Coast Guard aids to navigation by United States. Coast Guard

By United States. Coast Guard

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2 Measure the height of the test specimen in accordance with ASTM D 3549. Reject specimens with an average height outside the height tolerance listed in Table 1 . Record the average height. 3 Using a straightedge and feeler gauges, measure the flatness of each end. Place a straightedge across the diameter at three locations approximately 120 degrees apart, and measure the maximum departure of the specimen end from the straightedge using tapered-end feeler gauges. For each end, record the maximum departure along the three locations as the end flatness.

4 Compute the air void content of the test specimen in accordance with T 269. Record the air void content of the test specimen. Reject test specimens exceeding the air void tolerances specified in the applicable test. 1 Mark the test specimen with a unique identification number. 2 Store the test specimen, until tested, on its end on a flat shelf in a room with the temperature controlled between 15 and 27°C. Note 1l-Definitive research concerning the effects of test specimen aging on various mechanical property tests has not been completed.

Post-consumer asphalt shingles shall be processed prior to use to meet the requirements of Section 8 of this specification and shall consist of asphalt roll roofing, cap sheets, and shingles, including underlayment, only. Roofing debris, including coal tar epoxy, rubber materials, or other undesirable components, shall not be used. Post-consumer asphalt shingles shall be certified as conforming to EPA’s NESHAP and any other local requirements concerning asbestos. 3. Manufactured shingle waste and post-consumer asphalt shingles shall not be blended for the production of new HMA.

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