Wis. Admin. Code Department of Safety and Professional Services SPS 343.45
All permanent storage installations with systems for filling implements of husbandry or for filling cargo vessels with container capacity of 3500 gallons or less shall have all vapor and liquid risers protected against any break resulting from a pull-away. Each vapor and liquid hose shall have a properly rated excess flow valve, a manual control valve, and a breakaway or shear fitting designed to conform with good engineering practices. For installations existing on November 1, 1999, the breakaway or shear fitting shall be installed by January 1, 2001.
Where needed, a platform shall be provided to prevent standing on pieces of equipment while connecting or disconnecting hoses. For installations existing on October, 1, 2000, the platform shall be provided by October 1, 2001.
Wis. Admin. Code Department of Safety and Professional Services SPS 343.45