Natl Fire Protection Assn Staff's Nfpa 13 Standard for the Installation of Sprinkler Systems, PDF

By Natl Fire Protection Assn Staff

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Additional info for Nfpa 13 Standard for the Installation of Sprinkler Systems, 1996

Example text

Continuous or noncontinuous obstructions that interrupt the water discharge in a horizontal plane more than 18 in. 3. 2 m) wide such as ducts, decks, open grate flooring, cutting tables, and overhead doors. 13–35 INSTALLATION REQUIREMENTS Exception: Obstructions that are not fixed in place such as conference tables. 2 Sprinklers installed under open gratings shall be of the intermediate level/rack storage type or otherwise shielded from the discharge of overhead sprinklers. 6* Clearance to Storage.

3 Sprinkler Spacing (Standard Pendent and Upright Spray Sprinklers). 1 Maximum Distance Between Sprinklers. 2(a) through (d). 2 Maximum Distance from Walls. 6 Exception No. 8 m) on center. Exception No. 8 m) on center. 4 Deflector Position (Standard Pendent and Upright Spray Sprinklers). 1 Distance Below Ceilings. 2(a) through (d). The distance from the wall to the sprinkler shall be measured perpendicular to the wall. 75 times the allowable distance permitted between sprinklers, provided the maximum perpendicular distance is not exceeded.

1 A circulating closed-loop system is primarily a sprinkler system and shall comply with all provisions of this standard such as those for control valves, area limitations of a system, alarms, fire department connections, sprinkler spacing, and so forth. 1. (d) Shutoff valves and a means of drainage shall be provided on piping to heating or cooling equipment at all points of connection to sprinkler piping and shall be installed in such a manner as to make possible repair or removal of any auxiliary component without impairing the serviceability and response to the sprinkler system.

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