Fire Sprinklers 303 Sprinkler Protection for Storage ...

1 fire Sprinklers 303. Sprinkler Protection for Storage occupancies Misc. Storage and Solid Piled, Bin Box & Shelf Storage (non-rack). NOTE: This program references particular sections, paragraphs or figures in the 2007 edition of NFPA 13, Standard for the Installation of Sprinkler Systems. To enhance the learning experience and more easily follow the specific references, students are advised to have a copy at hand before beginning the program. 1. Does not exceed 12 ft in height Incidental to another occupancy use group. Not constitute more than 10 percent of the building area or 4000 ft of the sprinklered area, whichever is greater.

2 Shall not exceed 1000 ft in one pile or area with each pile separated from other Storage areas by at least 25 ft 2. Commodity Class I-IV: All Storage arrangements Misc Storage and warehouses Group A plastics: All Storage arrangements Misc Storage and warehouses Includes expanded exposed on racks Tires Misc Storage Rolled Paper Misc Storage Just up to 10 ft 3. Reprinted with permission from NFPA 13, Installation of Sprinkler Systems, Copyright 2007, National fire Protection Association, Quincy, MA. This 4 reprinted material is not the complete and official position of the NFPA on the referenced subject, which is represented only by the standard in its entirety.

3 Reprinted with permission from NFPA 13, Installation of Sprinkler Systems, Copyright 2007, National fire Protection Association, Quincy, MA. This reprinted material is not the complete and official position of the NFPA on the referenced subject, which is represented only by the standard 5 in its entirety. Occupancy Hazard Approach Apply modifiers of Chapter 11. Do not apply restrictions of Chapter 12. 2002 edition Plastic pallets Small Storage area greater than 12 ft high Storage chapter and Section and Two densities within the remote area 6. Storage Arrangements: Solid-piled Palletized Bin box Shelf Storage 7.

4 8. Reprinted with permission from NFPA 13, Installation of Sprinkler Systems, Copyright 2007, National fire Protection Association, Quincy, MA. This reprinted material is not the complete and official position of the NFPA. on the referenced subject, which is represented only by the standard in its entirety. 9. Reprinted with permission from NFPA 13, Installation of Sprinkler Systems, Copyright 2007, National fire Protection Association, Quincy, MA. This reprinted material is not the complete and official position of the NFPA. on the referenced subject, which is represented only by the standard in its entirety.

5 Closed Array is defined as Storage arrangements where air movement through the pile is restricted due to vertical flues of 6. in or less Open Array conversely, includes Storage arrangements where air movement through the pile is enhanced because of vertical flues larger than 6 in 10. Storage in five-sided wood, metal, or cardboard boxes with open face on the aisles. Boxes are self-supporting or supported by a structure so designed that little or no horizontal or vertical space exists around boxes. 11. A load that does not have voids (air). within the load and that burns only on the exterior of the load; water from Sprinklers might reach most surfaces available to burn 12.

6 Stable Piles where collapse, spillage of content, or leaning of stacks across flue spaces is not likely to occur soon after initial fire development. Unstable Piles arrays where collapse, spillage of contents, or leaning of stacks across flue spaces occurs soon after initial fire development. 13. Structures up to and including 30 in. deep and separated by aisles at least 30 in. wide 14. Regardless of Storage arrangement, NFPA 13 offers options for Protection including: Standard spray Sprinklers CMSA Sprinklers ESFR Sprinklers High Expansion Foam 15. Commodity Classification Storage Arrangement (solid piled, palletized, bin box, pallet rack, clearance height, etc).

7 Select density/area (based on ceiling Sprinkler temperature). Adjustments for Storage height and/or dry pipe systems 16. 17. Reprinted with permission from NFPA 13, Installation of Sprinkler Systems, Copyright 2007, National fire Protection Association, Quincy, MA. This reprinted material is not the complete and official position of the NFPA on the referenced subject, which is represented only by the standard in its entirety. 18. Reprinted with permission from NFPA 13, Installation of Sprinkler Systems, Copyright 2007, National fire Protection Association, Quincy, MA.

8 This reprinted material is not the complete and official position of the NFPA on the referenced subject, which is represented only by the standard in its entirety. Reprinted with permission from NFPA 13, Installation of Sprinkler Systems, Copyright 2007, National fire Protection Association, Quincy, MA. This reprinted material is not the complete and official position of the NFPA on the referenced subject, which is represented only by the standard in its entirety. 19. Prudent design should consider reasonable to expect variations in occupancy. This design would include not only variations in type of occupancy but also, in the case of warehousing, the anticipated future range of materials to be stored, clearances, changing Storage arrays, packaging, pile height, and pile stability, as well as other factors considered when selecting the design criteria.

9 20. For Storage greater than 12 ft the design density shall not be less than gpm/ft . Reprinted with permission from NFPA 13, Installation of Sprinkler Systems, Copyright 2007, National fire Protection Association, Quincy, MA. This reprinted material is not the complete and official position of the NFPA on the referenced subject, which is represented only by the standard in its entirety. 21. When Storage height is greater than 12 ft regardless of the commodity: 2,000 ft minimum design area for wet pipe systems 2,600 ft area of operation for dry systems 22. The Sprinkler design density for any given area of operation for a Class III or Class IV commodity, calculated in accordance with shall not be less than the density for the corresponding area of operation for Ordinary Hazard Group 2.

10 23. In a typical warehouse with Storage of Class IV. commodities stored on wood pallets stacked 17 ft high with ordinary temperature, standard spray Sprinklers at the ceiling: gpm (original density). x .80 (adjustment). gpm (Adjusted density). 24. gpm (original density). x .80 (adjustment). (adjusted design density). 25. (density for Ordinary Temp Sprinklers ). - (density for High Temp Sprinklers ). (difference). 26. Lets take a look at what our design looks like with other Sprinkler choices for Protection . 27. Table (b) provides design criteria for the use of Specific Application Control Mode ( K-Factor) for Palletized and Solid-Piled Storage of Class I Through Class IV.