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not effective if placed on pavements in poor to bad condition. Additionally, the project team will<br />
address the differences between the S3 systems and provide guidance where each will meet<br />
expected performance expectations. For example, if quick return to traffic and friction are<br />
important functional characteristics desired by the agency, the use of a high traffic mixture may<br />
be preferred over a low traffic one.<br />
The guidelines will also address constructability issues that need to be considered during the<br />
placement of these techniques. This will include mixing, wetting, and adhesion at the placement<br />
site as well as techniques to preclude segregation of the mix and homogenous spreading of the<br />
mix over the pavement surface.<br />
Guidance will be provided to both agency and contractor personnel regarding the things to<br />
evaluate for proper curing characteristics of the emulsion. It is also important that identification<br />
be made of those characteristics that are of utmost importance in assuring the long-term<br />
performance of the mix. This will be dependent on the quality and reproducibility of the mix<br />
design and the condition of the existing pavement.<br />
The team will develop the necessary specifications for S3 mixes. Work on this effort has<br />
already begun. Working with existing specifications from agencies that have a great deal of<br />
experience with these systems as a starting point, we will include the new test methods and<br />
other appropriate sections in the specifications that we prepare.<br />
5.0 TASK 2: DEVELOPMENT OF THE TRAINING PROGRAM<br />
Under this task, the Fugro team will develop a comprehensive training program as the principal<br />
aid in the implementation of the new slurry/micro-surfacing mix design procedure. The program<br />
will include two primary training elements:<br />
• A 1.5-day course designed to educate State highway agency personnel (at several<br />
levels), contractor personnel, and material suppliers on the technology and overall<br />
application of the new mix design procedure.<br />
• A 1-hour presentation module that can be used to appraise inspectors and contractor<br />
personnel of the required new/improved construction procedures that have come<br />
about as a result of the new mix design procedure. We refer to this effort as a<br />
“tailgate” training package.<br />
These two components will be treated as separate, but complementary, sets of training<br />
materials. A more detailed discussion of the development plans for each is provided below.<br />
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