Department of Transportation s17

MEMORANDUM DEPARTMENT OF TRANSPORTATION FAX (303)757-9868 Project Development Branch 4201 East Arkansas Avenue Denver, Colorado 80222 (303)757-9040

DATE: October 13, 2005

TO: All Holders of Standard Special Provisions

FROM: Larry Brinck, Standards and Specifications Engineer

SUBJECT: Revision of Section 401, Plant Mix Pavements - General

With this letter, we are issuing a revised version of the existing standard special provision, Revision of Section 401, Plant Mix Pavements – General. This revised special provision is 3 pages long, and is dated October 13, 2005. It replaces and makes obsolete the previous version of this special provision, which was dated October 14, 2003. Use of this revised special provision is mandatory on projects having any grading of hot bituminous pavement that are advertised on or after November 10, 2005. However, please feel free to use it on appropriate projects advertised prior to this date. This revision is being issued to address to: 1. Set a tolerance of ± 1 inch from visible joint seam to the location of the core. 2. Require clear echelon marking. 3. Eliminate coring from intersections and other areas where it is difficult to pave, as directed. 4. Set the number of working days to complete QC and QA testing to within five calendar days of joint construction. This specification will be available at appropriate locations throughout the CDOT Design Support web site and will be listed in a new Index of Standard Special Provisions that will also be dated October 13, 2005. For ease of access, you can find this and other special provisions that are being issued effective this date at: http://www.dot.state.co.us/DesignSupport/Construction/1999index.htm

Please click on the hyperlink titled “Recently Issued Special Provisions”. There, you will find a new Index of Standard Specials, dated October 13, 2005.

Those of you who maintain a file of current Standard Special Provisions should add this new one, and should update the Index of Standard Special Provisions.

If you have any questions or comments, please contact me at 303-757-9474 or Mohan Sagar at 303-757-9402.

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