![]() You can use the area of the room divided by the number of sprinklers in the room to get the area per sprinkler. Remember that if you have a small room, you don't have to use SxL. Steven Davis RE: Room Design / Less than 4 sprinklers / Residential heads TravisMack (Mechanical) 9 Apr 15 21:15 It appears that the room design method can be used for most any hazard classification so why not residential sprinklers. ![]() NFPA 13, 11.2.3.3 defines the room design method but does not exclude the use of residential sprinklers or a room designed with less than 4 sprinklers. NFPA 13, 11.3.1 specifies a 4 sprinkler design area, but does not exclude the room design method. Provided each guest room is surrounded by a 1 hour wall, has a automatic closing door and separate calculations are provided for each of the guest rooms. 10.Ĭan the room design method be used for residential sprinklers?Ĭan a design area ever be less than 4 sprinklers? (using the room design method) Increasing the spacing in the smaller guest room allows for one less sprinkler but at a higher pressure using (SxL) at. Residential sprinklers have been selected using a. Half of the guest rooms can be protected with 3 sprinklers in them and the other half have 4. ![]() ![]() Currently working on 4 story hotel, a project for Marriott using the Module 14 guidelines. It's seems this topic was touched on but not was not completely defined.
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