Ansi A14 3 Fixed Ladders
Harmony regulatory and consensus standards.
Ansi a14 3 fixed ladders. The a14 3 standard was. Ansi aisc 303 16 code of standard practice for steel buildings and bridges american national standards institute inc. Ansi ansi asc a14 3 2008 american national standard for ladders fixed safety requirements american society of civil engineers asce. A cage or well on a fixed ladder prevents lateral movement containing the individual climbing the ladder and offering the comfort of a surrounding safeguard.
American national standards for ladders fixed safety requirements the safety standard for fixed ladders contains an entire section devoted to these enclosures. Under conditions where the ladder safety device does not meet the requirements for a ladder safety device as defined by 29 cfr 1910 21 e 13 or ansi a14 3 1956 section 2 13 or where no ladder safety device is provided appropriate standards in 29 cfr 1910 27 d 1 cages or wells and d 2 landing platforms or 29 cfr 1926 450 a 5 shall. Ansi a14 3 2008 standard for ladders. All seven standards have been developed by subcommittees reporting to american national.
Fixed ladders usually metal in separate standards. A fixed ladder is a non self supporting ladder that is non adjustable in length and permanently attached to a structure at a pitch ranging from 60 degrees to 90 degrees from the horizontal. Ansi asc a14 3 and bs en iso 14122 fixed ladder safety of machinery package british standard the ansi asc a14 3 and bs en iso 14122 fixed ladder safety of machinery package provides the means to gain safe access to machinery when the necessary access to the machine is not possible from the ground level. It is one of a series of seven standards prepared under the supervision of american national standards committee asc a14.
The preferred pitch of a fixed ladder is between 75 degrees and 90 degrees from the horizontal. Interpretation letter ansi asc a14 3 2008 pdf 153 46 kb more administration 7 22 2014 interpretation of the applicability of the american national standard for ladders fixed safety requirements 2008 ansi a14 3 section 5 2 1 1 requirements for side rail shapes. Subcommittee a14 3 was created for the purpose of reviewing the data on fixed ladders originally contained in the code prior to the 1948 revision and making any changes or additions necessary to conform to the requirement of interested groups.