Guide to Degree of Hazard

Standard CSA B64.10-07/B64.10.1-07, Selection and Installation of Backflow Preventers/Maintenance and Field Testing of Backflow Preventers (2008), has categorized the following building types or facilities with the indicated degree of hazard.

  • Severe
    • Aquaculture farm
    • Aquarium (public)
    • Asphalt plant
    • Auto body shop
    • Automotive repair shop
    • Automotive repair
    • Beverage processing plant
      (includes distillery and brewery)
    • Blood clinic
    • Campsite with RV hook-ups or dump-stations
    • Carwash
    • Chemical plant
    • Concrete plant
    • Dental surgery facility
    • Dock and marine facility
    • Dry cleaning plant
    • Dye plant
    • Exhibition ground
    • Film processing facility
    • Fish farms or hatchery
    • Food processing plant
    • Garbage transfer facility
    • Hospital
    • Laboratory
    • Laundry (commercial)
    • Meat packing plant
    • Medical clinic (surgical)
    • Milk processing plant
    • Mining facility
    • Mortuary or morgue
     
    • Motorcycle repair facility
    • Oil refinery
    • Paint manufacturing plant
    • Petroleum processing or storage facility
    • Pharmaceutical manufacturing facility
    • Photo processing facility
    • Plants using radioactive material
    • Plastic manufacturing plant
    • Plating shop
    • Poultry farm
    • Power generating facility
    • Premises where access is prohibited
    • Printing plant
    • Pulp and/or paper plant
    • Radiator shop
    • Recycling facility
    • Refinery, petroleum processing
    • Rendering facility
    • Research building
    • Sewage dump station
    • Sewage treatment plant
    • Steel manufacturing plant
    • Wastewater facility
    • Wastewater pump station
    • Wastewater treatment plant
    • Water filling station
    • Water treatment plant
    • Water treatment pump station
    • Zoo
  • Moderate to Severe
    • Animal feed lot
    • Animal stock yard
    • Commercial premises
    • Farm
    • Fire station
    • Funeral home
     
    • Golf course
    • Industrial and institutional premises
    • Marina (pleasure-boat)
    • University
    • Veterinary clinic
    • Waste disposal plant
  • Moderate
    • Airport
    • Apartment building
    • Arena
    • Auto dealership
    • Campsite
    • Dental office
    • Fuel dispensing facility
    • Grocer
    • Hair salon
    • Hotel
    • Kennel
     
    • Laundry (commercial, coin-operated)
    • Manufacturing plant (not specified)
    • Medical clinic (non surgical)
    • Mobile home park
    • Motel
    • Nursing home
    • Penitentiary
    • Restaurant
    • School
    • Swimming pool facility
    • Water park
  • Minor to Moderate
    • Church
  • Minor
    • Duplex housing with shared service
    • Residential premises
    • Townhouse (shared services)