412.3 412.3(g)
not use 6.3 mm wearing course paving mixture for material placed directly on top of membrane systems.
412.3CONSTRUCTION —Section 413.3 with additions and modifications as follows:
413, for field control and evaluation of asphalt concrete paving operations. Submit the QC Plan to the Representative before or at the pre- construction conference. The QC Plan must describe the construction equipment and methods necessary to construct and test the asphalt concrete courses as specified in Section 412.3. The WMA Technical Representative will provide all recommendations and direction specific to the WMA technology in the paving operation QC Plan. Do not start paving until after the Representative reviews the QC Plan.
an asphalt preplacement meeting with the Representative to review at a minimum the specification, paving operation QC Plan, sequence of paving operations, mixture acceptance, density acceptance and the care and custody of asphalt acceptance samples.
March 31 in Districts 1 -0, 2-0 (except Juniata and Mifflin Counties), 3- 0, 4-0, 5-0 (Monroe and Carbon Counties only), 9- 0 (Cambria and Somerset Counties only), and 10- 0; and from October 16 to March 31 in Districts 2 -0 (Juniata and Mifflin Counties only), 5- 0 (except Monroe and Carbon Counties), 6- 0, 8-0, 9-0 (except Cambria and Somerset Counties), 11 -0 and 12- 0. No exceptions to paving weather limitations will be a llowed unless approved in writing by the District Executive. Do not place asphalt paving mixtures when surfaces are wet , when the air or surface temperature is 50F or lower. If work is halted because of weather conditions, the Representative may allow the Contractor to place limited quantities of mixture that are e nroute to the project.
If an exception to the Weather Limitation dates is approved by the District Executive f or 6.3 mm wearing course, the minimum surface temperature of 50F , and an air temperature of 40F will be strictly enforced and compaction of the asphalt mixture completed as quickly as possible.