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DocuSign Envelope ID: 313DA256 -1EDE- 4396- A716- 4C53B809027E <br />JERRY M. PASSMORE CENTER ADDITION AND RENOVATION <br />HILLSBOROUGH, NORTH CAROLINA <br />IN Ml 9 11 CEO! 9012l130001►fy <br />A. Environmental Limitations: Do not apply asphalt materials if subgrade is wet or excessively <br />damp, if rain is imminent or expected before time required for adequate cure, or if the following <br />conditions are not met: <br />1. Prime Coat: Minimum surface temperature of 60 deg F (15.6 deg Q. <br />2. Tack Coat: Minimum surface temperature of 60 deg F (15.6 deg Q. <br />3. Slurry Coat: Comply with weather limitations in ASTM D 3910. <br />4. Asphalt Base Course: Minimum surface temperature of 40 deg F (4.4 deg C) and rising <br />at time of placement. <br />5. Asphalt Surface Course: Minimum surface temperature of 60 deg F (15.6 deg C) at time <br />of placement. <br />B. Pavement - Marking Paint: Proceed with pavement marking only on clean, dry surfaces and at a <br />minimum ambient or surface temperature of 40 deg F (4.4 deg C) for oil -based materials, and <br />not exceeding 95 deg F (35 deg Q. <br />2.1 AGGREGATES <br />A. General: Use materials and gradations that have performed satisfactorily in previous <br />installations. <br />B. Coarse Aggregate: ASTM D 692, sound; angular crushed stone, crushed gravel, or cured, <br />crushed blast - furnace slag. <br />C. Fine Aggregate: ASTM D 1073 , sharp -edged natural sand or sand prepared from stone, gravel, <br />cured blast - furnace slag, or combinations thereof. <br />1. For hot -mix asphalt, limit natural sand to a maximum of 20 percent by weight of the total <br />aggregate mass. <br />D. Mineral Filler: ASTM D 242 rock or slag dust, hydraulic cement, or other inert material. <br />2.2 ASPHALT MATERIALS <br />A. Asphalt Binder: AASHTO M 320 or AASHTO MP 1 a, per NCDOT specifications. <br />B. Asphalt Cement: ASTM D 946 for penetration - graded material. <br />C. Prime Coat: Asphalt emulsion prime coat complying with NCDOT requirements. <br />D. Water: Potable. <br />ASPHALT PAVING 321216-3 <br />