Ariz. Admin. Code § R17-6-212 - Class C Overweight, or Oversize and Overweight, Special Permit - Tridem Axle Group Configurations
A.
The Department may issue a single trip class C overweight, or oversize and
overweight, special permit for tridem axle group configurations a specific
non-reducible vehicle, combination of vehicles, or vehicle and load combination
that exceeds the maximum permitted weight computations for overweight axle
group weight distribution as provided under
R17-6-411,
if the vehicle, combination of vehicles, or vehicle and load combination is
equipped with at least one tridem axle group configured as provided under
subsection (C) to achieve a maximum permitted weight of 60,000 pounds per
tridem axle group subject to the specific routes and restrictions provided
under Table 4.
B. An applicant for
a single trip class C overweight, or oversize and overweight, special permit
for tridem axle group configurations shall apply to the Department using the
application procedure provided under
R17-6-103,
and include the $75 standard permit fee with the $15 class C review and
analysis fee as provided under
R17-6-211.
C. The single trip class C overweight, or
oversize and overweight, special permit for tridem axle group configurations is
available only for a vehicle, combination of vehicles, or vehicle and load
combination equipped with at least one tridem axle group configured in
conformance with the following criteria:
1. A
minimum of four tires per axle, or two 14-inch wide tires per axle in each
tridem axle group;
2. A minimum
distance of eight feet out-to-out axle width for each tridem axle
group;
3. A minimum distance of
nine feet, and a maximum distance of 14 feet, between the center of the first
axle and the center of the third axle of each tridem axle group, except as
provided under subsection (D);
4. A
minimum distance of 13 feet 7 inches between the center of the front steering
axle and the center of the first axle of any consecutive tridem or tandem axle
group; and
5. A minimum distance of
14 feet 1 inch between any two consecutive tridem or tandem axle groups,
measured from the center of the last axle of the front group to the center of
the first axle of the next group, with no other axles
between.
D. A tridem axle
group may be used in combination with other non-tridem axle groups if the
non-tridem axle groups do not exceed the maximum permitted weight computations
for overweight axle group weight distribution provided under
R17-6-411.
E.
A permit applicant with a vehicle, combination of
vehicles, or vehicle and load combination exceeding 14 feet in width, 16 feet
in height, 120 feet in length, 140,000 lbs overall gross vehicle weight, or any
other dimension specified above shall continue to follow the Department's
existing Class C permit application procedures provided under
R17-6-204.
Notes
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