AC77 Smoke-Containment Systems Used with Fire-Resistance-Rated Elevator Hoistway Doors and Frames and at the Intersection of Elevator Lobby and Corridor - Published 2025 (PDF Download)

The PDF/Redline Download option contains PDF files of both the I-Code and a Redline version of the I-Code which shows changes from the previous edition marked in the color red. With the Redline you can see what has been changed from the previous edition. This option is a searchable PDF download that requires a PDF Reader. It is mobile compatible with mobile tablets and smart phones that support the PDF format. The PDF Download is licensed per individual, who may place the file on up to four electronic devices for their personal use. Distribution of the PDF is not permitted. For a volume license the PDF is licensed to the person to which it is assigned. Use on a local area network or other network is not permitted.