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CEN/TC 227 N 4197, Revision of EN 12697-38:2004 Bituminous mixtures - Test methods - Part 38: Common equipment and calibration

Scope

This document specifies general requirements for common test equipment, calibration procedures and reagents for the testing of bituminous materials in the EN 12697 series of standards.

NOTE 1 This document makes use by reference of the requirements for common equipment and calibration prepared for aggregates.

NOTE 2 Bodies providing accreditation of test equipment may need to consider alternative requirements and/or calibration frequencies in order to cover the possibilities of National Health & safety, regulatory and legislative requirements.

Advice is also given on recommendations for laboratory management (annex A), on the accuracy of measurement (annex B) and on the rounding of values for reported results (annex C).

Purpose

The main purpose for revision is to:

• Harmonize the title (deletion of “for hot mix asphalt”) according to previous decisions within CEN/TC227 for consistency with other published test methods

• Update the standard text according to CEN/CENELEC Internal regulations part 3:2019

• Investigate and collect experiences during CEN-Enquiry for further improvement

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Please email further comments to: debbie.stead@bsigroup.com

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