High visibility clothing and eye contact/acknowledgment with operator.
Hand gesture, verbal acknowledgment, head nod.
Okland
Subpart E (2)(vi) pg 28
vi. High visibility shirt, vest, or jacket. Okland employees are expected to only wear Okland branded vests, shirts or jackets as their most outer clothing. If an Okland employee does not have Okland branded shirts or jackets or choses to wear shirts or jackets that are not Okland branded, an Okland branded vest shall be worn over the top of their shirt or jacket.
(1) For daytime work, the employee’s most outer shirt, vest, or jacket shall be a bright and vibrant color (e.g. orange, fluorescent yellow, fluorescent green, or similar). This is required to be worn anywhere on the project site inside or outside.
(2) For nighttime work, areas with limited lighting, and work around equipment, the employee’s most outer shirt, vest, or jacket shall be a bright and vibrant color (e.g. orange, fluorescent yellow, fluorescent green, or similar) and shall also be retro-reflective or fitted with retro-reflective striping. The retro-reflective material shall be visible at a minimum distance of 1,000 feet.
(3) Anytime employees are exposed to public vehicular traffic, the requirements for High Visibility Safety Apparel listed in the Manual on Uniform Traffic Control Devices (MUTCD) shall apply to ALL workers with the exposure NOT just the flaggers.
(4) If “hot work” is being conducted, the employee’s high visibility shirt, vest, or jacket shall also be constructed from flame-resistant materials.