CAN/CGSB-69.31-M89

This National Standard of Canada is identical to American National Standard ANSI/BHMA A156.15-1981. 1.1 This Standard establishes requirements for door closers combined with hold-open devices or free-swinging door closers combined with releasing devices and includes performance tests covering operational, cyclical and finish criteria. 1.2 Tests described in this Standard are performed under laboratory conditions. In actual usage, results may vary because of installation, maintenance and environmental conditions. 1.3 Instructions shall be included with the product requiring the end users to, 1) test the product after installation in accordance with the manufacturer's criteria, 2) periodically test the products in conjunction with the fire alarm system and, 3) maintain the door closing system in working order.