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Flammable and Combustible Liquids checklist

The professional inspection solution

You can conduct this checklist for free on the Checkbuster platform. You can use a lap-top, PC or the free inspection App

Dispensing and Use

  • Only approved pumps, drawing from the top of the storage containers, are used to transfer flammable liquids
  • Only approved self-closing valves or faucets are used in gravity transfer of flammable liquids from storage containers
  • Air or gas pressure is prohibited for transfer of flammable or combustible liquids unless the tank, drum or containers has been approved as a pressure vessel
  • Containers and portable tanks used for flammable liquids electrically are bonded or grounded during transfers
  • Leaks and spills of flammable or combustible liquids are disposed of promptly and safely
  • Spills of flammable or combustible liquids are cleaned up promptly
  • The use of flames or sources of ignition is prohibited in areas where flammable vapors may be present

Storage and Use Quantities

  • Storage of flammable and combustible liquids is limited to that required for current activities and maintenance
  • Outside of approved cabinets or storage rooms, containers of Class I liquids are limited to a capacity of one gallon, or two gallons, if safety cans are used
  • Fewer than 10 gallons of Class I and Class II liquids are stored outside of an approved storage cabinet or interior storage room (except in safety cans)
  • Fewer than 25 gallons of flammable liquids are stored in safety cans outside of an approved storage cabinet or interior storage room
  • Fewer than 60 gallons of Class IIIA liquids are stored outside of an approved storage cabinet or interior storage room

Design and Capacity of Containers

  • Only approved containers are used for storing flammable or combustible liquids
  • Flammable and combustible liquid containers are stored

Design, Construction, and Capacity of Storage Cabinets

  • Storage in cabinets is restricted to not more than 60 gallons of Class I or Class II liquids and not more than 120 gallons of Class III liquids
  • All cabinets are labeled in conspicuous lettering: “FLAMMABLE-KEEP FIRE AWAY”.
  • Metal cabinets are constructed so that the top, sides and door are at least #18 gauge sheet iron and double spaced wall with 1-1/2 inch air space
  • The door is provided with a three point lock and a sill raised at least 2 inches above the bottom of the cabinet
  • Wooden cabinets are constructed so that the bottom, sides and top are of approved grade plywood at least 1 inch thick
  • All wooden cabinet joints are rabbetted and fastened in two directions with flat head wood screws
  • When more than one door is used on wooden cabinets, there is a rabbetted overlap of not less than 1 inch
  • No more than three (3) cabinets are located in one fire area.
  • Cabinet vents are sealed unless vented to the outdoors

Design and Construction of Inside Storage Rooms

  • Openings to other rooms or buildings from flammable/combustible liquids storage rooms are provided with a noncombustible liquid-tight raised sill or ramp at least 4 inches in height
  • Openings to storage rooms are provided with approved self-closing fire doors
  • The room is liquid tight where the wall joins the floor
  • The electrical wiring and equipment located inside the storage room especially is designed to prevent possible ignition of any released flammable vapors
  • Every inside storage room is provided with either a gravity or mechanical exhaust ventilation system
  • The ventilation system does have an exhaust not more than 12 inches off the floor
  • The ventilation system does provide for a complete change of air within the room at least six times per hour
  • If a mechanical exhaust system is used, the switch is located outside of the door
  • Ventilation equipment and the lighting fixtures are operated by the same switch
  • When gravity ventilation is provided, the fresh air intake as well as the exhaust outlet from the room are located on the exterior of the building in which the room is located
  • There is a 3 foot wide clearance in the aisle in every storage room
  • Stacking of 30 gallon capacity containers is prohibited

General Storage Inside and Outside Buildings

  • The storage of flammable or combustible liquids prohibited near exits, stairways, or areas is normally used for the safe exit of people.
  • The storage of flammable or combustible liquids is prohibited in office areas except that required for maintenance and operation of building and operation of equipment
  • Portable fire extinguishers are available at locations where flammable or combustible liquids are stored
  • Containers of flammable and combustible liquids are closed when not in use
  • Combustible waste materials and residues are kept to a minimum, stored in covered metal receptacles, and disposed of daily
  • Flammable and combustible liquids are stored in their original container or in an approved safety can
  • Unless the original container is designed to be used, flammable or combustible liquids are transferred to an approved safety can prior to use
  • Open flames and smoking are prohibited in flammable or combustible liquids storage areas.
  • Storage areas for flammable or combustible liquids are kept free from combustible materials