OSHA 30 Construction Stairways and Ladders Flashcards
cleats
LADDER STEPS
DOUBLE CLEATED LADDER
DOUBLE LADDER
JOB MADE LADDERS
LADDERS MADE ON JOB
WHAT STANDERDS MUST JOB MADE LADDERS ABIDE BY
ansi A.14.4-2009
FIXED LADDER
PERMANENT
THE STANDERD LADDER CONFIGURATION IS CALLED
SINGLE CLEAT
UNPROTECTED SIDES AND EDGES ARE WHERE THER IS NO STAIR RAIL SYSTEM IN PLACE AT A HEIGHT OF _____ INCHES OR HIGHER
36
WHAT TYPE OF LADDER COULD BE HAZARD IF NOT FILLED
PAN STAIRS
WHEN ARE STAIRS REQUIRED FOR
AT ELEVATIONS HIGHER THEN 19 INCHES
WHAT IS THE MINIMUM ILLUMINATION FOR LADDER
5 FOOT CANDLE
HOW MUCH WEIGHT MUST MIDRAILS BE ABLE TO WITHSTAND
200 LBS
WHAT ARE THE 4 LADDER TYPES
STRAIGHT
FIXED
STEP
EXTENSION
LADDERS SHOULD BE INSTALLED BETWEEN 30 AND __________ degrees
50
what are the 5 ladder ratings
Type IAA (Extra Heavy Duty) 375 pounds
Type IA (Extra Heavy Duty) 300 pounds
Type I (Heavy Duty) 250 pounds
Type II (Medium Duty) 225 pounds
Type III (Light Duty) 200 pounds
Common ladder materials do not include
plastic
what is the 4:1 rule for ladders
a ladder that is 16 feet high should have its base ( lowest rung) 4 feet away from the wall
what is the three point rule
always having three points of contact on the ladder
what should never do when ascending or descending the ladder
carry tools
were should you never solely stand on a ladder
the very top rung
when setting up a step ladder at least three legs must be level (T/F)
false
straight ladders are made to support what
4X the maximum load
what are the maximum lengths for straight ladders that are single, double and triple sections
30 feet
48 feet
60 feet
can a step ladder be used as a straight ladder
no
were can the standard for fixed ladders be found
in ANSI A14.3