AASHTO R 61-12 (2020) contains general criteria and guidelines for establishing requirements for equipment calibrations, verification of calibrations, standardizations, and checks. This practice is intended to be used for equipment and test methods not specifically addressed in R 18.This standard was formerly designated as provisional standard PP 57.
AASHTO R 61-12 (2020)
Original price was: $89.00.$44.00Current price is: $44.00.
Standard Practice for Establishing Requirements for Equipment Calibrations, Standardizations, and Checks
American Association of State Highway and Transportation Officials , 2012