Where and How to Display Hazard and Safety Flags for
Airport Construction To mark construction vehicles. Vehicle
flags should be 3’ by 3’ in dimension with an orange and white
checkerboard pattern utilizing 1’ x 1’ squares.
To mark construction hazards including barricades,
taxiways leading to closed runways, open manholes, stockpiled
materials, or other related hazards. They can be either solid
orange or orange and white. They must be a minimum of 20” x 20” and
must be securely fastened and fully extended for visibility. When
marking a large area or a number of objects they should be set a
minimum of every 20’.
To temporarily mark other large structures such as
cranes or drilling rigs for daytime visibility. They can be solid
aviation orange, white/orange triangular, or orange/white
checkerboard and must be a minimum of 2’ x 2’. When using the
checkerboard pattern a 3’ x 3’ size is recommended. They should be
stiffened to increase visibility and should be displayed at the
highest point no more than 50’ apart. A spacing of 30’ on closely
grouped hazards is recommended. Source - Federal Aviation Administration. Photograph - San
Francisco Chronicle (Oakland Airport, SWA Terminal 2) |
