Current through Register Vol. 24-06, March 15, 2024
In addition to any codified vehicle safety requirements,
what other safety equipment may be required on a special permit move?
The following items may be required on a vehicle or vehicle combination making
a move under special permit:
(1)
Brakes.
(a) Braking equipment
must comply with the performance and maintenance requirements of
RCW
46.37.360, unless specifically stated on the
special permit.
(b) A special
permit will not be issued to a vehicle "in tow" of another vehicle without
brakes unless a three-axle truck or truck-tractor with a minimum unladen weight
of fifteen thousand pounds is employed as the power unit. The power unit must
also have sufficient power and brakes to control the towed unit at all
times.
(2)
Drawbar-Towline.
(a) The drawbar
or other connection between vehicles in combination must be of sufficient
strength to hold the weight of the towed vehicle on any grade where
operated.
(b) No trailing unit
shall whip, weave, or oscillate or fail to follow substantially in the course
of the towing vehicle.
(3)
Flags.
(a) Flags must be displayed on all four
corners of all overwidth loads, and at the extreme ends of all protrusions,
projections, or overhangs as required by
RCW
46.37.140. During hours of darkness, lights
as required by
RCW
46.37.140 shall be located at each point
where flags are required.
(b) When
the distance between the towed vehicle and the towing vehicle exceeds fifteen
feet, a white flag or cloth not less than eighteen inches square must be
fastened at the approximate middle of the span.
(4)
Lights. Vehicles, whether
factory direct or custom built, used in the transport of extra-legal loads must
be equipped with brake lights and turn signals as required by
RCW
46.37.200.
(5)
Two-way communications. When
pilot/escort vehicle(s) are required, the transport vehicle must be equipped
with a two-way radio communications system capable of providing reliable
two-way voice communications at all times between the operators of the
pilot/escort vehicle(s) and the transport vehicle.
(6)
Rear-view mirrors.
(a) Rear-view mirrors must be mounted in
compliance with
RCW
46.37.400.
(b) Pilot/escort vehicles may be used in lieu
of the two hundred-foot rear sight/distance requirement in
RCW
46.37.400.
(7)
Safety chains and devices.
(a) A load being moved by special permit must
be securely fastened and protected by safety chains or other load securing
devices pursuant to Code of Federal Regulation, 49 C.F.R. Part
393.100.
(b) Dragging of the load
on the highway shall not be permitted.
(c) A vehicle with a boom or other aerial
device attached must have the boom or device secured in such a manner that it
cannot elevate (ratchet up) or sway during transport.
(8)
Signs.
(a) Warning signs displaying "OVERSIZE LOAD"
shall be mounted in the front and rear of the transporting vehicle where the
lights and license plate(s) are not blocked and the sign is visible from the
front and rear of the transport vehicle.
(b) Signs are to be displayed only during
transit of an over dimensional load and must be removed or retracted at all
other times.
(c) An "OVERSIZE
LOAD" sign must be at least seven feet wide and eighteen inches high with black
lettering at least ten inches high in with a brush stroke between 1.4 and 1.5
inches on yellow background.
Statutory Authority:
RCW
46.44.090. 05-04-053, § 468-38-155,
filed 1/28/05, effective 2/28/05.