|
|
TITLE: |
||
|
|
|||
|
DOCUMENT ID: |
6132
Appendix T2 Fixed
Ladders |
||
|
|
|||
Fixed ladders
are permanently attached to buildings or other structures. All fixed ladders must meet the following
safety requirements:
·
Permit a 30-inch
clearance with a minimum 24-inch on the climbing side of the ladder, unless
caged.
· Include at least a 7-inch clearance in back of the ladder to provide adequate toe space.
·
Maintain side rails
extending 3 1/2 feet. above landings.
·
Allow a clear width of
15-inch on every side of the center line of the ladder, unless used with cages
or wells.
·
Fixed ladders longer
than 24 feet must be protected by a cage guard or well.
·
Rungs must be able to
support a single concentrated load of at least 250 lbs.
·
A landing platform
shall be provided at least every 50 feet.
·
The rungs of a ladder
must:
o have a minimum diameter of 3/4 inch for metal ladders, or 1 1/8 inch for wood ladders
o be parallel, level and uniformly spaced
o not be more than 12 inches apart
o
not be more than 16
inches long
· A metal ladder must be painted or otherwise treated to resist deterioration.
|
|
ISSUING
AUTHORITY |
APPENDIX
AUTHOR |
APPROVAL
DATE |
EFFECTIVE
DATE |
EXPIRATION
DATE |
REV. |
|
|
|
|
ESH&Q Division |
06/01/01 |
06/01/01 |
06/01/04 |
0 |
|