Standard Practice for
the Operation of the Tetrapod Walker Drum Tester1
This standard is issued under the fixed designation D 5251; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
click below Astm D 5251 – 98a (Reapproved 2003) pdf free download