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NOTE: All references are taken from NFPA 99 – 2012 edition, this is an update from the original post which was made on September 3rd, 2015 There seems to be much confusion over the requirements set out by NFPA 99 for existing facilities vs. those for new construction / renovation work. The 2012 edition of […]
NOTE: All references taken from NFPA 99 – 2012 edition We get this question from customers with medical gas manifolds installed outdoors sometimes. NFPA 99 addresses this question directly in chapter 11 where it talks about protecting gas cylinders stored outdoors: Note: sub-paragraph (3) 11.6.5.4 Cylinders stored in the open shall be protected as follows: […]
There are two types of zone valve references that address labeling in NFPA 99 (2012 edition). One is for new construction projects which is located here: 5.1.4.8.8 Zone valves shall be labeled in accordance with 5.1.11.2. 5.1.11.2 Shutoff Valves. 5.1.11.2.1 Shutoff valves shall be identified with the following: (1) Name or chemical symbol for the specific […]