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Cor Eckers
In stead of realizing a dry sprinkler system, more and more sprinklersystems in Europe are build as wet pipe systems filled with an anti-freeze sollution, These are not residential areas but industrial. NFPA13 - 2016 § 7.6 does not mention a maximum system size, is there a limit?
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Jerry Weber
How many hours do you wait before you have to start a Fire Watch?
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Jacques Renaud
Would an air handling unit room plenum be considered an equipment as long as it is tested ANSI/UL 1995, and therefore not subject to 4.3.11.4.2 and 4.3.3.?
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Jacques Renaud
Would an air handling unit be considered an equipment as long as it is tested ANSI/UL 1995?
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Jacques Renaud
Norme NFPA 90 Would an air handling unit be considered an equipment as long as it is tested ANSI/UL 1995? Would an air handling unit room plenum be considered an equipment as long as it is tested ANSI/UL 1995, and therefore not subject to 4.3.11.4.2 and 4.3.3.?
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Jacques Renaud
Norme NFPA 90A Some of these units are fairly large. Some are manufactures (prefabricated or custom) and others are constructed on site. How does NFPA 90A establish the difference between what can be defined as an equipment and, on the other hand, what is part of the duct system or the plenum and therefore subject to the requirements of 4.3.3.1.… (Show more)
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Jacques Renaud
Norme NFPA 90A Does NFPA assume that the ANSI/UL 1995 certification in itself satisfies the requirements for flame spread rating and that no additional criteria are required for listed equipment even if constructed with highly combustible insulation sandwiched between metal panels?
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Jacques Renaud
Norme NFPA 90A According to information we received from suppliers, it seems that ANSI/UL 1995 does not require testing of prefabricated insulated panels of the outer cabinet of the unit to evaluate their flame spread index and smoke developing index in the cases where the insulation is not exposed or covered with metal sheets.   Some units are… (Show more)
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Jacques Renaud
Norme NFPA 90A   According to NFPA 90A, article 4.2.4.2, materials used in the manufacturing of fan coil units, self-contained units and similar equipment shall respect the requirements of 4.3.3.1 and 4.3.3.2. (flame spread index and smoke developing index). However, 4.2.4.2.1 exempts equipment tested and listed in accordance with ANSI/UL 1995,… (Show more)
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Kate Greene
Would you be interested in a Health Care section on Xchange. This website has the potential to draw from member's experience to be a resource for others with questions and ideas.
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