Section 12 – Construction Area Traffic Control
12/1/03
12.2
12-3 TRAFFIC-HANDLING EQUIPMENT AND DEVICES
12-3.01 General
In addition to the requirements in the Manual, all devices used by the Contractor in the
performance of the Work shall conform to the requirements in this Section (Section 12).
Traffic-handling equipment and devices damaged from any cause during the progress of the
Work shall be repaired or replaced by the Contractor at the Contractor's expense.
12-3.02 Cones
Traffic cones shall be of good commercial quality, flexible material suitable for the purpose
intended. Reflective bands shall be used with cones when lane or road closures are conducted
at night. The outer section of the portion above the base of the cone shall be a highly
pigmented fluorescent orange polyvinyl compound. The overall height of the cone shall be at
least twenty-eight inches (28”). The base shall be of sufficient weight and size or shall be
anchored in a manner such that the traffic cone will remain in an upright position.
If the traffic cones are damaged, displaced, or are not in an upright position, they shall
immediately be replaced or restored to their original location and position by the Contractor.
The traffic cones shall be placed at intervals as shown in the Manual, or as directed by the
Agency.
When no longer required for delineation, all portable cones shall be removed from the work
site.
12-3.03 Portable Channelizers
Portable channelizers shall be fabricated from materials having sufficient rigidity to remain
upright when unattended, but shall be flexible enough to collapse upon impact by a vehicle.
The base shall be of such shape as to prevent roll after impact. The base shall be of sufficient
mass or shall be anchored in a manner such that the channelizer shall remain in an upright
position. Ballast, if used for the bases of portable channelizers, shall be sand or water. On
long-term closures, channelizers shall be affixed to the pavement as required by the Agency.
If the portable channelizers are displaced or are not in an upright position, the channelizers
shall immediately be replaced or restored to their original location and position by the
Contractor.
The vertical portion of the portable channelizer shall be of a fluorescent orange or
predominantly orange color. Reflective bands shall be affixed to all channelizers used for night
operations. The posts shall be not less than three and one-half inches (3-1/2”) in diameter. The
minimum height shall be three feet (3’) above the road surface. When no longer required for
delineation, all portable channelizers shall be removed from the work site immediately.
12-3.04 Telescoping Flag Trees
Telescoping flag trees shall be of good commercial quality material, clean and intelligible,
suitable for the purpose intended, and capable of maintaining an upright position at all times
while in use.
12-3.05 Portable Flashing Beacons
Portable flashing beacons shall comply with Section 12-3.05 of the State Specifications.
Portable flashing beacons shall be assembled to form a complete, self-contained, flashing
beacon that can be delivered to the worksite and placed into immediate operation. Beacons
shall be checked periodically to insure functionality. Any beacons found to be in a condition that
would prevent them from providing adequate warning at night shall be promptly removed from
service and replaced with an operational unit.
12-3.06 Barricades
Barricades are designated by type according to function and physical characteristics. Type
I, II and III barricades are portable construction barricades; Type IV barricades are intended for



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