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Section 12 – Construction Area Traffic Control

before it becomes legally enforceable.

12-3.08.G Protection, Maintenance, Removal, Storage, and Resetting of Signs

The protection and maintenance of existing signs and the removal, protection, storage, and

resetting of traffic signs that are affected by the Work is the responsibility of the Contractor, as

directed by the Agency or as specified in the Special Provisions. The Contractor shall inventory

all existing signs prior to the start of work. The Agency will confirm the inventory in writing prior

to the start of work.

12-3.08.H Movement of Traffic Signs and Traffic Control Facilities

Existing traffic signs and traffic control facilities within the limits of the Work shall not be

moved except as necessary to prevent them from being damaged by construction operations or

as directed in writing by the Agency. When a sign needs to be removed because it interferes

with the Contractor's work, it shall be done only with the written permission of the Agency.

12-3.08.I “Road Construction Ahead (C-18)” and “End of Construction (C-13)” Signs

All scheduled road construction within the right-of-way lasting longer than twenty-four (24)

hours shall have permanent construction signs installed. C-18 “Road Construction Ahead”

signs shall be installed at the approaches to the Work and C-13 “End of Construction” signs

shall be installed at the egresses of the Work. Each sign shall be permanently placed on a four-

inch by four-inch (4" x 4") post and shall remain in place until the Work has been completed, or

until directed by the Agency in writing. Exact placement of the signs will be determined in the

field by the Agency.

12-3.08.J Contractor Furnished Signs

The size, wording, and location of all signs furnished and erected by the Contractor must be

approved by the Agency prior to placement.

12-3.08.K Obscuring Visibility and Conflicting With Meaning

Signs or other protective devices furnished and erected by the Contractor shall not obscure

the visibility of, nor conflict in intent, meaning, and/or function with existing signs, lights, or traffic

control devices, or any construction area signs, lights, and traffic control devices.

12-3.08.L Permanent Construction Signs

Permanent construction signs shall be installed on wood posts in the same manner shown

on the Plans for installation of roadside signs.

Post sizes and numbers of posts shall be as shown on the Plans, except that when

stationary mounted signs are installed and the type of sign installation is not shown on the

Plans, post size and the number of posts will be determined by the Agency. Posts shall be

good, sound, wood posts, suitable for the purpose intended.

Sign panels for stationary signs shall consist of Type IIIA reflective sheeting applied to a

sign substrate. Sign panels shall conform to the requirements specified for aluminum signs in

the Caltrans “Specifications for Aluminum Signs”. Copies of the Caltrans “Specifications for

Reflective Sheeting Aluminum Signs and Framing Details for Sheet Aluminum Signs” may be

obtained from the Caltrans Office of Business Management, Materiel Operations Branch, 1900

Royal Oaks Drive, Sacramento, CA 95815.

Sign panels shall also conform to the following:

Type IIIA reflective sheeting and aluminum substrates shall be as specified in the

“Specifications for Reflective Sheeting Aluminum Signs”. Sign substrates fabricated

from materials other than aluminum shall be as specified in the Special Provisions.

Legend and border may be applied by a screening process or by use of pressure

sensitive cut-out sheeting. Size and spacing of letters and symbols shall be as

depicted on the sign specification sheets published by Caltrans. Copies of the sign

specifications may be purchased from the Caltrans Publication Unit, 1900 Royal