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
Washington
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
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
Changing light bulbs on overhead signs
Washington DOT does not have a strict requirement that lanes be closed while changing lights or doing other overhead work that takes place over a live lane, but it is strongly recommended and … [Read more...] about Changing light bulbs on overhead signs
Top-mounted object markers for delineation of portable concrete barrier wall on highway projects or alternative devices
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
Center lane closure
In many instances Washington shoulder widths and pavement depths do not allow shifting a full lane of traffic onto them, so WSDOT probably couldn't accomodate the plan as shown (S&P2956-1.pdf and … [Read more...] about Center lane closure