY5HMpHNx1my4ftxJS1Ue80nC1yjBwtoCaMYzrG0Ynoyxp1a4oL4MHka2X6FaXxOCs9QxnaRi-s9B6QZQ=] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Join Our Mailing List [http://visitor.constantcontact.com/email.jsp?m=1102312387686] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Forward email http://ui.constantcontact.com/sa/fwtf.jsp?llr=gdnaptcab&m=1102312387686&[email protected]&a=1111808996249 This email was sent to [email protected] by [email protected]. 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