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ANSI A156.13 2012 Edition, January 1, 2012
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Mortise Locks & Latches Series 1000
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This Standard establishes performance requirements for Mortise Locks and Latches and includes operational, cycle, strength, material evaluation, security, and finish tests, and dimensional criteria.

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

Grade Qualifications (Also see Appendix A) 

Two classifications of Grades are described in this Standard. Manufacturers shall indicate separately, for both an Operational Grade and a Security Grade level of mortise locks and latches. The minimum acceptable grade level for Operational and Security grades shall be a grade 3. 

Operational Grades shall meet the requirements of Sections 8, 9, 10, 11 and 13. 1.4.1.2 Security Grades shall meet the requirements of Section 12. 

Any function shall be tested for qualification under Operational Grades and all other functions shall be considered as meeting the criteria provided the lock case and operating parts are of the same construction as that of the lock previously tested. 1.4.3

Function F21 or a similar function with dead bolts and function F04 or a similar function without dead bolts to be certified shall be tested with the trim for qualification under Security Grades. All other functions where access is prevented shall be considered as meeting the criteria provided the lock case and operating parts are of the same construction as that of the lock previously tested.

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