Washington state has no requirement to put reflectors on permanent barrier. The state does, however, require them on any temp barrier 6" down on the face. A variety of manufactureres are approved. … [Read more...] about Top-mounted object markers for delineation of portable concrete barrier wall on highway projects or alternative devices
Washington
Placement of G20-1 signs
Washington state uses the G20-1 sign infrequently. When used, it is placed in advance of the W20-1. … [Read more...] about Placement of G20-1 signs
Switched from Construction/Engineering Grade sheeting to High-Intensity sheeting for barrels and barricades
Washington's specs requires any of the following reflective material on barrels: At least 2 orange and 2 white circumferential stripes. Each stripe shall be 4 to 6 inches wide and shall be … [Read more...] about Switched from Construction/Engineering Grade sheeting to High-Intensity sheeting for barrels and barricades
Personal protective equipment requirements
Washington state DOT requires its employees to wear:Hard hats - Flaggers must wear a hard hat at all times. Other workers are required to wear a hard hat when performing certain work activities or … [Read more...] about Personal protective equipment requirements
Time frame allowed for lane closure setup (e.g., 9:00am to 3:30pm)
In Washington: - Lanes cannot be closed until 9am, but the contractor could place drums or cones along the side of the road. - Signs could not be displayed until 9am, but the contractor could place … [Read more...] about Time frame allowed for lane closure setup (e.g., 9:00am to 3:30pm)
Contractor identification sign in work zones
Washington DOT allows the use of contractor identification signs on projects and has developed criteria for their use. There are two signs that are used and the criteria can be viewed at the following … [Read more...] about Contractor identification sign in work zones