sprinkler cakculator by Ornanit.xls
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Fire Sprinklers Calculator

  FIRE SPRINKLER CALCULATOR      
EHS Tools by ORNANIT
Based on NFPA 13 2007 ed
  SYSTEM DATA      
Location Main Office
     
  Protected area ft2   Ceiling height ft  
  Hazard Class
Type of system  
 
  Storage Commodity (Do not fll if ESFR)
     
  Type of storage (Do not fll if ESFR)
       
  Sprinklers K (manual) gpm/psi^0.5      
  Sprinklers K gpm/psi^0.5      
  Distance to water supply ft        
  Hydraulic calculator RESULTS   Pipe diameter to water supply inch    
Pressure at spr psi
  Density gpm/ft2   Min spr. flow gpm  
HMD ft2
Hose gpm
Required flowrate gpm
  Required water supply gpm @   Required pressure (system) psi  
  Required pressure (supply) psi  
       
  PUMP CRITERIA        
       
Flow gpm
Pressure psi
Suction Dia inch
Discharge inch
  Relief valve Dia inch   Relief valve discharge Dia inch  
  Meter device Dia inch      
  Water supply      
         
Duration Hour
  Water reservoir US Galons =   M3  
  SPRINKLERS INSTALLATION      
Max distance between spr ft
Max area covarage
ft2
Max distance below ceiling inch
System Protection Area Limitations ft2
     
All rights reserved to Eng. A. Ornan ltd 2008 www.ornan.com      
         

Hazard Occupancies list

  FIRE SPRINKLER CALCULATOR  
EHS Tools by ORNANIT
Based on NFPA 13 2007 ed
  HAZARD OCCUPANCIES LIST  
  Light Hazard occupancy  
  Churches  
  Clubs  
  Eaves and overhangs, if of combustible construction with no combustibles beneath  
  Hospitals  
  Institutional  
  Libraries, except large stack rooms  
Museums
Nursing or convalescent homes
Offices, including data processing
  Residential  
Restaurant seating areas
Theaters and auditoriums, excluding stages and prosceniums
  Unused attics  
  Ordinary Hazard 1  
  Automobile parking and showrooms  
Bakeries
  Beverage manufacturing  
Canneries
Dairy products manufacturing and processing
Electronic plants
  Glass and glass products manufacturing  
Laundries
  Restaurant service areas  
  Ordinary Hazard 2  
Cereal mills
Chemical plants — ordinary
  Confectionery products  
Distilleries
Dry cleaners
Feed mills
Horse stables
Leather goods manufacturing
Libraries — large stack room areas
Machine shops
Metal working
Mercantile
Paper and pulp mills
  Paper process plants  
  Piers and wharves  
  Post offices  
  Printing and publishing  
  Repair garages  
  Resin application area  
  Stages  
  Textile manufacturing  
  Tire manufacturing  
  Tobacco products manufacturing  
  Wood machining  
  Wood product assembly  
  Extra Hazard 1  
  Aircraft hangars (except as governed by NFPA 409, Standard on Aircraft Hangars)  
  Combustible hydraulic fluid use areas  
  Die casting  
  Metal extruding  
  Plywood and particle board manufacturing  
  Printing [using inks having flash points below 100°F (38°C)]  
  Rubber reclaiming, compounding, drying, milling, vulcanizing  
  Saw mills  
  Textile picking, opening, blending, garnetting, or carding, combining of cotton, synthetics, wool shoddy, or burlap  
  Upholstering with plastic foams  
  Extra Hazard 2:  
  Asphalt saturating  
  Flammable liquids spraying  
  Flow coating  
  Manufactured home or modular building assemblies (where finished enclosure is present and has combustible interiors)  
  Open oil quenching  
  Plastics processing  
  Solvent cleaning  
  Varnish and paint dipping  
     
   
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