OSHA
OSHAOCCUPATIONAL SAFETY AND HEALTH ADMINISTRATIONU.S. DEPARTMENT
OF LABOR
Subpart D: Walking and Working Surfaces29 CFR 1910.21 29 CFR
1910.30
:
15% .
29 CFR 1910.21 1910.30 .
:- :
. . .-:
.- :
.- :
.
II :
: 12 (30 ) 1 (52 ). : 12 (30 ). : 30 (75 ) . : 30 18 (45 ) .
: 42 (105 ) 21 (53 ) 4 (10 ). : Fixed Industrial Stairs :
3 (). 200 . 1000 . 22 (55 ) 30 50 . 7 (215 ) . 12 (360 ) 22 30
(75 ).
Portable Ladders :
:
1- .
2- 100 .3- .4- .5- .6- .7- .8- .9- .10- .11- 75 ( )
12-
13- . .14- Safety Feet.15- .16- .17- .18-
19- Blind Corners20- 3 ( ).
22- 30 (9 ) 60 (18 ). : Extension Ladders : : 36 3
36 48 4 60 5
Fixed Ladders : 20 ( ) 42 (105 ) . 7 8 .
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