8.3.13.5.4 Number of Tests

Three tests shall be made with the maximum load called for, and three tests with the minimum load called for.

The time delay between two consecutive tests shall be not less than 5 min and not more than 30 min. In each of the three tests with maximum load, the value of reference of the buffer force at a stroke equal to 50% of the real height of the buffer given by the applicant shall not vary by more than 5%. For the tests with minimum load, the same procedure shall be followed.