ALI A14.9
$177.00
American National Standard (ASC) Safety Requirements for Disappearing Attic Stairways
standard by American Ladder Institute, 2019
ALI A14.9-2019 prescribes rules concerning the safe design, construction, testing, care, installation and use of permanently installed metal or wood, disappearing attic stairways of various types designed to be used for access to upper levels such as attics. Household units with duty ratings of 250, 300 and 350 lbs., or commercial units with a rating of 500 lbs. are the only units covered in this standard. This standard is not intended to apply to any attic stairway covered in any other ANSI A14 standards, or disappearing attic stairways intended for use with ceiling heights in excess of 12 feet. This standard also prescribes rules and minimum requirements for installation instructions and labeling of disappearing attic stairways in order to promote safety under normal conditions of usage.
Product Details
- Published:
- 2019
- ANSI:
- ANSI Approved
- Number of Pages:
- 35
- File Size:
- 1 file , 650 KB
- Redline File Size:
- 2 files , 5 MB
- Note:
- This product is unavailable in Ukraine, Russia, Belarus
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