1.1 These test methods cover testing of concrete pipe, manhole sections, and tile. The test methods described are used in production testing and acceptance testing to evaluate the properties provided for in the specifications.
1.3 The test specimens shall not have been exposed to a temperature below 40°F for the 24 h immediately preceding the test.
1.4 If any test specimen fails because of mechanical reasons such as failure of testing equipment or improper specimen preparation, it shall be discarded and another specimen taken.
1.5 Specimens shall be selected in accordance with the specifications for the type of pipe or tile being tested.
1.6 A complete metric companion to Test Methods C497 has been developed—C497M; therefore, no metric equivalents are pr......
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