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  1. SystemDesigner

    ESFR AND MULTIPLE ROW RACKS

    Good day all With regards to Table 16.2.3.1 of NFPA 13, if one has a ceiling height of 12.2m and a maximum storage height of 7.6m one can apply E.S.F.R sprinkler protection to class 1 to 4 products stored in multiple row racks. Now under the definition of multiple row racks refer 3.9.3.7.3 of...
  2. SystemDesigner

    ESFR - HYDRAULIC DEMAND

    Hi guys I have a query regarding how to take the number of sprinklers in operation. The rules state: 15.4.3 The design area shall consist of the most hydraulically demanding area of 12 sprinklers, consisting of four sprinklers on each of three branch lines. If this is my arrangement...
  3. SystemDesigner

    Tank in fill valve and flow device

    Hi Guys I need some assistance.... What type of valve should i use for the tank infill? Should the tank infill line have a flow measuring device to monitor the rate of infill. The above must be in accordance with NFPA std.
  4. SystemDesigner

    Maximum water velocity (NFPA13)

    Hi Guys & Gals What is the maximum permissible water velocity in sprinkler pipes?
  5. SystemDesigner

    Rack protection

    Hi guys I'm new to this forum and require help in designing a system for the below mentioned: Goods stored in racks in a coco cola factory Plastic bottles, drums and boxes containing syrup/raw material. the above needs to be in accordance with NFPA. All tips welcome. Thanks

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