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

Minor