scope:

PART 1

This portion of ANSI/BHMA A156.5 establishes requirements for Auxiliary Bored and Mortise Locks, Rim Locks, Cylinders and Push Button Mechanisms and includes security tests, operational tests, finish tests, and dimensional criteria.

Tests described in this Standard are perfonned under laboratory conditions. In actual usage, results vary because of installation, maintenance and environmental conditions.

When locks and latches are used in fire door assemblies, they shall be listed for use in fire doors by a Nationally Recognized Testing Laboratory (NRTL) and shall be under an in-plant follow-up inspection service.

Grade Qualifications Three classifications of tests are described in this Standard, Operational, Finish and Security. Manufacturers shall indicate the Grade level of their locks. Locks shall meet all Operational Tests 9, Finish Tests 10, and Security Tests 11 for their grade listing. A Grade 1 lock shall meet all Grade 1 criteria, a Grade 2 lock shall meet all Grade 2 criteria, and a Grade 3 lock shall meet all Grade 3 criteria in each classification.

PART 2

This portion of ANSI/BHMA A156.5 establishes requirements for Indexed Key Control Systems and includes operational and finish tests.

Tests described in this Standard are performed under laboratory conditions. In actual usage, results vary because of installation, maintenance and environmental conditions.