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ODOT Issues 2008 Specifications Book ODOT has completed its revision of the Construction and Materials Specifications (CMS) for 2008. The final version, dated Jan. 1, 2008, is available on the ODOT Web site at: http://www.dot.state.oh.us/construction/OCA/Specs/2008CMS/2008_ whole_12212007%20With%20Index_HQ.pdf A version with the changes and edits highlighted can be found at: http://www.dot.state.oh.us/construction/OCA/Specs/Rewrite2008/ Specdistribution.htm The printed version of the 920-page CMS should be available in mid-to- late February, and will be available for purchase through the office of Contracts. Unfortunately, we understand that the cover colors of the new book will be maize and blue. The 2008 CMS has many changes in the 100 Section that governs con- tract administration, including incorporation of the new change-order procedures. Supplemental Specs (SS), Proposal notes and Supplements are also undergoing revisions and are due to be complete by April 18, 2008. Once these are finalized, the new specs will be available for use on contracts. Thus, the first projects to be let under the 2008 specs will appear about June, and by September all projects should be let under the 2008 CMS. The 2008 specs also incorporate many changes to the hot mix asphalt specifications. All sections have at least minor revisions and some major changes are included for the first time. The 2008 CMS will include all of the spec changes approved through early 2007, and will incorporate many of the supplemental specs under which we have been working on since the 2005 CMS was published. Some un-used or seldom-used specs have been removed and some were made Supplemental Specifications. Here is a look at a few of the revisions that can be found in the 2008 CMS: • Items 306, 307 and 308 (free draining bases) have been deleted, while Item 306 becomes SS 850 and Item 308 (asphalt treated free draining base) becomes SS 851. • Item 401 and 441 have been revised to incorporate language to require uniformity of placed mix, provisions for processing recycled asphalt pavement (RAP), allowing a greater percentage of RAP in intermediate courses, sampling requirements for binder, special illumination requirements for night work, sealing of cold joints and numerous editorial changes. • Item 403 has the moving accumulative range (MAR) requirements added. • Item 448 has been revised to incorporate the density quality control requirements previously found in SS 800. The current (2005 specs) version of SS 800 will be superseded with SS 800-2008 in April when the Supplemental updates are issued. OA Ohio Asphalt Winter 2008 7PDF Image | Porous Asphalt Pavement
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